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Service Manual INV-Pd VRF - Inventor Air Conditioners

1. MODULAR D C INVERTER MULTI VRF MAINTENANCE Xn y N 4 POWER D JN 2WH 1RD 0 L L UL 7x C CUN WHYE BUJOG Eg Qe CN2 x14 CN AC N AC L e Il ld BK BK CN12 8 m ONS YE T FUSE 50T 3 15A 250V BU BU communication AP 4 FL T C C2 wire CN15 PCB X1IX2 WH SUF communication 2 zal Tl wire CN16 CNI4B 7 CM CN5 6 BU Fi ya 1 2 2 4 1 X q A xi XL e ssa Trl d LCD RT2 sf IRTS 5 RT4 SAL RTI EKV mm gt ee 1 HH YEGN Out Mi In Environmen ES temp temp temp temp anual Panel e sensor sensor sensorsensor Notice 1 Please connect X1 with X2 in the high static pressure 63624135 2 Please connect X1 with X3 in the common static pressure INV R22P NaB K INV R25P NaB K INV R28P NaB K INV R32P NaB K INV R36P NaB K
2. GUB MET Yes Is compressor being protected v 4 way valve stop 4 way valve stop 4 way valve stop Outdoor fan cooling control mode Outdoor fan protection control Outdoor fan cooling control mode Compressor capacity control Compressor protection control Compressor initialized Outdoor electronic expansion valve stop Outdoor electronic expansion valve fully open fully open Heating running 4 Heating running Yes mc Is startup being initialized No Is defrost Yes running 3 No compressor being protected No v Y v 4 way valve open 4 way valve open 4 way valve reverse 4 way valve open Outdoor fan heating control Outdoor fan protection control Outdoor fan defrost control Outdoor fan heating control mode mode 1 mode Compressor capacity control Compressor protection control Compressor initial defrost Compressor initialized contro Electronic expansion valve of Electronic expansion valve of Electronic expansion valve Electronic expansion valve of outdoor unit capacity control outdoor unit capacity control outdoor unit fully open outdoor unit capacity control 56 MODULAR D C INVERTER MULTI CONTROL 1 3 Control Functions of the Unit 1 3 1 Control Functions of Outdoor Unit
3. MODULAR D C INVERTER MULTI VRF PRODUCT 1 2 3 Wall mounted type Capacity Model Cooling Heating Appearance Btu h Btu h INV R22G NaB K 8530 7507 INVL R22G NaB K INV R28G NaB K 10919 9554 INVL R28G NaB K INV R36G NaB K 13649 12284 INVL R36G NaB K e INV R45G NaB K 17061 15355 INVL R45G NaB K INV R50G NaB K 19790 17061 INVL R50G NaB K INV R56G NaB K 21496 19108 INVL R56G NaB K INV R22G NaC K 8530 Power 7507 Ref Supply INVL R22G NaC K INV R28G NaC K 10919 9554 INVL R28G NaC K INV R36G NaC K 13649 12284 L INVL R36G NaC K INV R45G NaC K 17061 15355 INVL R45G NaC K INV R50G Na K 19790 17061 INVL R50G Na K INV R56G Na K 21496 19108 4 say INVL R56G Na K D INV R71G Na K 27297 24226 INVL R71G Na K INV R80G Na K 30709 27297 MODULAR D C INVERTER MULTI VRF PRODUCT 1 2 4 Floor ceiling type Capacity Power Model Cooling Heating Ref Supply Appearance Btu h Btu h INV R28Zd Na K 10919 9554 INVL R28Zd Na K INV R36Zd Na K 13649 12284 INVL R36Zd Na K INV R50Zd Na K 19790 17061 INVL R50Zd Na K INV R71Zd Na K 27297 e 24226 R410A INVL R71Zd Na K 50Hz INV R90Zd Na K 34121 30709 INVL R90Zd Na K INV R112Zd Na K 42652 38216
4. Model INV L R22G NaC K INV L R28G NaC K INV L R36G NaC K kW 2 2 2 8 3 6 Cooling Capacity Btu 7507 9554 12284 kW 2 5 93 2 4 0 Heating Capacity Btu 8530 10919 13649 m3 h 360 360 500 Air Flow Rate CFM 212 212 294 Sound Pressure Level H L dB A 37 28 37 28 43 28 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 014 0 014 0 022 Fan Motor Running A 0 15 0 15 0 22 Current mm 9 52 9 52 12 7 Gas Pipe inch 03 8 03 8 01 2 bie mm 06 35 06 35 06 35 1pes Liquid Pipe inch 1 4 1 4 1 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness inus 20 15 20x13 Dimensions mm 770x190x250 770x190x250 830x189x285 WxDxH Fackage Dimensions mm 955x330x272 955x272x330 1006x395x295 WxDxH Weight Net Gross kg 8 14 3 8 14 3 11 15 8 Notes 1 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 41
5. XT INDOOR UNIT od jo Power 230 230V 50Hz N S 2WH B 1RD GNYE lo 20H ED DE 2 W Transformer ei 2 vol 1944 AC N 42 1 CNa me EYE ete sanadi Ei POT 17 0 KKRD CNI2 nulo L 1806 T 507 3 15A 250V _ 250V Communication wire 3 D gCN15 PCR Communication wire CN16 BK CN3 RD CN4 5 BU CN6 1 4 2 3 4 YY m em Ou Mid In Environment temp temp temp temp sensor sensor sensor sensor Notice M ar P 1 Please connect with XT according to the real line in the common static pressure ane 2 Please connect AP1 with XT according to the broken line in the high static pressure 197 MODULAR D C INVERTER MULTI MAINTENANCE INV R56P Na K INV R71P Na K INV R80P Na K INVL R56P Na K INVL R71P Na K INVL R80P Na K 7 5 1 9 L L e2WH 1RD EO g CN1 CN2 Transformer __ EE AC N AC L RD CNI2 xd 250V communication T CN8 wire CN15 PCB MO communication wire CN16 a BENS ROLNA YECNS 84 06 aie M T 2
6. 2 The design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation MODULAR D C INVERTER MULTI VRF PRODUCT Model INV L R45G NaC K INV L R50G Na K INV L R56G Na K kW 4 5 5 0 5 6 Cooling Capacity Btu 15355 17061 19108 kW 5 0 5 8 6 3 Heating Capacity Btu 17061 19790 21496 m3 h 500 700 750 Air Flow Rate CFM 294 412 441 Sound Pressure Level H L dB A 43 28 42 38 45 40 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 022 0 02 0 02 Fan Motor Running Current A 0 22 0 15 0 15 mm 012 7 012 7 015 9 Gas Pipe inch 01 2 1 2 05 8 6 35 06 35 9 52 1pes Liquid Pipe inch 1 4 1 4 3 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness ES 301 305 Unit Dimensions mm 830x189x285 907x195x290 907x195x290 WxDxH Package Dimensions mm 1006 395 295 1158 366 317 1158 366 317 WxDxH Weight Net Gross kg 11 15 8 12 16 8 12 16 8 Notes 42
7. Model INV L R90T Na K INV L R112T Na K kW 9 0 11 2 Cooling Capacity Btu 30700 38210 kW 10 0 12 5 Heating Capacity Btu 34120 42650 m3 h 1860 1860 Air Flow Rate CFM 1095 1095 Sound Pressure Level H L dB A 40 36 40 36 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz Output kW 0 06 0 06 Fan Motor Running Current A 0 59 0 59 mm 15 9 15 9 inch 05 8 05 8 9 52 9 52 peg Liquid Pipe inch 03 8 03 8 Connection Method Flare Connection Flare Connection Drain Pipes External Dia x Thickness mm 30 1 5 30 1 5 Unit Dimensions WxDXxH mm 840x840x320 840x840x320 Package Dimensions WXDxH mm 950x950x60 950x950x60 Weight Net Gross kg 38 44 5 38 44 5 Notes 2 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 38 MODULAR D C INVERTER MULTI VRF PRODUCT 4 2 3Wall mounted Type Model INV L R22G NaB K INV L R28G NaB K INV L
8. Model INV L R112P NaB K INV L R140P NaB K kW 11 2 14 0 Cooling Capacity Btu 38216 47770 kW 12 5 15 0 Heating Capacity Btu 42650 51180 m3 h 2000 2500 Air Flow Rate CFM 1177 1471 Sound Pressure Level H L dB A 44 40 45 41 External Static Pressure Pa 80 40 100 50 Power Supply 220 240V 50Hz 220 240V 50Hz Output kW 0 36 0 50 Fan Motor Running Current A 1 60 2 00 mm 015 9 15 9 Gas Pipe inch 05 8 05 8 2 2 9 52 9 52 ypes Liquid Pipe inch 03 8 03 8 Connection Method Flare Connection Flare Connection Drain Pipes External Dia x Thickness Unit Dimensions WxDxH mm 1425x756x300 1463756300 Package Dimensions WxDxH mm 1514x785x360 1555x810x345 Weight Net Gross kg 62 71 63 5 73 Notes 7 design of this unit comply with the national executing standard of GB T 18837 2002 Refer to the product nameplate for parameters and specification of the unit The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only 2 3 units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 35 MODULAR D C INVERTER MULTI VRF PRODUCT 4 2 2Cassete Type Model INV L R28T
9. Package Dimensions WxDxH 1514 248 724 Model INV L R71Zd Na K INV L R90Zd Na K kW 7 1 9 0 Cooling Capacity Btu 24226 30709 kW 8 0 10 0 Heating Capacity Btu 27297 34121 m3 h 1170 2100 Air Flow Rate CFM 689 1236 Sound Pressure Level H L dB A 48 51 External Static Pressure Pa 0 0 Power Supply 220 240V 50Hz 220 240V 50Hz Output kW 0 1 0 15 Fan Motor Running Current A 1 1 5 mm 015 9 15 9 inch 05 8 5 8 mm 9 52 9 52 Liquid Pipe inch 03 8 3 8 Connection Method Flare Connection Flare Connection Drain Pipes External Dia x Thickness mm 17 1 75 17 1 75 Unit Dimensions WxDxH mm 1300x 188x600 1590 238 695 1714x330x830 Weight Net Gross 34 38 44 53 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 45 MODULAR D C INVERTER MULTI VRF PRODU Model INV L R112Zd Na K INV L R125Zd Na K kW 112
10. ol coe Removal and Installation of Oil Separator Remarks Before removing Oil Separator make sure that there is no refrigerant inside the pipe system and that the power has been cut off Step Illustration Handling Instruction 1 Loosen the fixed nuts of oil separator and electric heating belts eDismantle the left and right front plate and put away e Use screwdriver to loosen the screws fixing the oil separator eLoosen the electric heating belt from the oil separator 2 Disassembly of oil separator e Loosen the four joints on oil separator sub assembly welding then pull the connection pipe Note During welding take care not to let the flame burn other elements 3 Move out the oil separator eMove out the oil separator from the chassis 4 Assembly new oil separator e Weld the four joints on oil separator sub assembly e Weld by charging nitrogen with the nitrogen pressure kept at 0 540 1kgf c m relative pressure Note During welding take care not to let the flame burn other elements 5 Fix the fixed nuts of oil separator and assembly electric heating belt
11. 4 PRODUCT DATA 4 Product data of outdoor Model INV Pdm224W NaB M INV Pdm280W NaB M Cooling capacity kW 22 4 28 0 Heating capacity kW 25 0 31 5 Sound Pressure Level dB A 58 58 R410A charge amount kg 12 13 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 5 52 7 52 power Heating kW 5 82 7 70 Rated Cooling A 9 87 13 44 current Heating A 10 40 13 76 IPLV 4 15 3 95 pase 930 770 1670 930 770 1670 WxDxH D C Inverter Scroll type compressor D C Inverter Scroll type compressor Compressor constant speed scroll compressor constant speed scroll compressor Water proof level 1 24 1 24 Climate type mm 22 2 22 2 E Inch 7 8 7 8 s mm 9 52 9 52 5 Liquid pipe S Inch 3 8 3 8 E Connecting mode Brazing Connection Brazing Connection Net weight kg 255 255 Recommended power 6 0 5 6 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d
12. INV R71G Na K INV R80G Na K INVL R71G Na K INVL R80G Na K J OUT MID IN ROOM Y TEM SENSOR TEM SENSOR TEM SENSOR TEM SENSOR RT4 RT3 RT2 RT 8 8 8 8 Communication Wire 10 L3 21 4 lt 4 15 A A R Communication Wire W9 CN12 CN13 CN18 CN19 FUT PTC lt XX CN16 4YEGN d TC E D E POWER 3 POBCAPL 2 2 2BN 2214 22 2522 EN iB CN30 PP iG a CN21 55 17 CN14 6666606 J C v 11WH Se X41 56 41 EE EKV STEP MOTOR NOTE The wire 9 10 must be removed in installation The EKV should be installed by user V The winding should be fixed tightly 6 56241 24 INV R28Zd Na K INV R36Zd Na K INV R50Zd Na K INV R71Zd Na K INV R90Zd Na K INV R112Zd Na K INV R125Zd Na K INVL R28Zd Na K INVL R36Zd Na K INVL R50Zd Na K INVL R71Zd Na K INVL R90Zd Na K INVL R112Zd Na K INVL R125Zd Na K Ye OUT MID N ROOM AP TEM SENSOR TEM SENSOR TEM SENSOR TEM SENSO
13. L L DUT NET ol Boord 27 ape otor Driving Board 13 07 26 Driving Boord N DUT LBQ LBB Filter me 1 12 Conpressor RTI RT8 Umbo TenpSensor PE m 2 INMID DUT 23 T4 RT3 PIPE TEMP SENSOR eg Environment Temp Sensor OTG RT7 Conpressor RTG RT lischerge Gas TempSensor EH3 COMP2 Electrical Sensor PICN CNL ki 19 EH il sep Se ve 18 COMPI 2 CN46 ny 1 n gt 17 7 57 E 2 16 PM L Exhl JcN 15 TE 2 E 57 5 QUT Erv re 14 YVS YV6 v 6 Ne A ie 5 13 EKV 4 57 j l 4 4 1 RTS Pl In u YV2 YV7 5 10 YVI 9 FU 8 oF 7 XTi 4 Terminal Board PH ado 2 5 CS4 CNAB 6 5 FAI ver Current Protector S ER IS APA 4 AP Fan Motor Control Panel LBB AP4 pla 3 M Fan Motor FAL E ap 2 COMP2 xu AP2 Ao n m En 1 Compressor NU Code Name
14. Note 1 blink edark obright 2 The error of DC fan motor board is displayed by the continuous blinking counts of single LED red the error of AC fan motor board is displayed by the state of LED red yellow and green 178 MODULAR D C INVERTER MULTI 1 3 Number of indoor units display MAINTENANCE Lamp display Number of indoor units LED6 LED5 LED4 LED3 LED2 LEDI 1 2 e 2 4 5 6 e e 62 63 Legend bright dark e blink MODULAR D C INVERTER MULTI MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTING The repair personnel shall collect the error information as more as possible for careful study and list those electric or system parts that might cause the error Then the repair personnel shall be able to identify the specific cause of error and find out the problem parts Keep an eye on the complete equipment Do not restrict to a part but taking care to check the state of complete equipment Study from the simple point analyze judge and identify the cause of trouble please start from the simple operation and finally proceed to such complicated operations as discharge of refrigerant disassembly of equipment replacement of parts and filling of refrigerant Be prudent to find out the cause T
15. 30 L Electric Reactor 29 Ap Patching Board 28 API lain Control Board 27 4 Fon Motor Driving Board 26 ZUPMe Driving Board 25 LBQ LBB Filter ICOMP2 COPMI COMP3 Compressor 24 RTe0 RTI7 RTl6 unbo TenpSensor gt IN MID DUT 23 RTIS RTIA RTI3 PIPE TEMP SENSOR 22 RTle Environment Temp Sensor 21 RTIS RTIL RTIB 2 Compressor Discharge Gas TenpSensor EH3 MP3 Electrical Heater l separator Electrical FHA pil separator Electrica EHI 2 COMP1 2 Electrical Heater High Pressure Switch PM Phase Reverse Protector C ransforner Liquid By Pass Volve7 YVS YV6 Refrigerant Valve Expansion Valve EKV YV8 _ comp2 Return Valve 4 Volve YV3 YV4 Gas BY PASS Valve Average Valve Ve YV7 Corp Return i Valve apillary Valve 7 9 Return Di Valve U Electrical Heater Fuse QF Circuit Breaker XTI 5 Terminal Board KM1 3 AC Contactor FAL2 Current Protector AP2 4 Fan Motor Control Panel ML MP Fan Motor COMPS Conversion Compressor Constant F CONMPL 2 a Mode
16. Dial up switch SW3 2 1 0 0 1 0 1 2 1 0 3 1 1 4 0 ON position Note to keep the module address in conformity 3 Quantity dial up MODULAR D C INVERTER yx The module quantity dial up connected by the units is 2 bit dial up switch and the mainboard position is SW2 Maximum 4 sets could be connected by the quantity dial up according to the module see the table description of quantity of units connecting modules for the dial up methods Dial up switch SW2 Outdoor module 2 1 quantity 0 0 1 set 0 1 2 sets 1 0 3 sets 1 1 4 sets 0 ON Position 4 Transfer board dial up yx The transfer address dial up position of the module is the S2 3 bit dial up switch on the mainboard and the Maximum 4 sets could be connected by the transfer board dial up Please see the description of module transfer address dial up it is required that the outdoor units address of the module should be in conformity Dial up switch S2 Transfer address 3 2 1 0 0 0 1 0 0 1 2 00 1 0 3 1 1 4 0 ON position Note to keep the module address in conformity 171 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI VRF MAINTENANCE 172 MODULAR D C INVERTER MULTI MAINTENANCE 1 TROUBLE TABLES 1 1 Trouble Display of Indoor Unit 1 1 1 Trouble display of wire remote controller Warning mar
17. m jrriojojori r ojo e 0 1 0 9 1 1 0 0 1 1 0 0 1 0 0 0 19 1 1 0 0 1 1 0 0 51 Pe ERES DECR RES IRE EE RE SERRE EORR LECCE E 1 60 61 62 63 28 29 30 1 0 0 1 1 0 1 0 1 1 1 1 1 31 o E ES EM EE _ EM ES o E o EE ES o EE 0 0 1 1 Bs o kos o E o es O EN BN NE 1 1 1 BAM NE 89 CONTROL MODULAR D C INVERTER MULTI an 2 slz aA ei Fr es SI el xe ays sti aA my mti eS sts ey t amp lt amp gt m m m _ m m m m m lt e un 1 nia 9 9 i i i i i SCS amp c ojojljcjcojcococjom o o ojojoj
18. Code None 196 MODULAR D C INVERTER MULTI Indoor unit INV R22P Na K INV R25P Na K INV R28P Na K INV R36P Na K INVL R22P Na K INVL R25P Na K INVL R28P Na K INVL R36P Na K MAINTENANCE XT weer INDOOR UNIT Power 220 240V 50Hz GNYE E Transformer CN2 WoL 19WH QCN AC N AC L CNB 16 eye LLZYE 16 RD CN12 lt Bu lt 0 5 50 3 15A 250V Communication Wire AP CN15 PCB WHRDIBN Communication Wire CN16 BK CN3 RD CN4 YE CN5 BU CN6 CNIT BU CN14 f d 1 4 wi mA THEE E e _ GNYE Fan Motor Ou Middle In Environment 2 LCD DE Sensor Sensor Sensor Sensor H H Notice M E 1 Please connect AP1 FH with XT2 1 in the common static pressure anuo ane 2 Please connect AP1 FH with 3 1 in the high static pressure 63624015 INV R45P Na K INV R50P Na K INVL R45P Na K INVL R50P Na K
19. f o L POWER L L PE PED eWH Xe CAC N CNIO FUSESOT 3154 250V COMMUNICATION CORD ic COMMUNICATION CORD A o L 8 2 C R 8 n R i A SLOH Beara H Henen CNI4 CNI CN9 gl 3 4 1 4 eta R34 amp R4 Ps E Environment Sensor 63624640 INV R28T Na K INV R36T Na K INV R45T Na K INV R50T Na K INV R56T Na K INV R71T Na K 199 MODULAR D C INVERTER MULTI MAINTENANCE INV R80T Na K INV R90T Na K INV R112T Na K INV R125T Na K INVL R28T Na K INVL R36T Na K INVL R45T Na K INVL R50T Na K INVL R56T Na K INVL R71T Na K INVL R80T Na K INVL R90T Na K INVL R112T Na K INVL R125T Na K 9 N L 2BU 7 Swing Motor Limit Switch an 5 Water Level Switch POWER B SET T cw SA1 5 K A
20. Model INV L R28Zd Na K INV L R36Zd Na K INV L R50Zd Na K kW 2 8 3 6 5 0 Cooling Capacity Btu 9554 12284 17061 kW 3 2 4 0 5 8 Heating Capacity Btu 10919 13649 19790 m3 h 550 600 700 Air Flow Rate CFM 324 353 412 Sound Pressure Level H L dB A 43 44 50 External Static Pressure Pa 0 0 0 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 01 0 01 0 04 Fan Motor Running Current A 0 1 0 1 0 4 mm 09 52 012 7 012 7 Gas Pipe inch 03 8 01 2 01 2 06 35 06 35 06 35 Liquid Pipe inch 01 4 01 4 01 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness mm 17 1 75 17 1 75 17 1 75 Unir Pimen rong mm 840x238x695 840x238x695 840x238x695 WxDxH Dimensions mm 1035 295 805 1035 295 805 1035 295 805 WxDxH Weight Net Gross kg 28 37 28 37 28 37 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 44 MODULAR D C INVERTER MULTI PRODUCT
21. 103 T I Precautions for Safety ute ea erede e e edd eres 103 2 Key Points of Installation ied ettet vede e ripe M ete beds caus ta 104 2 FLOW CHART OF INSTALLATION 1 106 3 INSTALLATION OF OUTDOOR UNIT sese en enne nennen nnne 107 S T Hoisting oF nlL trei rer n reme en e Henr e e gra Lever ei 107 3 2 Selection of Installation reri tt ettet tee e Ee e eae e Du ore egeta ra MOREE ents 108 3 3 Dimensions Data telis tetro 109 34 Clearance Datars sias teo tale aetati ute 110 3 5 Take Monsoons and Snow into Consideration 2 112 4 INSTALLATION OF INDOOR UNIT csset 113 4 1 Duct Type He ete ettet e e eet 113 4 2 Cassette Ty pees teresa errore ene tr ted rro terti epi c n Er ce v e Ere ie 117 4 3 Floor Ceiling Type vices 125 4 4 Wall mounted eere nter etae hn e eet Ede eee ds 130 5 INSTALLATION REQUIREMENTS REFRIGERANT PIPING 133 6 INSTALLATION OF REFRIGERANT PIPING eere nemen 137 7 INSTALLATION OF ELECTRONIC EXPANSION VALVE 155 8 INSTALLATION OF CONDENSATE 20 02211 157 8 1 Material Quality Requirements for
22. Check if the elements and wires are connected correctly e After that cover both sides of the front plate and fix screws 4 2 Removal and Assembly of Indoor Unit Single side air out patio unit Removal and Assembly of Fan Motor Step Illustration Handling Instruction Move out the front panel assy Switch of panel eLightly press the switch of front panel thus to loosen one side of the panel and three snaps on the opposite would drop off and then the front panel could be removed 2 Loosen fixed screws between the assy of the front panel and the body 3Move out the assy of the front pane 4 Loosen the screws fixing the water tray eUse screwdriver to loosen the fixed screws between the assy of the front panel and the body eMove out the assy of the front pane e Use screwdriver to loosen the screws fixing the water tray 5 Move out the water tray and filter support eMove out the water tray and filter support Loosen the fixed screws on the motor top assy eUse screwdriver to the fixed screws on the motor top assy 7 Move out the motor top assy eMove out the motor top assy 8 Loosen the fixed screws between the motor and motor shaft Rotate the cross flow fans thus to make the screws upwards and then use screwdriv
23. Fix the install cardboard Note e Please do tighten the nuts and bolts to prevent air conditioner break off e Connect the refrigerant pipe When connect the pipe to the unit or backout it from the unit please do use both spanner and torque wrench as shown in fig 3 yx When connect smear both inside and outside of the flare nut with freeze motor oil screw it by hand and then tighten it with spanner Refer to form 1 to check if the wrench had been tightened too tight would mangle the nut and lead leakage Examine the connection pipe to see if it had gas leakage then take the treatment of heat insulation as shown in the fig 3 Only use median sponge to entwine the wiring interface of the gas pipe and heat preservation sheath of the gas collection tube 121 MODULAR D C INVERTER MULTI INSTALLATION Smear freeze motoroil here Median sponge attachment entwine the wiring interface with seal mat Thread fasten 4 wee _ Torque wrench ee Heat preservation sheath of liquid inlet _ tube attachment for liquid tube Heat preservation sheath of gas collection tube attachment for gas tube Spanner Gas collection tube Liquid inlet tube Wiring interface Fig 3 Flare nut Form 1 The tightening torque needed for tightening nut Diameter Inch Surface thickness mm Tightening torque N m 0
24. protection Compressor air out 5 E4 protection Overcurrent gt 3 5 E5 R Protector No refrigerant d _ protection Error with sub module and main S control 3 communication display in sub module Communicationerror with frequency 5 2 conversion drive The temperature of radiating fin is too 5 high Radiating fin sensor E A 4 ES o abnormal Clogged 9 5 Over current protection of frequency o o 5 7 conversion compressor DC input voltage is 5 5 5 5 E5 too high DC input voltage is 5 4 ES too low IPM ABNORMAL 5 Motor out of 5 ES x 5 synchronization Overspeed e o E5 o Open phase tripping e 5 2 MODULAR D C INVERTER MULTI MAINTENANCE Temperature drift protection ES Error with temperature sensor on drive board ES Startup failure ES AC current protection input side ES PFC ABNORMAL ES Drive module reset ES Fixed frequency compressor abnormal Fan motor module protection N Voltage proection of fan motor drive o o OO ooo Curren
25. 2 2 222 22220 0 00 0110 1100 69 3 Operation 2 die edi rem EE HIPH EHE REY IEEE HO HIE DEO 69 3 2 DIMENSION x e tecti p vetet iot eene diste rite edens retenus 70 3 3 Installation zza ei ox E a 70 4 MINI CENTRALIZED CONTROLLER 71 4 SF UN Ct OM ce ettet ette eae od es ede ea ES EE REN DI 71 4 2 Operation VIEW ta etre an e a ne etie a eb pot 72 4 3 Display VISW iere esia etr e SP 73 4 4 Connection Between Controller and 0 16 nennen eene 75 5 CENTRALIZED CONTROLLER 2 triti a eere iva Evene o 76 5 1 E netionzz iia tbt eg e ater 76 5 2 Operation VIEW dee qe de anh ail tae anata 76 5 3 015 I E 78 5 4 Connection Between Controller and 4 79 5 9 M 80 6 MONITORING SOFTWARE 94 OUCH OM ss TT UST TOULOUSE 94 6 2 Connection Between the Computer and the 94 6 3 Hab dWATe iic 96 INSTALLATION ree ere eere eem estote EU EH Ede REIR aun 103 1 PRECAUTIONS FOR INSTALLATION
26. 700 12 3 Installation Criteria dimension of the cabinet should be designed according to quantity arrangement and put position of the communication modules before make of it Independent power supply for each communication module is needed so enough 220v AC sockets should be installed in the cabinet The communication cable and heavy current wire should be separated for the distance above 15cm The cabinet should be put indoors and locked to avoid insolation and rainwater or contact of non manager 100 MODULAR D C INVERTER MULTI CONTROL 1 5 3 way Phone Connector user provided parts Note Lines without 3 way telephone connector can be connected by welding and protected with insulating tape to avoid oxidization and short circuit Crystal head port Crystal head port Crystal head port 1 Function Instruction Common 3 way phone connector is applied to connect 3 pieces of communication cable Dimension Description L mm W mm mm 3 way connector 33 27 21 2 Installation Criteria X Avoid knock insolation or rainwater Ensure tightness of each bayonet without load Perform conduction test after installation Replace the ones of poor contact The welding method is better than 3 way connector e After the connection of communication cables with
27. Remove the obstructions Check if the indoor and outdoor fans run normally Measure the fan motor and signal input Check if the indoor swing louver is fully Measure the swing motor and open signal input Check if the capacity output o outdoor unit is equal to the capacity demand of indoor units Refer to the dial up of indoor and outdoor unit Check if the indoor electronic expansion valve can work normally Engage the valve body with the coil Check if the indoor outdoor filters or radiating fins are dirty or blocked Refer to the Repair and Maintenance Focus on checking the inlet and outlet of the connection between indoor units and maing pipe Also focus on checking the electronic expansion valve of indoor unit and outdoor The system pipe is blocked ANSIO unit Replace the electronic expansion valve drying filter and other parts 181 MODULAR D C INVERTER MULTI MAINTENANCE 2 Low pressure Protection Error display on hand controller E3 Outdoor units mainboard indicator led4 dark led3 dark led2 blink led1 dark low voltage led4 blink led3 blink led2 bright led1 dark lack of refrigerant Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark
28. UEZ Weld torch r1 Transverse peior i Weld torch gt Upward Downward O Cooling avoid getting a burn in following processes common wet cloth humidity content is low meaning that there shall not be water drips when welded part is cooled and because shrinkage factor of copper is different from that of welding material too quick cooling that would cause cracking of braze welding shall be avoided can be used for cooling welded parts The following items shall be checked after welding is completed e Is there any pore or hole on welded part e s there evident sagging of brazing filler metal 6 8 Cleaning of Refrigerant Piping After a section of pipeline is welded cleaning of piping is necessary Nitrogen pressure is utilized to remove foreign matters such as dust water and beryllium oxide caused by 148 MODULAR D C INVERTER MULTI INSTALLATION welding in the piping 1 Main purposes of cleaning are as follows Toeliminate oxide caused by insufficiency of nitrogen filled protection during pipe welding To remove foreign substances and water that may enter the piping due to improper storage and transport check whether big leakage is existent at connections of the piping between indoor unit and outdoor unit 2 Cleaning steps a Mount a pressure gauge on nitrogen cylinder Nitrogen bottle Indoor unit A outdoor unit B Liquid pipe Outdoor side A
29. v Purge v Airtight test Vacuuming and drying 6 2 Three Principles of Refrigerant Piping Installation Keep to the three principles of refrigerant piping Key Factors Measures to Avoid Failure Invasion of outside water Vacuuming and Example Rainwater engineering fitting pipe drying Dry water Invasion of indoor condensate Formation of oxides inside the Expel with nitrogen 0 05 0 3Mpa pipe during welding Clean Invasion of dust and foreign x articles from outside iting pipe Use suitable materials copper tube soldering bar gt Incomplete welding Observe the basic E inti ake Neiama Airtight 22 from 2 Observe the basic operations edge for flaring of fitting pipe Observe the basic interfacing procedures 137 MODULAR D C INVERTER MULTI INSTALLATION 6 3 Installation of Metal Embedded Pipe Work Order lagram Embedded Parts Plot the line on ground if possible and use laser to project it onto the roof This is quick and correct Advance Installation of Metal Embedded Parts Please select according to local codes Subsequent Installation of Expansion Bolts In case that the metal embedded parts cannot be used due to design change the expansion bolts may be used Subsequent Installation of Expansion Bolts The foot pedal shall be
30. 13 MODULAR D C INVERTER MULTI VRF PRODUCT Model Combined unit INV Pdm560W2 NaB M INV Pdm615W2 NaB M Model Single unit INV Pdm280W NaB M INV Pdm280W NaB M INV Pdm280W NaB M INV Pdm335W NaB M Cooling capacity kW 56 0 61 5 Heating capacity kW 63 0 69 0 Sound Pressure Level dB A 62 62 eee kg 13 13 13 15 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 7 52 7 52 9 23 power Heating kW 7 70 7 70 7 70 9 38 Rated Cooling A 13 44 13 44 13 44 16 50 current Heating A 13 76 13 76 13 76 16 77 Dimension mm 930x770 1670 930x770x 1670 WxDxH 930x770 1670 1340 770 1670 D C Inverter Scroll t CD C Inverter Scroll type E constant speed scroll compressor Compressor compressor constant speed scroll D C Inverter Scroll type compressor compressor 2 constant speed scroll compressorx2 Water proof level P24 P24 Climate type TI TI mm 028 6 028 6 2 Inch 9 8 9 8 a mm 15 9 15 9 S Liquid pipe z Inch 5 8 5 8 Oil equalizing mm 912 7 012 7 pipe Inch 1 2 1 2 Connecting mode Brazing Connectio Brazing Connection Net weight kg 2554255 2554350 mo power 6 0 5 6 0 5 6 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the ac
31. 14 f m H M in A 9 Fig 5 2 76 MODULAR D C INVERTER MULTI CONTROL This central control has Sequence On function that enable conduction to sequence 1 ALL ON control to communication modular in interval of 2 seconds communication modular controls Sequence On of indoor units to lower impact to power network This central control has Sequence Off function that enable conduction of sequence 2 ALL OFF control to communication modular in interval of 2 seconds communication module controls Sequence Off of indoor units to lower impact to power network 3 ON OFF 2 For controlling units on and off 4 TIMER Set and check the time of Timer On and Timer Off of indoor unit and date mode 5 SWING Set if indoor unit swings 6 SPEED Set fan speeds of High Medium Low or Auto for indoor unit 7 MODE Set modes of Cool Dry Fan or Heat for indoor unit It works as direction and adjusting under every operation function Such as When LEFT RIGHT checking it can move to the required indoor unit or communication modular by using UP DOWN this button when adjusting time press LEFT RIGHT to shift Y M D etc and press UP DOWN to adjust value Under control mode press this button after setting state of indoor unit control to 9 CONTROL indoor unit would be conducted by corresponding control mode Press button under checking state to begin information check and set of grouped 10
32. Model INV L RA5G NaB K INV L R50G NaB K INV L R56G NaB K kW 4 5 5 0 5 6 Cooling Capacity Btu 15355 17061 19108 kW 5 0 5 8 6 3 Heating Capacity Btu 17061 19790 21496 m3 h 500 700 750 Air Flow Rate CFM 294 412 441 Sound Pressure Level H L dB A 43 28 45 40 45 40 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 022 0 02 0 02 Fan Motor Running A 0 22 0 25 0 26 Current mm 12 7 12 7 15 9 Gas Pipe inch 1 2 01 2 05 8 ae mm 6 35 6 35 9 52 Liquid Pipe inch 01 4 01 4 03 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x mm 20 1 5 30 1 5 30 1 5 Thickness Unit Dimensions WxDxH mm 830x189x285 1020x228x310 1020x228x310 Package Dimensions WxDxH mm 1006x385 x265 1178 325 390 1178 325 390 Weight Net Gross kg 11 15 8 15 5 20 5 15 5 20 5 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 40 MODULAR D C INVERTER MULTI VRF PRODUCT
33. Select the remote control mode The centralized controller and communication module shall be installed free from the source of interference Power cord Noe The power cable must meet the specifications The indoor units under the same system must be arranged under unified power supply Installation Drainage Pipe Noe BD The PVC pipes must meet the specifications A specific gradient must be provided along the water flow direction Carry out water detection after installation Carry out thermal insulation to the drainage pipe only after the water detection is accepted Thermal insulation The thermal insulation tube must meet the specifications Seal between the thermal insulation pipes to avoid air entry Installation of Air Duct when with high static pressure duct type unit Ne Design the length of air duct according to static pressure The air inlet shall be optimally designed to avoid too small size Installation of connection pipes Welding N The copper tube must meet the specifications Ensure it is dry and clean inside the tube Make sure to charge nitrogen as required for protection when welding the tubes Please keep to the welding process and ensure the system free of leakage Add a dual way filter on liquid pipe side For multiple systems please mark them properly Carry out leakage detection under pressure after welding Purge and make detectio
34. 122 cU ON OFF Fig 4 3 73 MODULAR D C INVERTER MULTI CONTROL No Display name Instruction to display Inquiry state INQUIRY is displayed 1 Control mode Single control state SINGLE is displayed Centralized control state CENTER is displayed 2 Running mode Each indoor unit running mode is displayed 3 Error ERROR is displayed during any malfunction to indoor or outdoor unit in a group 4 is displayed when there is no malfunction to selected indoor unit and the ambient temp is below zero 5 Fan speed display Hi mid low or auto speed of indoor fan is displayed 6 Swing Swing running of indoor unit is displayed 7 Timer TIMER ON OFF is displayed when setting timer or inquiring timer state Under inquiry state No of online indoor units are displayed and No of selected indoor 8 No of indoor unit unit will blink i Under single control state only No of selected indoor unit is displayed Under centralized state No of all online indoor units are displayed 9 Room temp ROOMTEMP is displayed for no malfunction but isn t for malfunction Centralized controller A Under inquiry state SHIELD will be displayed when selected indoor unit is shielded 10 Shield B Under control state SHIELD will be displayed during setting or giving the shield order Region
35. 55Hz 55Hz 2min 2min 40Hz 405 ON 105 l If capacity demand asks inverter fixed frequency 1 fixed Inverter 80Hz frequency 2 to start in the period if target frequency of inverter compressor is lower than frequency of stop points up conversion is unnecessary Target frequency 80Hz 80Hz 1min dmin 55Hz sk 2min 40 305 Fixed frequency 1 Fixed frequency 2 When capacity demand is reducing If a request to ask fixed frequency compressor to stop is present fixed frequency compressor will directly stop and inverter compressor will be regulated to calculated frequency 4 Control of outdoor fan Cooling mode Stop module fan stops at grade e Initialization 3 minutes after startup initialization fan frequency shall be set according to ambient temperature applicable to startup 58 MODULAR D C INVERTER MULTI CONTROL Output capacity P lt 25 25 lt lt 40 40 lt lt 60 60 lt lt 80 gt 80 lt 0 OHz 0Hz 5Hz 5Hz 5Hz 0 lt lt 12 0Hz 5Hz 8Hz 10Hz 10Hz 12 lt 7 lt 20 10Hz 15Hz 20Hz 23Hz 25Hz Fan M frequency 20 lt T lt 35 28Hz 33Hz 38Hz 44Hz SM Value 35 lt T lt 40 36Hz 38Hz 41Hz 44Hz Max Value T gt 40 Max Value Max Value Max Value Max Value in Remarks the maximum valve shall be 50Hz for dua
36. 840 Indoor unit 780 Gaps between hoisting screw rods 4 Hoisting screw X4 680 Gaps between hoisting screw rods 840 indoor unit 890 Ceiling opening 950 Decorated surface boards t A en Package Dimension Width mm Depth mm Height mm INV L R28T Na K 950 950 210 INV L R36T Na K 950 950 210 INV L R45T Na K 950 950 210 INV L R50T Na K 950 950 210 INV L R56T Na K 950 950 310 INV L R63T Na K 950 950 310 INV L R71T Na K 950 950 310 INV L R80T Na K 950 950 310 INV L R90T Na K 950 950 340 INV L RI00T Na K 950 950 340 INV L R112T Na K 950 950 340 INV L R125T Na K 950 950 340 INV L R140T Na K 950 950 340 119 MODULAR D C INVERTER MULTI INSTALLATION 4 2 3 Clearance data ey Wall surface 1 INV tL INV L R45T Na K INV L R50T Na K INV L R56T Na K INV L R63T Na K INV L R71T Na K INV L RSOT Na K INV L R90T Na K INV L R100T Na K INV L R112T Na K INV L R125T Na K INV L R140T Na K FA 4 2 4 Installation demonstration The primary step for install the indoor unit unit mm When attach the hoisting stand on hoisting screw do use nut and gasket individually at the upper and lower of the hoisting stand to fix it The use
37. GROUP indoor unit grouped information is for select control 11 TIME Set system time 12 SYSTEM TEST Begin setting of central control run mode it is not recommended to be used by users Shift display domain and indoor wired air condition control DOMAIN corresponding 13 INDOOR DOMAIN to display on line communication modular INDOOR corresponding to display on line indoor control Press this button during process of setting function to exit the already made function 14 CANCEL setting operation Such as if central control mode were selected press CANCEL at this time would back to control mode selecting state Begin control setting mode and Central Control Select Control and Single Control can be selected CONTROL MODE Central Control Control all indoor units under domain by present set state 15 Single Control Control present indoor unit by present set state Select Control Control selected indoor unit by present set state it also called grouped control 16 SELECT Select required control or setting object repress the button to the object is to cancel 17 CONFIRM Confirm the operated operation is effective TI MODULAR D C INVERTER MULTI 5 3 Display View Sketch for LCD part 16 2 CONTROL INDOOR CTRL MOE ds sale 88 88 ot a2 os 04 05 06 07 08 09 10 11 2 13 4 15 v6 eae 33 34 35 36 37 3829 40 41 42 43 4445 48 47 48 00 49 50
38. WxDxH 930x770x1670 D C Inverter Scroll type D C Inverter Scroll type Compressor compressor constant speed scroll compressor constant speed scroll compressorx2 compressor x2 Water proof level 1 24 1 24 Climate type mm 028 6 028 6 Gas pipe Inch 9 8 9 8 S mm 012 7 15 9 S T ie Liquid pipe E Inch 1 2 5 8 B mm 12 7 Oil equalizing pipe Inch 1 2 Connecting mode Brazing Connectio Brazing Connection Net weight kg 370 2554255 Recommended power cord mm xpc 10 0x5 6 0 5 6 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C
39. 156 MODULAR D C INVERTER MULTI INSTALLATION 8 INSTALLATION OF CONDENSATE PIPE 8 1 Material Quality Requirements for Condensate Pipe Generally the condensate pipe shall be water supply U PVC pipe adhered by using special glue The other materials available include PP R pipe PP C pipe and hot dipped galvanized steel pipe It is not allowed to use aluminum plastic composite pipe 8 2 Key Points for Condensate Pipe Installation 1 Work Order Sheathing of Installation of Connection of Watertest test Thermal insulation of indoor unit pip drainage pipe Watertest drainage pipe condensate pipe 2 Determine the direction and elevation of condensate pipe before installation To ensure the gradient smooth and straight avoid intersecting with other pipelines The height of the clamp fixing the pipe hanger frame shall be adjustable and fixed from the outer of thermal insulation 3 Distance between hanger frames Outer diameter of water pipe mm lt 25 3220225 p232 Spacing between horizontal 800 1000 1500 pipes mm Spacing between standpipes 1500 2000 mm Each standpipe shall have two hanger frames at least 4 The gradient of condensate pipe shall be over 1 and the gradient of main pipe shall not be less than 0 3 while there shall be no overhanging slope CLEM7 1M Over 1 100 5 When connecting the 3 way section of condensate pipe the 2 way straight sect
40. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 MAN UNIT SYS ADDRES SET INTIALIZE Mon Tue Wed gy Tue SB Bus 15 14 19 221 Fig 5 3 2 1 Pagination displays Under select control mode group no that is present controlling is displayed present domain Under addresses setting state present Soft Add is displayed Displays the soft address of communication module that the present checking or 2 Present unit no controlling indoor unit is belonged as well as the address of indoor unit Format Soft add Indoor unit add 3 Error Displays when there is error at any indoor or outdoor unit 4 Operation mode Displays every operation state mode of indoor unit 5 Speed display Displays High Medium Low and Auto speed of indoor unit 6 Check Under group control mode it is displayed when checking grouping information Under address setting mode it is displayed when checking hard address 7 Operation monitoring and When central control works in normal operation monitoring displays when control controlling monitoring signal is transmitted operation monitoring and controlling is displayed 8 Error code Displays when abnormal occur on operation state of present indoor unit 9 System time Displays present time format is Y M D H M and week 10 Timer setting Timer On Off on when Timer On Off is set to present indoor unit 11 Pre
41. 55 E A f drain raising pipe should form right y 2 Sponge gray Drain hose angle with the unit and distance to unit should Below 4mm not beyond 300mm PPP APPTDLLID Ls Do Hoisting stand eae yan below280mm rain hose attachment R A P L N a d Me Drain raising Nu hose I 220mm 3 H NN Ceiling Clamp attachment Instruction The slant gradient of the attached drain hose should be within 75mm so that the drain hole e dus rain hose attachmen doesn t has to endure the unnecessary outside force amp Please install the drain hose according to the t E following process if several drain hoses join E E together 100 n g 5 _ E T tie in join drain hose ove Hc a 5 specs of the selected join drain hose should fits the running capacity of the unit 2 Check the smoothness of drain after installation Check the drain state by immitting 600cc water slowly from the outlet vent or test hole Check the drain in the state of refrigerating after installation of the electric circuit 123 MODULAR D C INVERTER MULTI INSTALLATION Way of immiting Drain hose cn Test hole cover Drain vent for repair use plastic a stopper is included drain the water in waterspout by this outlet vent Test hole we A
42. INVL R112Zd Na K INV R125Zd Na K 46064 42652 INVL R125Zd Na K Note 1Ton 12000Btu h 3 517kW Notes a Design of this unit accords with the Standard GB T 18837 2002 b Cooling only unit INVL type has no items on heating c Noise was tested in semi silenced room so the actual noise value will be a little higher for change of ambient d Nominal capacities are based on the following conditions Cooling Heating Indoor 27 C 80 6 F 19 C 66 2 F Indoor 20 C 68 F Outdoor 35 C 95 F Outdoor 7 C 44 6 F 6 C 42 8 F MODULAR D C INVERTER MULTI PRODUCT 2 NOMENCLATURE 2 1 Nomenclature of Outdoor Unit NO Description Options 1 INV INVENTOR Multi Variable 2 Code for weather Default T1 T2 T2 weather T3 T3 weather L Cooling Only Default Heat pump 4 Units Series Pdm MODULAR DC inverter VRF 224 represents 22 4kW Btu h kWx3412 Outdoor unit 3 Modular Digital Nominal cooling capacity Refrigerant Na R410A Sequences B The second generation Power complement M 380V 3N 50 Hz 2 2 Nomenclature of Indoor Unit INV L R 36 P Na B K 1 2 3 4 5 6 7 9 NO Description Options 1 INV INVENTOR Multi Variable 2 Code for weather Default T1 T2 T2 weather T3 T3 weather L Cooling Only Code for model Default Heat pump 4 Code for function R R R series 36 re
43. R36G NaB K kW 2 2 2 8 3 6 Cooling Capacity Btu 7507 9554 12284 kW 2 5 3 2 4 0 Heating Capacity Btu 8530 10919 13649 m3 h 360 360 500 Air Flow Rate CFM 212 212 294 Sound Pressure Level dB A 37 28 37 28 43 28 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 014 0 014 0 022 Fan Motor Running A 0 15 0 15 0 22 Current mm 9 52 9 52 12 7 Gas Pipe inch 03 8 03 8 01 2 06 35 06 35 06 35 1 inch 01 4 01 4 01 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x mm 20x 1 5 20x 1 5 20x 1 5 Thickness Unit Dimensions mm 830x189x285 830x189x285 830x189x285 WxDxH Package Dimensions ni 995x394x268 995x394x268 995x394x268 WxDxH Weight Net Gross kg 8 14 3 8 143 11 15 8 Notes 2 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 39 MODULAR D C INVERTER MULTI VRF PRODUCT
44. aea sion fp a s seme eme 3 zc spei n mec me 3 see me 16 Remo Cones v5i2 2 1 1 Ce frone o 1 20 m o le fe fe fe i te Stepping Motor 15212110 Motor Press Plate 26112014 1 150121081 22 Electric Box Cover 22242030 1 N 4 bit Terminal Board Electric Box Cover Electric Box Main Z6H251B Transformer Fixed Clamp Pipe Clamp Connecting Wire communicate N NJN N Abit Terminal Board BlectricBox Cover BlecricBo MainPCBZ6H251B 2 transformer Fixed Connecting Wire communicat 6 INV L R36G NaC K INV L R45G NaC K Exploded diagram and list of components 1 cd geese e 4 A 18 INV L R36G NaC K INV L R45G NaC K Coding Qty Wall Mounting Frame 01252384 4 Name Rear Case Sub As
45. assembly room1 2 and office 7 8 and monitor room B Confirmation of quantity of systems Name Qty Installation Location Notes The quantity required for the pinboards is the same as communication modules If no pinboard only one module is needed So there should be 3 modules in total Communication Centralized control cabinet modules Centralized control Monitor room Installed indoors according to user s conditions cabinet Centralized 1 Monitor room Installed indoors controller Step 2 Wiring and Installation A Centralized controller as extension function of INV unit can be installed and debugged after communication connection between outdoor unit and indoor unit and normal operation of the unit B Make of centralized control cabinet If a lot of communication modules are used centralized control cabinet is recommended Heavy current wires and communication lines should be wired separately The distance between them should keep above 15cm The following figure is an example of centralized control cabinet but its design should be according to quantity of communication modules 82 MODULAR D C INVERTER MULTI CONTROL C Connection of communication modules COM 1 of communication module can connect with indoor and outdoor unit The two COMO can connect with other communication module or centralized controller As shown in the following D Connection between communication module and indo
46. 01222702 1 6 Rear Side Plate 01302719 1 01302719 1 7 Bottom Foam 52012716 1 52012716 1 8 Motor Gasket 76712711 3 76712711 3 9 Bolt 70212701 3 70212701 3 10 Motor Fixer 01702701 1 01702701 1 11 Fan Motor 15704901 1 15704901 1 12 Centrifugal Fan 10312721 1 10312721 1 13 Evaporator Connection 01072004 1 01072004 1 14 Cable cross Loop 76513101 2 76513101 2 15 shunt 07228807 1 07228807 1 16 Water Tray 12412701 1 12412701 1 17 Screw 70140032 4 70140032 4 18 Electric Box Base Plate 01412721 1 01412721 1 19 Flow Guide Loop 10372701 1 10372701 1 20 Electric Box 20102701 1 20102701 1 21 Wire Clamp 71010102 4 71010102 4 22 Terminal Board T360B 42011222 1 42011222 1 23 Transformer 43110233 1 43110233 1 24 Electric Box Cover I 20102702 1 20102702 1 22 Electric Box Cover II 20102703 1 20102703 1 26 Main Board 30226316 1 30226316 1 27 Capacitor 33010010 1 33010010 1 28 Rubber plug 76712701 1 76712701 1 29 Evaporator 01038778 1 01038778 1 30 Evaporator Support 01072003 2 01072003 2 31 Nut with Washer M6 70310012 1 70310012 1 32 Bolt subassembly 70210051 1 70210051 1 33 Pipe Pump PJV 1415 43130324 1 43130324 1 34 Pump Gasket 76712702 3 76712702 3 35 Pump Support 01332001 1 01332001 1 36 Water Level Switch 45010201 1 45010201 1 37 Drainage Pipe Pump 05232721 1 05232721 1 38 Right Side Plate 01302710 1 01302710 1 39 Cable cross Loop 76512702 1 76512702 1 40 Pump Cover 01252710 1 01252710 1 41 Bolt 70212701 3 70212701 3 42 Electronic Expansive Valve 07134112
47. 1 15 Liquid receiver 07228812 1 16 U Type Connection Pipe 05020152 1 17 Filter sub assy 07414126 1 18 4 way valve sub assy 04144164 1 19 Liquid branch circuit valve sub assy 3 07334326 1 20 Liquid branch circuit valve sub assy 2 07334325 1 21 Liquid branch circuit valve sub assy 1 07334324 1 22 Suction pipe sub assy 04674168 1 23 Liquid gas separator 07224477 1 24 Right side panel 01314138P 1 25 Panel Front 1 01544116P 1 26 Sustain lengthways girder 01874134P 1 27 Electrical box assy Left INV Pdm450W NaB N1 01394790 1 28 Cover of electrical box 2 01424187P 1 29 Sustain transverse girder sub assy 01324228P 1 30 Middle exist pole 01854107P 1 31 Electrical box assy Right INV Pdm450W NaB N1 01394789 1 32 Cover of electrical box 1 01424186P 1 33 Connection Pipes Electrical expansion vavle 05024954 1 34 Electrical expansion vavle sub assy 07334244 1 35 Support 01804179P 1 36 Cut off valve sub assy 1 07334182 1 37 Cut off valve sub assy 3 07334183 1 38 Connection Pipes 05024901 1 39 Compressor and it s fittings ESOSDH 49D2Y 99071264 1 40 Cut off valve sub assy 07334328 41 Support sub assy 01324212P 42 Compressor and it s fittings ESOSDH 49D2Y 99071264 43 Capillary sub assy Oil equalizing 04104153 44 Oil separator 07424129 45 Capillary sub assy Oil return 04104152 46 Compressor and it s fittings E405 DHD 38D2Y 00204116 47 Lower panel sub assy 01194132P 48 Discharge pipe sub assy 04634222 49
48. 1 Capacity distribution of compressor Principle after the total capacity is distributed to the single unit of various modules inverter compressor and fixed frequency compressor shall be assigned by means of overflow method i e if inverter compressor fails to meet the capacity fixed frequency compressor 1 will be started and if still fails fixed frequency compressor 2 will be started After the p_out of various modules is calculated the following table shall be based upon Operation Operation control condition Fixed Fixed Running frequency of p_out frequency frequency inverter compressor compressor 1 compressor 2 p_out 1 6 lt 100 OFF OFF p_out 1 6 0 9 100 lt p 1 6 lt 170 _ 1 6 70 0 9 170 lt p_out 1 6 ON ON p_out 1 6 140 0 9 2 Control of startup initialization of compressor inverter compressor Once started inverter compressor shall be initialized pursuant to the following processes During up conversion the compressor will stop 30 seconds at 40Hz 2 minutes at 55Hz and 1 minute at 80Hz 3 Startup control of compressor fixed frequency compressor In this case inverter compressor and fixed frequency compressor of certain module shall be controlled independently from those of other modules After startup capacity demand is increasing If capacity demand asks fixed frequency compressor to start after initialization inverter compressor converts
49. 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 370 370 370 255 255 350 370 Power mm xpc 10 0 5 10 0 5 10 0 5 6 0 5 6 0 5 10 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 21 MODULAR D C INVERTER MULTI VRF PRODUCT Model Combined unit INV L Pdm1456W4 NaB M INV L Pdm1512W4 NaB M INV L Pdm280W NaB M INV L Pdm280W NaB M Model Single unit INV L Pdm280W NaB M INV L Pdm335W NaB M INV L Pdm450W N
50. 14 32 power Heating kW 7 70 11 2 13 90 13 90 7 70 13 90 13 90 13 90 Rated Cooling A 13 44 22 25 25 60 25 60 13 44 25 60 25 60 25 60 current Heating A 13 76 20 02 24 85 24 85 13 76 24 85 24 85 24 85 Dimension mm 930x770x1670 1340x770x1670 930x770x1670 1340x770x1670 WxDxH 1340x770x1670 1340x770x1670 1340x770x1670 1340x770x1670 D C Inverter Scroll type compressor compressor constant speed scroll constant speed scroll compressor Compressor D C Inverter Scroll type compressor D C Inverter Scroll type ae ll P 2 compressor constant speed scroll teonstant speed scroll compressor x3 compressorx2 x3 Water proof level 24 24 Climate type mm 044 5 054 1 Gas pipe Inch 7 4 17 8 g E mm 22 2 25 4 5 Liquid pipe 2 Inch 7 8 1 T mm 12 7 012 7 E Oil equalizing pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 255 350 370 370 255 370 370 370 Recommended power cord mm xpc 6 0 5 10 0 5 10 0 5 10 0 5 6 0 5 10 0 5 10 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically b
51. 22 M dr hig Ae PARC a S gt 150 IZ z f Va 2 3 Z Z gt 3000 wall 2 oe vs ve Z 4 4 Ve 2 7 5 Z Z f E 4 A 2 3 7 2 9 P 7 PA y d unit mm 2 Z 7 Z LEAL A AA EL TT TAPIA AE ALL T LEONG S S pg 7g Important Notice The unit must be installed by the professional personnel according to this install instruction to ensure the well use Please contact the local INVENTOR special nominated repair department before installation Any malfunction caused by the unit that is installed by the department that is not special nominated by INVENTOR would not deal with on time by the inconvenience of the business contact It should be guide under the professional personnel when the air conditioner unit is moved to other place 130 MODULAR D C INVERTER MULTI INSTALLATION 131 MODULAR D C INVERTER MULTI INSTALLATION 4 4 3 Installation demonstration s the wall hole for IN the outlet pipe 6 L C il B iD Fig 1 1 Find the horizontal position by seton method since the drainage pipe is on the left side adjust the rear panel to make its left side a little bit lower 2 Fix the rear panel on the wall by bolt 3 After installing the rear panel pull it by hand to
52. 24 85 20 02 24 85 24 85 Dimension mm 1340 770 1670 1340x770x1670 WxDxH 1340x770x1670 em 1340x770 1670 CD C Inverter Scroll type compressor CD C Tnverter Scroll type Compressor compressor constant speed scroll constant speed scroll compressorx2 x3 compressorx2 x3 Water proof level 1 24 1 24 Climate type mm 41 3 41 3 Inch 13 8 13 8 Q 8 mm 019 05 019 05 Liquid pipe Inch 3 4 3 4 pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 350 370 370 350 370 370 power mm xpc 10 0 5 10 0 5 10 0 5 10 0 5 10 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f
53. 3 we E 7 3 YE GN AX CN6 CN5 A 2YE GN ale cg CNIB ONIS 0820006 PEN Evaporator Ed CN2 pp AP2 CN1 bp CN12 4 14 WAS e ue CN13 it Signal Wires p Signal Wires Bi s 0 ID OTE The wires 3 4 must be removed in installation m Stepping Motor 65624609 200 MODULAR D C INVERTER MULTI MAINTENANCE 4 UN Environment In Middle Qu mp Temp LT Sensor a MN pnm 1BU Dee N 124 L 7B RUBH R2 2 1 Power x f B 8BN 0 dg B TUI AC NAC UT AC 1A2YEGN EE j irr A S CN7 CN12 CN11 CN10 CN9 FAN1 Evaporator DISP 1 AP2 DISP2 SWING CN17 COM5 COM3 Y cx3C0M4 X Communication Wire A Xl T Big 4 W3 X Communication Wire Me m E B Manual panel amp amp Maus NOTE The wires 3 4 should be removed in installation Re The EKV should be installed by user 63624316
54. 3 way connector it must be fixed by insulating tape to avoid loose and poor contact of crystal head 101 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI INSTALLATION 102 MODULAR D C INVERTER MULTI INSTALLATION INSTALLATION 1 PRECAUTIONS FOR INSTALLATION 1 1 Precautions for Safety Before installation please ensure if the installing site power ratings possible operating range pipe distance height difference between indoor and outdoor unit power voltage and installing space are correct and suitable The outdoor unit is general to all models according to its power ensure correct installation please make sure to read the Safety Considerations thoroughly before starting the installation works The considerations stated below are classified into AAWARNING and CAUTION Those that might cause death or severe injury in case of wrong installation are identified in AAWARNING However those that are stated in ACAUTION may also cause severe accidents sometimes Therefore both of them relate to important safety considerations and must be strictly followed After completing the installation and test run and confirming that all are normal please introduce to the client on how to use and repair the machine according to the Operating Instructions Besides please deliver the considerations herein to the clients together with the Operating Instructions and ask them to keep properly T
55. 31 Electrical box assy Right INV Pdm450W NaB N1 01394789 1 32 Cover of electrical box 1 01424186P 1 33 Connection Pipes Electrical expansion vavle 05024954 1 34 Electrical expansion vavle sub assy 07334244 1 35 Support 01804179P 1 36 Cut off valve sub assy 1 07334182 1 37 Cut off valve sub assy 3 07334183 1 38 Connection Pipes 05024901 1 39 Compressor and it s fittings ESOSDH 49D2Y 99071264 1 40 Cut off valve sub assy 07334328 41 Support sub assy 01324212P 42 Compressor and it s fittings ESOSDH 49D2Y 99071264 43 Capillary sub assy Oil equalizing 04104153 44 Oil separator 07424129 45 Capillary sub assy Oil return 04104152 46 Compressor and it s fittings E405DHD 38D2Y 00204116 47 Lower panel sub assy 01194132P 48 Discharge pipe sub assy 04634222 49 Panel Front 2 01544117P 50 Netted mantle 01574102 51 Lower seat sub assy 01284141 INV Pdm450W NaB M exploded views INV Pdm450W NaB M parts list No Name of part Part code Quantity 1 Left side panel sub assy 01314143P 1 2 Condenser assy 01124165 1 3 Motor support 01324179P 4 4 Motor support sub assy 01324177P 2 5 Wind leaf 10358202 2 6 Leading cover VPd450 apricot ash 26904112 2 7 Motor SWB350A 15704105 2 8 Back cover plate 01264159P 1 9 Fixing support sub assy 3 01324175P 1 10 Fix
56. 40 N Z return Ee 4 il vent F m n Air outlet 0 E is rainage pipe Lower air return G Fresh air inlet 1 A direction J L mal 4 E WI Mer Le pua Instruction According tc installation situation the or DER LA s Ty air return or rear air return T could be selected Feee a e D L E Model A mm B mm C mm D mm E mm F mm G mm INV L2 R45P Na K 932 430 738 904 980 736 738 INV L2 R50P Na K 932 430 738 904 980 736 738 INV L2 R56P Na K 1112 420 918 1070 1155 756 1008 INV L R63P Na K 1112 420 918 1070 1155 756 1008 INV L Na K 1112 420 918 1070 1155 756 1008 INV L R80P Na K 1112 420 918 1070 1155 756 1008 114 MODULAR D C INVERTER MULTI VRF INSTALLATION INV L R90P Na K 1382 420 1155 1340 1425 756 1278 INV L R112P Na K 1382 420 1155 1340 1425 756 1278 INV L R125P Na K 1382 420 1155 1340 1425 756 1278 INV L R140P Na K 1382 420 1155 1340 1425 756 1278 RP EE gm Drainage pipe Model H mm I mm J
57. 450 Air Flow Rate CFM 2825 265 265 Sound Pressure Level H L dB A 57 H 37 33 37 33 External Static Pressure Pa 120 50 20 50 20 Power Supply 380V 3N 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 1 5 0 075 0 075 Fan Motor Running Current A 3 3 0 30 0 30 mm 922 2 9 52 9 52 Gas Pipe inch 97 8 93 8 93 8 P mm 99 52 96 35 96 35 5 Liquid Pipe inch 93 8 91 4 5 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes thes ice External Dia x Thickness mm 1 screwed joint 20 1 5 20 1 5 Unit Denon tons mm 1500x 1000x500 875 680 260 875 680 260 WxDxH Packige Dimensi ns 1840x1200x673 1012x780x315 1012x780x315 WxDxH Weight Net Gross kg 170 220 27 31 27 31 Notes 2 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 32 MODULAR D C INVERTER MU LTI VRF PRODUCT External Dia x Thickness Unit Dimensions Q20x1 5 Model INV L R28P NaB K INV L R36P NaB K INV L
58. 70 lt lt 180 19 05 9 52 180 lt lt 300 22 2 9 52 300 lt lt 450 28 6 12 7 450 lt lt 670 28 6 15 9 670 lt lt 950 34 9 19 05 950 lt lt 1350 41 3 19 05 1350 lt lt 1570 44 5 22 2 1570 lt lt 2100 54 1 25 4 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 3 The diameter of the piping from the branch joint branch pipe to the indoor unit R410a refrigerant system Outdoor capacity code C Gas pipe mm inch Liquid pipe mm inch 22 25 28 model 9 52 96 35 36 40 45 50 model 127 6 35 56 63 71 80 90 100 112 125 140 model 15 9 9 52 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 5 5 Selection of Refrigerant Piping between Outdoor Unit and Outdoor Unit for module unit 1 Selection of components between module and module 135 MODULAR D C INVERTER MULTI INSTALLATION Notes Model Name Illustration EEFE m MLOI Liquid ZERO COE EH Sub assembly pipe corresponding MLOI to outdoor module MLOI Air pipe 2 Selection of pipe diameter between module and module AMOTITTTIT ITT TTS TTT TTT TTT APR RR RB B TO
59. AC Contactor CJX9B 25S D 44010245 57 filter board WZ814A 30228111 58 Electric element install Board sub assy 1 01324318 59 Electric element install Board sub assy 4 01324324 60 Reactor L1 92mH 34A 10 300 400 43130174 61 Power Transformer Support 01804316 62 Power Transformer 48X26G 43110233 63 Electric element install Board sub assy 3 01324320 64 filter FS23722 10 06 43130017 65 Main Board ZC831AZ 30278301 INV Pdm280W NaB M exploded views 1 i m i LA Ud M H M ERR Ris xj alm e m 47 46 INV Pdm280W NaB M parts list No Name of part Part code Quantity 1 Left side panel sub assy 01313256P 1 2 Leading cover VPd280 apricot ash 26904101 1 3 Back cover plate 01313261P 1 4 Front cover plate 01264142P 1 5 Windshield left 01354102 1 6 Condenser assy 01124160 1 7 Windshield right 01354103 1 8 Fixing support sub assy NO 2 01324120P 1 9 Fixing support sub assy NO 1 01324221P 1 10 Axes flow wind leaf sub assy VPd280 black 10338702 1 11 Motor support 0132431501P 2 12 Motor SWZ750A 15
60. Condensate 8 157 8 2 Key Points for Condensate Pipe 157 8 3 Installation of Drainage Pipe for Different Types of Indoor Unit sess 160 8 4 Test for Condensate Pipe leget etg 164 8 5 Requirements of Heat preservation 165 9 ELECTRICAL INSTALLATION erm 166 9 1 Precautions for Electrical Installation 44004040000 166 9 2 Specifications of Power Cord amp Circuit 2 2 167 9 3 Wiring Sketch tione t a ten eee ek eT edet EET Re ore euet e ETUR eS 168 9 2 Dial up of Units ro C ra Cose nt e p CORPER CE DT Cose LU etri S Orte d 169 MAINTENANCE eee nee ettet pite Tete e RII E E IIR iea 173 I TROUBE EE TABLES mitte tn tet tcr regen eve tte tete E ae ice ieee 173 1 1 Trouble Display of Indoor eene 173 1 2 Trouble and State Display of Mainboard LED of Outdoor Unit sese 176 2 FLOW CHART OF TROUBLESHOOTING eere ener enne 180 3WIRINGDIADRAM erben ette ep re EORR devious TRES e e ORE TS 196 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 203 4 TOUtdootr etenim pte rope eere qe TR HOT A 203 4 2 Removal and Assembly of Indoor
61. E INV Pdm1065W3 NaB M 363378 406028 380 415V R410A 3N 50Hz t INV Pdm1130W3 NaB M 385556 431618 INV Pdm1180W3 NaB M 402616 448678 INV Pdm1235W3 NaB M 421382 469150 me IRSE 380 415V E INV Pdm1300W3 NaB M 443560 494740 410 jw i INV Pdm1350W3 NaB M 460620 511800 INV Pdm1405W4 NaB M 481092 539096 raoa 380 415V 6 3N 50Hz 1456 4 498152 556156 amp MODULAR D C INVERTER MULTI VRF PRODUCT Continue Capacity Units Power Series Model Cooling Heating Ref Supply Appearance Btu h Btwh INV Pdm1512W4 NaB M 516918 576628 Raroa 280 415V MODULA INV Pdm1570W4 NaB M 528860 602218 3N 50Hz T R D C INVERTE INV Pdm1650W4 NaB M 556156 619278 R MULTI VRF INV Pdm1700W4 NaB M 574922 639750 Tum R410A 380 415 INV Pdm1750W4 NaB M 597100 665340 3N 50Hz E INV Pdm1800W4 NaB M 614160 682400 Notes a Design of this unit accords with the Standard GB T 18837 2002 b Cooling only unit INVL type has no items on heating c Noise was tested in semi silenced room so the actual noise value will be a little higher for change of ambient d The charge amount of R410A in the list is only the sealed amount when outdoor unit outgoing When installing calculate the additional charge amount according to actual length of pipe and the matched in
62. Evaporator Not Reaching Threshold Within 1 Minute After the indoor unit starts heating operation and the fan motor stops for any reason including unit starting defrosting failure and no demand capacity the operation of preventing cold air is carried out before the fan motor starts again After the indoor fan motor starts the operation of preventing cold air is not carried out even if the teyaporator is less than the threshold Ty evaporator again except the fan motor stops Heating Temperature Compensation When the air conditioner operates under standard conditions the unit group adjusts the capacity output of the indoor unit according to the set temperature and the air inlet temperature so as to adjust the room temperature to the set temperature If the installation height of the air conditioner is somewhat high the hot air tends to rise to the upper space when heating operation is carried out which is the result of difference of density Now the temperature of the living space may not reach the set temperature so people may feel uncomfortable Therefore it is required to use the temperature compensation function during heating the air inlet temperature minus 2 Cis adopted to reflect the real temperature of the living space Using this method comfortable temperature will be maintained in the living space 62 5 MODULAR D C INVERTER MULTI CONTROL Expansion Valve ON Expansion Valve OFF dc 1 Indoor Ambient
63. Hanging indoor units red led blink green led dark yellow led dark MODULAR D C INVERTER MULTI Low pressure protection No Use pressure gauge to measure if the pressure is reallv low Yes Check if the refrigerant in Yes the system is too low No No Check if the operation mode of indoor unit is set properly Yes Check if the gas valve and No liquid valve of outdoor unit are fully open es No Check if the front panel of outdoor unit is covered tightly Yes Check if the air inlet and outlet of the indoor and outdoor exchanger is smooth Yes Check if the indoor outdoor fans run normally No Check if the indoor swing louver is fully open Yes Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units es Check if the indoor No electronic expansion valve can work normally Yes Yes Check if the indoor outdoor ES filters or radiating fins are dirty or blocked No MAINTENANCE Refer to low pressure sensor error Add refrigerant according to the nominal refrigerant volume on nameplate and the calculated charge volume Refer to the Instruction Manual for Indoor Unit Fully open the valve Cover up the front panel properly Remove the obstructions Measure the fan motor and signal input Measure the swing motor and signal input Refer to the d
64. Make sure nitrogen reaches all welding connectors in order to effectively discharge air A vent port must be available when nitrogen charge is continuously performed or otherwise gas would escape from gap around connector making welding stuffing difficult and prone to pores Places requiring protection during welding Nitrogen charge pipe Copper pipe Copper pipe Nitrogen N2 Vent port d Welding heating Notes e Braze welding is flame hard braze welding Relevant safety operating regulations must be abided by e Confirm that nitrogen is flowing through before copper pipe is heated e Neutral flame or slightly reducing flame shall be used for red copper braze welding Outer flame is normally used Copper pipe connectors shall be heated uniformly Take care to distribute heat in terms of dimension of pipe material Generally insert pipe shall be preheated at first for close matching and then swayed along length of connector to make it heated uniformly until braze welding temperature is approached then copper pipe is heated circularly to reach braze welding temperature copper pipe becomes light red and at the same time brazing filler metal is added circularly to fill in the clearance around the connector uniformly and afterwards the welding torch is slowly moved away from the pipe and a small amount of brazing filler metal continues to be filled in until smooth fillet is formed e During heating welding rod shall not be burned di
65. Model INV L R56P NaB K INV L R71P NaB K kW 5 6 7 1 9 0 Cooling Capacity Btu 19108 24226 30709 kW 6 3 8 0 10 0 Heating Capacity Btu 21496 27296 34120 m3 h 1400 1400 2000 Air Flow Rate CFM 824 824 1177 Sound Pressure Level H L dB A 42 38 42 38 44 40 External Static Pressure Pa 60 30 60 30 80 40 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 24 0 24 0 36 Fan Motor Running Current A 1 00 1 00 1 60 mm 015 9 015 9 015 9 Gas Pipe inch 05 8 05 8 05 8 eae mm 09 52 09 52 09 52 1 Liquid Pipe inch 03 8 03 8 03 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness 30 1 5 30 1 5 30 1 5 AED mm 1112x756x300 1112x756x300 1425x756x300 MU or ida 1245x785x360 1245x785x360 1514x785x360 Weight Net Gross kg 49 56 49 56 62 71 Notes 2 design of this unit comply with the national executing standard of GB T 18837 2002 Refer to the product nameplate for parameters and specification of the unit The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only 2 3 units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher actual operation 34 MODULAR D C INVERTER MULTI VRF PRODUCT
66. Office No 4 Office No 5 Office No 6 4 1 Misi Monitor Room m x 15sqm 1 1 Instruction to Distribution of Unit and Installation of Equipment This office building has been installed with 2 sets of INV units as shown in the table below Quantity of required communicatio n modules pinboard Name INV Pdm450W Unitl NaB M 1 0 INV Pdm280W Unit 2 NaB M 202 Quantity of indoor units Office 1 Office 2 Office 3 Office 4 Office 5 Office 6 Office 7 Office 8 Assembly room 1 Assembly room 2 Corresponding rooms of indoor units Address of communication module 01 Address of communication module 02 03 Address of indoor unit 3 4 5 6 7 8 9 10 11 12 Address of indoor unit 1 2 3 4 1 2 3 4 5 6 7 8 9 80 MODULAR D C INVERTER MULTI VRF 2 Frame Diagram of System Net 4 B INV L Pdm280W CONTROL Centralized controller ZJ7011 FIT TIME f E 5 Office No 7 Address 1 2 PRB Office No 8 Address 3 4 p DA 2 m kor 2 5 2 e T E EE AWE Swat Assembly Room No 1 Assembly Room No 2 Address 1 4 Address 5 9
67. Pipe between outdoor unit and sub assembly Pipe between outdoor unit and Pipe between gt connection sub assembly 4 module connection Pipe between outdoor sub assemblies L unit and indoor unit N a Pipe diameter between outdoor unit and connection component R410a refrigerant system Single module capacity code C Gas pipe mm inch Liquid pipe mm inch lt 280 22 2 9 52 280 lt lt 45 28 6 12 7 b Pipe diameter between connection component of module and connection component of module R410a refrigerant system Sum of capacity code of upstream module Gas pipe mm inch Liquid pipe mm inch lt 280 22 2 9 52 280 lt lt 450 28 6 12 7 450 lt lt 670 28 6 15 9 670 lt lt 950 34 9 19 05 950 lt lt 1350 41 3 19 05 gt 1350 41 3 22 2 Piping used for balancing lubricant The oil balance pipe is connected by using 9 52 copper pipe For three outdoor units arranged in parallel one 3 way joint having an inner diameter of 59 7 shall be used in the oil balance pipe 136 MODULAR D C INVERTER MULTI INSTALLATION 6 INSTALLATION OF REFRIGERANT PIPING 6 1 Flow Chart of Installation Installation of indoor unit Fabrication according to piping design dimension Installation of connection pipes Expel with nitrogen v Welding
68. R45P NaB K kW 2 8 3 6 4 5 Cooling Capacity Btu 9554 12284 15355 kW 3 2 4 0 5 0 Heating Capacity Btu 10918 13648 17060 m3 h 570 570 840 Air Flow Rate CFM 335 336 494 Sound Pressure Level H L dB A 39 35 39 35 40 36 External Static Pressure Pa 50 20 50 20 50 20 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 08 0 08 0 14 Fan Motor Running Current A 0 40 0 40 0 60 mm 09 52 912 7 912 7 Gas Pipe inch 93 8 91 2 91 2 VE mm 96 35 96 35 96 35 1 Liquid Pipe inch 5 4 5 4 5 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes 201 5 30 1 5 WxDxH mm 875 680 260 875 680 260 980 736 266 Package Dimensions 1012 780 31 M WxDxH mm 780 315 780 315 068x766x320 Weight Net Gross kg 27 31 27 31 34 37 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 33 MODULAR D C INVERTER MULTI VRF PRODUCT INV L R90P NaB K
69. Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 11 MODULAR D C INVERTER MULTI VRF PRODUCT Model INV Pdm335W NaB M INV Pdm400W NaB M Cooling capacity kW 33 5 40 0 Heating capacity kW 37 5 45 0 Sound Pressure Level dB A 60 61 R410A charge amount kg 15 16 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 9 23 12 45 power Heating kW 9 38 11 2 Rated Cooling A 16 50 22 25 current Heating A 16 77 20 02 IPLV 4 15 3 95 A 1340 770 1670 1340 770 1670 WxDxH C D C Inverter Scroll type compressor D C Inverter Scroll type compressor constant speed scroll compressorx2 constant speed scroll compressorx2 Water proof level P24 P24 Climate type TI TI mm 28 6 028 6 9 Gas pipe Inch 9 8 9 8 S mm 012 7 012 7 NEAN 5 Liquid pipe S Inch 1 2 1 2 Connecting mode Brazing Connectio Brazing Connection Net weight kg 350 350 2 Recommended power mm xp 10 0x5 10 0x5 cord c Note a The data will change with the change of products Refe
70. WZS901 30229004 50 AC Contactor LC1D25M7C 44010213 51 Electric element install Board sub assy 2 01324319 52 Terminal Board 4 bit 42011051 53 Electrical box sub assy 01394839P 54 Over Current Protector 3 40A OSMC32N3C40 45020214 55 Anti phase Protector EWS 46020054 56 AC Contactor CJX9B 25S D 44010245 57 filter board WZ814A 30228111 58 Electric element install Board sub assy 1 01324318 59 Electric element install Board sub assy 4 01324324 60 reactor L1 92mH 34A 10 300 400 43130174 61 Power Transformer Support 01804316 62 Power Transformer 48X26G 43110233 63 Electric element install Board sub assy 3 01324320 64 filter FS23722 10 06 43130017 65 Main Board ZC831AZ 30278301 INV Pdm335W NaB M exploded views INV Pdm335W NaB M parts list No Name of part Part code Quantity 1 Left side panel sub assy 01314143P 1 2 Condenser assy 01124165 1 3 Motor support 01324179P 4 4 Motor support sub assy 01324177P 2 5 Wind leaf 10358202 2 6 Leading cover VPd450 apricot ash 26904112 2 7 Motor SWB350A 15704105 2 8 Back cover plate 01264159P 1 9 Fixing support sub assy 3 01324175P 1 10 Fixing support sub assy 1 01324171P 1 11 Fixing support sub assy 2 01324173P 1 12 Panel Front shore 01894135P 2 13 Front cover plate 01264158P 1 14 Liquid receiver inlet 04324753
71. actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 19 PRODUCT MODULAR D C INVERTER MULTI VRF Model Combined unit INV Pdm1235W3 NaB M INV Pdm1300W3 NaB M INV Pdm335W NaB M INV Pdm400W NaB M Model Single unit INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M Cooling capacity kW 123 5 130 0 Heating capacity kW 137 5 145 0 Sound Pressure Level dB A 65 65 R410A charge kg 15 17 17 16 17 17 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 9 23 14 32 14 32 12 45 14 32 14 32 power Heating kW 9 38 13 90 13 90 11 2 13 90 13 90 Rated Cooling A 16 50 25 60 25 60 22 25 25 60 25 60 current Heating A 16 77 24 85
72. among the mini centralized controller region controller region monitoring controller and region wired controller 71 MODULAR D C INVERTER MULTI CONTROL 4 2 Operation View 1 FUNC 2 2 MODE gt gt Von 5 6 TIMER 7 ON OFF Fig 4 2 No Name Function FUNC A Switch the control mode of inquiry single central control 1 FUNCTION ae central control status give the central order by successively pressing FUNC utton 2 MODE Set cooling heating fan dry mode for indoor unit 3 A A Inquiry status cycle increase or decrease No of indoor units to easily inquire the status of each indoor unit B Single Central control status set running temp of indoor unit maximum is 30 C 4 v and minimum is 16 C Timer setting status increase or decrease the timer on off time maximum is 24hr and minimum is 0 5 FAN A Set the indoor fan speed of hi mid low auto B Successively press FAN button to set on off swing A Under single central control mode set on off timer of selected indoor unit 6 TIMER B Under inquiry status inquire the timer setting of the indoor unit with current address 7 ON OFF Set ON OFF of the indoor unit Under single central control press MODE and ON OFF buttons simultaneously to 2MODE and Lock start stop the lock of operation to buttons of wired controller for selected indoor 7 ON OFF unit
73. as being covered by flame proof enclosure f Good ventilation is necessary to avoid breathe in of harmful gas g Appropriate measures shall be taken if there is a safety problem h Operation on connectors of branch pipes as well as on the surrounding of pipe ends shall be performed on the ground as possible because heating is difficult to control at a high place and welded part of a branch pipe is prone to be melted to cause leakage For example Weld the pipe approx 1m before and behind the reflared position and wrap with thernal insulation materials Then weld on higher position Approx 1m cef 1 To avoid the position difficult to weld you may add a prefabricated assembly below Drainage pipe Difficult to weld at this position 145 MODULAR D C INVERTER MULTI INSTALLATION 4 Operation order Basic procedures for welding Assemble copper pipes Check whether clearance is proper Fill nitrogen N2 Nitrogen pressure 0 05 0 3Mpa Welding flux Welding heating Acknowl welding Tk L Add welding flux J Cooling continue to fill nitrogen for over 10s Shut off nitrogen Make visual inspection to the weld quality a Cleaning of portions for braze welding Removing metal materials at connection portion Removing oxidation film using non woven fabric abrasive cloth or abrasive pape
74. avoided 3 minutes Temperature regulation Yes capacity control Electronic valve No Yes gt v Fan stop Electronic expansion valve stop v Go to the preceding page CONTROL 52 MODULAR D C INVERTER MULTI Heating running C Cooling running y No Guide Louver T Guide louver is swaying y Is defrost Yes CONTROL running Y No Is restart being Yes avoided 3 minutes No Temperature requlation Yes Is cold air being avoided No y v Fan running at set speed Fan stop Fan stop Fan stop v v Electronic expansion valve capacity control Electronic expansion valve stop v Electronic expansion valve defrost control y ir supply running Air supply running Guide Louver yves Guide louver is swaying 4 v Fan running at set speed v Electronic expansion valve controlled in air supply mode 53 MODULAR D C INVERTER MULTI VRF Drying running Guide Louver Drying running Guide louver is swaying Fan running at
75. cause electric shock or fire accidents Please use suitable cables and connect them securely Please fix the terminal joints securely The terminal connection shall not be affected due to any external force applied onto the cable Improper connection and fixing may cause heating and fire accidents Keep the cables in correct shape and prevent them from protruding upward Please protect them securely with repair board Improper installation may cause heating and fire accidents When erecting or relocating the air conditioner do not let air enter into cooling circulation system except the specified refrigerant If any air is mixed abnormal high pressure will occur in the cooling circulation system thus causing crack or human injury accidents During installation please always use the attached parts or designated parts Failure to use the designated parts may cause water leakage electric shock fire or refrigerant leakage CAUTION Please earth securely Do not connect the earth wires to gas pipe water pipe lightning rod or telephone line Improper earthing might cause electric shock Leakage circuit breaker must be installed at some place No installation of leakage circuit breaker might cause electric shock Do not install at a place where inflammable gas might leak Gas leakage and despot around the machine might cause fire accidents 5 gt To ensure correct drainage of water the drainage pipe shall be
76. check if it is firm enough The hang panel should support the weight of an adult 60KG and the weight shared by every bolt for steady should be fairly even 4 The diameter showed on the fig 1 is 65mm Installation the Wall Mounted Type indoor unit Make the piping hole 65mm in the wall at a slight downward slant to the outdoor side The center of the hole should be determined refer to Fig 1 Insert the piping hole sleeve into the hole to prevent the connected piping and wiring from being damaged when passing through the hole e Install the drainage pipe For well draining the drain hose should be placed at a downward slant Wrenched TM not wrench or bend the drain hose or flood its end _ N m by Num VIL SEEN water Fig 2 Wrap heat resistant material when connect the longer X X Flooded drainage tube though indoor Fig 2 e Install the connection pipes Connect the connect pipe with the two relative leading pipe tie the nut on tie in of the connect pipe tightly Note Be careful in bending the connection pipes or you will damage the pipes X If the tightening torque is too great in tightening the flare nut leakage will happen 132 MODULAR D C INVERTER MULTI INSTALLATION 5 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING 5 1 Specification R410a refrigerant system R Thickness mm R d Thickness mm p6 35 20 8 p25 4 gt 1 5
77. compressor to correct position e Firstly use spanner to tighten the bolts fixing the compressor eNo inversion while install compressor 7 Connect the suction and exhaust pipe of compressor to system pipeline Use gas welding to heat the suction and exhaust pipes Then pull them from the compressor Weld by charging nitrogen for protection with the nitrogen pressure kept at 0 5 0 1kgf c m relative pressure e During heating take care to prevent the substances around from burn due to high temperature 8 Connect and wrap the compressor power wire electric heating belt and air out senor 9 Check and fix the front plate Label the color of wire and correspondi ng codes of connection pole e Install the power cable to the fixing screw according to the disassembly procedures e Use screwdriver to tighten the screws fixing the power cable eConnect and wrap the electric heating belt and air out sensor 7 Check if the elements and wires are connected correctly eAfter that cover both sides of the front plate and fix nuts Disassembly and Assembly of 4 way valve Remarks Before removing the 4 way valve make sure that there is no refrigerant inside the pipe system and that the power has been cut off Step Illustratio
78. don t pull directly after loosening the bolts lift first and then pull 2 Removal of compressor power wire electric heating belt and air out sensor Mark the power cable colors and corresponding terminal codes during removal Www e Loosen the fixed screw of power wire with screwdriver e Pull out the power wire e Pull out the electric heating belt and air out sensor Note When removing the power cable please mark the power cable color and corresponding terminal thus to avoid error during reinstallation 3 Remove the nuts fixing the compressor Loosen 4 fixed screws of the compressor e Screw off the 4 fixed screws with spanner 4 Remove the suction and exhaust pipe ag Pull out the suck and exhaust pipe Use gas welding to heat the suction and exhaust pipes Then pull them from compressor e Weld by charging nitrogen for protection with the nitrogen pressure kept at 0 540 1kgf c m relative pressure e During heating take care to prevent the substances around from burn due to high temperature 203 5 Remove the compressor e Remove the compressor from chassis 6 Fix the new compressor to chassis e Put the new
79. indicator led4 blink led3 dark led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark 5 Fixed frequency exhaust temperature sensor error Error display on hand controller F8 Outdoor units mainboard indicator led4 blink led3 blink led2 dark led1 dark fixed frequency 1 led4 blink led3 blink led2 dark led1 bright fixed frequency2 6 Variable frequency exhaust temperature sensor error Error display on hand controller F9 Outdoor units mainboard indicator led4 blink led3 blink led2 dark led1 blink air out sensor led4 bright led3 dark led2 dark led1 blink sensor of housing head cover 7 Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark Temperature sensor error If the plug on temperature sensor is correctly connected to the socket on mainboard Check the orientation of plug and socket Remove the temperature and measure if its resistance is
80. its frequency to 40Hz and remains for 10s then fixed frequency compressor 1 is started after 30s in the up conversion course to reach target frequency inverter compressor will stop 2 minutes at 55Hz and 1 minute at 80Hz If capacity demand asks fixed frequency compressor 2 to start fixed frequency compressor has been started inverter compressor converts its frequency to 40Hz and remains for 10s then fixed frequency compressor is started after 30s in the up conversion course to reach target frequency inverter compressor will stop 2 minutes at 55Hz and 1 minute at 80Hz Note oil return defrost and oil equilibrium compressor startup processes are free from such logical control Time sequence diagram is as below If capacity demand only asks inverter compressor to start in the period if target frequency of inverter compressor is lower than N frequency of stop points up conversion is unnecessary Ai Target frequency 1 min 55Hz 2min 40Hz 30s Inverter Fixed frequency 1 Fixed frequency 2 57 MODULAR D C INVERTER MULTI CONTROL If capacity demand asks inverter fixed frequency 1 to start Inverter in the period if target frequency of inverter compressor is lower than frequency of stop points up conversion is unnecessary Fixed frequency 1 Fixed frequency 2 Target frequency 30Hz m Imin V 1 min
81. litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 25 MODULAR D C INVERTER MULTI VRF 4 2 Product data of indoor 4 2 1 Duct Type PRODUCT CExternal Dia x Thickness Q20x1 5 Model INV L R22P Na K INV L R25P Na K INV L R28P Na K kW 2 2 2 5 2 8 Cooling Capacity Btu 7506 8530 9554 kW 2 5 3 0 3 2 Heating Capacity Btu 8530 10236 10918 m3 h 450 450 570 Air Flow Rate CFM 265 265 336 Sound Pressure Level H L dB A 37 33 37 33 39 35 External Static Pressure Pa 25 25 25 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 02 0 02 0 02 Fan Motor Running Current A 0 17 0 17 0 16 mm 9 52 9 52 9 52 Gas Pipe inch 93 8 93 8 93 8 mm 96 35 96 35 96 35 L
82. mm Liquid pipe inch Gas pipe inch Guise INV L R45P Na K 125 207 266 01 4 01 2 030 27 INV L R50P Na K 125 207 266 01 4 01 2 030 27 INV L2 R56P Na K 207 250 300 03 8 05 8 030 27 INV L2 R63P Na K 207 250 300 03 8 p5 8 030 27 INV L2 R71P Na K 207 250 300 03 8 05 8 030 27 INV L2 R80P Na K 207 250 300 p3 8 p5 8 030 27 INV L2 R90P Na K 207 250 300 03 8 05 8 030 27 INV L R112P Na K 207 250 300 03 8 05 8 030 27 INV L R125P Na K 207 250 300 03 8 p5 8 030 27 INV L R140P Na K 207 250 300 03 8 05 8 30 27 m e Air Outlet m U aT OQ LI ri I Air Return f d _ a Model a b f INV R224P Na M 1 1194 1194 292 42 INV R280P 560 910 9 9 9 4 115 MODULAR D C INVERTER MULTI INSTALLATION LL 4 1 3 Clearance data Nut with 2 washer H 7 2m Nut spring a YY pad Ld 12300 gt 154 4 1 4 Installation demonstration D Selection of style of return air 5 4 5 WE e boo Bi B 4 N Air supply udi 2 Air supply E 77 6 4 F 1 Return air a Return air Install the return
83. ne THI ma H 7 Out Environment temp temp temp temp sensor sensor sensorsensor N YEY Fon motor Notice Manual Panel 1 Please connect AP1 FH with XT2 2 in the common static pressure De 2 Please connect AP1 FH with 3 1 in the high static pressure 63624604 2 INV R90P Na K INV R112P Na K INV R140P Na K INVL R90P Na K INVL R112P Na K INVL R140P Na K fr N 1 CN10 FUSE 50T 3 154 250V an x13 N un xp 15 2 communication wire 1 m E 1L6BK 1 acu CNIS PCB CN8 LAE 168K communication wire M rio L8BU ERN GE 111 CN16 P BK CN3 RD CN4 5 BU CN6 BU CN14 C1 7UF C2 4UF J T 7 1 7 I T 2 4 NP a NP ESSE NR TH2 4 TH3 TH4 4 THI VER Wi i ib Out In Environment X aw fo X lu d temp temp temp temp LCD or R er d Notice sensor sensor sensor sensor HH on ve Fon motor GN YE motor D D sane static pressure Manual Panel 2401 4 020740 INV R125P Na K INVL R125P Na K 198
84. of gas liquid separator ePull out the gas liquid separator after gas welding the 2 pipe connections Note during heating take care to prevent the other components from burn 4 Move out gas liquid separator EE 227 EE eAdjust and lean the connection pipe on the gas liquid separator thus to pull the gas liquid separator eMove out the gas liquid separator from the right electric box position 5 Assembly new gas liquid separator eAssembly the gas liquid separator according to its in and out pipe position and weld 2 connection points of the gas liquid separator eWeld by charging nitrogen for protection with the nitrogen pressure kept at 0 5 0 1 relative pressure Note during heating take care to prevent the other components from burn 6 Fix fixed screws of oil separator and assembly electric heating belt B eMove up the right ele
85. of gasket anchor board can prevent gasket break off 2 Use install cardboard Please refer to the install cardboard about the dimension of ceiling opening The central mark of the ceiling opening is marked on the install cardboard Install the install cardboard on the unit by bolt 3 piece and fix the angle of the drainage pipe at the outlet vent by bolt 3 Adjust the unit to the suitable install place Refer to the fig 2 4 Check if the unit is horizontal Inner drainage pump and bobber switch are included in the indoor unit check if 4 angle of every unit are horizontal by water lever If the unit is slant toward the opposite of the coagulate water flow there may be malfunction of the bobber switch and lead water drop 5 Backout the gasket anchor board used to prevent gasket break off and tighten the nut on it 6 the install cardboard 120 MODULAR D C INVERTER MULTI INSTALLATION N li ut supplied at scene Gasket attachment re Hoisting stand __ Gasket anchor board Tighten double nuts Fix the hoisting stand firmly Fix the gasket firmly Bolt of one of the angle of outlet pipe is fix on the angle of the drainage slot PL c Center of the ceiling M opening Install cardboard Water lever 1 Ss LS T j A y r Polyethylene pipe Bolt attachment Bolt
86. of the Unit 1 2 1 Operation Flow Chart of the Unit The unit is powered on v The electronic expansion valve is initialized v Air flow air direction and The running indicator is bright temperature that were set last time are displayed Stop The running indicator is black o The running display blinking Abnormality symbol displaying gt fault code Is protection device operating Press the run stop switch Is the running indicator blinking The running indicator bright Air flow setting display displayed The running display black Air direction setting display displayed Abnormal mode display removed m Temperature setting display displayed Air supply or Air supply temperature v regulation Air supply fan stop Temperature regulation Electronic expansion valve stop Cooling or heating Guide louver stop Cooling Heating y Cooling Heating running aig b 5 51 MODULAR D C INVERTER MULTI Cooling running Cooling running Guide Louver Yes v Guide louver is swaying v Fan running at set air flow P ui Is restart being
87. sub assy 04324739 1 20 Oil return pipe sub assy Support 01804321P 1 21 Compressor and it s fittings E405 DHD 38D2Y 00204116 1 22 Lower panel sub assy 01194134 1 23 Compressor fixing support sub assy 01324223P 2 24 Oil separator 07424129 1 25 Localizer 02244101 8 26 Oil equalizing pipe sub assy 06114145 1 27 A yp QUEM fittings 99071264 2 28 Low pressure measure valve 06114146 1 29 Support 01804325P 2 30 Cut off valve sub assy 1 07334330 1 31 Electrical expansion vavle sub assy 07334228 1 32 Electromagnetism vavle sub assy 43044120 1 33 Liquid receiver 07424114 1 34 Handle apricot ash 26235253 2 35 Back grill 01238740 1 36 Panel Front 01543243P 1 37 Fixing support sub assy 3 01313259P 1 38 Sustain lengthways girder 01894156P 1 39 Sustain transverse girder sub assy 01874132P 1 40 Lower seat transverse girder 01874115P 41 Package wooden base 51094102 42 Lower seat lengthways girder sub assy 01874137P 43 Cover of electrical box 01424136P 44 Terminal board 2 8 42011103 45 Main Board WZCB31 30220025 46 Main Board ZQ86 30228606 47 Radiator SRX11D250 49010605 48 Radiator 49018761 49 Main Board WZS901 30229004 50 AC Contactor LC1D25M7C 44010213 51 Electric element install Board sub assy 2 01324319 52 Terminal Board 4 bit 42011051 53 Electrical box sub assy 01394839P 54 Over Current Protector 3 40A OSMC32N3C40 45020214 55 Anti phase Protector EWS 46020054 56
88. supported on three points if exceeding 2m The foot pedal must be fixed securely to the ladder Please do not work on the top of ladder 6 4 Installation of Carriage of Refrigerant piping 1 Fixing of horizontal pipe The refrigerant pipe will extend and shrink with each start or stop of the air conditioner unit 5 10 times hour Under a temperature difference of 80 C this extension may reach 13 84mm for every 10m To prevent failure the pipes must be reinforced as follows Spacing between supports Outer diameter of pipe mm 6 35 8 52 Over 12 7 Spacing between supports m Below 1 2 Below 1 5 Note If the gas pipe and liquid pipe are suspended together the size of liquid pipe shall prevail CAUTION Never let the pipe in direct contact with the fixing metal parts Thermal insulation shall be provided around the fixing metal parts otherwise condensing will occur 2 Fixing of vertical pipe The vertical pipe may be fixed by using the commodity tools in market or self made tools As above the fixing point shall also be thermally insulated 3 Fixing of other points Measures shall be taken to prevent the extension or shrinkage of pipes from causing excessive loads to some positions machine joint and waterproof points Generally such positions refer to the branch pipe joint pipe ends four sides of indoor unit and wall cross hole 138 MODULAR D C INVERTER MULTI INSTALLATION 6 5 Manage
89. that the power has been cut off Step Illustration Handling Instruction 1 Remove the coil eDismantle the left and right of electronic front plate and put away expansion valve Remove the coil of electronic expansion valve 2 Remove the electronic expansion valve e Loosen the connection pipe of electronic expansion valve by welding then pull out the connection pipe Note During welding take care not to let the flame burn other elements 3 Move out the electric expansion valve eMove the electric expansion valve 4 Mount new electric expansion valve e Weld the connection pipe of electronic expansion valve eWhen welding the electric expansion valve please wrap the valve body with wet cloth e Weld by charging nitrogen with the nitrogen pressure kept at 0 540 1kgf c m relative pressure Note During welding take care not to let the flame burn other elements 5 Assemble the coil of electronic expansion valve e Assemble the coil of electronic expansion valve 6 Check and fix the Check if the elements and front plate wires are connected correctly eAfter that cover both sides of the front plate and fix nuts
90. the thickness requirements If not the condensing water is easy to attach on thermal insulation pipe and finally drips The thickness requirements are shown below Refrigerant Pipe mm Outer Dia x Thickness 6 35 0 5 gt 10 9 52 0 71 gt 10 12 7 1 gt 15 15 9 1 gt 15 19 05 1 gt 15 22 2 1 5 220 25 4 1 5 220 28 6 1 5 220 34 9 1 5 220 Wrap the refrigerant pipe according to required thickness The clearance between thermal insulation pipes shall be sealed with self adhesive sticker Wrap the thermal insulation pipes with tapes thus to extend their ageing time 2 Thermal Insulation of Branch Pipe Each branch pipe is provided with foam Wrap the branch with the included foam The upper and lower foam shall be sealed with self adhesive sticker All the sections with or without foam shall be wrapped by using thermal insulation pipe The butt connection between foam and thermal insulation pipe shall be sealed with self adhesive sticker 151 MODULAR D C INVERTER MULTI INSTALLATION Lower foam of thermal Upper foam of thermal l insulation insulation 3 Cautions The thermal insulation materials shall be able to withstand the pipe temperature For heat pump unit it is required to withstand a temperature not lower than 70 C on liquid pipe side and not lower than 120 C on gas pipe side For cooling only unit it is required to with
91. volume as specified on the engineering drawing Leakage detection under pressure Add refrigerant Open the valve of outdoor unit Commissioning of complete unit Remarks 1 Described above are general working procedures The procedures might vary with the site conditions 2 For detailed installation rules please see the description in each chapter 105 MODULAR D C INVERTER MULTI 2 FLOW CHART OF INSTALLATION Design Kicking off Material selection Inspection of site installation position INSTALLATION Installation of indoor unit Installation of connection pipes Welding of remote control Thermal insulation MV Connection of indoor unit and outdoor unit Purge and make leakage detection under pressure Test run of indoor unit Air flow and noise level inspection Address dial code Leakage detection under pressure Vacuuming Add refrigerant V Installation of outdoor unit Connection of indoor unit and outdoor unit Connection of power cables Open the valve Commissioning of complete unit As built Drawing Delivery of the Operating Instructions 106 MODULAR D C INVERTER MULTI INSTALLATION 3 INSTALLATION OF OUTDOOR UNIT 3 1 Hoisting of Unit Transport the unit to a place as close as possible to the installin
92. 0 1 10 1 0 1 0 11 1 0 1 1 12 1 1 0 0 13 1 1 0 1 14 1 1 1 0 15 1 1 1 1 16 Example 1 If the dial value is 0111 this represents that the serial number is 8 the pins 1 2 amp 3 of the dial switch are dialed to the opposite end of ON and the pin 4 is dialed to Example 2 If the dial value is 1010 this represents that the address is 11 the pins 2 amp 4 of the dial switch are dialed to the numerical end and the pin 1 amp 3 are dialed to ON See below 169 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI VRF Address 8 dial up value 0111 Address 8 dial up value 1010 2 Capacity Code On the mainboard of indoor unit two 4 bit DIP switches are used to distribute the address and capacity of indoor units The 4 bit DIP switch marked with capacity below used for setting the capacity of indoor units is factory set before shipment of indoor unit while it is covered by sealant so that it cannot be changed by the user x Below is factory default setting qa capacity The default Capacity dial up is the maximum capacity of indoor unit As shown above the capacity is See above for the lever position Dial up Value The dial up value of capacity code is set in binary system The dial up value is 0 when the lever is dialed to ON end the dial up is 1 when the lever is dialed to numerical end on opposite side
93. 0 10 Series Automatic Swing Control The wall mount series and the cassette series indoor units have swing function Using swing function can increase air convection indoors to increase the uniformity of the indoor temperature Reset When the unit is powered on for the first time the swing louvers will swing automatically once to let the swing louver return to the initial position thus the correctness of the swing louver action is ensured Using the keys on the indoor unit to turn on the unit When using the keys on the indoor unit to turn on the unit the default automatic swing will be started and the swing louvers swing back and forth from the maximum location and the minimum location for different modes the maximum locations and the minimum locations are different Using wire controller or remote controller to control When using the wire controller or the remote controller to turn on the unit and the automatic swing signal is not set then the swing louvers will stop at the default position when the unit is turned on for different modes the default locations are different If the automatic swing signal is set when the unit is turned on the automatic swing will be started and the swing louvers swing back and forth from the maximum location and the minimum location for different modes the maximum locations and the minimum locations are different Cooling Dehumidifying Fan Motor Modes Heating Modes When the
94. 01 1 0713411201 1 INV R56 71 80T Na K INVL R56 71 80T Na K NO Name Coding Qty Coding Qty 1 Tube Exit Plate 01382711 1 01382711 1 2 Body Fixed Plate 01332701 4 01332701 4 3 Front Side Plate 01302718 1 01302718 1 4 Left Side Plate 01302715 1 01302715 1 5 Base Plate 01222702 1 01222702 1 6 Rear Side Plate 01302714 1 01302714 1 7 Bottom Foam 52012711 1 52012711 1 8 Motor Gasket 76712711 3 76712711 3 9 Bolt 70212701 3 70212701 3 10 Motor Fixer 01702701 1 01702701 1 11 Fan Motor 15704102 1 15704102 1 12 Centrifugal Fan 10312705 1 10312705 1 13 Evaporator Connection 01072710 1 01072710 1 14 Cable cross Loop 76513101 2 76513101 2 15 shunt 07228806 1 07228806 1 16 Water Tray 12412701 1 12412701 1 17 Screw 70140032 4 70140032 4 18 Electric Box Base Plate 01412721 1 01412721 1 19 Flow Guide Loop 10372701 1 10372701 1 20 Electric Box 20102701 1 20102701 1 21 Wire Clamp 71010102 4 71010102 4 22 Terminal Board T360B 42011222 1 42011222 1 23 Transformer 43110233 1 43110233 1 24 Electric Box Cover I 20102702 1 20102702 1 25 Electric Box Cover II 20102703 1 20102703 1 26 Main Board 30226316 1 30226316 1 27 Capacitor 33010010 1 33010010 1 28 Rubber plug 76712701 1 76712701 1 29 Evaporator 01004641 1 01004641 1 30 Evaporator Support 01072715 2 01072715 2 31 Nut with Washer M6 70310012 1 703100
95. 0Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 225 0 225 0 225 Fan Motor Running Current A 2 14 2 14 2 14 mm 915 9 915 9 915 9 Gas Pipe inch 95 8 95 8 95 8 2 mm 99 52 9 52 9 52 pes Liquid Pipe inch 93 8 93 8 93 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness adel iul quus Uiit Dimensions 1385x736x300 1385x736x300 1385x736x300 WxDxH un 1514 795 360 1514 795 360 1514 795 360 WxDxH ee Weight Net Gross kg 75 79 75 79 75 79 Notes 7 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 30 MODULAR D C INVERTER MULTI VRF PRODUCT WxDxH Weight Net Gross 75 79 Model INV L R125P Na K INV L R140P Na K INV L R224P Na K kW 12 5 14 0 22 4 Cooling Capacity Btu 42652 47770 76432 kW 13 5 15 0 25 0 Heating Capacity Btu 46060 51180 85304 m3 h 2000 2000 4000 Air Flow Rate CFM 1177 1177 2354 Sound P
96. 1 17 Cover of Air in 01258614 1 18 Water Tray Assy 01278612 1 19 Right Side Plate Sub assy 01308677 1 20 Hook 02118504 2 21 Left Support of Evaporator 01078604 1 22 Air inlet Sub assy 01498612 1 4 INV L R90P Na K INV L R100P Na K INV L R112P Na K INV L R125P Na K INV L R140P Na K Exploded diagram and list of components INV L R90P Na K INV L R100P Na K INV L R112P Na K INV L R125P Na K NO Name INV L R140P Na K Coding Qty 1 Top Cover Sub assy 01258606 1 2 Hook 02118504 2 3 Left Side Seal hole Plate Sub assy 01308673 1 4 Seal of Connection Pipe 01498601 1 5 Electric Box Assy 01394602 1 6 Left Side Plate Sub assy 01308676 1 7 Left Support of Evaporator 01078603 1 8 Liquid entered Pipe Sub assy 03338802 1 9 Collect Gas Pipe Sub assy 04674608 1 10 Evaporator Sub assy 01038624 1 11 Fan Fixed Plate Sub assy 01338630 1 12 Motor FG75B 15018613 13 Fan Motor Left S YP 200 190J 1 15018603 2 14 Air inlet side board Sub assy 01499066 1 15 Motor FG150B 15018612 1 16 Fan motor Right SYP 200 190J 1 15018604 1 17 Bottom Cover Assy 01258603 1 18 Cover of Air in 01258602 1 19 Water Tray Assy 01278603 1 20 Right Side Plate Sub assy 01308677 1 21 Hook 02118504 2 22 Left Support of Evaporator 01078604 1 23 Air inlet Sub assy 01498608 1 5 2 3 Exploded diagram of wall mounted unit and list of components 1 INV L R22G NaB K IN
97. 1 4 20 5 15 30 N m 93 8 gt 0 71 30 40 N m 01 2 gt 1 45 50 N m 95 8 gt 1 60 65 N m 03 4 gt 1 70 75 N m e Drainage hose 1 Install the drain hose The diameter of the drain hose should be equal or bigger than the connection pipe s The diameter of polythene pipe Outer diameter 25mm Surface thickness gt 1 5mm Drain hose should be short and drooping gradient should at less 1 100 to prevent the formation of air bubble x f drain hose cannot has enough drooping gradient drain raising pipe should be added To prevent bent of the drain hose the distance between hoisting stand should is 1 to 1 5m Correct 1 100 or more gradient x wrong Use the drain hose and clamp attached Insert the drain hose to the drain vent and then tighten the clamp Entwine the big sponge on the clamp of drain hose to insulate heat 122 MODULAR D C INVERTER MULTI INSTALLATION Heat insulation should be done to indoor Sponge attachment drain hose Drain stepup pipe note Clamp Clamp attachmen 2 71 The install height of the drain raising pipe H4 should less than 280mm
98. 1 MPa for temperature change of 190 if pressure drop is not more than 0 02MPa within 24h the system will be eligible For example nitrogen is filled to reach 2 5MPa at 30 after 24 hours when temperature becomes 25 the system will be eligible if pressure is over 2 43 MPa and ineligible below 2 43 MPa gt lt If ineligible leak sources must be located After leak sources are found re welding or repair welding is necessary Then the above procedures shall be repeated Nitrogen is filled pressurized and maintained until pressure drop remains within required range Leak check Check 1 When pressure drop is found leak hunting shall be performed in the ways as follows a By ears to listen voices related to leakage b By hands to sense whether leakage is existent at connecting parts Check 2 If no leakage is found using the above methods nitrogen shall be discharged and refrigerant shall be filled in to reach 0 5MPa a By soap and water soap bubbles will show leakage positions if any b Detector such as halide detector can be used for leak hunting Using the above methods check all possible leak sources If leakage still fails to be located sectional check shall be taken for refrigerant piping that would be divided into multiple check portions for locating leak source in a certain section 2 Pressure maintaining and leak hunting of the system with refrigerant piping in connection with 150 MODU
99. 12 1 32 Bolt subassembly 70210051 1 70210051 1 33 Pipe Pump PJV 1415 43130324 1 43130324 1 34 Pump Gasket 76712702 3 76712702 3 35 Pump Support 01332001 1 01332001 1 36 Water Level Switch 45010201 1 45010201 1 37 Drainage Pipe Pump 05232721 1 05232721 1 38 Right Side Plate 01302716 1 01302716 1 39 Cable cross Loop 76512702 1 76512702 1 40 Pump Cover 01252711 1 01252711 1 41 Bolt 70212701 3 70212701 3 42 Electronic Expansive Valve 0713411401 1 0713411401 1 2 INV L R90T Na K INV L R112T Na K INV L R125T Na K Exploded diagram and list of components VE 2 INV R90 112 125 Na K INVL R90 112 125 Na K Coding Qty Coding Qty 1 Tube Exit Plate 01382711 1 01382711 1 2 Body Fixed Plate 01332701 4 01332701 4 3 Front Side Plate 01302713 1 01302713 1 4 Left Side Plate 701302711 1 701302711 1 5 Base Plate 01222702 1 01222702 1 6 Rear Side Plate 01302709 1 01302709 1 7 Bottom Foam 52012717 1 52012717 1 8 Motor Gasket 76712711 3 76712711 3 9 Bolt 70212701 3 70212701 3 10 Motor Fixer 01702701 1 01702701 1 11 Fan Motor 15704103 1 15704103 1 12 Centrifugal Fan 10310101 1 10310101 1 13 Evaporator Connection 01072733 1 01072733 1 14 Cable cross Loop 76512702 2 76512702 2 15 shunt 07228804 1 07228804 1 16 Electronic Expansive Valve 707334102 1 707334102 1 17 Water
100. 12 5 Cooling Capacity Btu 38216 42652 kW 12 5 13 5 Heating Capacity Btu 42652 46064 m3 h 2200 2300 Air Flow Rate CFM 1295 1354 Sound Pressure Level H L dB A 54 55 External Static Pressure Pa 0 0 Power Supply 220 240V 50Hz 220 240V 50Hz Output kW 0 18 0 18 Fan Motor Running Current A 1 8 1 8 mm 015 9 015 9 Gas Pipe inch 5 8 5 8 Connecting mm 09 52 09 52 Pipes inch 3 8 3 8 Connection Method Flare Connection Flare Connection Drain Pipes External Dia x Thickness mm 17 1 75 17 1 75 Unit Dimensions WxDxH mm 1590x238x695 1590x238x695 Package Dimensions WxDxH mm 1714x330x830 1714x330x830 Weight Net Gross kg 44 53 44 53 Notes 7 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 4 3 Operation Range Range of Outdoor Temperature C F CT 46 MODULAR D C INVERTER MULTI 5 PIPING DIAGRAM PRODUCT 1 compressor 18 High pressure sensor 2 D C Inverter Scroll
101. 1670 D C Inverter Scroll type compressor D C Inverter Scroll type constant speed scroll compressorx1 compressor teonstant speed Compressor compressorx1 D C Inverter D C Inverter Scroll type compressor constant speed scroll compressorx2 Scroll type compressor constant speed scroll compressorx2 Water proof level 24 24 Climate type mm 034 9 034 9 Gas pipe Inch 11 8 11 8 g E mm 015 9 19 05 S 5 Liquid pipe Inch 5 8 3 4 8 pipe Inch 1 2 1 2 Connecting mode Brazing Connectio Brazing Connection Net weight kg 255 350 255 370 Recemmended mm xpe 6 0 5 10 0 5 6 0x5 10 0x5 power cord Note The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required
102. 1700W4 NaB M ps 160 40240440440 50 0 10 0 10 0 10 0 10 0 380V 3N 62 INV Pdm1750W4 NaB M un 160 40240440440 50 0 10 0 10 0 10 0 10 0 64 INV Pdm1800W4 NaB M 2 160 40 40 40 40 50 0 10 0 10 0 10 0 10 0 167 MODULAR D C INVERTER MULTI VRF INSTALLATION 9 3 Wiring Sketch Map Wiring Sketch Map between Outdoor Unit 1 2 N maximum 4 outdoor unit outdoor unit outdoor unit a Machine unit Machine unit electric box electric box Machine unit Ol Ji a electric box 4 2 Terminal E E rower LIL2L3N 7 board Z Terminal supply Main power Main power board 13N 380v supply wiring _ supply wiring Mai 50Hz oF AA board Communic oar cu a power 6 Lite 3n Adaptor ation wire l Adaptor supply wiring basm Dat S ge board dsl LiL2L3N Adaptor CNI E board Communication wire iTo 1 indoor unit of Group 1 Communication wire To 2 indoor unit of Group 1 Communicatio E wire ay To N indoor unit of Group 1 The part with dotted line is for the on site wiring of the customer The power wire diameter and the other specific parameter please see the installation manual The mainboard of outdoor units include the
103. 2 25 current Heating A 24 85 24 85 13 76 13 44 20 02 Dimension mm 1340x770x1670 930 770 1670 930x770x1670 WxDxH 1340 770 1670 1340 770 1670 D C Inverter Scroll type compressor D C Inverter Scroll type compressor 2 oe 4 constant speed scroll compressorx2 P p iu d D C Inverter Scroll type compressor constant speed scroll compressor x2 Water proof level 24 24 Climate type mm 034 9 034 9 2 Inch 11 8 11 8 a mm 19 05 19 05 Liquid pipe E Inch 3 4 3 4 pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 3704370 25542554350 2 Reece 10 0x5 10 0x5 6 0 5 6 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit
104. 3 Installation Dimension 97 MODULAR D C INVERTER MULTI 4 Installation Criteria CONTROL It must be installed indoors to avoid knock insolation or rainwater and is better to be put in centralized control cabinet This device must be the original one in the factory Never self buy the models for replacement 220 V AC socket must be installed for independent power supply 12 30VDC 800mA Power supply specification 127 30VDC 800mA 1 3 Communication Module standard parts 44448 49884 4 4844 1 Function Introduction Power indicator red will light after electrifying Communication indicator green will light during communication ON OFF button ineffective briefly is reserved Communication module is used for conversion and transfer of signal of PC and air conditioner during the communication of them making the role of communication controller Refer to User Instruction to Communication Module for details 2 Dimension Description L mm W mm H mm Communication module 150 102 30 98 MODULAR D C INVERTER MULTI CONTROL 4 ae CD 3 Installation Dimension Description Distance to top side mm Diameter mm Hanging Hole 35 5 4 Use Instruction to Communication M
105. 4 MODULAR D C INVERTER MULTI CONTROL under the status of ambient temp sensor failure the signal of ambient temp sensor failure is removed and the indoor unit resumes the original operating status Evaporator Tube Temp Sensor When it is detected that the evaporator tube temperature is continuously lower than 30 C for 1 minute or is continuously higher than 100 C for 1 minutes the signal of evaporator tube temp sensor failure is sent and the indoor unit stops operation because of the abnormality If it is detected that the evaporator tube temperature is continuously larger than 20 C but lower than 100 C for 1 minute under the status of evaporator tube temp sensor failure the signal of evaporator tube temp sensor failure is removed and the indoor unit resumes the original operating status the detection time is not counted Failure Type Failure Code Indoor Ambient Temp Sensor Failure FO Indoor Inlet Pipe Temp Sensor Failure Fl Indoor Intermediate Pipe Temp Sensor Failure F2 Indoor Outlet Pipe Temp Sensor Failure F2 Upper Limit Value Temperature Lower Limit Value Failure Failure Is Arises Removed Temp Sensor 65 MODULAR D C INVERTER MULTI 2 WIRELESS REMOTE CONTROLLER NOTE e Make sure that there is no obstruction between the remote control and the signal recept
106. 70 1670 Dimension mm 1340 770 1670 1340 770 1670 WxDxH 1340 770 1670 1340 770 1670 1340 770 1670 1340 770 1670 D C Inverter Scroll type D C Inverter Scroll type compressor lt 1 constant speed compressor x1 constant speed scroll Compressor scroll compressor com S pressor x2 x4 x2 x4 Water proof level 24 24 Climate type mm 054 1 054 1 Gas pipe Inch 17 8 17 8 5 mm 25 4 25 4 S PM 9 Liquid pipe Inch 1 1 S B mm 127 127 Oil equalizing pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 350 370 370 370 350 370 370 370 Recommended power cord mm xpc 100 5 100 5 100 5 100 5 100 5 100 5 100 5 100 5 Note a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If stat
107. 704106 1 13 Motor support sub assy 01324180P 1 14 Liquid branch circuit valve sub assy 2 04634234 1 15 4 way valve sub assy 04144160 1 16 Suction pipe sub assy 1 04674172 1 17 Liquid branch circuit valve sub assy 1 04634233 1 18 Liquid gas separator 07424132 1 19 Oil return pipe sub assy 04324739 1 20 Oil return pipe sub assy Support 01804321P 1 21 Compressor and it s fittings E405 DHD 38D2Y 00204116 1 22 Lower panel sub assy 01194134 1 23 Compressor fixing support sub assy 01324223P 2 24 Oil separator 07424129 1 25 Localizer 02244101 8 26 Oil equalizing pipe sub assy 06114145 1 27 2 fittings 99071264 2 28 Low pressure measure valve 06114146 1 29 Support 01804325P 2 30 Cut off valve sub assy 1 07334330 1 31 Electrical expansion vavle sub assy 07334228 1 32 Electromagnetism vavle sub assy 43044120 1 33 Liquid receiver 07424114 1 34 Handle apricot ash 26235253 2 35 Back grill 01238740 1 36 Panel Front 01543243P 1 37 Fixing support sub assy 3 01313259P 1 38 Sustain lengthways girder 01894156P 1 39 Sustain transverse girder sub assy 01874132P 1 40 Lower seat transverse girder 01874115P 41 Package wooden base 51094102 42 Lower seat lengthways girder sub assy 01874137P 43 Cover of electrical box 01424136P 44 Terminal board 2 8 42011103 45 Main Board WZCB31 30220025 46 Main Board ZQ86 30228606 47 Radiator SRX11D250 49010605 48 Radiator 49018761 49 Main Board
108. 80 50Hz 95540 INVL R280P Na M MODULAR D C INVERTER MULTI VRF PRODUCT Capacity Power Model Cooling Heating Ref Supply Appearance Btu h Btu h INV R22P NaB K 8530 7507 INVL R22P NaB K INV R25P NaB K 10236 8530 INVL R25P NaB K INV R28P NaB K 10918 9554 INVL R28P NaB K INV R36P NaB K 13648 12284 INVL R36P NaB K INV R45P NaB K 17060 15355 INVL R45P NaB K raoa 220v INV R56P NaB K 21496 19108 INVL R56P NaB K INV R71P NaB K 27296 24226 INVL R71P NaB K INV R90P NaB K 34120 30709 INVL R90P NaB K INV R112P NaB K 42650 38216 INVL R112P NaB K INV R140P NaB K 51180 47770 INVL R140P NaB K MODULAR D C INVERTER MULTI VRF PRODUCT 1 2 2 Cassette type Capacity Power Model Cooling Heating Ref Supply Appearance Btu h Btu h INV R28T Na K 10900 9550 INVL R28T Na K INV R36T Na K 13650 12280 INVL R36T Na K INV R45T Na K 17060 15360 INVL R45T Na K INV R50T Na K 19790 17060 INVL RSOT Na K 220 gue INV R56T Na K 21500 7 19100 INVL R56T Na K INV R71T Na K 27300 24230 INVL R71T Na K INV R90T Na K 34120 30700 INVL R90T Na K INV R112T Na K 42650 38210 INVL R112T Na K
109. 8D88 07334193 Magnet Coil for EXV 430001087 Display Board Z63351F 30296309 3 INV L R90Zd Na K INV L R112Zd Na K INV L R125Zd Na K Exploded diagram and list of components 1 2 3 4 Pi Bs 39 10 11 12 13 14 15 16 17 18 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI VRF INV L R71Zd Na K NO Name Qty Left Decoration Plate 7 Right Decoration Plate 9 tefi Swing Motor Fixer 26133008 Auxiliary Water Tray 19 Pipe Clip 70812001 mE 21 Handle 26232001 23 Right FixingPate oaa P 24 Supportof Motor Bearing 2 5 Fixer of Motor Support fo ooo 26 Right Decoration Panel f o smo 010 o8 BlectrioBox St 29 WireBase 01 3 WireClamp 0 10 pe qu T 1 32 Fusesarsovac 01 3 1 34 Bearing 02 40 Capacitor ce i Ze 10 11 12 13 14 15 16 17 8 1 ele nj ele 15012404 4 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI VRF 4 1 1 1 1 1 1 i z x i EXV sub assy 07334256 o 68 69 250 3 07334195 1 Magnet Coil for EXV 43000110 1 Fix sub assy 2 01324110P 1 1 Capacitance Djs only used INV L R90Zd Na K 2 Capacitance is only used in INV L R112Zd Na K INV L
110. 9 45 Capillary sub assy Oil return 04104152 46 Compressor and it s fittings E405 DHD 38D2Y 00204116 47 Lower panel sub assy 01194132P 48 Discharge pipe sub assy 04634222 49 Panel Front 2 01544117P 50 Netted mantle 01574102 51 Lower seat sub assy 01284141 5 2 Indoor Unit 5 2 1 Exploede diagram of Casstte and list of components C12 INV L R28T Na K INV L R36T Na K INV L R45T Na K INV L R50T Na K INV L R56T Na K INV L R71T Na K INV L R80T Na K IN 42 M 3 4 2 bee NO Name INV R28T Na K INVL R28T Na K INV R36T Na K INVL R36T Na K Coding Qty Coding Qty 1 Tube Exit Plate 01382710 1 01382710 1 2 Body Fixed Plate 01332701 4 01332701 4 3 Front Side Plate 01302717 1 01302717 1 4 Left Side Plate 01302740 1 01302740 1 5 Base Plate 01222702 1 01222702 1 6 Rear Side Plate 01302719 1 01302719 1 7 Bottom Foam 52012716 1 52012716 1 8 Motor Gasket 76712711 3 76712711 3 9 Bolt 70212701 3 70212701 3 10 Motor Fixer 01702701 1 01702701 1 11 Fan Motor 15704901 1 15704901 1 12 Centrifugal Fan 10312721 1 10312721 1 13 Evaporator Connection 01072004 1 01072004 1 14 Cable cross Loop 76513101 2 76513101 2 15 shunt 072287842 1 072287842 1 16 Water Tray 12412701 1 12412701 1 17 Screw 70140032 4 70140032 4 18 Electric Box Base P
111. 9 52 gt 0 8 28 6 gt 1 5 12 7 gt 34 9 gt 1 5 15 9 gt 41 3 gt 2 0 19 05 21 44 5 gt 2 0 22 2 gt 1 5 54 1 gt 2 0 5 2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor Units Outdoor unit Le The 1 y branch section LS ADL Equivalent length of farthest pipe L The equivalent length of the farthest pipe from the 15 branch L L8 L7 L6 Height difference between indoor unit and outdoor unit H Height difference between indoor units H e Indoor unit The equivalent length is 0 5m for each Y type branch pipe 5 2 1 For outdoor unit with total rated capacity more than or equal to 60 0kW See the above picture for the piping methods Allowable m ft DN valie Fitting pipe Total length actual length of fitting pipe 500 1640 Li Lo L L4 Lgta b i Actual length 500 1640 Length of the furthest fitting pipe Li Ls Le tL7 L7 Lai Equivalent length 175 574 Equivalent length of fitting pipe from the 1 branch joint to farthest indoor unit L Height differences between Outdoor 0161 indoor unit and outdoor unit Outdoor unitat lower 40 131 Height differences between indoor units 15 49 133 MODULAR D C INVERTER MULTI INSTALLATION 5 2 2 For outdoor u
112. Air Speed Grade For Heating Linge Wind The switch under the automatic air speed grade is inspected to be once every 30 seconds 61 MODULAR D C INVERTER MULTI CONTROL 4 If the indoor fan motor stops before the fan motor will start compulsory operation under high air speed grade for 8 seconds and then operates under set air speed d Operation of Preventing Cold Air When the indoor unit has capacity demand the indoor fan motor will be compulsorily turned to close status and operate under the following conditions If the evaporator temperature teyaporator Of the indoor unit reaches the threshold Ty evaporator the indoor fan motor will carry out compulsory operation under high air speed grade for 8 seconds and then operates under set air speed If the evaporator temperature teyaporator Of the indoor unit still does not reach the threshold T evaporator 1 minute later the indoor fan motor will carry out compulsory operation under high air speed grade for 8 seconds and then operates under set air speed Refer to the following figure Cold Air Prevention threshold Model Cassette and Air Duct Series Wall Mounted Unit Series Ty evaporator Table C Ty evaporator 35 Ty evaporator ich Ai T Evaporator Speed mim ress Set Air Speed Fan Motor Stops 60s Ty evaporator Hin Air Evaporator Speed Grade Set Air Speed 60s T
113. BE axe o O YEGN A X3 20RD howe CN2 22Bk PIBK 21 20 communication wire CN7 CN11 CN10 i Environment CN15 E 9 0 iens FUSE 50T 3 15A 250 ONIS EX Tempsensor communication wire CN16 eL Out AP1 2 yay RT ITempsensor AP DT 4 CN17 PCB eNt3 LI I3 Mid RTS Tempsensor CN9 Manual Panel as CN3 CNS enie OFT Y Y Y RM empsensor 1931 OGCBUYEBKRU y TC 3KIRI C W a Evaporator 17YEGN m WH A VEN T AD K D eM d US Bo 2 61414399 Ne INV R22G NaB K INVL R22G NaB K INV R28G NaB K INVL R28G NaB K INV R36G NaB K INVL R36G NaB K INV R45G NaB K INVL R45G NaB K INV R50G NaB K INV R56G NaB K INVL R50G NaB K INVL R56G NaB K UN POWER 220 230 240V 50Hz EKV UAE n Middle Out XT emp Temp Temp Temp 53 Sensor Sensor SHA Sensor MEN 1BU NO 1 9 F mH RA T2 A L 7BN e T T T
114. For number 4 1 on the capacity code the dial up 4 refers to high bit and the dial up 1 refers to low bit Dial up Table 4 bit Dial up Switch 4 bit 3 bit 2 bit 1 bit Capacity 0 0 0 0 20 0 0 0 1 25 0 0 1 0 30 0 0 1 1 35 0 1 0 0 40 0 1 0 1 45 0 1 1 0 50 0 1 1 1 60 1 0 0 0 224 1 0 0 1 70 1 0 1 0 80 1 0 1 1 90 1 1 0 0 100 1 1 0 1 112 1 1 1 0 140 1 1 1 1 280 9 4 2 Multi Connected outdoor units dial up of the modularization DC frequency conversion 1 Capacity dial up The dial up of the module capacity is the SW1 four digit switch on the mainboard Factory set according to model and no need to change See the right table for the dial up method Dial up switch Capacity of the 4 3 2 1 outdoor units module 0 0 0 0 22 4Kw 0 0 1 1 28Kw 0 1 0 1 33 5 Kw 0 1 1 1 40 Kw 1 0 0 0 45 Kw 1 0 0 1 50 4 Kw 0 ON Position 2 Address dial code yx dial up position of the module outdoor units address is the SW2 2 bit switch with highest 4 module units installation please refer to the dial up description for the module outdoor units address it is required that the module transfer address dial up code is in conformity In addition make sure that only one module dial up address is 00 thus to 170 INVENTOR COMMERCIAL AIR CONDITION MULTI VRF meet the normal operating of the units
115. Gas Pipe T inc 1 2 1 2 5 8 96 35 96 35 99 52 Liquid Pipe inch 1 4 91 4 93 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes CExternal Dia x Thickness eT 30 1 5 ORR moe Unit Dimensions mm 980x736x266 980x736x266 1112x756x300 WxDxH PackageDimensions mm 1068 766 320 1068 766 320 1245 785 360 WxDxH Weight Net Gross kg 36 39 36 39 55 59 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher actual operation 28 MODULAR D C INVERTER MULTI VRF PRODUCT Model INV L R63P Na K INV L R71P Na K INV L R80P Na K kW 6 3 7 1 8 0 Cooling Capacity Btu 21496 24226 27297 kW 7 0 8 0 8 8 Heating Capacity Btu 23884 27296 30026 m3 h 1400 1400 1400 Air Flow Rate CFM 824 824 824 Sound Pressure Level H L dB A 42 38 42 38 42 38 External Static Pressure Pa 100 100 100 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 15 0 15 0 15 F
116. I VRF PRODUCT Model INV L R50T Na K INV L R56T Na K INV L R71T Na K kW 5 0 5 6 7 1 Cooling Capacity Btu 17060 19100 24230 kW 5 8 6 3 8 0 Heating Capacity Btu 19790 21500 27300 m3 h 680 1180 1180 Air Flow Rate CFM 400 695 695 Sound Pressure Level H L dB A 37 34 39 35 39 35 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 035 0 035 0 035 Fan Motor Running Current A 0 28 0 28 0 28 mm 012 7 015 9 015 9 Gas Pipe inch 01 2 05 8 05 8 422 06 35 09 52 09 52 apes Liquid Pipe inch 1 4 03 8 03 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness ee oe Unit Dimensions mm 840 840 190 840 840 240 840 840 240 Package Dimensions WxDxH 950 950 60 950 950 60 950 950 60 Weight Net Gross 25 31 5 30 36 5 30 36 5 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 37 MODULAR D C INVERTER MULTI VRF PRODUCT
117. INV L R80G Na K NO Name Coding Qty M A 8 9 20 Electric Box Cover 20102252 1 10582007 22 Wire Clamp 71010103 1 Terminal Board T4B3A 24 Electric Box Cover Min PCB Transformer 48X26G 28 Tube Sensor Sensor Insert Electric Box Lower Shield of Electric Box Upper Shield of Electric Box Stepping Motor MP24GA Evaporator Support Crihgt Motor Clamp Motor EN26D Fixer evaporator Pipe Clamp Signal Cable Connecting Wire w 3 5 INV L R22G NaC K INV L R28G NaC K Exploded diagram and list of components 19 1 i d 1 i LI L Wu i Hiii zi 346 INV L R22G NaC K INV L R28G NaC K NO Name 0 o 2 jReCs 220x02 1 25 Bvaporatorassy 30 4 jGesFowFan 5 jOGakeorCrsFanBewing on Drainpie 1 O Se fe fe 2 fe fe COo mem te 1
118. INVENTOR INV VRF SYSTEMS D C INVERTER MULTI VRF INV Pdm Service Manual O inventor our conditions CONTENTS PRODUCT eee eee INI NH EFI ERIS 2 DLMODELES EIST 5 5 hte hast eee dm te reste Qa rau eR 2 I 1 Outdoor a ta tems 2 eat nx coment tm ttp 4 2NOMENCEXTURE rte retten drerit eed oc detis 9 2 1 Nomenclature of Outdoor Unit essre a a a e 9 2 2 Nomenclature of Indoor Unit 0 0 0 a ine eela iaie a Ee N aen 9 J FUNCTION a E EAE E T 10 4PRODUCT DATA nr E ect ete ets EE OEE E EET 11 4L Product Data of Outdoor 4 Mik lati at ect e etu 4 2 Product Data of Mdi nian Teta ees 26 4 3 Operation Range dict dti Cn sR a HE OR USC C UE 46 5 PIPING DIAGRAM nee eee ettet atv o HIC 47 DT 49 1TCONTROL OF THE UNIT 5 5 reti erus Ced teur TORRE d Rue den 49 1 1 Concept of Integral Control of the 49 1 2 Operation Flow Chart of the Unit eee ee ttn 51 1 3 Control Functions of the nee etit DO Dan ET bea to Ua 57 2 WIRELESS REMOTE CONTROLLER eere enne etre nennt enne 66 3 WIRED REMOTE
119. J M 2 INV R22G NaC K INV R28G NaC K INV R36G NaC K INV R45G NaC K INVL R22G NaC K INVL R28G NaC K INVL R36G NaC K INVL R45G NaC K 4 POWER 220 230 240V 50Hz EKV ee In Middle Out s emp Temp Temp Temp Sensor Sensor Sensor MI 1BU N 1 779 is FA L yen 1 X4 lt 3 we i 5 2 YE CN e CN6 7 8 CNI9 CN20 C 2 Evaporator A D CN2 pp AP2 gt CN12 CN14 w4 E CN13 x Signal Wires X1 M Signal Wires x W3 2 NOTE The wires 3 4 must be removed in installation C Stepping Moto 65674009 Ne 201 MODULAR D C INVERTER MULTI MAINTENANCE
120. LAR D C INVERTER MULTI INSTALLATION indoor unit and outdoor unit When refrigerant piping is to be installed pressure maintaining and leak hunting is required for the piping After refrigerant piping is in connection with indoor unit and outdoor unit pressure maintaining and leak hunting is also required The purpose of the test is to check whether any leak is existent at threaded connection of indoor unit and outdoor unit and at new welded points Steps Nitrogen is charged to reach 2 5MPa and remains at the pressure for 24h nitrogen shall be filled from refrigerant filling nozzles at the big valve as well as the small valve using a pressure gauge during pressure maintaining after nitrogen is charged the pressure gauge shall not be dismantled Observe whether pressure changes in 24 hours for eligibility criteria see pressure maintaining and leak hunting of refrigerant piping in 5 5 2 any leakage please check threaded connections and new welded spots of indoor unit and outdoor unit Repair welding shall be performed immediately Afterwards pressure maintaining is repeated until eligibility is reached 6 10 Heat Preservation of Refrigerant Piping 1 Connection of thermal insulation pipe Carry out thermal insulation to the refrigerant pipe after confirming that it has no leakage Please perform thermal insulation to the refrigerant pipe according to the steps below Check if the thermal insulation pipe has met
121. M INV Pdm280W NaB M Model Single unit INV Pdm400W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M Cooling capacity kW 113 0 118 0 Heating capacity kW 126 5 131 5 Sound Pressure Level dB A 64 64 R410A charge amount kg 13 16 17 13 17 17 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 12 45 14 32 7 52 14 32 14 32 power Heating kW 7 70 11 2 13 90 7 70 13 90 13 90 Rated Cooling A 13 44 22 25 25 60 13 44 25 60 25 60 urren Heating A 13 76 20 02 24 85 13 76 24 85 24 85 Dimension mm 930 770 1670 1340 770 1670 2 WxDxH 1340 770 1670 1340 770 1670 D C Inverter Scroll type compressor compressor constant speed scroll constant speed scroll compressor oti Compressor D C Inverter Scroll type compressor n d scroll 2 D C Inverter Scroll type Constant speed Sro A COmpPrESSOrS compressor constant speed scroll x2 compressorx2 x2 Water proof level IP24 IP24 Climate type T1 T1 mm 41 3 41 3 Inch 13 8 13 8 g E mm 019 05 19 05 5 Liquid pipe 2 Inch 3 4 3 4 mm 127 12 7 E Oil equalizing pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 25543504370 25543704370 Power mm xpe 6 0 5 10 0 5 10 0 5 6 0 5 10 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the
122. MODULAR D C INVERTER MULTI PRODUCT Model INV L R71G Na K INV L R80G Na K kW 7 1 8 0 Cooling Capacity Btu 24226 27297 kW 8 0 9 0 Heating Capacity Btu 27297 30709 m3 h 1200 1200 Air Flow Rate CFM 706 706 Sound Pressure Level H L dB A 49 42 49 42 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz Output kW 0 026 0 026 Fan Motor Running Current A 0 29 0 39 mm 15 9 15 9 Gas Pipe inch 05 8 05 8 eee mm 9 52 9 52 pes Liquid Pipe inch 03 8 03 8 Connection Method Flare Connection Flare Connection Drain Pipes External Dia x Thickness mm 30 1 5 30 1 5 Unit Dimensions WxDxH mm 1178x227x326 1178 227 326 Package Dimensions WxDxH mm 1365x417x333 1365x417x333 Weight Net Gross kg 17 5 23 17 5 23 Notes D The design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 43 MODULAR D C INVERTER MULTI PRODUCT 4 2 4Floor Ceiling Type
123. NSTALLATION Amount of refrigerant charge for every meter of liquid pipe kg m 22 2 19 05 15 9 12 7 9 52 6 35 0 35 0 25 0 17 0 11 0 054 0 022 Note Standard pipe length is 15m If refrigerant piping L is shorter than equal to 15m no additional refrigerant is needed If piping is longer than 15m based on liquid pipe more refrigerant shall be added The above table shows how much refrigerant shall be charged for every one additional meter of piping b Electronic balance shall be used for refrigerant charge c Thickness of pipe wall shall be 0 5 1 0mm and pressure bearing capability shall be 3 0MPa d The longer the piping the more refrigerating capacity and heating capacity shall be weakened 2 Steps of refrigerant charge are as follows a The connecting hose of refrigerant cylinder shall be connected to the connector of the pressure gauge The valve shall be opened to discharge air in the hose Then the high pressure end of the pressure gauge shall be connected to the refrigerant filling nozzle on the small valve of outdoor unit Pressure gauge connector valve Gas liquid _ Connector on gas side Refrigerant cylinder Connector on liquid side Spring balance b Open pressure gauge valve then fill liquid state refrigerant into the liquid pipe side until required amount is reached If refrigerant can not be charged in system unless the unit is turned on l
124. Na K INV L R36T Na K INV L R45T Na K kW 2 8 3 6 4 5 Cooling Capacity Btu 9550 12280 15360 kW 3 2 4 0 5 0 Heating Capacity Btu 10900 13650 17060 m3 h 680 680 680 Air Flow Rate CFM 400 400 400 Sound Pressure Level H L dB A 37 34 37 34 37 34 External Static Pressure Pa Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 035 0 035 0 035 Fan Motor Running Current A 0 19 0 19 0 28 mm 9 52 012 7 012 7 Gas Pipe inch 03 8 01 2 01 2 227 mm 06 35 06 35 06 35 1 inch 01 4 1 4 1 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes External Dia x Thickness oe 30 15 30 13 Unit Dimensions WxDxH mm 840 840 190 840 840 190 840 840 190 Package Dimensions WxDxH mm 950x950x60 950x950x60 950x950x60 Weight Net Gross kg 25 31 5 25 31 5 25 31 5 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 36 WxDxH MODULAR D C INVERTER MULT
125. ODULAR D C INVERTER MULTI INSTALLATION Protrusion di Twisting Em ur i Nec Do not immerse in water gt The extended section of drainage hose shall be wrapped with thermal insulation sheath when passing the room Thermal insulation of condensate pipe R Pipe cover Fig 3 41 After installation of the drainage pipe be sure to make water test and check if the water can be drained smoothly Drainage hose Drainage hose b After piping work check if the draining flow is smooth 8 4 Test for Condensate Pipe The water test for condensate pipe includes closed water test and drainage test The closed water test is focused on checking if the drainage pipe system is well sealed and if there is any leakage The drainage test is focused on checking if the drainage pipe system can drain water smoothly and thoroughly and ensuring that there is no water deposit except the specially designed water trap After connection of the drainage pipe is completed firstly carry out closed water test Seal the outlet of drainage pipe with adhesive tape or plug Then fill water into the drainage pipe system form indoor unit side Stop filling after ensuring that all the drainage pipes are filled with water After 24 hours check all the joints of water pipe for any leakage If any repair and reinstall If no leakage proceed to drainage test Remove the adhesive tape or plug from the drainage pipe Check the water tray and drainage p
126. Panel Front 2 01544117P 50 Netted mantle 01574102 51 Lower seat sub assy 01284141 INV Pdm400W NaB M exploded views INV Pdm400W NaB M parts list No Name of part Part code Quantity 1 Left side panel sub assy 01314143P 1 2 Condenser assy 01124165 1 3 Motor support 01324179P 4 4 Motor support sub assy 01324177P 2 5 Wind leaf 10358202 2 6 Leading cover VPd450 apricot ash 26904112 2 7 Motor SWB350A 15704105 2 8 Back cover plate 01264159P 1 9 Fixing support sub assy 3 01324175P 1 10 Fixing support sub assy 1 01324171P 1 11 Fixing support sub assy 2 01324173P 1 12 Panel Front shore 01894135P 2 13 Front cover plate 01264158P 1 14 Liquid receiver inlet 04324753 1 15 Liquid receiver 07228812 1 16 U Type Connection Pipe 05020152 1 17 Filter sub assy 07414126 1 18 4 way valve sub assy 04144164 1 19 Liquid branch circuit valve sub assy 3 07334326 1 20 Liquid branch circuit valve sub assy 2 07334325 1 21 Liquid branch circuit valve sub assy 1 07334324 1 22 Suction pipe sub assy 04674168 1 23 Liquid gas separator 07224477 1 24 Right side panel 01314138P 1 25 Panel Front 1 01544116P 1 26 Sustain lengthways girder 01874134P 1 27 Electrical box assy Left INV Pdm450W NaB N1 01394790 1 28 Cover of electrical box 2 01424187P 1 29 Sustain transverse girder sub assy 01324228P 1 30 Middle exist pole 01854107P 1
127. Please mount the included magnetic ring Yes Check if the outdoor unit No is electrically powered Please supply power to the outdoor unit Yes if the address codes of No indoor units in the same system are repeated Change the repeated address codes Yes If the address code of wired controller complies with the address code of the connected indoor unit Change the address code of wired controller 187 MODULAR D C INVERTER MULTI MAINTENANCE 5 Temperature sensor Trouble 1 Outdoor ambient temperature sensor error Error display on hand controller F4 Outdoor units mainboard indicator led4 dark led3 dark led2 dark led1 dark Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark 2 Outdoor coil pipe inlet sensor trouble Error display on hand controller F5 Outdoor units mainboard indicator led4 blink led3 dark led2 dark led1 blink 3 Outdoor coil pipe middle sensor trouble Error display on hand controller F6 Outdoor units mainboard indicator led4 blink led3 dark led2 blink led1 dark 4 Outdoor coil pipe outlet sensor trouble Error display on hand controller F7 Outdoor units mainboard
128. R X6 X7 55 RIS RT4 RT YV SST lt lt 8 8 2 3 4 A Zz LA Zz SEY ER EE MEE 22 ae X14 X23 x24 95 96 5 Communication Wire x27 X1 bp E Communication TC 2 Wire 428 8 POWER Xn PCB x2 bh L 41 518 x18 B EE X16 X15 SD Dm z aU n M E T BE X30 X8 X5 X4 X6 Y y ES 2 OE ix WH BK YE BL EN HH M4 3 ANUAL EKV C NECN STEPPING STEPPING 3 T EN R Le ed Be LEFT RIGHT 5E FAN MOTOR Caution The EKV should be installed by user The winding should be fixed tightly 63624118 MODULAR D C INVERTER MULTI 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4 1 Unit MAINTENANCE Removal and Installation of Compressor power has been cut off Remark Before removing the compressor make sure that there is no refrigerant inside the pipe system and that the Step Illustration Handling Instruction 1 Remove the front panel Screw off the 4 fixed screws at both sides of the front plate with screwdriver e Lift the front plate and get down to put away Note there are 2 buckling positions at both sides of the front plate to connect with the left and right side plate When removing the front plate please
129. R125Zd Na K 3 Electrical motor 336 only used in INV L R90Zd Na K 4 Electrical motor s only used in INV L R112Zd Na K INV L R125Zd Na K Remarks
130. Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 20 MODULAR D C INVERTER MULTI VRF PRODUCT Model Combined unit INV Pdm1350W3 NaB M INV Pdm1405W4 NaB M Model Single unit INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm280W NaB M INV Pdm280W NaB M INV Pdm400W NaB M INV Pdm450W NaB M Cooling capacity kW 135 0 141 0 Heating capacity kW 150 0 158 0 Sound Pressure Level dB A 65 65 R410A charge kg 17 17 17 13 13 16 17 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 14 32 14 32 14 32 7 52 7 52 12 45 14 32 power Heating kW 13 90 13 90 13 90 7 70 7 70 11 2 13 90 Rated Cooling A 25 60 25 60 25 60 13 44 13 44 22 25 25 60 current Heating A 24 85 24 85 24 85 13 76 13 76 20 02 24 85 Dimension mm 1340x770x1670 1340x770x1670 930 770 1670 930x770x1670 1340x770x1670 1340 770 1670 1340x770x1670 D C Inverter Scroll type compressor CD C Inverter Scroll type constant speed scroll compressor x24 Compressor compressor constant speed scroll CD C Inverter Scroll type compressor compressorx2 x3 constant speed scroll compressorx2 x2 Water proof level 1 24 24 Climate type mm 041 3 0044 5 S Gas pipe Inch 13 8 7 4 a mm 19 05 22 2 B Liquid pipe 3 4 7 8 Inch
131. TION The following figure is applicable to the indoor units of INV L R22P Na K INV L R25P Na K INV L R28P Na K IN V L R36P Na K Electric box Nameplate Liquid pipe Gas pipe oo cO TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTIT VLEEEELEEEEEEEEEEEEEEEEEEEEEEELEEEE ELLE EE ELE EL E LN VELEEEELEEEEEEEEE LEE LEE EE ELE EE ELE ELE ELE ELE EE EE E E LN Hj return vent 790 L T w 875 M Lower air return Drainage pipe 856 T 750 3H 215 1 following figure is applicable to the indoor units of INV L RASP Na K INV L R50P Na K INV L R56P Na K IN V L R63P Na K INV L R71P Na K IN V L R80P Na K IN V L R90P Na K IN V L R112P Na K IN V L R125P Na K IN V L R140P Na K Auxiliary electric heating component There is no auxiliary electric heating component in cooling only Electric box Liquid pipe ty pe Nameplate 2 57 Rear I Gas pipe air 10 EN
132. Temperature Temperature At Air Intake Indoor Set Temperature Temperature Adjustment Under Standard Conditions Expansion Valve ON Expansion Valve i OFF 1 2 43 Indoor Ambient Temperature Temperature At Air Intake Indoor Set Temperature Temperature Adjustment With Temperature Compensation Anti Frosting Control Under Cooling And Dehumidifying Modes To prevent the frosting as a result of low temperature of the evaporator during the operation of cooling or dehumidifying of the indoor unit from bringing adverse effect to the cooling efficiency the indoor unit will carry out anti frosting operation when necessary If it is detected that the evaporator inlet pipe temperature miet 15 lt Frosting Temperature fOr Anti frosting Minutes after the compressor operates for T Compressor minutes under the modes of cooling or dehumidifying the anti frosting operation will be carried out and now the indoor fan motor and the swing motor remain the original status When the T Inlet 18 2 T Recovery Temperature the indicating light is off and the controller will operate under set mode The parameters T Compressor T Anti frosting gt T Frosting Temperature and T Recovery Temperature dT different for different unit models Refer to the following table o o Unit Model T Compressor Anti frosting T Frosting Temperature C T Recovery Temperature Duct Cassette 15 10 4 15 Series Wall Mount 6 3
133. Tl mm 41 3 41 3 Gas pipe Inch 13 8 13 8 g E mm 3019 05 19 05 5 Liquid pipe Inch 3 4 3 4 pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 25542554370 25543504370 Recommended power mm xp cord 6 0 5 6 0 5 10 0 5 6 0 5 10 0 5 10 0 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 18 MODULAR D C INVERTER MULTI PRODUCT Model Combined unit INV Pdm1130W3 NaB M INV Pdm1180W3 NaB M INV Pdm280W NaB
134. Tray 12412701 1 12412701 1 18 Screw 70140032 4 70140032 4 19 Electric Box Base Plate 01412721 1 01412721 1 20 Flow Guide Loop 10372701 1 10372701 1 21 Electric Box 20102701 1 20102701 1 22 Wire Clamp 71010102 4 71010102 4 23 Terminal Board T360B 42011142 1 42011142 1 24 Transformer 43110233 1 43110233 1 25 Electric Box Cover I 20102702 1 20102702 1 26 Electric Box Cover II 20102703 1 20102703 1 27 Main Board 30226316 1 30226316 1 28 Capacitor 33010012 1 33010012 1 29 Rubber plug 76712701 1 76712701 1 30 Evaporator 01004640 1 01004640 1 31 Evaporator Support 01072708 2 01072708 2 32 Nut with Washer M6 70310012 1 70310012 1 33 Bolt subassembly 70210051 1 70210051 1 34 Pipe Pump PJV 1415 43130324 1 43130324 1 35 Pump Gasket 76712702 3 76712702 3 36 Pump Support 01332001 1 01332001 1 37 Water Level Switch 45010201 1 45010201 1 38 Drainage Pipe Pump 05232721 1 05232721 1 39 Right Side Plate 01302716 1 01302716 1 40 Cable cross Loop 76512702 1 76512702 1 41 Pump Cover 01252711 1 01252711 1 42 Bolt 70212701 3 70212701 3 5 2 2 Exploded Diagram of Duct and List of Components 1 INV L R22P Na K INV L R25P Na K INV L R28P Na K INV L R32P Na K INV L R36P Na K Exploded diagram and list of components INV L R22P Na K INV L R28P Na K INV L R32P Na K NO Name INV L R36P Na K Coding Qty Coding Qty 1 Top Cov
135. Unit sees 214 5 EXPLODED VIEWS AND PART LIST 2 2 22 230 DL Outdoor Unt RT er eee tes fae dd 230 2522 Indoor Units ioter eter to Ee e HE e Eth por 245 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI PRODUCT MODULAR D C INVERTER MULTI PRODUCT 1 MODELS LIST 1 1 Outdoor Unit PRODUCT Capacity Power Units Series Model Cooling Heating Ref Supply Appearance Btu h Btu h INV Pdm224W NaB M 76429 85300 mation 380 415 3N 50Hz INV Pdm280W NaB M 95536 107478 INV Pdm335W NaB M 114302 127950 INV Pdm400W NaB M 136480 153540 380 415V 1 3N SOHz INV Pdm450W NaB M 153540 170600 5 INV Pdm504W NaB M 171965 192778 380 415V t BANOS 8 INV Pdm560W NaB M 191072 214956 amp E INV Pdm615W NaB M 209838 235428 E WE c r 380 415V INV Pdm670W NaB M 232016 261018 R410A 3 1 t Pes INV Pdm730W NaB M 249076 278078 x i MODULA INV Pdm785W2 NaB M 267842 298550 EE Zum t pin 410 380 415V E ipu INV Pdm850W2 NaB M 290020 324140 3N 50Hz i INV Pdm900W2 NaB M 307080 341200 INV Pdm950W3 NaB M 327552 368496 INV Pdm1008W3 NaB M 344612 385556 I
136. V L R28G NaB K Exploded diagram and list of components 0000 x INV L R22G NaB K INV L R28G NaB K Name Coding 2 2 2 2 2 2 2 2 2 2 31 Signal Cable 400103953 1 1 3 4 5 7 10 11 12 13 14 15 16 17 18 19 0 1 2 3 4 5 6 7 8 9 30 2 INV L R36G NaB K INV L R45G NaB K Exploded diagram and list of components 776767 TV MITIS T 10505050 106060006 96000606 600060606 a C PRS 02000006 254 9992 5 05252525 060606050606060 RENE 2 Ko INV L R36G NaB K INV L R45G NaB K NO Name 1 u E E i i n 9 26112429 3 INV L R50G NaB K INV L R56G NaB K Exploded diagram and list of components Ao EN N i ap v 38 39 40 INV L R50G NaB K INV L R56G NaB K a 1 _ none 1 pmerne 21 1 OCs ee 3 16 mms 3 20 Electric Box Cover 1 20112019 1 EA mue ccc MELLE 22 Terminal Board T4B3A 42011233 Room Sensor 15k Tube Sensor 20k Name wm 2l 2 Helicoid tongue 26252009 Motor FN20C PG 27150120671 Pipe Clamp 24242001 Signal Cable 400103953 EXV sub assy 707334255 4 INV L R71G Na K INV L R80G Na K Exploded diagram and list of components 7 M 1 07 af IX INV L R71G Na K
137. a width not less than 5cm to avoid condensing 12 Ensure a gradient over 1 when connecting the drainage pipe to the indoor unit Gradient over 1 100 0 X 13 When connecting the drainage pipe to the indoor unit please fix with the included pipe clamp and do not use glue water thus to ensure easy repair 14 Installation requirements for auxiliary drainage pipe pipe Unit drainage pipe Drainage hose 158 MODULAR D C INVERTER MULTI INSTALLATION The auxiliary drainage pipe must be thermally insulated Thermal insulation of condensate pipe 2 22 o Pipe cover 15 The long drainage pipe may be fixed by using hanger bolts thus to ensure a gradient of 1 100 PVC cannot be bent The spacing between the supports of horizontal pipe is 0 8 1 0m Twisting will be caused and thus air bag will be formed if the spacing is too high Once the air bag is formed the pump can only compress the air bag no matter how forcible it pushes but there is no flowing water thus resulting in abnormal water level This will cause flooding of the ceiling 16 If the air flow of indoor unit is high this might cause negative pressure and result in return suction of outdoor air Therefore U type water trap shall be designed on the drainage side of each indoor unit Indoor unit Install water trap as shown below Install one water trap for each unit Installation of water trap shall consider easy clea
138. aB M INV CL Pdm450W NaB M INV L Pdm450W NaB M INV L Pdm450W NaB M Cooling capacity kW 146 0 151 5 Heating capacity kW 163 0 169 0 Sound Pressure Level dB A 65 65 R410A charge amount kg 13 13 17 17 13 15 17 17 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 7 52 14 32 14 32 7 52 9 23 14 32 14 32 power Heating kW 7 70 7 70 13 90 13 90 7 70 9 38 13 90 13 90 Rated Cooling A 13 44 13 44 25 60 25 60 13 44 16 50 25 60 25 60 current Heating A 16 3 16 3 24 85 24 85 13 76 16 77 24 85 24 85 930 770 1670 930 770 1670 Dimension mm 1340x770x 1670 1340x770x1670 WxDxH 1340 770 lt 1670 1340 770 1670 1340x770x 1670 D C Inverter Scroll type D C Inverter Scroll type compressor constant speed scroll compressor constant speed scroll Coriioressdr compressor x2 compressor pres D C Inverter Scroll type D C Inverter Scroll type compressor constant speed scroll compressor constant speed scroll compressorx2 x2 compressorx2 x3 Water proof level 24 24 Climate type mm 044 5 044 5 Gas pipe Inch 7 4 7 4 g E mm 022 2 022 2 i Liquid pipe Inch 7 8 7 8 B mm 127 127 Oil equalizing pipe Inch 1 2 1 2 Connecting mode Brazing Connection Brazing Connection Net weight kg 255 255 370 370 255 350 370 370 Recommended power cord mm xpc 6 0 5 6 0 5 10 0 5 10 0 5 6 0 5 10 0 5 10 0 5 10 0 5 a The data will change with the change of p
139. air duct a Install the return air duct No Name No Name 1 Return air inlet with filter 4 Indoor unit 2 Canvas air duct 5 Supply air duct 2 Location of fresh air duct 1 When fresh air duct is need to be connected cut the fresh air baffle as shown in fig 8 Plug up the gap of fresh air baffle by sponge if fresh air duct is not used 2 Install the circle flange so that the fresh air duct can be connected as fig 9 3 Well sealed and heat preservation should be done for both air duct and circle flange pipe 4 Fresh air should be the air after filtrate treatment Cutoff Cut Off Fresh aire baffle Return air duct 116 MODULAR D C INVERTER MULTI VRF INSTALLATION 3 Installation of supply air duct N Ceiling TEN NN Return air Return air Air supply No 1 2 3 4 6 Return air Ducted type Return air Name Hoisting mss Vado inki Supply air bent Air outlet Note Fig 6 only shows the install of rear return air inlet button return air inlet can also been installed according to the actual install need The method of install is similar to the rear return air inlet s The supply air duct which is rectangle or circle and connect with the wind vent of the indoor unit should at least keep one open The circle air duct type should adopt cir
140. an Motor Running Current A 1 32 1 32 1 32 TAO 15 9 15 9 915 9 Gas Pipe T inc 05 8 05 8 05 8 2 mm 9 52 9 52 99 52 1 Liquid Pipe ach inc 93 8 93 8 93 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes CExternal Dia x Thickness us 5942 quos Unt Dimensions mm 1112x756x300 1112x756x300 1112x756x300 WxDxH D mm 1245 785 360 1245 785 360 1245 785 360 WxDxH Weight Net Gross kg 55 59 55 59 55 59 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 29 MODULAR D C INVERTER MULTI PRODUCT Model INV L R90P Na K INV L RIO0P Na K INV L RII2P Na K kW 9 0 10 0 11 2 Cooling Capacity Btu 30709 34121 38216 kW 10 0 11 0 12 5 Heating Capacity Btu 34120 37532 42650 m3 h 2000 2000 2000 Air Flow Rate CFM 1177 1177 1177 Sound Pressure Level H L dB A 44 40 44 40 44 40 External Static Pressure Pa 100 100 100 Power Supply 220 240V 5
141. and replace with new motor In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit 7 Assemble the unit in reverse to the disassembly procedures e Assemble the unit in reverse to the disassembly procedures and energize it for testing Wall mounted Unit Removal and Assembly of Fan Motor Remarks Before removing compressor make sure that there is no refrigerant inside the pipe system and that the power has been cut off Step Illustration Handling Instruction 1 Firstly Firstly use remove the screwdriver to loosen front panel the screws front case ay e Unplug the motor EXC T terminals in the electric and electric box E pp pepe EF TTT E F box Loosen the earth screws and lift up 2 Remove the evaporator screws EUM e Firstly use screwdriver to remove the fixing screws on the left and right side Then remove the evaporator 3 Remove the motor and cross flow fan e Use sc
142. ater pump 4 Remove the water pump and replace it e Remove the water pump and replace it 5 Connect the drainage pipe and tighten the screws fixing the water pump e Connect the drainage pipe and use screwdriver to tighten the screws fixing the water pump 6 Mount the water tray and tighten the screws CI TS em a FA Sh i 25 y e Use screwdriver to loosen the screws fixing the water tray e Duct type Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly Step Illustration Handling Instruction 1 Unplug the motor cables Cut off the power supply of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the back propeller housing e Loosen the clamp between back propeller housing and front propeller housing Remove the back propeller housing 3 Remove the front propeller housing 4 Loosen the fan and motor Use screwdriver to loosen the screws fixing the front propeller housing Remove the front propeller housing e Use inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor 5 Remove the motor e Firstly disengage the motor from motor support and then disengage the fan from the motor Then remove the motor from t
143. bove100mm lt Immiting water from the rest hole gt Plastic water pot The length of the ipipe should be about 100mm lt Immiting water from the outlet vent terminal gt 124 MODULAR D C INVERTER MULTI INSTALLATION 4 3 Floor Ceiling Type 4 3 1 Selection of installation site Selection of Installation Location for Air Conditioner Unit The installation of air conditioner unit must be in accordance with national and local safety codes Installation quality will directly affect the normal use of air conditioner unit The user is prohibited from installation by himself Please contact your dealer after buying this machine Professional installation workers will provide installation and test services according to installation manual Do not connect to power until all installation work is completed Selection of Installation Location Such a place where cool air can be distributed throughout the room Such a place where is condensation water is easily drained out Such a place that can handle the weight of indoor unit Such a place which has easy access for maintenance Such a place where is permitting easy connection with the outdoor unit Me Such a place where is 1m or more away from other electric appliances such as television audio device etc Avoid a location where there is heat source high humidity or inflammable gas Do not use the unit in the immediate surroundin
144. by not removing the brackets from the indoor unit Refer to Fig 9 Be sure to use only the specified accessories and parts for installation work 128 MODULAR D C INVERTER MULTI VRF INSTALLATION Ceiling Hanger bracket 40 or less Hanger bracket setting bolt M8 uspension bolt Hanger bracket Hanger bracket Fig 4 fixing bolt M6 Ceiling slab i Fig S 129 MODULAR D C INVERTER MULTI 4 4 Wall mounted type 4 4 1 Dimensions Data A INSTALLATION REMARK THE APPEARANCE WILL BE DIFFERENT ACCORDING TO THE MODELS Model INV L R22G NaB K INV L R28G NaB K INV L R36G NaB K INV L R45G NaB K as INV L R22G NaC K INV L R28G NaC K INV L R36G NaC K INV L R45G NaC K A mm 770 770 830 830 B mm 250 250 285 285 C mm 190 190 189 189 Model INV L R50G NaB K INV L R56G NaB K A mm 1020 1020 B mm 310 310 C mm 228 228 Model INV L R50G Na K INV L R56G Na K INV L R71G Na K INV L R80G Na K A mm 907 907 1178 1178 B mm 290 290 326 326 C mm 195 195 227 227 4 4 2 Clearance data Schematic diagram of installation spaces ORL AL LIL IGS 7279 1 24 ag E d Z 7 Z Z
145. cle preservation pipe to transmit cool heat wind to room The circle air duct should add a transitionary pipe which size should match the size of supply air duct of the unit After connecting the transitionary pipe install the circle wind outlet vent connection pipe whose longest length to every individual wind outlet vent should not over 10m Ducted type indoor unit model 70 can share 3 trainsitional pipe while model 100 120 can share 4 The transitional pipe whose straight length is 200 and circle wind outlet connection pipe whose diameter is 200 produced by our company can be ordered separately as standard fittings Model 50 and the model below it do not share round air duct The following is the diagram for install circle air duct NNote 1 The longest length of air duct means the general length of the wing supply pipe to the farthest supply air duct plus the general length of return air duct to the relative farthest return air inlet 2 the unit with auxiliary heater if the circle air duct is need to connected the straight length of trainsitional air duct should not shorter than 200mm B tp i Ho J 7 ANC x 1 E 1 E Ex N x 2 29 4 5 6 T Number 1 2 3 4 5 6 7 Name Screw Return air Ducted type Return air Trainsitional air Ait subbini Air outlet duct indoor unit inlet duct 4 Setting h
146. communication network and the mainboards CN11 CN14 of outdoor unit shall be connected to the drive board through 2 core 3 core pin header communication cable 2 Drive control system 13 power supply unit Reactor 45 1 LL 903 53 s i communication pM 4 i Functions of various modules A Filter plate one of the two key functions is to filter and eliminate power interferences and ensure anti interference capability of the unit even in a rugged power supply environment the other one is to suppress interferences from power supply in order to prevent the operation of the unit from affecting other appliances such as TV Because inverter unit works in a special way that is relatively sensitive to interferences filter plate is normally arranged Because 3 phase power supply is used for the unit 3 phase filter plate that uses 3 stage filtering mode shall be employed Input terminals of 3 phase filter plate are respectively AC L1 AC L2 AC L3 and N and corresponding output terminals are respectively L1 OUT L2 OUT L3 OUT and N OUT Drive board is a key part of control system Receiving commands from the main control board the drive board can transform 380V 50Hz 3 phase commercial power into AC power with adjustable amplitude and frequency capable to drive compressor 50 MODULAR D C INVERTER MULTI CONTROL 1 2 Operation Flow Chart
147. control object communication module and the latter one for initializing the data in the centralized controller including clear all the finished address settings Since the centralized controller can control at most 64 communication modules and the address of them is 0 to 253 0 is generally unused it must specify the address of communication module needed to be controlled It is ADDRESS SETTING which is not recommended to operate by users The debugging personnel can press SYSTEM DEBUG into system setting interface After pressing UP DOWN LEFT and RIGHT buttons press CONFIRM button into the interface for selection between ADDRESS SETTING and INITIALIZE SETTING The operation procedure of ADDRESS SETTING 1 The centralized controller without energizing and setting will display following 00 00 00 00 00 Display Present Unit No 00 00 which means soft address 00 No 00 indoor unit Soft address is the No displayed in 1 64 grid of LCD Press SYSTEM DEBUG into system setting interface After pressing UP DOWN LEFT and RIGHT buttons press CONFIRM button into the interface for selection between ADDRESS SETTING and INITIALIZE SETTING Then press UP or DOWN button to switch between them Soft address 00 00 00 00 00 Press LEFT or RIGHT button to switch between SOFT Hard ADDRESS settings UP or Down button to adjust their values After adjustment press CONFIRM button to make the address values corr
148. cords and communication lines for mini centralized controller region controller Before installation and connection make sure the power supply is off After installation and connection check the connection result again to prevent loose or short There are 4 connection lines included in the 4 core twisted pair line to the controller from CN1 or the upper and right CN2 to the upper they respectively are Ground line GND communication line A A communication line B B and power cord 12 v Note During following connection of wirings pay special attention to them to avoid malfunction to units for electromagnetic interference 1 Keep the signal lines or wirings communication of mini centralized controller region controller or wired controller at least 20 cm from the power cords or connecting lines between indoors and outdoors to prevent abnormal communication 2 Shielding twisted pair line must be adopted as signal line or wiring communication once the unit is installed in the place where there is serious electromagnetic interference 75 MODULAR D C INVERTER MULTI CONTROL 5 CENTRALIZED CONTROLLER 5 Function Main characteristics of Centralized Controller 9 set of Centralized Controller can control 64 communication modules and can connect to as much as 1024 indoor units It can conduct individual control with any separated area or unified control It can monitor or control On Off Mo
149. crease 1 by pressing button once and decrease 1 pressing button once The indoor temp can be set in the range of 16 30 p Press the Timer OFF TIMER ON Operation procedure Normal procedure button at operating stopping to set the off on time Press Timer OFF TIMER ON once to increase 0 5 hour for the set time The Max value of setting time could be 24 hours when repressed it the setting time will be canceled 1 Press ON OFF button after connected with the power then the unit is operating 2 Press MODE button to choose the need operation mode 3 Press FAN button to set the fan speed 4 Press button to set the need temp Selectable procedure 5 Press SLEEP mode to set the sleep state 6 Press TIMER OFF button to set the set time Note When the operating mode selected by the indoor unit is clash with the one selected by the outdoor unit the remote controller will display the operating clash after 5 seconds and the power light will flicker then the indoor unit turns off At this time the units will become normal after the operating mode of the indoor unit is changed to cooperate with the outdoor unit Cool mode can cooperate with dry mode and fan mode can cooperate with any mode 67 MODULAR D C INVERTER MULTI CONTROL How to insert batteries Two batteries Two AAA dry cell batteries are used by the remote control 1 Remote the cover from the back of the remote control down
150. ctric box and fix with fixed screws eTighten the fixing coil of the right electric box 7 Check and fix the front plate eCheck if the elements and wires are connected correctly e After that cover both sides of the front plate and fix screws Removal and Installation of Liquid Tank Remarks Before removing Liquid Tank make sure that there is no refrigerant inside the pipe system and that the power has been cut off Step 1 Loosen the left fixing coil of the left electric box and the fixed screws of electric box Loosen the fixing coil Illustration Handling Instruction eRemove the left and right front plate and put away eLoosen the left fixing coil of the left electric box and the fixing coil below that eLoosen the fixed screws of the left electric box with screwdriver 2 Push down the left electric box ePut a chair or other support with a certain height at the front of the left electric box ePush down the left electric box again and put the chair or support under the front part of the electric box MODULAR D C INVERTER MULTI MAINTENANCE 3 Assembly the liquid storage tank eUse gas welding to heat the 2 pipe connections and then pull them out No
151. cy under which the compressor runs After control of the outdoor unit the indoor unit decides the openness of the electronic expansion valve The electronic expansion valve is set once every 40 seconds b Temperature Control Through the openness and close of the indoor electronic expansion valve the indoor unit realizes the control of the temperature refer to the following figure When the capacity demand of the indoor unit is 0 the electronic expansion valve closes When the capacity demand of the indoor unit is not 0 the electronic expansion valve opens Expansion Valve ON Expansion Valve OFF d 1 Indoor Ambient Temperature Indoor Set Temperature c Fan Motor Control When the indoor unit has capacity demand If automatic air speed grade is not set the fan motor of the indoor unit will operate under set air speed grade When the indoor fan motor is set at the automatic air speed grade the fan motor decides the fan motor air speed according to the change of ambient temperature indoors Refer to the following figure High Air Speed Grade Medium Air Speed Grade Low Air Speed Grade 3 2 1 1 1 2 Indoor Ambient Temperature Indoor Set Temperature Automatic Air Speed Grade For Heating General High Air Speed Grade Medium Air Speed Grade Low Air Speed Grade 3 2 1 1 1 2 Indoor Ambient Temperature Indoor Set Temperature Automatic
152. de Temperature setting and Timer On Off of indoor unit etc It can realize the central single or select control to all indoor units It can organize several indoor units into groups as you desired and conduct unified control Group select control Error contents are shown by codes Corresponding communication module numbers of the indoor units with error contents would blink for rapid inspection and repair There is sound warning for a few errors Timer function Every indoor unit can set Timer On Off time by central single or select control Both Timer On time and Timer Off time can be set at the same time and it is available to set the timer to which day among the 7 days from Sunday to Saturday works Clock function displays in year month day hour minute and week and the clock can be manually adjusted Indoor and outdoor units online auto detect display and working state indication Self inspection function is remained Centralized Controller and several communication modules formed communication net the length of communication wire of the net can be as long as 1km without using communication repeaters 5 2 Operation View q inventor o c AL N OFF IRETE 17 SEEE 15 cael a A 1 ON o gt wo sper mur V J OFF ecc ser ame y A
153. dm224W NaB M 380V SNS 32 32 6 0 6 0 50Hz 10 INV Pdm280W NaB M EE 32 32 6 0 6 0 12 INV Pdm335W NaB M ioca 40 40 10 0 10 0 14 INV Pdm400W NaB M 27 40 40 10 0 10 0 16 INV Pdm450W NaB M 40 40 10 0 10 0 18 INV Pdm504W NaB M 2 63 32432 16 0 6 0 6 0 20 INV Pdm560W NaB M po 63 32432 16 0 6 0 6 0 22 INV Pdm615W NaB M ioca 63 32440 25 0 6 0 10 0 24 INV Pdm670W NaB M 80 32 40 25 0 6 0 10 0 26 INV Pdm730W NaB M 27 80 32440 25 0 6 0 10 0 28 INV Pdm785W2 NaB M 2 80 40440 25 0 10 0 10 0 30 INV Pdm850W2 NaB M dci 80 40440 25 0 10 0 10 0 32 INV Pdm900W2 NaB M oo 80 40 40 25 0 10 0 10 0 34 INV Pdm950W3 NaB M 2 125 32432440 35 0 6 0 6 0 10 0 36 INV Pdm1008W3 NaB M 222 125 32432440 35 0 6 0 6 0 10 0 38 INV Pdm1065W3 NaB M 125 32 40 40 35 0 6 0 10 0 10 0 40 INV Pdm1130W3 NaB M 2 125 32440440 35 0 6 0 10 0 10 0 42 INV Pdm1180W3 NaB M iios 125 32440440 35 0 6 0 10 0 10 0 44 INV Pdm1235W3 NaB M i 125 40440440 35 0 10 0 10 0 10 0 46 INV Pdm1300W3 NaB M 27 125 40440440 35 0 10 0 10 0 10 0 48 INV Pdm1350W3 NaB M 2 125 40440440 35 0 10 0 10 0 10 0 380V 3N 50 INV Pdm1405W4 NaB M ps 160 32432440440 35 0 6 0 6 0 10 0 10 0 380V 3N 52 INV Pdm1456W4 NaB M un 160 32432440440 50 0 6 0 6 0 10 0 10 0 380V 3N 54 INV Pdm1512W4 NaB M iets 160 32440440440 50 0 6 0 10 0 10 0 10 0 380V 3N 56 INV Pdm1570W4 NaB M 160 32440440440 50 0 6 0 10 0 10 0 10 0 58 INV Pdm1650W4 NaB M 2 160 32440440440 50 0 6 0 10 0 10 0 10 0 380V 3N 60 INV Pdm
154. door units e Nominal capacities are based on the following conditions Cooling Heating Indoor 27 C 80 6 19 66 2 Indoor 20 C 68 Outdoor 35 C 95 F Outdoor 7 C 44 6 F 6 C 42 8 F MODULAR D C INVERTER MULTI VRF 1 2 Indoor Unit 1 2 1 Duct type PRODUCT Capacity Power Model Cooling Heating Ref Supply Appearance Btu h Btu h INV R22P Na K 8530 7507 INVL R22P Na K INV R25P Na K 10236 8530 INVL R25P Na K INV R28P Na K 10918 9554 INVL R28P Na K INV R32P Na K 12283 10919 INVL R32P Na K INV R36P Na K 13648 12284 INVL R36P Na K INV R40P Na K 15354 13649 INVL R40P Na K INV R45P Na K 17060 15355 INVL R45P Na K INV R50P Na K 19790 17061 INVL R50P Na K INV R56P Na K 06 21496 220V INVL R56P Na K 50Hz INV R63P Na K 23884 21496 R410A INVL R63P Na K INV R71P Na K 27296 24226 INVL R71P Na K INV R80P Na K 30026 27297 INVL R80P Na K INV R90P Na K 34120 30709 INVL R90P Na K INV R100P Na K 37532 34121 INVL R100P Na K INV R112P Na K 42650 38216 INVL R112P Na K INV R125P Na K 46060 42652 INVL R125P Na K INV R140P Na K 51180 ATTIO INVL R140P Na K INV R224P Na M 85304 76432 7 INVL R224P Na M 380V INV R280P Na M 1057
155. e Sub assy 01308668 1 7 Left Support of Evaporator 01078629 1 8 Liquid entered Pipe Sub assy 04324601 1 9 Collect Gas Pipe Sub assy 04674601 1 10 Evaporator Sub assy 01038623 1 11 Fan Fixed Plate Sub assy 01339058 1 12 Centrifugal fan 10319051 1 13 Air inlet Sub assy 01499061 1 14 Motor FG70B 15018322 1 15 Centrifugal fan 10319051 1 16 Bottom Cover 01258649 1 17 Cover of Air in 01258650 1 18 Water Tray Sub assy 01278633 1 19 Right Side Plate Sub assy 01308670 1 20 Hook 02112446 2 21 Left Support of Evaporator 01078625 1 22 Air inlet Sub assy 01498641 1 3 INV L R56P Na K INV L R63P Na K INV L R71P Na K INV L R80P Na K Exploded diagram and list of components INV L R56P Na K INV L R63P Na K INV L R71P Na K INV L R80P Na K No Name Coding Qty 1 Top Cover Sub assy 01258652 1 2 Hook 02118504 2 3 Left Side Seal hole Plate Sub assy 01308680 1 4 Seal of Connection Pipe 01498610 1 5 Electric Box Assy 01394609 1 6 Left Side Plate Sub assy 01308676 1 7 Left Support of Evaporator 01078603 1 8 Liquid entered Pipe Sub assy 04324603 1 9 Collect Gas Pipe Sub assy 04674602 1 10 Evaporator Sub assy 01054601 1 11 Fan Fixed Plate Sub assy 01338631 1 12 Fan Motor Left S YP 200 190J 1 15018603 1 13 Air inlet side board Sub assy 01499074 1 14 Motor FG150B 15018612 1 15 Fan motor Right S YP 200 190J 1 15018604 1 16 Bottom Cover 01258612
156. e change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 16 PRODUCT MODULAR D C INVERTER MULTI VRF Model Combined unit INV Pdm900W2 NaB M INV Pdm950W3 NaB M INV Pdm280W NaB M Model Single unit 2 INV Pdm280W NaB M INV Pdm400W NaB M Cooling capacity kW 90 0 96 0 Heating capacity kW 100 0 108 0 Sound Pressure Level id 63 64 R410A charge kg 17 17 13 13 16 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 14 32 14 32 7 52 7 52 12 45 power Heating kW 13 90 13 90 7 70 7 70 11 2 Rated Cooling A 25 60 25 60 13 44 13 44 2
157. e connection Tighten the nuts with your hands correctly Then use another spanner to hold the pipe joint on machine side and use torque wrench to tighten securely Hold the spanner Pipe on indoor unit side A Rotate the spanner 4 Cable connection of electronic expansion valve sub assembly 1 To avoid loosening and sagging down please use strap small to fix the cable of electronic expansion valve sub assembly onto the pipe or other objects 2 When connecting the cable of electronic expansion valve sub assembly please take care to prevent the cable from contact with the hot or humid objects Connect the mainboard Fix with strap of indoor unit el Tolndoor To Outdoor Unit 1 Unit lt Vertically gt upward o o 5 Finaltreatment The section where the pipe is connected must be wrapped for thermal insulation AN WARNING Please ensure the pipe is fully covered by sponge and not exposed in air Condensing water will be generated on the pipe if the thermal insulation is poor Thermal insulation sponge To Indoor To Outdoor o Unit Unit FENM Vertically 1 Indoor unit gt lt pward gt j o
158. e end and VL knob on low pressure end to stop the vacuum pump c Remove the hose connected to vacuum pump and reconnect it to the refrigerant tank Expel the air in the hose Open the VL knob on low pressure end to charge refrigerant to the system piping When the pressure reaches 0 0kgf cm close the VL knob on low pressure end d Remove the hose connected to refrigerant tank and reconnect it to vacuum pump Start the vacuum pump and open the VH knob on high pressure end Pump for 30 minutes from high pressure end and then open the knob to pump from low pressure end until the vacuum level reaches 0 1MPa gauge pressure Ikgf cm If the vacuum level reaches 0 1MPa gauge pressure or lower the vacuuming process is then ended Stop the vacuum pump and place still for 1 hour Then check the vacuum level for any change In case of any change it indicates that there is leakage In this case proceed to leakage detection and repair e When the procedures for vacuum pumping are finished refrigerant shall be charged 6 12 Refrigerant Charge 1 Calculation method for refrigerant charging Refrigerant shall be charged according to calculated amount specified in engineering drawings Method for calculation of added refrigerant volume based on liquid pipe Mass of refrigerant to be charged gt length of liquid pipe refrigerant charge amount of every meter of liquid pipe 153 MODULAR D C INVERTER MULTI I
159. e needed to The centralized control indoor units can not be displayed by it Refer to Step 4 for control If not the operation status of communication and details 93 MODULAR D C INVERTER MULTI CONTROL 6 MONITORING SOFTWARE 6 1 Function As the development and improvement of manufacturing technology and in order to solve the problems of complex distribution of the central AC in the buildings and difficult control and maintenance of them an platform easy and reliable to operate must be provided to the users for daily management and maintenance So this long distance monitoring system combining electronic communication and computer technologies is developed to collect the running state of the units and to monitor and control the units from a long distance Its structure is as follow Unit Unit El X X H lt lt 1 S H2 Communication Communication 1 Communication Module Module Module E Converter Unit 7 Unit gt q a Z Hm Communication Communication Module Module Module 6 2 Connection Between the Computer and the Unit 1 Notice The address code of the communication modules should not be conflicted in one project Optoelectronic Isolated Repeater every 800m of communication distance equipped with one and One every 30 communication module
160. e on error t failure error error error error Electrical source LED Operation LED Timing LED Legend bright dark blink 1 1 5 Trouble display of mainboard LED of FengYun and FengXia Tube inlet Tube middl Tube exit Room Def Antifr Mode Commu Outdo Error sensor e sensor sensor conflic nication or unit sensor error rost eeze error error error t error failure Test Brig Blink lamp Blink 1 ht Dark Blink 2 Blink MODULAR D C INVERTER MULTI MAINTENANCE Timer Blink Blin Blink Bright blink Dark Lamp k Notes 1 Bright and dark intermittently 2 Bright and dark simultaneously 1 1 6 Trouble display of mainboard LED of Ling Ge Feng Error Error Code Error Error Code Prevention against low Error with oil temperature E2 m Fb temperature sensor 2 digital Outdoor ambient F4 Indoor ambient temperature FO temperature sensor error sensor error 5 Exhaust overtemperature E4 error oe F6 Low pressure protection error Outdo r tube exit sensor F7 Overcurrent Protector 5 error Error with exhaust temperature sensor 1 F8 High pressure protection El fixed frequency sensor 1 Communication error E6 error Indoor F2 High pressure valve error Fe error Indoor tube exit sensor error F3 Low press
161. e rise pipe B 220mm Below 500mm Ceiling Clamp accessory gt Theinclination of included drainage hose shall be within 75mm so that the drainage insert will not bear excessive force Drainage hose accessory Below 75mm Below 500mm Correct x Incorrect x gt Use the included drainage hose and clamp Insert the drainage hose to the drainage port and tighten the clamp gt For thermal insulation wrap the big sponge to the drainage hose clamp 162 MODULAR D C INVERTER MULTI INSTALLATION gt indoor drainage hose shall be thermally insulated Big sponge accessory Clamp accessory TA Sponge grey Drainage hose Below 4mm gt connect the drainage pipes for multiple machines please use the method of multi pipe collection as shown below Introduce water here Over 100mm for water test T joint collecting drainage pipe LL rhe Fig The specification of collecting drainage pipe shall be suitable to the working capacity of the unit We may collect the drainage pipes of all the indoor units in one system An outdoor unit and all the indoor units connected to this outdoor unit are called one system or collect the drainage pipes of all the indoor units in several systems The ceiling height must be considered and a specific gradient shall be ensured along the water flow direction The cassette type indoor unit is provided with water pump and the maximum lift of its dra
162. e switch expansion ature control protection input I I I I I I na t Indoor unit Indoor unit Indoor unit n Outdoor Unit Indoor unit a maximum of 16 sets to be connected Air conditioning units can be divided into indoor unit and outdoor unit A maximum of 16 sets of indoor units can be connected to an outdoor unit 2 core 3 core pin header communication cable is used for the connection between indoor unit and outdoor unit Indoor unit is connected to display board via 4 core communication cable In engineering installation address dial up of the display board and the mainboard of indoor unit shall be dialed The address dial up of the mainboard of indoor unit must be identical with that of the display board of the same indoor unit Address dial up of different indoor unit must vary Multi VRF indoor unit is applicable to all digital or inverter outdoor units Controller of outdoor unit falls into two categories in terms of its function 1 main control system and inverter drive control system 1 1 2 DC Inverter Unit 1 Main control system A Functions main control system shall be connected to indoor unit through 2 core 3 pin header communication cable in order to receive start or stop commands mode setting temperature and ambient temperature from indoor unit determine operation mode of outdoor unit and through calculation based on capacity decide proper running frequency wh
163. e to appropriate depth The branch pipes from INVENTOR are all provided with positioning mark gt IC Cut from the middle of copper A pipe as needed Copper pipe 143 MODULAR D C INVERTER MULTI INSTALLATION Do not use the connection method that the copper pipe is cased on branch pipe of smaller diameter EIE Copper pipe Branch pipe Correct connection Wrong connection YS The copper pipe shall not be inserted into the branch pipe too deep Copper pipe Branch pipe Correct connection f s FA Wrong connection IX 6 7 Welding of Copper Pipe 1 Braze welding Materials for braze welding There are two kinds of braze welding soft braze welding and hard braze welding Hard braze welding is required in this case Selection of braze welding Red copper red copper brazing filler metal is Bcu93P GB 6418 and welding flux is not needed Flame flux capable of preventing the surface of copper pipes from oxidation recommended for use Temperature for braze welding 820 860 C copper pipe becomes light red 2 Safety acknowledgement before operation a Roll calling of construction personnel and confirmation on their health status b Acknowledgement on work suits Chelmets clothes safety bags and safety shoes c Description of work location and environment d Job division shall be made Job content method and order shall be indicated Risk prediction activi
164. el and the body 3 Move out the assy of the front panel 4 Loosen the screws fixing the water tray eMove out the assy of the front panel e Use screwdriver to loosen screws fixing the water tray 5 Move out the water tray and filter support eMove out the water tray and filter support 6 Loosen the fixed screws on water pump eUse screwdriver to loosen the fixed screws water pump and pull out the pump drainpipe from the water pump 7 water pump and replace it e Remove the water pump and replace it 8 Connect the drainage pipe and use screwdriver to tighten the screws fixing the water pump eConnect the drainage pipe and use screwdriver to tighten the screws fixing the water pump 11 Assembly water tray and filter support and tighten the fixed screws eAssembly water and filter support and use screwdriver to tighten the fixed Screws water and filter support 12 Assembly the front panel assy and tighten the screw reece e Assembly the front panel and use screwdriver to tighten the screw 13 Assembly the front panel Press the panel swithch L eAssembly the front panel assy and lightly press the panel switch at both ends to lock the switch Finish the in
165. er to loosen screws 9 Remove the motor and replace it Remove the motor and replace it 10 Assembly the motor top assy and tighten the screws e Assembly the motor top assy and use screwdriver to tighten the fixed screws on the motor top and cross flow fans e Assembly water 11 Assembly water tray and filter support and tighten the screws Tighten the six screws tray and filter support and use screwdriver to tighten the fixed screws on water tray and filter support eAssembly the front 12 Assembly the front panel assy and tighten the Screws UU panel assy and use screwdriver to tighten the screws eAssembly the front 13 Assembly the front panel assy Press the panel switch panel assy lightly press panel switch at both ends to lock the switch Finish the installation Removal and Installation of Drainage Pump Step Illustration Handling Instruction 1 Move out the front panel assy Switchs of the panel 2 Loosen fixed screws between the assy of the front panel and the body eLightly press the switch of front panel thus to loosen one side of the panel three snaps on the opposite would drop off and then the front panel could be removed eUse screwdriver to loosen the fixed screws between the assy of the front pan
166. er Sub assy 01259052 1 01259052 1 2 Hook 02112446 2 02112446 2 3 Seal of Left Side Plate Sub assy 01499051 1 01499051 1 4 Seal of Connection Pipe Sub assy 01499053 1 01499053 1 5 Electric Assy 01408739 1 01394605 1 6 Left Side Plate Sub assy 01308788 1 01308788 1 7 Left Support of Evaporator 01078774 1 01078774 1 8 Liquid entered Pipe Sub assy 03334601 1 03338810 1 9 Collect Gas Pipe Sub assy 01305018 1 04674609 1 10 Evaporator Sub assy 01038785 1 01038786 1 11 Fan Fixed Plate Sub assy 01339095 1 01339095 1 12 Centrifugal fan 10319051 1 10319051 1 13 Air inlet side board Sub assy 01499055 1 01499055 1 14 Motor 15019053 1 15019522 1 15 Centrifugal fan 10319051 1 10319051 1 16 Bottom Cover 01259086 1 01259086 1 17 Cover of Air in 01259056 1 01259056 1 18 Water Tray Assy 01279051 1 01279051 1 19 Right Side Plate Sub assy 01309055 1 01309055 1 20 Hook 02112446 2 02112446 2 21 Left Support of Evaporator 01079056 1 01079056 1 22 Air inlet side board Sub assy 01498783 1 01498783 1 2 INV L R40P Na K INV L R45P Na K INV L R50P Na K Exploded diagram and list of components ST 4 7 INV L R40P Na K INV L R45P Na K INV L R50P Na K NO Name Coding Qty 1 Top Cover Sub assy 01259064 1 2 Hook 02112446 2 3 Seal of Connection Pipe 2 01498644 1 4 Seal of Connection Pipe 1 01498604 1 5 Electric Box Assy 01404688 1 6 Left Side Plat
167. er installed and tested by the professional install personnel according to the install instruction instead of install by himself herself Only connect the power after all the installation works are finished e The selection of the installation place of the indoor unit Prevent direct sun burn Make sure that the top steeve ceiling and the structure of the construction etc is strong enough to bear the weight of the unit The drainage pipe is easy to drain The air flow is not blocked at the outlet and intake vents The connecting pipe indoor and outdoor can by lead to outside conveniently The unit cannot be installed in the place where stored the flammability easy exploded thing or the place where would have leakage of flammability and exploded gas The unit cannot be installed in the place where has the corrupt gas and serious dust saline fog lampblack and huge humidity Note The air conditioner unit installed in the following place may have malfunction if the malfunction cannot prevent please contact the Nominated Repair Center Of INVENTOR athe place with greasy all around 2ihe seashore place with salinity and alkali the place with vulcanized gas such as vulcanized hot spring the place with high frequency equipment such as wireless equipment electric welding machine and medical treatment equipment Gthe place with special environment 113 MODULAR D C INVERTER MULTI INSTALLA
168. esponding and effective If the cursor stops at hard address position hard address is blinking press CANCEL button to make the setting value ineffective in which case the will be displayed Soft address is the No displayed in 1 64 grid of LCD and hard address is the actual one of communication module In this example the centralized controller controls 3 communication modules with the address of 01 02 and 03 i e hard address is 01 02 and 03 For convenient management soft address will be set to the same as hard address i e 01 001 02 002 and 03 003 If communication is normal after setting the centralized controller will display as the following figure 91 MODULAR D C INVERTER MULTI CONTROL this button check indoor unit status Press to Soft address display 01 02 and 03 under corresponding soft address I 01 02 and 03 of soft address is displayed which indicates normal communication of these 3 communication modules II PRESENT UNIT NO displays 01 08 which indicates No 08 indoor unit under 01 communication module is being checked III Press ROOM REGION button to check other indoor units status under present communication module Indoor units status is automatically detected without setting in centralized controller Step 5 Troubleshooting during Installation of Centralized Controller Generally speaking connection of communication
169. est pipe L lt 80m a The 1 branch i section 2 ZAHL The equivalent length of the farthest pipe from the 1 branch L lt 25m L3 b a d Indoor unit 2 Height difference between indoor units H lt 10m The equivalent length is designed based on every 0 5m for each Y type branch pipe 134 MODULAR D C INVERTER MULTI VRF INSTALLATION 5 3 Selection of Y Type Branch Pipe R410a refrigerant system Toral ee ao Model X lt 200 FQ01A 200 lt lt 300 1 300 lt lt 700 2 700 lt 1350 003 1350 lt FQ04 5 4 Selection of Diameter 1 The diameter of the piping the main pipe from the Outdoor Unit to the first branch joint R410a refrigerant system Outdoor capacity code C Gas pipe mm inch Liquid pipe mm inch lt 280 22 2 9 52 280 lt lt 450 28 6 12 7 450 lt lt 670 28 6 15 9 670 lt lt 950 34 9 19 1 950 lt lt 1350 41 3 19 1 1350 lt lt 1570 44 5 22 2 1570 lt 54 1 25 4 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 2 The diameter of the piping between branch joints the branch pipe R410a refrigerant system Outdoor capacity code C Gas pipe mm inch Liquid pipe mm inch C lt 50 012 7 6 35 50 lt C lt 70 15 9 9 52
170. et the system run at full load cooling mode Open and discharge air in the hose The high pressure end of pressure gauge is connected to the refrigerant filling nozzle on the small valve of outdoor unit Open V and charge gas state refrigerant into the gas pipe until required charging amount is reached c Observe electronic balance or spring balance When required amount is reached the valve shall be closed very quickly and then source valve on the refrigerant valve shall be shut off d The amount of charging refrigerant shall be recorded Refrigerant charge shall be recorded as per the following table Unit Mark Amount of charging refrigerant kg Unit 1 Unit2 154 MODULAR D C INVERTER MULTI INSTALLATION 7 INSTALLATION OF ELECTRONIC EXPANSION VALVE PARTS 7 Direction Requirements To ensure normal operation of the unit please connect the electronic expansion valve sub assembly as shown below Ensure that the vertical arrow labeled on electronic expansion valve sub assembly is pointed upward 1 To Indoor To Outdoor Unit Unit Vertically c ms To Indoor To Outdoor Unit Unit y Arrow Upward X Arrow Downward Firstly fix the electronic expansion valve sub assembly properly Several operating methods are avai
171. etween indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 23 PRODUCT MODULAR D C INVERTER MULTI VRF Model Combined unit INV Pdm1700W4 NaB M INV Pdm1750W4 NaB M INV Pdm335W NaB M INV Pdm400W NaB M Model Sinele unit INV Pdm450W NaB M INV Pdm450W NaB M 8 INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M Cooling capacity kW 168 5 175 0 Heating capacity kW 187 5 195 0 Sound Pressure Level dB A 66 66 R410A charge amount kg 15 17 17 17 16 17 17 17 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 9 23 14 32 14 32 14 32 12 45 14 32 14 32 14 32 power Heating kW 9 38 13 90 13 90 13 90 11 2 13 90 13 90 13 90 Rated Cooling A 16 50 25 60 25 60 25 60 22 25 25 60 25 60 25 60 Heating A 16 77 24 85 24 85 24 85 20 02 24 85 24 85 24 85 1340 770 1670 1340 7
172. for multiple machines please use the method of multi pipe collection as shown below 161 MODULAR D C INVERTER MULTI INSTALLATION T joint collecting drainage pipe Over 100mm i Fig The specification of collecting drainage pipe shall be suitable to the working capacity of the unit We may collect the drainage pipes of all the indoor units in one system An outdoor unit and all the indoor units connected to this outdoor unit are called one system or collect the drainage pipes of all the indoor units in several systems Notes The ceiling height must be considered and a specific gradient shall be ensured along the water flow direction 2 Cassette Type Four sided Outlet a Installation of drainage pipe gt drainage pipe shall be installed to ensure smooth flow of water gt diameter of drainage pipe shall be equal to or higher than the diameter of connection pipe PVC pipe exclusive of the rise section The drainage pipe shall be short and has a down gradient of 1 100 at least thus to avoid air bag If the inclination of the drainage hose is insufficient drainage rise pipe shall be mounted The installing height of drainage rise pipe shall be less than 280mm The drainage rise pipe shall be in right angle to the unit and the distance to the unit shall not exceed 300mm VVVV Roof Hanger seat Within 300mm Below 280mm Drainage hose accessory Drainag
173. g site before taking it out of the packaging box A CAUTIONS Never put any object on top of the unit before and after installation To lift the machine with crane please use two ropes to lift the outdoor unit 4 Hoisting Method The machine must be balanced when it is lifted Check and ensure that the machine can be lifted up safely and stably CAUTIONS Do not attach the ropes to the lower wood frame of the packaging box Never remove any packaging materials As shown insert two ropes through the square holes on the machine and protect the machine with batten and corrugated paper Never remove the wood frame and plastic straps I 2 The angle between rope and machine shall be higher than 602 Tie the ropes the batten and corrugated paper with a thickness not over 15mm Do not apply an force to this board both sides 2 Insert the ropes through Pd E square hole a During lifting the position of ropes is as shown below Move the lower wood frame of the packaging box away and lift the unit to correct position Rope m Square hole Lf 78 Correct 3 1 1 Cautions for installation of outdoor unit To ensure good operation of
174. gs of a laundry a bath a shower or a swimming pool sure that the installation conforms to the installation dimension diagram e Caution for installation where air conditioner trouble is likely to occur Where there is too much of oil Where it is acid base area Where there is irregular electrical supply 125 MODULAR D C INVERTER MULTI INSTALLATION 4 3 2 Dimensions Data ES Installation dimensions Outline dimensions Model E D A B C INVASOZUNSK d G E iil NC 260 150 ea i 6 INVRIISAINSK E M 126 MODULAR D C INVERTER MULTI INSTALLATION 4 3 3 Clearance data space around the unit is adequate for ventilation Refer to Fig 1 60cm or more 4 3 4 Installation demonstration There are 2 styles of installation vx Ceiling type Floor type Each type is similar to the other as follows 1 Determine the mounting position on ceiling or wall by using paper pattern to indicate indoor frame Mark the pattern and pull out the paper pattern Refer to Fig 2 2 Remove the return grill the side panel and the hanger bracket from the indoor unit as per procedure bellow Press the fixing knob of the air inlet grills the grilles will be opened wider and then pull them out from the indoor yx Remove the side panel fixing screw and pull to the front direction arrow direct
175. h has 3 COM in total has been introduced as the above can connect with another communication module or centralized controller as shown below 85 MODULAR D C INVERTER MULTI VRF CONTROL Note The above figure is only for reference to relation among the equipments The actual wiring is subject to the above frame diagram of system 86 MODULAR D C INVERTER MULTI VRF CONTROL eStep 3 There are two methods of DIP address setting of communication module Method 1 The address of each communication module has been fixed in the factory and marked on the label at the back of it It is unnecessary for users to set anything In addition the 3 digital DIP can not be dialed to OFF completely as shown below m an Label for address of communication Method 2 Manual setting of address as operated the following 1 Dial the digital switch at the back of communication module to OFF completely as below Dial the 3 rods to OFF e 2 Open the cover of communication module as below v 87 MODULAR D C INVERTER MULTI Set DIP for address according to the following table CONTROL 88 MODULAR D C INVERTER MULTI CONTROL Set DIP for address according to the following table Address from 0 to 31 Address from 32 to 63 Address mes ws _ ENEA E KAA
176. he lower air inlet frame In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit 6 Replace with a new motor e Assemble the unit in reverse to the disassembly procedures and energize it for testing Ultrathin duct type Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly Step Illustration Handling Instruction 1 Unplug the motor cables Cut off the power supply of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the filter sub assembly and air inlet cover board e Remove the filter sub assembly from the air inlet frame use screwdriver to remove the air inlet cover board 3 Remove the screws on fan sub assembly Remove the screws on fan sub assembly 4 Overturn the propeller housing e Rotate the propeller housing to the air inlet according to arrow direction 5 Loosen the fan and motor e Use inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor 6 Replace the motor e Firstly disengage the motor from motor support Then sequentially disengage the fan sub assembly form the motor shaft Remove the motor from the air inlet and replace with new motor which for the mo
177. he installation shall be performed by the vendor or professional dealer from which you buy the machine If you install by yourself any improper installation might cause water leakage electric shock or fire accident The installation shall be done correctly according to installation instructions Improper installation may cause water leakage electric shock or fire A WARNING To install a large air conditioning system in small room please make sure to take measures to prevent that the refrigerant will not exceed the limit concentration in case of leakage For the measures to prevent the refrigerant from exceeding the limit concentration please consult your dealer If no proper measures it might cause human suffocation in case of refrigerant leakage Please install at a position that is strong enough to support the weight of machine If the installing position is of low strength the machine may drop down and thus cause human injury Please carry out installation in accordance with the rules for preventing the typhoon or earthquake The machine may tip over if the installation does not comply with the requirements The electrical cabling shall be carried out by qualified electricians in accordance with the Safety Code for Electrical Equipment relevant local rules and the installation instructions Make sure to use the special purpose circuit If the power circuit capacity is low or the construction is improper it might
178. he old 4 way valve from the unit 6 Install new 4 way valve e Install the new 4 way valve to correct position e Connect the new 4 way valve to the pipe e When welding the 4 way valve please wrap the valve body with wet cloth thus to prevent the guide inside the valve body from burn Also take care to prevent any water from flowing into the pipe Weld by charging nitrogen with the nitrogen pressure kept at 0 5 0 1kgf c m relative pressure 7 Assembly 4 way valve fittings NI elInstall the fittings to the new 4 way valve according to the uninstallation order 8 Fix the electric box tighten fixing coil eLift the electric box and fixed with fixed nuts eTighten the left fixing coil of electric box and the fixing coil below that 9 Check and fix the front plate 7 Check if the elements and wires are connected correctly eAfter that cover both sides of the front plate and fix nuts Removal and Installation of Electronic Expansion Valve Remarks Before removing Electronic Expansion Valve make sure that there is no refrigerant inside the pipe system and
179. he unit might be incurred to multiple errors and such errors might be caused by multiple reasons It is also possible that one error is developed into multiple errors Therefore a comprehensive analysis system shall be set up to ensure that the result of judgment is more correct and reliable 1 High pressure Protection Error display on hand controller E1 Outdoor units mainboard indicator led4 dark led3 dark led2 dark led1 blink Indoor units mainboard indicators Patio indoor units red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark 180 MODULAR D C INVERTER MULTI MAINTENANCE High pressure protection Measure if the pressure switch is normal Use pressure gauge to measure if the pressure is really high Replace the mainboard of outdoor unit Check if the operation mode of indoor unit is set properly Replace the pressure switch Refer to the Instruction Manual for Indoor Unit Check if the gas valve and liquid valve are fully open Fully open the valve Check if the front panel of outdoor unit is covered tightly Cover up the front panel properly Check if the air inlet and outlet of the indoor and outdoor exchanger is smooth
180. hing may cause electric shock or fire the electric installations must be carried out by specialist technicians in accordance with the local laws rules and these instructions The indoor unit and outdoor unit shall use different power supplies The indoor units under the same system must be powered by a unified power source the indoor units can only be controlled by one master power switch Rated supply voltage and special circuit for air conditioner must be used The earthing shall be secure The earthing wire shall be connected to the special earthing device on the construction The installation must be done by specialist technicians Never connect the earth lead to the gas pipe water pipe lightening rod or telephone earth wire To avoid electric shock or any accident due to mal operation the air switch and shock resistant earth leakage circuit breaker that can cut off the power supply of the complete system must be installed The air switch shall have both the magnetic tripping and thermal tripping functions to ensure protection against the short circuit and overload Electric shock or fire might be caused if no installation of earth leakage circuit breaker Do not switch on the power before completion of the electrical work Make sure to cut off the power supply before repair Under no condition could use the capacitor to improve the power factor Please use cable conduit for power cords Do not lay the electronic contr
181. ial up of indoor and outdoor unit Engage the valve body with the coil Refer to the Repair and Maintenance Focus on checking the inlet and outlet of the connection between indoor units and main The system pipe is blocked pipe Also focus on checking the electronic expansion valve of indoor unit and outdoor unit Replace the electronic expansion valve drying filter and other parts 183 MODULAR D C INVERTER MULTI Exhaust Temperature Protection Error display on hand controller E4 Outdoor units mainboard indicator led4 dark led3 dark led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark MAINTENANCE 184 MODULAR D C INVERTER MULTI MAINTENANCE Exhaust Temperature Protection Measure if the resistance of temperature sensor is correct Measure if the exhaust No temperature of compressor reaches 118 C When the exhaust temperature of compressor is Replace the mainboard of higher than 107 C check if the eoresponding bypass outdoor unit Replace the corresponding exhaust temperature sensor Yes Check if d corres onding ae No ass sub assembly is in goo iaui Yondit
182. ic pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 24 MODULAR D C INVERTER MULTI PRODUCT Model Combined unit INV L2 Pdm1800W4 NaB M Model Single unit INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M Cooling capacity kW 180 0 Heating capacity kW 200 0 Sound Pressure Level dB A 66 R410A charge amount kg 17 17 17 17 Power Supply 380 415V 3N 50Hz Rated Cooling kW 14 32 14 32 14 32 14 32 power Heating kW 13 90 13 90 13 90 13 90 Rated Cooling A 25 60 25 60 25 60 25 60 LL Heating A 24 85 24 85 24 85 24 85 Dimension mm 1340 770 1670 1340 770 1670 WxDxH 1340x770x1670 1340 770 1670 D C Inverter Scroll type compressor x1 constant speed scroll Compressor compressorx2 4 Water proof level 24 Climate type mm 054 1 Gas pipe Inch 17 8 Q 8 mm 25 4 Liquid pipe Inch 1 S gl mm 012 4 Oil equalizing pipe Inch 1 2 Connecting mode Brazing Connection Net weight kg 370 370 370 370 Recommended power cord mm xpc 100 5 100 5 100 5 100 5 a The data will change with the change of products Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a
183. ich shall be sent to the drive control system through 2 core 3 core pin header communication cable Fan speed shall be regulated according to system pressure Real time monitoring of temperature sensors operation state and protection of unit shall be performed to ensure normal and stable operation of the whole system Protection codes of outdoor unit shall be displayed on the LED on the main control board when failure occurs When drive is at fault E5 shall be displayed on the display board of indoor unit and specific failure type shall be indicated on the LED on the main control board of outdoor unit B Input and output controlled variables Sensors include ambient temp sensor tube inlet temp sensor tube middle temp sensor tube outlet temp sensor compressor exhaust temp sensor compressor casing top temp sensor high pressure sensor and low pressure sensor Switch protection high pressure protection over current protection Output control objects fan frequency compressor heat tape controlled by drive board compressor AC contactor 3 phase controlled by drive board gas bypass valve 4 way valve solenoid valve A oil equilibrium valve liquid 49 MODULAR D C INVERTER MULTI CONTROL bypass valve and capillary solenoid valve C 485 communication interface indoor unit communication network and adaptor board CN1 shall be connected to the mainboard of indoor unit through 2 core 3 core pin header communication cable drive
184. id Pipe inch 5 4 5 4 5 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes WxDxH External Dia x Thickness mm me quos next Unit Dimensions WxDxH mm 875x680x220 875x680x220 980x736x266 Package Dimensions mm 1012x708x275 1012x708x275 1068x766x320 Weight Net Gross 27 31 27 31 36 39 Notes 7 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 27 MODULAR D C INVERTER MU LTI VRF PRODUCT INV L R50P Na K INV L R56P Na K Model INV L R45P Na K kW 4 5 5 0 5 6 Cooling Capacity Btu 15355 17061 19108 kW 5 0 5 8 6 3 Heating Capacity Btu 17060 19790 21496 m3 h 840 840 1400 Air Flow Rate CFM 494 494 824 Sound Pressure Level H L dB A 40 36 40 36 42 38 External Static Pressure Pa 40 40 100 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 07 0 07 0 15 Fan Motor Running Current A 0 69 0 69 1 32 mE 912 7 912 7 915 9
185. ient T3 3 lt lt 7 7 lt T lt 11 11 lt T lt 15 18 lt T lt 22 T gt 22 temperature Fan frequency Max 41Hz 33Hz 28Hz 23Hz 21Hz Value Remarks the maximum valve shall be 50Hz for dual compressor parallel system 224 and 280 and 55Hz for systems 335 400 450 and 504 e After 3 minutes fan frequency shall be regulated in terms of pressure According to high pressure regulation 3 minutes after startup exhaust pressure shall be detected According to the average of exhaust pressure fan frequency shall be regulated once for each cycle in order to stabilize high pressure at 46 C 52 C This shall be realized by logical processes as below Current frequency of outdoor fan Original frequency Variable frequency 1 When the actual high pressure lt 46 C variable frequency 46 Corresponding temperature of actual high pressure x Hz 2 When the actual high pressure gt 52 C variable frequency 52 Corresponding temperature of actual high pressure x Hz 3 When 46 CG lt When the actual high pressure lt 52 C the existing frequency is maintained 59 MODULAR D C INVERTER MULTI CONTROL 1 3 2 Control Function of Indoor Unit Contain 1 Cooling Operation a Cooling According to the capacity demand of the running indoor unit the outdoor unit decides the frequency under which the compressor runs control of the outdoor unit the indoor unit decides the openness of the electronic expan
186. inage pipe is 280mm During installation please take care that The diameter of drainage pipe connected to the indoor unit must meet the specifications The pipe diameter shall not be too small otherwise the water may overflow The main drainage pipe depends on the number of indoor units Generally it is required to be equal to or higher than 35mm The drainage pipe shall be thermally insulated The thickness of thermal insulation pipe must meet the requirements The clearance between thermal insulation pipes shall be sealed with adhesive sticker Please discharge the water to the ground drain water closet or any other place easy to drain the water out b After installation check if the drainage is smooth 3 Wall mounted Type Assemble the drainage pipe as shown below and take measures to prevent condensing Improper assembly of the drainage pipe may cause leakage or even expose the furniture to moisture a Assembly of drainage pipe gt avoid air in water elbow the drainage hose shall be kept as short as possible and inclined downward as shown below gt During connection please use PVC pipe of equal size higher than this size Nominal Dia 20mm Outer Dia 26mm gt drainage pipe must be arranged in down inclination along water flow direction thus to avoid air bubble blocking Take care not to arrange the pipe in twisting protrusion or waveform Do not put the outlet of drainage pipe into water 163 M
187. indoor unit according to the fact that how the difference between the inlet temperature and the outlet temperature is deviated from the set superheat degree The purpose is to keep proper superheat degree and the detection is carried out every 40 seconds When the unit is turned off the operation of the unit is stopped when the set temperature is reached or there is any failure this control process is ended C Control of Subcooling Degree During Heating Operation During the process of heating the unit group shall control the open degree of the electronic expansion valve of the indoor unit according to the fact that how the difference between the inlet temperature and the outlet temperature is deviated from the set superheat degree The purpose is to keep proper subcooling degree and the detection is carried out every 40 seconds When the unit is turned off the operation of the unit is stopped when the set temperature is reached there is any failure or defrosting is carried out this control process is ended Sensor Inspection Control Ambient Temp Sensor When it is detected that the ambient temperature is continuously lower than 20 C for 1 minute or is continuously higher than 100 C for 1 minutes the signal of ambient temp sensor failure failure code FO is sent and the indoor unit stops operation because of abnormality If it is detected that the ambient temperature is continuously larger than 20 C but lower than 100 C for 1 minute 6
188. inforced AN There will be lots of lampblack and dust stick on the acentric heat exchanger and water pump in dining room and kitchen which would reduce the capacity of heat exchanger lead water leakage and abnormal operation of the water pump The following treatment should be taken under this circumstance 1 Ensure that the smoke trap above cooker has enough capacity to obviate lampblack to prevent the indraft of the lampblack by the air conditioner Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner e Important notice guarantee the good performance the unit must be installed by professional personnel according with this instruction Please contact the local INVENTOR special nominated repair department before installation Any malfunction caused by the unit that is installed by the department that is not special nominated by INVENTOR would not deal with on time by the inconvenience of the business contact 118 MODULAR D C INVERTER MULTI INSTALLATION 4 2 2 Dimensions Data INV L R140T Na K INV L R125T Na K INV L R112T Na K INV L R100T Na K INV L R90T Na K INV L R80T Na K INV L R71T Na K INV L R63T Na K INV L R56T Na K INV L R50T Na K INV L R45T Na K INV L R36T Na K INV L R28T Na K 4 ON Refrigerant pipe 950 Decorated surface boards 890 Ceiling opening
189. ing support sub assy 1 01324171P 1 11 Fixing support sub assy 2 01324173P 1 12 Panel Front shore 01894135P 2 13 Front cover plate 01264158P 1 14 Liquid receiver inlet 04324753 1 15 Liquid receiver 07228812 1 16 U Type Connection Pipe 05020152 1 17 Filter sub assy 07414126 1 18 4 way valve sub assy 04144164 1 19 Liquid branch circuit valve sub assy 3 07334326 1 20 Liquid branch circuit valve sub assy 2 07334325 1 21 Liquid branch circuit valve sub assy 1 07334324 1 22 Suction pipe sub assy 04674168 1 23 Liquid gas separator 07224477 1 24 Right side panel 01314138P 1 25 Panel Front 1 01544116P 1 26 Sustain lengthways girder 01874134P 1 27 Electrical box assy Left INV Pdm450W NaB N1 01394790 1 28 Cover of electrical box 2 01424187P 1 29 Sustain transverse girder sub assy 01324228P 1 30 Middle exist pole 01854107P 1 31 Electrical box assy Right INV Pdm450W NaB N1 01394789 1 32 Cover of electrical box 1 01424186P 1 33 Connection Pipes Electrical expansion vavle 05024954 1 34 Electrical expansion vavle sub assy 07334244 1 35 Support 01804179P 1 36 Cut off valve sub assy 1 07334182 1 37 Cut off valve sub assy 3 07334183 1 38 Connection Pipes 05024901 1 39 Compressor and it s fittings E6 05DH 59D2Y 99071264 1 40 Cut off valve sub assy 07334328 41 Support sub assy 01324212P 42 Compressor and it s fittings E6 05DH 59D2Y 99071264 43 Capillary sub assy Oil equalizing 04104153 44 Oil separator 0742412
190. installed according to the installation instructions Also the heat insulation shall be provided to avoid condensing Improper installation of the pipe might result in water leakage and lead to possible wetting of the articles in the room 103 MODULAR D C INVERTER MULTI 1 2 Key Points of Installation INSTALLATION Installation Procedures Description and Acceptance Criteria Material Selection and Equipment Inspection The materials specified on the engineering drawing shall be purchased as specified e g copper tube thermal insulation tube PVC pipe power cables air switch etc The materials not specified on the engineering drawing shall be purchased according to the actual quantity of works e g hanger frame cable duct etc Check if the outdoor unit indoor unit communication wires and accessories are complete Installation of indoor unit Connection Communication wire The power cables shall be separated from communication wires at a least distance of 10cm To avoid breaking the communication wires please do not use strong force For multiple units please mark them properly Switch on indoor and outdoor unit and ensure there is no display of Communication Wire Error E6 Address dial code Each indoor unit under the same system has a unique address dial code The wired controller and its corresponding indoor unit have the same address dial code Remote Control Noe
191. ion Bat the solenoid gt Replace the liquid bypass sub assembly valve is in good condition and if the capillary pipe is blocked Check if the hen the exnaust femperature No of compressor i gher than electronic 102 C hath r th enness i i gt of coiresponding indoor unit oo electroni expansion valve is Increase Yes pA Yes Change the outdoor unit Change corresponding electronic mainboard expansion valve sub assy No Change the mainboard chip of the outdoor units When the exhaust temperature of compressor is higher than 110 C Whether compressor reduces its apacitv No Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units Refer to the dial up of indoor and outdoor unit Notes 1 The AC frequency conversion machine includes air out senor Repair the leakage of system pipe and and shell top sensor according to th reguired 2 The temperature protection point in different machines are different 3 There is no liquid refrigerant by pass in frequency conversion machine 185 MODULAR D C INVERTER MULTI MAINTENANCE 3 ES Protection Error display on hand controller E5 Outdoor units mainboard indicator Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led bli
192. ion to remove Side panel fixing screw Refer to Fig 3 yx Loosen two hanger bracket setting bolts M8 on eath side for less than 10mm Remove two hanger bracket fixing bolts M6 on the rear side Detach the hanger bracker by pulling it backward Refer to Fig 5 Side panel fixing screw INSTALLATION PAPER PLANK Fig 2 127 MODULAR D C INVERTER MULTI INSTALLATION 3 Set the suspension bolt Use W3 8 or M10 size suspension bolts yx Adjust the distance from the unit to the ceiling slab beforehand Refer to Fig 4 4 Fix the hanger bracket to the suspension bolt Warning Make sure that extended suspension bolt from the ceiling stays inside the arrowed position Readjust the hanger bracket when it is outside the arrowed position Refer to Fig 6 yx Suspension bolt stays inside the cap of indoor unit Never remove the cap 5 Lift the unit and slide forward unit the dent Refer to Fig 7 6 Screw tightly both hanger bracket setting bolts M8 Refer to Fig 5 7 Screw tightly both hanger bracket fixing bolts M6 to prevent the movement of the indoor unit Refer to Fig 5 8 Adjust the height so that rear side of the drainpipe slightly inclines to improve drainage A Caution Adjust the height by turning the nut with a spanner Insert the spanner from the hanger bracket opening Refer to Fig 8 In case of hanging It is possible to install using inward facing hanger brackets
193. ion on 3 way pipe shall be on the same gradient The two ends of 2 way section shall not have different gradient See the schematics below L LJ LJ L Wrong connection Correct connection 157 MODULAR D C INVERTER MULTI VRF INSTALLATION 6 Confluence toward the horizontal pipe shall be best from the upper Back flow is easy to occur if from the lengthwise direction Indoor Unit Mounting of horizontal pipe 7 Do not tie the condensate pipe and refrigerant pipe together X 8 To ensure smooth drainage of condensate a vent hole shall be set at the highest point of drainage pipe 9 Carry out water flow test and full water test after the pipe connection is completed On one hand check if the drainage is smooth on another hand check the piping system for any leakage 110 Steel sheath shall be provided to the pipe crossing the wall or slab The pipe joint shall not be positioned within the sheath The steel sheath shall be flush with the wall surface or slab base but 20mm higher than the slab base The sheath shall not affect the pipe gradient The clearance between pipe and sheath shall be blocked by using flexible inflammable materials The sheath shall not be used as the supporting point of the pipe 11 The joint of thermal insulation materials must be adhered by using special glue and then wrapped with plastic tape having
194. ipe of indoor 164 MODULAR D C INVERTER MULTI INSTALLATION unit if the drainage is thorough and if there is any water deposit If any readjust it If not complete the water test and proceed to the thermal insulation on all pipe joints 8 5 Requirements of Heat preservation gt Heat Insulation Materials The thermal insulation material of obturator foam shall be used Fireproof level B1 The thermal conductivity shall not be higher than 0 035w m k when the average temperature is 0 C gt Thickness of thermal insulation layer The thickness of thermal insulation layer on condensate pipe shall be over 10mm gt joint of thermal insulation materials must be adhered by using special glue and then wrapped with plastic tape having a width not less than 5cm to avoid condensing gt Thermal insulation is not required for the outdoor section of condensate pipe 165 MODULAR D C INVERTER MULTI INSTALLATION 9 ELECTRICAL INSTALLATION 9 1 Precautions for Electrical Installation Itemized Description of Cautions The electrical installation must be done by professional electricians The electrical installation must be done in accordance with applicable technical codes and other rules WARNING Please make sure to install earth leakage circuit breaker Earth leakage circuit breaker must be installed to prevent electric shock or fire CAUTIONS The air conditioner must be securely earthed Incorrect eart
195. iquid Pipe inch 5 4 2 4 25 4 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes 201 5 201 5 Unit Dimensions WxDxH mm 875x680x220 875x680x220 875x680x220 Package Dimensions WxDxH mm 1012708275 1012708275 1012708275 Weight Net Gross kg 27 31 27 31 27 31 Notes D design of this unit comply with the national executing standard of GB T 18837 2002 2 Referto the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 26 MODULAR D C INVERTER MULTI VRF PRODUCT Model INV L R32P Na K INV L R36P Na K INV L R40P Na K kW 3 2 3 6 4 0 Cooling Capacity Btu 10919 12284 13649 kW 3 6 4 0 4 5 Heating Capacity Btu 12283 13648 15354 m3 h 570 570 840 Air Flow Rate CFM 336 336 494 Sound Pressure Level H L dB A 39 35 39 35 40 36 External Static Pressure Pa 25 25 20 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Output kW 0 02 0 02 0 07 Fan Motor Running Current A 0 16 0 16 0 69 mm 912 7 912 7 912 7 Gas Pipe inch 91 2 91 2 91 2 222 mm 96 35 96 35 96 35 1pes Liqu
196. ir pipe The opening of the pipe not to be purged shall be blocked with blind plug b High pressure end of the pressure gauge is connected to the refrigerant filling nozzle of the small pipe liquid pipe c copper pipe ports outside the side of indoor unit shall be blocked by blanking plugs Copper pipe Blanking plug SAL 4 LZ Block with insulation materials Copper pipe ports not to be cleaned shall be blocked by blanking plugs Cleaning process d The valve on nitrogen cylinder shall be opened to maintain pressure at 28Kgf cm e Check whether nitrogen flows through the liquid pipe of indoor unit A f Cleaning The mouth of the pipe shall be blocked with insulation material held by hand until pressure rises to a level difficult to be withstood and at the moment the insulation material shall be released quickly And then the mouth shall be blocked again Repeat such procedures several times Afterwards use a wood board posted with white paper to check it If there is not evident dirt on the white paper the pipe will be considered clean g Shut off the main valve of nitrogen h Repeat the above procedures on indoor unit B 1 After cleaning of liquid pipe gas pipe shall be cleaned in the same way 149 MODULAR D C INVERTER MULTI INSTALLATION 6 9 Pressure Maintaining and Leak Hunting 1 Pressure maintaining of refrigerant piping After refrigerant piping of a system is welded A refrigeran
197. ire remote controller 3 hold the base board of controller on the wall then fix it to the wall with M4x25 screw 4 Plug the 4 core communication cable into the slot on the wired remote controller then fix the controller panel with base board together 70 MODULAR D C INVERTER MULTI CONTROL 4 MINI CENTRALIZED CONTROLLER 4 Function Region monitoring control and region wired control are the two main control functions for mini centralized controller region controller Region monitoring controller can monitor or control 16 indoor units of a group for inquiry and single or centralized control Region wired controller can replace 1 16 selected wired controllers to uniformly set or control the indoor units Refer to Fig 1 1 Fig 1 2 about the Sketch map to the relation among the mini centralized controller region controller region monitoring controller and region wired controller 00 Function mode Project Debugging Initial state Setting Region Controller gt 01 Function mode Region monitoring controller 02 Function mode Region wired controller Fig 4 1 Before using the controller functions must be selected by the personnel who performance the installation with the requirements of users Please refer to Project Debugging Setting section for the details Note If the controller is set to be region wired controller the wired controller of the selected indoor unit must be removed The mini centralized contr
198. is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 17 MODULAR D C INVERTER MULTI VRF PRODUCT Model C Combined unit INV Pdm1008W3 NaB M INV Pdm1065W3 NaB M Model Single unit INV Pdm280W NaB M INV Pdm280W NaB M INV Pdm450W NaB M INV Pdm280W NaB M INV Pdm335W NaB M INV Pdm450W NaB M Cooling capacity kW 101 0 106 5 Heating capacity kW 113 0 119 0 Sound Pressure Level dB A 64 64 R410A charge kg 13 13 17 13 15 17 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 7 52 14 32 7 52 9 23 14 32 POWSI Heating kW 7 70 7 70 13 90 7 70 9 38 13 90 Rated Cooling A 13 44 13 44 25 60 13 44 16 50 25 60 current Heating A 13 76 13 76 24 85 13 76 16 77 24 85 Dimension mm 930 770 1670 9307701670 930x770x1670 1340x770x1670 WxDxH 1340x770x1670 1340 770 1670 CD C Inverter Scroll type compressor D C Inverter Scroll type compressor constant speed scroll compressorx2 constant speed scroll compressor Compressor CD C Inverter Scroll type compressor constant speed scroll compressor x2 C D C Inverter Scroll type compressor constant speed scroll compressorx2 x2 Water proof level 24 24 Climate type
199. iver board MODULAR D C INVERTER MULTI MAINTENANCE 4 IPM ABNORMAL IPM abnormal If the phase sequence wire of the compressor is normal Connect phase sequence wire U V W No Increase magnetic ring if the compressor wire is wrapped by magnetic ring If the ground insulation of compressor is normal Replace the compressor Yes Replace the No Replace the compressor compressor 5 Record and feed back 195 MAINTENANCE MODULAR D C INVERTER MULTI 3 WIRING DIADRAM 1 Model INV Pdm224W NaB M IN V Pdm280W NaB M
200. k cod Error Error Code High pressure protection El Prevention against low temperature E2 Low pressure protection E3 Exhaust overtemperature E4 Overcurrent Protector 5 Communication error E6 Water full protection E9 Indoor ambient temperature sensor error FO Indoor tube inlet sensor error Fl Indoor tube middle sensor error F2 Indoor tube exit sensor error F3 Outdoor ambient temperature sensor error F4 Outdoor tube inlet sensor error 5 Outdoor tube middle sensor error F6 Outdoor tube exit sensor error F7 Error with exhaust temperature sensor 1 fixed frequency Error with exhaust temperature sensor 2 digital F9 Error with oil temperature sensor 1 fixed frequency FA Error with oil temperature sensor 2 digital Fb High pressure valve error Fc Low pressure valve error Fd Thermal relay error EH e Main wire controller mark HO Slave wire controller mark SL Mark of confilcting with the effective main wire CH controller Mark of eliminating main wire CL No main indoor unit No Romote shield CC Key locked EE MAINTENANCE MODULAR D C INVERTER MULTI MAINTENANCE 1 1 2 Trouble display of mainboard LED of duct type indoor unit Error Error Error Error Code Code Preve
201. l INV Pdm335W NaB M INV Pdm400W NaB M IN V Pdm450W NaB M 65 6 dyem al POWER wm ge x UP Laut AUR NEC v mi iem v P E vi 4 37 6 va Oa SONT v hid AC wut wean cnl a gt AD KMS AL t 2 xh 67 vis n zd 6 Fi La D bi M S yv OD Um ont ff Low Pressure Sensor E vn e EN rE XE X Pressure Sensor Joen ACL AGN Bl ape 5 7 AAT BP aeg vedvedved XR su v Fu sue C iure evo oce us ce Y Em EIE av i is ue IP me 1 ne ul 4 4 5 in v pen ens gt if X30 m T LIN nia E wee wai wee em 052 E B pw ase Zo d we0 lenie t2 of peel pex 99 roo 82 25 43 fi iis S 4E D 2 a KM2 A2 KMI A vi get 5 x ay vit 8 P es Indoor FA TS 3 BU eft RIGHT Lb L wear o z FA2 FAL a amp x for fen KMI
202. l compressor parallel system 224 and 280 and 55Hz for system 335 400 and 450 e After 3 minutes fan frequency shall be regulated according to pressure change in normal operation According to high pressure regulation 3 minutes after startup exhaust pressure shall be detected According to the average of exhaust pressure fan frequency shall be regulated once for each cycle in order to stabilize high pressure at 35 C 41 C This shall be realized by logical processes as below Current frequency of outdoor fan Original frequency Variable frequency 1 When the actual high pressure lt 35 C then variable frequency Corresponding temperature of actual high pressure 1Hz 2 When the actual high pressure gt 41 C then variable frequency Corresponding temperature of actual high pressure 41 x 1Hz 3 When 35 C lt Actual high lt 41 the existing frequency is maintained Heating mode Initialization the fan is started and goes to an initialization grade according to ambient temperature and remains for 3 minutes If calculated capacity of the complete unit gt 40 Ambient temperature lt 11 11 lt lt 15 15 C lt T lt 22 C T gt 22 C Fan frequency Max Value 41Hz 33Hz 28Hz Remarks the maximum valve shall be 50Hz for dual compressor parallel system 224 and 280 and 55Hz for systems 335 400 and 450 If calculated capacity of the complete unit lt 40 Amb
203. lable Fix with screws n 6 i To Indoor To Outdoor Unit Unit lt Vertically gt upward 2Use screws to fix onto wall Overhung Em D To Indoor To Outdoor To Indoor To Outdoor Unit Hi Unit Unit Unit Vertically Vertically upward m ff WoW y of ff ff upward Directly place on ceiling plane Caution Never place overhung in air 2 The indoor unit shall be firstly connected to a section of pipe connected by nut Then connect the pipe to the electronic expansion valve sub assembly by welding Welding PS To indoor To Outdoor 9 Welding Unit li Unit di lt Vertically gt upward Pipe length L gt 1m but lt 1 5m 155 MODULAR D C INVERTER MULTI INSTALLATION WARNING length of connection pipe must 1m lt L lt 1 5m The electronic expansion valve sub assembly must be connected to the indoor and outdoor unit in a direction as marked If connected in reverse direction severe error will be caused to the unit 3 Pip
204. late 01412721 1 01412721 1 19 Flow Guide Loop 10372701 1 10372701 1 20 Electric Box 20102701 1 20102701 1 21 Wire Clamp 71010102 4 71010102 4 22 Terminal Board T360B 42011222 1 42011222 1 23 Transformer 43110233 1 43110233 1 24 Electric Box Cover I 20102702 1 20102702 1 25 Electric Box Cover II 20102703 1 20102703 1 26 Main Board 30226316 1 30226316 1 27 Capacitor 33010010 1 33010010 1 28 Rubber plug 76712701 1 76712701 1 29 Evaporator 01038778 1 01038778 1 30 Evaporator Support 01072003 2 01072003 2 31 Nut with Washer M6 70310012 1 70310012 1 32 Bolt subassembly 70210051 1 70210051 1 33 Pipe Pump PJV 1415 43130324 1 43130324 1 34 Pump Gasket 76712702 3 76712702 3 35 Pump Support 01332001 1 01332001 1 36 Water Level Switch 45010201 1 45010201 1 37 Drainage Pipe Pump 05232721 1 05232721 1 38 Right Side Plate 01302710 1 01302710 1 39 Cable cross Loop 76512702 1 76512702 1 40 Pump Cover 01252710 1 01252710 1 41 Bolt 70212701 3 70212701 3 42 Electronic Expansive Valve 0713411201 1 0713411201 1 NO Name INV R45T Na K INVL R45T Na K INV RSOT Na K INVL RSOT Na K Coding Qty Coding Qty 1 Tube Exit Plate 01382710 1 01382710 1 2 Body Fixed Plate 01332701 4 01332701 4 3 Front Side Plate 01302717 1 01302717 1 4 Left Side Plate 01302740 1 01302740 1 5 Base Plate 01222702 1
205. led in the same direction No restriction to wall height 51000 ds PP 22 JL gt 200 Distance to another Max three machines in line outdoor unit beside Installed back against back No restriction to wall height e dm 21000 sar 2 Jn 11000 e60 2100 gt 200 2 22 NS Distance to another 1000 Max three machines in line outdoor unit beside In case there are walls on four sides of the outdoor unit It is suggested to install the unit in the same direction No restriction to wall height gt gt 1000 12200 12200 12204 51200 Max three machines in line 111 MODULAR D C INVERTER MULTI INSTALLATION 3 5 Take Monsoons and Snow into Consideration The monsoon shall be taken into consideration when installing the outdoor unit Correct Correct Incor
206. lines address DIP of communication module and address mapping setting of centralized controller are the common problems during installation of centralized controller These problems can be reflected from running indicator green of communication module Meanwhile it is recommended to debug the centralized controller after making communication of outdoor and indoor units smooth to simplify the problems A Connection of communication lines CIF incorrect or non connection of communication module centralized controller and communication line of indoor and outdoor units the green indicator will be black all the time It indicates connection problem between communication module and centralized controller that green indicator blinks once every 2s In this case COM2 must be used to connect them 3 indicates connection problem of communication module and indoor and outdoor units that green indicator blinks twice every 2s In this case COMI must be used to connect them Refer to Step 2 C for details B Address DIP of communication module There are two methods for address setting The one is that communication module has been set by software store but the 3 digital DIP switch can not be dialed to OFF completely The other one is to set it manually but the 3 digital 92 MODULAR D C INVERTER MULTI VRF CONTROL DIP switch should be dialed to OFF completely Refer to step 3 for details C Address mapping set ress of communication modul
207. low speed Is restart being avoided 3 minutes Temperature regulation Yes v No gt v Fan stop Electronic expansion valve Electronic expansion valve capacity control stop la y v CONTROL 54 MODULAR D C INVERTER MULTI 1 2 2 Operation Flow Chart of Outdoor Unit The unit is powered on v The electronic expansion valve initialized y Air supply or temperature regulation Temperature regulation Is restart being CONTROL Air supply Pi Yes gt avoided 3 minutes Is protection device Abnormality indicator of outdoor unit gt operating bright Is ab lity indicat Ms s abnormality indicator of outdoor unit is bright Press therun Stop Swick Abnormality indicator of outdoor unit gt bright Cooling Heating Cooling or heating v 4 way valve On while heating Off while cooling and air supply v Cooling running J Heating running Outdoor fan stop Outdoor electronic expansion valve stop Compressor stop v 55 MODULAR D C INVERTER MULTI CONTROL Cooling Running Cooling running Pag C Yes Is startup being initialized
208. m degree A proper vacuum pump can obtain vacuum degree of OKgf cm gauge pressure 1 Kgf em after vacuum pumping Features of a vacuum pump shall be determined by two factors as follows Selection of a pump that can meet expected requirement i e gauge pressure of 0 1MPa shall be 152 MODULAR D C INVERTER MULTI INSTALLATION obtained Exhaust flow is high over 40L min The following vacuum pumps are recommended Maximum vacuum air Use Model TEXT displacement Air discharge Vacuum drying Lubricant shaft pump 100L min Suitable Suitable Non lubricant shaft 50L min Suitable Suitable pump Comparison table of different pressure units is as follows Unit Standard air Vacuum degree pressure Relative pressure kg cm 0 1 033 Absolute pressure kg cm 1 033 0 mmHg mmHg 0 755 3 Vacuum pumping The steps are as follows a Expel the nitrogen after leakage detection Connect the pressure gauge to Freon nozzle on outdoor liquid valve and gas valve and connect a vacuum pump Then establish vacuum simultaneously from high pressure side and low pressure side Pressure gauge connector valve Connector on gas side P Vacuum pump Connector on liquid side Start the vacuum pump and turn on Lo and knobs b Continue for 0 5 1 0 hour after the vacuum level reaches 0 1MPa gauge pressure Ikgf cm Then close the VH knob on high pressur
209. mbient Temperature Indoor Set Temperature Automatic Air Speed Grade For Cooling Linge Wind The switch under the automatic air speed grade is inspected once every 30 seconds If the indoor fan motor stops before the fan motor will be started to carry out compulsory operation under high air speed grade for 8 seconds and then operates under set air speed d Control of Blowing off Residual Cold Air When the indoor unit stops the fan motor operates under set air speed or automatic air speed condition for 0 60 seconds When the capacity demand of the indoor unit is 0 the electronic expansion valve of the indoor unit closes and the fan motor continue operating under set air speed or automatic air speed condition 60 MODULAR D C INVERTER MULTI CONTROL 2 Dehumidifying Operation When the unit operates under the dehumidifying mode the indoor unit can only operates under the low air speed grade regardless of the set air speed grade Other actions are the same as that of the cooling operation Please refer to the section of cooling operation Low Air Speed Grade d 1 Indoor Ambient Temperature Indoor Set Temperature If the indoor fan motor stops before the fan motor will be started to carry out compulsory operation under high air speed grade for 8 seconds and then operates under set air speed 3 Heating Operation a Heating According to the capacity demand of the running indoor unit the outdoor unit decides the frequen
210. ment and Machining of Refrigerant Piping 1 Storage After receiving the refrigerant pipe and other components do not move them to the storage until confirming that they have no deformation bend crack or damage The pipe end must be sealed to prevent the invasion of moisture or wastes The copper pipe with coating may become deformed under the compression of the coating material so that the coils shall be placed upright To avoid the invasion of moisture or wastes a support higher than the ground must be built by using woods Care of pipe end during construction The pipe ends must be well cared during construction According to the working position work progress and surrounding environment the most effective way is to seal the end and wrap with adhesive tape 1 Sealing method Clamp the pipe end weld on it Clamp the pipe end to flat and weld on the clearance Then charge nitrogen 2 5kgf cm This will be more effective i Method for wrapping with adhesive tape Seal the pipe end with ethylene tape 2 Unwinding the coil CAUTION When unwinding the coil take care not to drag it on the ground The coil shall be slowly unwound on ground without any twisting In case of excessive compression by any hard object during unwinding the thermal insulation materials may be damaged and cannot be recovered which will deteriorate the performance of thermal insulation Do not unwind carelessly Otherwise the fi
211. ments in these instructions The outdoor unit must be fixed at the installing position The installation shall be done by specialist technicians 3 2 Selection of Installation Site 99799999999 The place with no residual air The place where the accessories can be securely fixed The place where the air will not obstruct the water inlet pipe or water outlet pipe The place that goes beyond the heating range of other heat sources The place where the wastewater can be safely drained The place where the noise and hot air will not affect the neighbors The place where the snow will not be piled The place where the water outlet pipe will not be blown by strong wind te Do not use guardrail on four sides Leave 1m at least above the machine In case of short circuit risk please install an adaptor changeable in air direction To avoid short circuiting please provide adequate suction space when multiple machines are to be installed In the region with snow the machine shall be installed in a frame or beneath the snow guard thus to prevent snow piling on the machine Do not install the equipment in a region where any inflammable gas might leak The snow guard and other devices shall be designed and installed by the user 108 MODULAR D C INVERTER MULTI INSTALLATION 3 3 Dimensions Data INV Pdm224W NaB M INV Pdm280W NaB M Outline dimensions Unit mm mmm d TTT The picture of the units is onl
212. module address and transfer address need to confirm at the work site and dial up Each outdoor unit module can connect maximum 16 indoor units yet need to confirm on the work site Each outdoor unit module can connect maximum 16 indoor units as one communication unit Wiring Sketch Map between Indoor Unit outdoor unit Indoor unit A Indoor unit Indoor unit N H 2 core 2 2 core Wiring communic communic communic resistor ation line ation line S ation line matching Terminal board Terminal board Terminal board Terminal board i S SI Power Power Power Power supply supply supply supply 3N 380v 50Hz Note the diagram is our single phase indoor unit the power supply wiring is subject to the actual condition if there is 3 phase indoor unit Note 1 The last indoor unit requires to install another communication line as wiring resistor matching 2 Both the communication lines of outdoor units and indoor units are cascade connection Connect the communication lines of indoor units and out units according to the above diagram 168 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI VRF 9 4 Dial up of Unit 9 4 1 The mainboard of
213. n Handling Instruction 1 Loosen the left fixing coil of the left electric box and the fixed nuts of electric box eRemove the left and right front plate and put away eLoosen the left fixing coil of the left electric box and the fixing coil below that eLoosen the fixed nuts of the left electric box with screwdriver 2 Push down the left electric box ePut a chair or other support with a certain height at the front of the left electric box ePush down the left electric box again and put the chair or support under the front part of the electric box 3 Removal of 4 way valve fittings eUse the screwdriver to loosen the 4 way valve fittings eMove out the 4 way valve fitings from the 4way valve fittings 4 Remove the 4 way valve e Use gas welding to heat the pipes connected on the four openings of 4 way valve Then pull them out from 4 way valve e Before welding 4 way valve please record the orientation of 4 way valve and installing position of each opening Note During welding take care not to let the flame burn other elements 5 Remove 4 way valve e Remove t
214. n ground Chamfer Burrs may occur on the cutting face of copper pipe and must be removed Meanwhile purge the foreign articles out of the pipe and refinish the pipe end e Use scraper or other tools to remove the burrs on inner side To prevent copper scraps from falling into the pipe please keep the pipe end downward during operation e If the pipe end is obviously deformed please cut and throw it off and then refinish the pipe end e Eliminate the copper scraps thoroughly and use cotton yarn to wipe the pipe clean The flared joint must be kept smooth When removing the burrs with scraper do not remove too much especially for the fitting pipe of small diameter otherwise the contact surface of the flared joint will be reduced Do not cause any scores and avoid cracking after the flared joint is formed gt lt Adverse impact if the burrs are removed too much with scraper Too much eliminated The contact face becomes small Flared nut 5 Pipe bending Work Methods a Bend by Suitable to fine copper pipe 96 35mm 12 7mm b Machining with spring pipe bender Bend by inserting the spring into copper pipe or sheathing onto the copper pipe 96 35mm 22 2mm c Machining with hand operated pipe bender Use the pipe bender of suitable dimension 96 35mm 22 2mm 140 MODULAR D C INVERTER MULTI INSTALLATION d Machining with electric pipe bender hydraulic S
215. n under pressure leakage an aA Except for the influence by temperature it is deemed acceptable if pressure drop is within 0 02MPa With the temperature change by 1 C the pressure will change by approx 0 01MPa Purge the system clean Keep the pressure for 24 hours Thermal insulation 1 The thermal insulation tube must meet the specifications 2 Seal between the thermal insulation pipes to avoid air entry 1 Select the installing position correctly 2 Build the foundation according to the anchor bolt position and the dimension of outdoor unit ot oidor uit 3 Build the damping device properly 4 Avoid sharp knock when handling the outdoor unit The inclination angle shall not be higher than 15 1 Tighten the nuts Connection of indoor unit and outdoor unit 2 Provide proper protection to the outdoor connection pipe communication wires and power supply 104 MODULAR D C INVERTER MULTI INSTALLATION Keep the pressure for 24 hours Except for the influence by temperature it is deemed acceptable if pressure drop is within 0 02MPa With the temperature change by 1 the pressure will change by approx 0 01MPa 1 Establish vacuum simultaneously in the gas pipe and liquid pipe Vacuuming 2 The vacuuming time shall be long enough Put still for 1 hour after vacuuming It is deemed acceptable if the pressure will not rise Add refrigerant according to the
216. ndicator Power supply connecting terminal 1 Function Introduction Male connector DB9connected with RS232 COM of BMS CONTROL Connecting R232 R485 optoelectronic Isolated converter is used to convert the signal 232 of PC COM and signal of bus 485 2 Dimension Description L W mm H mm optoelectronic isolated converter 94 72 23 3 Installation Dimension 25mm 94mm 96 MODULAR D C INVERTER MULTI CONTROL 4 Installation Criteria It must be installed indoors to avoid knock insolation or rainwater and is better to be put in the monitoring room This device must be the original in the factory Never self buy the models for replacement 220 V AC socket must be installed for independent power supply Power supply specification 12 30VDC 800mA R8485 B 1 2 Optoelectronic Isolated Repeater optional parts Connecting R8485A terminal 485 Working indicator Connecting terminal 485 5485 5485 1 Function Introduction Optoelectronic Isolated repeater is mainly used to collect increase of communication distance and nodes when the quantity of communication modules is above 30 or communication distance is above 800m Refer to Project and Installation section for details 2 Dimension Power supply connecting Description L mm W mm H mm Optoelectronic Isolated Repeater 94 72 23
217. ndoor units red led blink green led dark yellow led dark 189 MODULAR D C INVERTER MULTI MAINTENANCE 7 No energization to the unit and mainboard No energization to the unit and mainboard Check the units main wiring board L1 if N voltage is 220V Check if the power of wiring board is in trouble Check if the air switch of the units is ON Turn the air switch lamp ON Adjust the phase sequence of the three phase power of main wiring board Check if the phase sequence protector of the units is blight Check if 220V transformer of the mainboard is output Check the connection Connect with primary coil and then check if the 12V 5V transformers are output Replace the transformer MODULAR D C INVERTER MULTI 8 The contactor does not pull in The AC contactor of compressor does not pull in Check corresponding content according to the indicating error code on hand controller If the units in normal start up state no trouble display Check if the Replace AC contactor coil is contactor supplied with power Check if the mainboard corresponding compressor relay is output Replace the mainboard MAINTENANCE MODULAR D C INVERTER MULTI VRF 9 Typical Troubleshooting E5 for DC frequency conversion drive board 1 Commu
218. nication error between frequency conversion and main control Communication error between frequency conversion and main control Check if the drive board power is in normal condition If the drive still works normally and if the indicators are operating If the communication wire is connected with drive COM OUT3 Replace communication interface communication wire is damaged Replace the mainboard MAINTENANCE MODULAR D C INVERTER MULTI MAINTENANCE 2 The temperature of radiating fin is too high The temperature of radiating fin is too high If the outdoor units are in good heat radiation and ventilation Improve ventilation condition If the drive board radiating fin is blocked with dirty Clean radiating fin If the screw of IPM module is fixed and well connected with radiating fin Add heat radiating plastic and fix the Screw Replace the driver board MODULAR D C INVERTER MULTI MAINTENANCE 3 Excessive high low protection of DC input voltage Excessive high low protection of DC input voltage Check if the three phase power is balancing and if the voltage is between 320V 457V Improve rectifier power Check if the filter components are normal Replace filter components If the rectifier is normal Replace the rectifier Replace the dr
219. ning in the future Joint Indoor unit Indoor unit In al Joint 17 Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe 159 MODULAR D C INVERTER MULTI INSTALLATION The horizontal pipe cannot be connected to the vertical pipe at a same height It can be connected in a manner as shown below N01 3 way connection of drainage pipe joint 3 way connection drainage pipe joint NO2 Connection of drain elbow NE Connection of drain elbow Connection of horizontal pipe Connection of horizontal pipe Drainage pipe is requisite for air conditioner unit During cooling the moisture in the air will condense on the surface of evaporator Such condensing water must be drained out of the unit Meanwhile the drainage pipe has an important role to determine if the air conditioner can plays its full functions 18 All the condensate pipes must be installed at a distance over 500mm from the electric box of the unit 8 3 Installation of Drainage Pipe for Different Types of Indoor Unit 1 Duct type Indoor Unit Including General Static Pressure and Low Static Pressure a Installation of drainage pipe gt The diameter of drainage pipe shall be equal to or higher than the diameter of connection pipe PVC pipe Dimension Ou
220. nit with total rated capacity more than or equal to 20 0kW and less than 60 0kW See the above picture for the piping methods Allowable m ft sigh salue Fitting pipe Total length actual length of fitting pipe 300 984 L L Lb34 Lyt Lgtatb H Actual length 100 328 Length of the furthest fitting pipe LytLstLhe6t L L7 Lai Equivalent length 125 410 Equivalent length of fitting pipe from the 1 branch joint to farthest indoor unit L 40 132 LstLetLrtLrt Lei Height differences between Outdoor unit at upper 50 164 indoor unit and outdoor unit Outdoor unit at lower 40 132 Height differences between indoor units 15 49 5 2 3 For outdoor unit with total rated capacity less than 20 0kW See the below picture for the piping methods Allowable m ft 252 vale Fitting pipe Total length actual length of fitting pipe 150 492 L t L L a b c d Actual length 70 230 Length of the furthest fitting pipe 80 263 L L L3 d Equivalent length Equivalent length of fitting pipe from the 1 branch joint to farthest indoor unit L m 222 LotLatd Height differences between Outdoor unit ap upper 20 92 indoor unit and outdoor unit 25 82 10 33 Height differences between indoor units Height difference between indoor unit and outdoor unit H lt 30m lt Outdoor unit i d MM Equivalent length of farth
221. nk yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark Note All the drive errors are shown as 5 thus check the error indicators of the outdoor units first and find the specific error according to the code and refer to the following 2 10 Typical Troubleshooting E5 for DC frequency conversion drive board MODULAR D C INVERTER MULTI MAINTENANCE 4 Communication Failure Error display on hand controller E6 Outdoor units mainboard indicator led4 dark led3 blink led2 blink led1 dark Indoor units mainboard indicators Patio indoor units red led blink red led blink green led blink yellow led blink FY wall mounting motor red led blink dark at the same time yellow led blink New FY wall mounting motor red led blink green led blink yellow led blink Hanging indoor units red led blink green led blink yellow led blink Communication error Check if the No communication line of indoor unit is connected Check the orientation of plug and socket Yes No Measure if the communication line is through Replace the communication line Yes E Check if the E line of indoor and outdoor unit is connected correctly Check the orientation of plug and socket Yes Check if the two ends of communication line are mounted with magnetic ring
222. ntion against low temperature E2 Error weithiol temperature Fb 8 P sensor 2 digital Outdoor ambient temperature sensor F4 Indoor ambient temperature FO error sensor error Outdoor tube inlet sensor error F5 Exhaust overtemperature E4 Outdoor tube middle sensor error F6 Low pressure protection E3 Outdoor tube exit sensor error F7 Overcurrent Protector 5 Error with exhaust temperature sensor 1 fixed frequency F8 High pressure protection El Indoor tube inlet sensor error Fl Communication error E6 Indoor tube middle sensor error F2 High pressure valve error Fe Indoor tube exit sensor error F3 Low pressure valve error Fd Error with exhaust ph ME F9 Water full protection Cassette Eb sensor 2 digital Error with oil temperature sensor 1 fixed frequency 1 1 3 Trouble display of mainboard LED of cassette type indoor unit Trouble LED Trouble name Electrical source LED Operation LED Timing LED Tube inlet sensor error Tube middle sensor error 9 Tube exit sensor error Room sensor error Defrost Antifreeze Water full protection e Mode conflict Communication error Outdoor unit failure Auxiliary heater error Legend bright o dark e blink 1 11 4 Trouble display of mainboard LED of LengJingwang Tu TU Tube Room 2n Mode omm Outdo nlet iddle xit Def Antifr unicati Trouble name sensor conflic or unit sensor sensor sensor rost eez
223. o joo j i 8 9 Sla mil cO o o ooj oj oj o o oil o j o o o oi oil o 7 5 err 3 S S ot ry ery rer SO Ss HS Hl HL NIL NDI o0 o0 o o lt O O O O m O p oO Pan oO R oO Ee OoOo e O e O e O e Oo en NH Ay _ _ AN Dice en ON es PO en NO OO ee _ _ Lal we e O e O E oO e O e O E O E oO e OoOO e Oo e O e O e Oo o Oo e oOo e oOo e o t Ot wey wy em e amp on C NEN CO NU m c Re IN CO NES E NS n Pia du lt A cO oc oioi o o mn i o io icoioi i ico o i i icoi io i i ioi o inn i c fol ey NX 555 Pel el EE fey BEES Key 90 MODULAR D C INVERTER MULTI VRF CONTROL Step 4 System Setting of Centralized Controller SYSTEM SETTING includes ADDRESS SETTING and INITIALIZE SETTING The former one is used for setting address of
224. odule The Sketch Map of COM as shown below With air With PC or other conditioner communication modules 2 Use Instruction Please check the user manual of communication module for details information 5 Installation Criteria of Communication Module Ensure the specification of power adapter to avoid malfunction or damage to the communication module Ensure unique DIP address of each communication module in the project to avoid malfunction Ensure communication cable connects with correct COM to avoid malfunction The communication modules should be put in centralized control cabinet together to avoid direct sunlight or high temperature and wet environment Power transformer specification input 200 50HZ and output DC9V 800mA 99 MODULAR D C INVERTER MULTI VRF CONTROL 1 4 Centralized Control Cabinet user provided parts Communication Module Power Socket Repeater 1 Function Instruction t can put the communication modules together for convenient centralized management and reliable operation 2 Dimension The following dimension is for reference The cabinet is designed according to 10 communication modules into If more modules are needed the cabinet should be designed once again The internal structure should accord to actual state The external dimension of the cabinet Unit mm 800 730 70 DE 400
225. ol cables remote control and signal line outside the machine with other cables otherwise the machine might become malfunctioned or failed due to electrical noise The power cord must be always connected to the power cord terminal board and fixed by using the lock connector included with the machine Meanwhile prevent them from contacting the fitting pipe The diameter of power cords shall be large enough See below for the detailed specifications The damaged power cords and connection lines must be replaced with the designated cables When connecting the cable please confirm that all the electrical components inside the electric box shall have no coupling or terminal loosened Improper installation of electric box cover may lead to potential water leakage which will cause the unit abnormal or short circuit Earth lead must be connected before connecting the power cord An earth lead longer than the power cord shall be provided For site wiring please refer to the circuit diagram attached on the machine body 166 MODULAR D C INVERTER MULTI 9 2 Specifications of Power Cord amp Circuit Breaker INSTALLATION Total Vacuum Total Type m switch for ower HP Mau P Wire diameter for Model Power switch each wire mee Numb each combination unit capacit combination diamete unit r 8 INV P
226. ole for maintenance After installation of hidden duct type unit manhole must be provided in ceiling on the electric box side of the indoor unit In respect to the manhole the following points must be taken into consideration For access the manhole size shall be larger than 500mmx500mm The manhole must be at a possible easily accessible for repair of electric elements and pipe The air inlet may also be used as manhole for repair of motor 4 2 Cassette Type 117 MODULAR D C INVERTER MULTI INSTALLATION 4 2 Selection of installation site 1 Obstruct should put away from the intake or outlet vent of the indoor unit so that the airflow can be blown though all the room Make sure that the installation had accord with the requirement of the schematic diagram of installation spaces Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating noise and oscillate The horizontally of the installation place should be guaranteed Select the place where easy drain condensated coagulated water and easy connect with outdoor unit Make sure that there are enough space for care and maintenance Make sure that the weight between the indoor unit and ground is above 1800mm When installing the steeve bolt check if the install place can stand the weight 4 times of the unit s If not reinforce before installation Refer to the install cardboard and find where should be re
227. oller region controller can be matched with long distance monitor As a region monitoring controller its control is subject to that of the long distance monitor In the same group one of the mini centralized controllers region controllers can be used as region monitoring controller and matches one or more region wired controller which replace s one or more wired controller in which case the region monitoring controller can also monitor or control the region wired controller Features 00 Function mode 1 00 function mode is factory irilial state Initial state 2 Before using 01 or 02 function mode must be selected Project Features Debugging 1 Both single control and central control to1 16 indoor units in a region are Region Setting 01 Function mode availahle Controller Reginnmnnitnring 2 The wired controller buttons of 16 indoor units in a region can be shielded controller or locked 3 Itcan time 16 indoor units in a region 4 IL tias the function of power off memory Note Wired controller must be reserved with which indoor unit has matched 02 Functiun mude Featuress Region wired 1 replace wired controller lo control selected indoor umils in a region controller 2 It can uniformly time the selected indoor units 3 It has the function of powcr off memory Note Wired controller matched with indoor unit must be removed and indoor unit must be re energized after debugging Fig 1 2 Sketch map to the relation
228. only used in INV L R50Zd Na K 2 INV L R71Zd Na K Exploded diagram and list of components 49 48 47 T 44 43 Nsme 2 24 mw 3 2 2 20 Pipe Clip 70812001 Drainage Pipe 05235433 1 26232001 22 Right Side Foam sub assy 12312407 Right Fixing Palte Support of Motor Bearing Fixer of Motor Support Right Decoration Panel Pipe Clamp Electric Box Wire Base Wire Clamp Terminal Board Fuse 5A 250VAC Main PCB Z6935 Ring of Bearing Fan Bearing Transformer 57X25C Cover of Electric Box Centrifugal Fan Rotary Axis Capacitor CBB61 3uF 450 Motor EN100A Motor Fixer Motor Clamp Axes Connector NTN 6 _ Right Fixing Pate O 24 Support of Motor Bearing 25 Fixer of Motor Support O 26 Right Decoration Panel 7 Pipeciamp 28 Blectric Box 29 20 wireclamp 32 FusesA2sovAc 0 2 55 ManPCBze35 34 Ring of Bearing __ O 5 Pan Bearing 00000 02 36 transtormers7xasc_ i O 37 Cover of BlectrioBox O 38 Centrifugal Fan ____ 29 40 Capacitor CBB61 3uF 450 4 Motor FNI00A 0 00 02 8 MotorFixer 44 Motor Clamp o O 44 axes Connector N N 99 AIA AJA p 45 Motor Fixing Plate 01332426 1 65 Swing Louver 10512028 22 66 Signal Cable 400103953 1 sub assy 07334255 EXV SPF 1
229. or e The remote control signal can be received at the distance of up to about 10m e Don t drop or throw the remote control e Don t let any liquid flow into the remote control e Don t put the remote control directly under the sunlight or any place where is very hot CONTROL FAN button Press the button to change the speed of the fan according to the following order SWING FAN SPEED 2 m uf M AUTOFAN button ITO L p Set temp increases 1 mw 5 OFN AIR by pressing and H decreases 1 c by pressing NC NC once SWING HUMID LIGHT SAVE W DRY as Set temp 16 c 30 c 23 TIMER ed Set temp 16 30 amp amp HEAT iC Set temp 16 30 Set temp 16 30 ff X ON OFF button MODE button Press the button to turn on Press the button to change the unit Press the button mode gee to the once again to turn off the SNe DICE 5 unit and cancal the timer gt WM 4 2 9 MODE ON OFF NOTE The cooling only eee 5 units have no lt mode NOTE After every indoor unit received the turn off signal the fan and electric inflate valve will continue to work for 20 70mins to make use of the rest cool or rest heat while f
230. or and outdoor units According to the net diagram connect the communication line between indoor unit and outdoor unit Then cut off the communication line between the mainboards of indoor unit and outdoor unit as shown below um main broad of OUD main broad of UD Align the cutting terminals and terminals of communication line to COMI as shown below 83 MODULAR D C INVERTER MULTI VRF CONTROL In this case there are two methods to connection of them Method 1 Welding Weld the two cutting terminals by yellow to yellow and brown to brown as shown below And then weld the terminals of communication line to COMI with the welding spots in the above figure together by yellow wire to brown wire as shown below At last wrap the welding spots with insulating tape and test conduction performance of the three communication lines as shown below 84 MODULAR D C INVERTER MULTI VRF CONTROL Method 2 Triple adapter Make crystal heads for the three lines The connection direction should be the sameas in the above welding figures i e yellow to yellow and brown to brown wire of indoor and outdoor units but yellow to brown wire of communication line to COM1 The crystal heads are as follow Insert the three crystal heads into the triple adopter and test conduction performance of them as shown below E Connection of Communication Modules and Centralized Controller Connection of COMI of communication module whic
231. or figure is as follow 81 MODULAR D C INVERTER MULTI CONTROL Pinboard 3 core neilsbed connects with indoor unt or modules and 4 core neilsbed with outdoor unt Mark C Centralized controller cabinet is mainly used to put communication modules together Refer to Section 3 Instruction to Installation Procedure of System about its figure and connection method of communication modules Mark D Centralized Controller ZJ701 For the first use of it address mapping setting must be made to specify addresses of communication modules which should be controlled In this project example there are 3 communication modules with the address of 01 02 and 03 which are displayed in the centralized controller correspondingly Mark S1 S2 and S3 Telephone 3 way triple adapters are used to connect communication modules with communicating net of indoor and outdoor units Refer to Section 3 Instruction to Installation Procedure of System for its connection method 3 Instruction to Installation Procedure of System Step 1 Integral Design of the Whole System In consideration of features of building and installation of the unit the building is divided into a lot of monitoring regions and then confirm required systems their quantity and installation locations As for this example A Division of monitoring regions According to needs of the users the whole floor is divided into 3 monitoring regions south area office 1 6 north area
232. or preparation for the nest work And this is normal phenomenon NOTE This type of remote control is a kind of general use remote control that is suitable for several types function of air conditioner units Please understand that the functions and buttons that are not suitable for this air conditioner will not be introduced 66 MODULAR D C INVERTER MULTI CONTROL Liquid crystal displayer It shows all set contents SLEEP button Press the button to set SLEEP mode and stop when repressed When the sleep mode is in the cool and dry mode the set temp will increases 1 2 during the set time then the unit will operate according to the temp When sleep mode is in the heat mode the set temp decreases 1 2 during the set time then the unit will operate according to the set temp A 1 2 2 I V A amp SWING FAN AUTOFAN A NT M pO m AIR SWING HUMID LIGHT SAVE T TIMER EE 2B LE LEE irr dcs J P Y fc j M de D vu 2 SLEEP AIR NEC LIGHT S HUMID R ehe e TIMER ON TIMER OFF ANION SAVE _ MODE ON OFF _ a aa care ae Temp Timer button When the unit is operating in
233. ore welding copper pipes must be cleaned washing the inner 141 MODULAR D C INVERTER MULTI INSTALLATION side of pipe with alcohol to ensure no dust and no water in pipeline Nitrogen filled welding shall be used for the welding of copper pipes Nitrogen pressure shall be 0 5 0 1kgf em Nitrogen flow be sensed by hand When multiple multi connected units are installed refrigerant piping must be marked to avoid confusion between pipes of different units A two way drier shall be mounted at the liquid pipe side at the place where an outdoor unit is connected 2 Assemble copper pipes The copper pipe shall be vertically inserted to the specified length The centerline of two assemblies shall overlap The position shall be determined for welding To ensure correct mounting size do not determine the position with your hands thus to prevent the copper pipe from moving when heated See below for the welding size of copper pipe Unit mm A Outer diameter of pipe B Minimum depth of penetration D A Clearance between pipes 6 35 6 0 05 0 21 9 52 12 7 7 15 8 8 0 05 0 27 19 05 22 2 25 4 10 2028 6 12 0 05 0 35 If the mounting clearance is too large the diameter of coarse pipe may be reduced to an appropriate value to according to applicable specifications if any 3 Installation of branch pipe The branch pipe plays the function to divert the refrigerant fl
234. other mode the power supply to the water pump will only be cut off 5 minutes later When it is detected that the water level overflows for 8 seconds regardless of which mode including switching off of unit the unit is in the water pump will start immediately and will not stop if the signal of water level overflow is not removed But the water pump will continue operating for 10 minutes further after the signal of water level overflow is removed Cooling Cooling Operation Stops Not In Cooling Not In Cooling Compressor Starts Compressor Stops Compressor Stops Water Pump Starts Water Pump Water Pump Starts Water Pump Stops Water Pump Stops 5 Minutes 7 5 Minutes Full Water Signal Is Not Valid Full Water Signal Is Removed Water Pump Starts 10 Minutes LI Full Water Signal Is Valid Water Pump Stops Water Pump Stops Electronic Expansion Valve Control A Reset Control of Indoor Electronic Expansion Valve When the indoor unit is powered on the indoor unit will automatically carry out the reset of the electronic expansion valve so that the valve return to the initial position to ensure the correctness of the action of the valve B Control of Superheat Degree During Cooling Operation During the process of cooling or dehumidifying the unit group shall control the open degree of the electronic expansion valve of the
235. ow Therefore the selection and installation of branch pipe is very important to the operation of multi unit Based on correct selection of branch pipe the branch pipe must be installed according to installation specifications Connection schematics for Y type branch pipe The connection of Y type branch pipe is as shown below The inlet is connected to outdoor unit or previous branch the outlet is connected to indoor unit or next branch To other manifold pipe or indoor unit Outlet 1 Site pipe Inlet TM Outlet 2 Site pipe Outdoor us Y type Manifold Pipe 142 MODULAR D C INVERTER MULTI VRF INSTALLATION Installation specifications for branch pipe Placement of branch pipe The branch pipe can only placed horizontally Meanwhile two branch pipes must be on the same plane The spacing between two branch pipes must be over 800mm the spacing between two bends must be over 800mm and the spacing between branch pipe and bend point must also be over 800mm B z 5 COH 2 ES A A Schematics B B Schematics LM EM BN gt 800 5800 Connection of branch pipe The Y type branch pipe is installed with additional tube The purpose is to adjust the different pipe diameters If the pipe size selected on site is different from the size of branch connector please use the pipe cutter to cut from the middle of different connection pipes and remove the burrs Then insert the copper pip
236. p y p p E d JMAS PRES Pps sy HARE 0 DARA Office No 1 Office No 2 Office No 3 Office No 4 Office No 5 Office No 6 Address 1 2 Address 3 4 Address 5 6 Address 7 8 Address 9 10 Address 11 12 Monitor Room INV L Pdm450W NaB M Instruction to Frame Diagram of System Net Mark A Outdoor Unit INV L Pdm 450W NaB M can be connected with up to 16 indoor units In this project this outdoor unit is connected with the communication module with address of 01 and indoor units address 01 12 of office 1 6 corresponding with independent communication Net 2 The mainboard of outdoor unit is as follow 4 core connects neilsbed with pinboards and the other Outdoor Unit 4 _Net 1 amp _ 4 de 3 Mark B Outdoor Unit INV L 280W NaB M be connected with up to 32 indoor units by two pinboards either of which can connect with up to 16 indoor units What s more the quantity of communication modules used is the same as that of pinboards In this project pinboard 1 is connected with the communication module with address of 02 and indoor units address 01 04 of office 7 8 corresponding with independent communication Net 2 Pinboard 2 is connected with communication module of address 03 and indoor units address 01 08 of office 1 2 corresponding with independent communication Net 3 The outdo
237. please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 15 MODULAR D C INVERTER MULTI PRODUCT Model Combined unit INV Pdm785W2 NaB M INV Pdm850W2 NaB M Model Single unit INV Pdm335W NaB M INV Pdm450W NaB M INV Pdm400W NaB M INV Pdm450W NaB M Cooling capacity kW 78 5 85 0 Heating capacity kW 87 5 95 0 Sound Pressure Level dB A 63 63 kg 15 16 16 17 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 9 23 14 32 12 45 14 32 power Heating kW 9 38 13 90 11 2 13 90 Rated Cooling A 16 50 25 60 22 25 25 60 current Heating A 16 77 24 85 20 02 24 85 Dimension mm 1340x770x1670 1340x770x1670 WxDxH 1340x770x 1670 1340x770 1670 D C Inverter Scroll type compressor D C Inverter Scroll type compressor Compressor constant speed scroll compressorx2 constant speed scroll compressorx2 x2 x2 Water proof level 24 24 Climate type mm 034 9 034 9 Gas pipe Inch 11 8 11 8 g E mm 019 05 19 05 S ee Liquid pipe 2 Inch 3 4 3 4 2 pipe Inch 1 2 1 2 Connecting mode Brazing Connectio Brazing Connection Net weight kg 350 370 350 370 Recommended power 2 10 0 5 10 0 5 10 0 5 10 0 5 a The data will change with th
238. presents 3 6kW Btu h kWx3412 P Duct type T Cassette type G Wall mounted Zd Floor ceiling 7 Refrigerant Na R410A 5 Nominal cooling capacity 6 Code for unit type Sequences B The second generation oo 9 Power supply K 220 240V 50Hz Example INV R22G NaB K A wall mounted indoor unit of INVENTOR and the nominal cooling capacity is 2 2kw It s the second generation product and It could connect the outdoor unit with digital scroll the power supply is 220V 240V 50Hz MODULAR D C INVERTER MULTI 3 FUNCTION PRODUCT Auto Restart Fan Operation Mode LCD Remote Controller Option Auto Swing Function Ceiling Soiling Prevention For Comfortable Program Dry Air Conditioning High Fan Speed Mode High Ceiling Application Two Select Thermo Sensor Hot Start Timer Selector Fresh Air Intake Directly from The Unit Drain Pump Long Life Filter Ultra Long life Filter Option For Easy Construction and Mold Resistant Treatment for Filter Maintenance Filter Sign Mold Resistant Drain Pan Emergency Operation Self Diagnoses Function Set Back Time Clock Double Remote Control For Flexible Control Group Control By 1 Remote Controller Control By External Command Remote Centralized Control 10 MODULAR D C INVERTER MULTI VRF PRODUCT
239. r Ungre se eet etn If any oil stain is existent acetone or spirit solvent shall be used for ungrease treatment At the same time compressed air at 0 8MPa gauge pressure shall be used for cleaning The cleaning shall be repeated not less than 3 times until there is no dirt discharged b Check whether clearance between pipe and connector is proper Put the connector into the pipe and face downward If the connector does not fall down depending on friction force the clearance is considered proper c Nitrogen filled protection e Since vigorous oxidation would occur on the surface of copper pipe at braze welding temperature to effectively restrain the generation of oxide coating in copper pipe nitrogen filled protection for copper pipe is necessary e After copper pipes are assembled nitrogen shall be filled in copper pipe connectors e Method for charging nitrogen into copper pipe Nitrogen charging method Pressure is 0 550 1kgficm Nitrogen flow of 4 6L min gas flow can be sensed by hand shall be guaranteed to charge in work pieces After assembling nitrogen begins to charge until welding is finished and will continue over 10s during cooling after welding gt lt Main points of nitrogen charge See the drawing below 146 MODULAR D C INVERTER MULTI INSTALLATION When nitrogen is charged the press switch on the quick connector and inflator shall be closed to let nitrogen totally filled in the pipe
240. r 1 Operating mode display Cool Dry Fan Heat 9 On Off button 2 Sleep mode display 10 Timer button 3 Environmental temp display Malfunction display Ht Sleep button 4 Fan control display automatic high media low 12 Swing display 5 Set Temp display 13 Fan control button 6 Defrosting display 14 Temp Timer decrease button 7 Timer display 15 Temp Timer increase button 8 Signal receptor 16 Mode button 69 MODULAR D C INVERTER MULTI CONTROL 3 2 Dimension i ran 1 N d EB d EB i L 54 _ _ 85 9 3 25 6 n B L 85 Fig 4 3 1 Outlinr dimension of wireless remote controller Fig 4 3 2 Installation dimension of wireless remote controller 3 3 Installation M 7 i ME 2 te i 4 p A 1 221 14 Fig 4 4 Installation of wire remote controller SN 1 2 3 4 Casing base installed into the wall Controller Soleplate Screw 4 25 Controller Panel eNotice for installation under the guidance of Fig 10 1 Cut off power supply before install the electrical components It is forbidden to carry out the installation with power on 2 Get one end of the 4 core communication cable and put it through the rectangular hole on the base board on the w
241. r to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 12 MODULAR D C INVERTER MULTI VRF PRODUCT Model Combined unit INV Pdm450W NaB M INV Pdm504W NaB M INV Pdm224W NaB M INV Pdm280W NaB M Cooling capacity kW 45 0 50 4 Heating capacity kW 50 0 56 5 Sound Pressure Level dB A 61 62 R410A charge amount kg 17 12413 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Cooling kW 14 32 5 52 7 52 Rated power Heating kW 13 90 5 82 7 70 Cooling A 25 60 9 87 13 44 Rated current Heating A 24 85 10 40 13 76 IPLV 4 15 Dimension mm 930x770x 1670
242. re project adjusting 78 MODULAR D C INVERTER MULTI CONTROL 5 4 Connection Between Controller and Unit 5 4 1 Communication network The following is a brief sketch of communication net of multi variable units Communi cation Indoor control module 1 Central control 58584 Communication module N Indoor control The max of N is 64 Outdoor unit As shown in figure the at A are parting lines for communication net Left side of the is the communication net between central control and communication module while the right side is that between multi variable outdoor unit and indoor units The 2 nets are individual nets Before normal use of central control do conduct addresses setting and adjusting to communication system by installation personnel Only after that can the central control offered to be used by user 79 MODULAR D C INVERTER MULTI 5 5 Case Study CONTROL Take one floor of an office building for example to illustrate wiring and debugging of the centralized control system In this floor there are 2 assembly rooms 8 offices and 1 monitor room Refer to the following illustration for its plane structure WE SVE SMBS PASO Assembly Room No 1 Assembly Room No 2 Office No 7 Office No 8 PRE HARE J C Office No 1 Office No 3
243. rect Protective cover E Freshair Fresh air Fresh air suction suction side side back side side back side i 7 222 side Fresh air suction side back side The defrost time will be extended under this condition 1000 The snow shall be taken into consideration when installing the outdoor unit To prevent the snow from covering the air outlet and air inlet it is required to use an protective cover on air outlet and air inlet and use a higher foundation base Correct Incorrect m Air outlet f protective cover ON to be provided Monsoon on installation Monsoon site LI i Air outlet protective _ cover to be provided installation site J eee The base height consider the snow 112 MODULAR D C INVERTER MULTI INSTALLATION 4 INSTALLATION OF INDOOR UNIT 4 1 Duct Type 4 1 1 Selection of installation site e The selection of the installation place of the air conditioner unit The installation must accord with the national and local safe criterion Since the quality of installation would affect the operation directly user should contact the seller and have the condition
244. rectly by flame Heating time shall not be very long e During welding flame shall be controlled well on its direction and kept away from rubber casing sponge and cables e Post welding treatment cooling eAfter welding in the condition of nitrogen protection available the connector shall be heated until the copper pipe changes color 200 300 i e annealing treatment e Before welding seam becomes completely solidified welded pieces shall not be moved or shocked e For welded piece cooled by water take care not to let water enter into copper pipe and try to prevent residue water flowing into the pipe when welded piece is laid aside f Quality and inspection of braze welding Welding seam should have smooth surface Fillet should be even and full with natural arc transition Braze welding connector should be free from defects such as over burning welding blockage crack rough surface of welding seam and burning through Welding seam should be free from defects such as pore slag inclusion underfill rosin joint and overlap Weld spot 5 Others When braze welding is to be performed underneath a simple support shall be built such as two ladders 147 MODULAR D C INVERTER MULTI INSTALLATION Braze welding shall be easy to operate downward or in transverse direction In upward operation brazing filler metal is prone to fall so that high skills are required O O A Solder Solder C1 Jj Weld torch
245. ressure Level H L dB A 44 40 45 41 54 H External Static Pressure Pa 100 50 120 Power Supply 220 240V 50Hz 220 240V 50Hz 380V 3N 50Hz Output kW 0 225 0 225 1 1 Fan Motor Running Current A 2 14 2 14 2 8 mm 15 9 15 9 19 05 Gas Pipe inch 95 8 95 8 03 4 2 mm 99 52 99 52 99 52 1 Liquid Pipe inch 93 8 93 8 93 8 Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes T 252 External Dia x Thickness mm 30 1 5 30 1 5 1 screwed joint Unit Dimensions WxDxH mm 1385x736x300 1385x736x300 1500x1000x500 Package Dimensions mm 1514x795x360 1514 795 360 1840 1200 673 75 79 150 200 Notes 7 design of this unit comply with the national executing standard of GB T 18837 2002 2 Refer to the product nameplate for parameters and specification of the unit 3 The model with INVL code is cooling only unit while the model with INV code is heat pump unit the cooling only units dose not have any parameters of performing heating 4 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 31 MODULAR D C INVERTER MULTI VRF PRODUCT Model INV L R280P Na K INV L R22P NaB K INV L R25P NaB K kW 28 0 2 2 2 5 Cooling Capacity Btu 95540 7507 8530 kW 31 0 2 5 3 0 Heating Capacity Btu 105780 8530 10236 m3 h 4800 450
246. rewdriver to remove the screws fixing the motor clamp and remove the screws connecting the motor and cross flow fan Then the motor can be separated from the cross flow fan 5 EXPLODED VIEWS AND PART LIST 5 1 Outdoor Unit 1 Model INV Pdm224W NaB M Exploded View n o UU es ere 25 24 23 ze bae Zoe INV Pdm224W NaB M parts list No Name of part Part code Quantity 1 Left side panel sub assy 01313256P 1 2 Leading cover VPd280 apricot ash 26904101 1 3 Back cover plate 01313261P 1 4 Front cover plate 01264142P 1 5 Windshield left 01354102 1 6 Condenser assy 01124160 1 7 Windshield right 01354103 1 8 Fixing support sub assy NO 2 01324120P 1 9 Fixing support sub assy NO 1 01324221P 1 10 Axes flow wind leaf sub assy VPd280 black 10338702 1 11 Motor support 0132431501P 2 12 Motor SWZ750A 15704106 1 13 Motor support sub assy 01324180P 1 14 Liquid branch circuit valve sub assy 2 04634234 1 15 4 way valve sub assy 04144160 1 16 Suction pipe sub assy 1 04674172 1 17 Liquid branch circuit valve sub assy 1 04634233 1 18 Liquid gas separator 07424132 1 19 Oil return pipe
247. roducts Refer to those parameters listed on nameplate b Noise was tested in semi silenced room so the actual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 22 MODULAR D C INVERTER MULTI PRODUCT Model Combined unit INV Pdm1570W4 NaB M INV Pdm1650W4 NaB M Model Single unit INV Pdm280W NaB M INV Pdm400W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm280W NaB M INV Pdm450W NaB M INV Pdm450W NaB M INV Pdm450W NaB M Cooling capacity kW 155 0 163 0 Heating capacity kW 176 5 181 5 Sound Pressure Level dB A 65 66 R410A charge amount kg 13 16 17 17 13 17 17 17 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 12 45 14 32 14 32 7 52 14 32 14 32
248. ry or setting Note 1 Contents in the double quotation marks indicate the display in LCD Following part is the same to it 2 Online indoor units to Mini Centralized Controller indicate that in a region Following part is the same to it 3 No signal control function for region wired controller and SINGLE won t be displayed either 74 MODULAR D C INVERTER MULTI CONTROL 4 4 Connection Between Controller and Unit Insert the 4 core twisted pair line to wired controller if which is with the indoor unit into mini centralized controller region controller wiring terminal CN1 or CN2 and then connect the other wiring terminal CN2 or CN1 with the main board of indoor unit If there is no wired controller with indoor unit introduce a 4 core twisted pair line to indoor unit main board and connect it with mini centralized controller region controller wiring terminal CN1 or CN2 Note Any main board of the indoor unit controlled by the mini centralized controller region controller can be connected If the mini centralized controller region controller is used as a region wired controller wired controller with the indoor unit must be removed Region Controller 4 core twisted pair line Main board of Indoor unit 4 4 core communication line terminal 4 core twisted pair line Wired controller or a A region controller 4 core communication line terminal Optional connection Fig2 1 Power
249. s 2MODE and Shield mode Under single central control press MODE and TIMER simultaneously to start stop 6 TIMER the shield of operation to MODE button of wired controller for selected indoor unit 4 Wand Shielding Tem Under single central control press and TIMER simultaneously to start stop the 6 TIMER 8 shield of operation to Temp button of wired controller for selected indoor unit 7 ON OFF and Shielding Under single central control press ON OFF and TIMER simultaneously to start stop 6 TIMER ON OFF the shield of operation to ON OFF button of wired controller for selected indoor unit Memory mode Refer to power off memory function about the details 4 Wand Selection A Check the control mode of region monitoring controller region wired controller 7 ON OFF of function B Set the control mode of region monitoring controller region wired controller Note 1 The characters with gray back ground indicate buttons Following part is the same to it 2 The time of single press of the button is more than 3s which means successively press 3 There isn t the function that the region wired controller shields other indoor wired controller 72 CONTROL MODULAR D C INVERTER MULTI 4 3 Display View UIRY H cGNER 9 10 11 12 13 14 15 16 2 3 4 5 6 7 8 S MODE C iR A 10 11 v 5 158 FAN 14 Lo SLEEP LO 1 Q TIMER
250. s equipped with one 30 sets Repeater E 3 Repeater 00m the communication cable and heavy current wire should be separated and the distance between them can not be below 94 MODULAR D C INVERTER MULTI CONTROL 15cm line A and line B of Bus 485 should respectively correspond with line A and line crystal head crystal head buckle is downwards 4 core crystal phone plug 485 A line 485 B line 2 Wiring Diagram 3 way i n um COM2 COM2 02 com 02 2 2 D gt D2 02 W Hz ZJ6012 n RS232 485 Converter 3 3 R D Rs485 27 or welding IDU gt orweldina _ IDU R D Rs485 B ODU A OCU a pi Di J D1 D1 COM2 D2 02 02 02 02 2 2 6012 2 6012 m 1 2 6012 254 Description of above communication cables Cable Description D1 crystal head and the other end is XH 4 core pin connector 2 core Type V twisted pair wire D2 both crystal head Standard parts crystal head and the other end connects of it connects with wiring terminal of converter D3 n 2 core Type V twisted pair wire H2 both 9 core head Standard parts 95 MODULAR D C INVERTER MULTI 6 3 Hardware 1 Introduction to Main Devices 1 1 R232 R485 Optoelectronic Isolated Converter standard parts Working i
251. set temperature Displays value of pre set temperature 12 Ambient temperature Displays value of ambient temperature of present indoor unit 13 Swing and Defrost Displays operation of swing at indoor unit and defrost at outdoor unit Setting operation mode of central control It should be completed by installation personnel but not for users 15 Control mode Displays 3 control modes of Central Single and Select controls When Indoor on addresses of present online indoor unit is displayed When domain on soft address of present online communication module is 16 Displays of soft address displayed Specific location of controlled indoor unit can only be ascertained when soft address fits Project Installation List Instruction to display interface System Setting Including Address Setting and other functions and it is set when installation personnel are adjusting units It is not recommended that users operate it The usage of this function requires password Address Setting Since characters from 01 to 64 are fixed as the addresses of controlling communication modules displayed by central control hereinafter called soft addresses and the addresses of communication modules themselves hereinafter called hard addresses are value from 0 254 thus there is address matching problem between central control and controlled communication module In order to solve this problem address mapping setting is required to be conducted befo
252. sion valve The electronic expansion valve is set once every 40 seconds b Temperature Control Through the openness and close of the indoor electronic expansion valve the indoor unit realizes the control to the temperature refer to the following figure When the capacity demand of the indoor unit is 0 the electronic expansion valve closes When the capacity demand of the indoor unit is not 0 the electronic expansion valve opens Expansion Valve ON Expansion Valve OFF If the indoor units of the same unit group all reach the temperature point and the demand of the unit group is 0 the outdoor unit shall stop the operation of the compressor and the electronic expansion valve of the indoor unit closes c Indoor Fan Motor Action When the indoor unit operates and the fan motor is not set at the automatic air speed grade the indoor fan motor continue operating at the set air speed whether the capacity demand is 0 When the indoor fan motor is set at the automatic air speed grade the fan motor decides the fan motor air speed according to the change of ambient temperature indoors Refer to the following figure High Air Speed Grade Medium Air Speed Grade Low Air Speed Grade 1 2 3 144 Indoor Ambient Temperature Indoor Set Temperature Automatic Air Speed Grade For Cooling General High Air Speed Grade Medium Air Speed Grade E MEE 1 1 2 3 144 Low Air Speed Grade Indoor A
253. stallation Cassette type Unit Removal and Assembly of Fan Motor Step Illustration Handling Instruction 1 Loosen the screws fixing the water tray e Use screwdriver to loosen the screws fixing the water tray 2 Remove the water tray Remove the water tray 3 Loosen the bolts fixing the fan e Use spanner to loosen the bolts fixing the fan 4 Remove the fan Remove the fan 5 Loosen the screws fixing the motor e Use screwdriver to loosen the screws fixing the motor 6 Remove the motor and replace it e Remove the motor replace it 7 Tighten the screws fixing the motor Use screwdriver to tighten the screws fixing the motor 8 Mount the fan and tighten the fixing bolts 9 Mount the water tray and tighten the screws e Mount the fan and use spanner to tighten the bolts fixing the fan e Use screwdriver to loosen the screws fixing the water tray Removal and Installation of Drainage Pump Step Illustration Handling Instruction 1 Loosen the screws fixing the water tray e Use screwdriver 10 loosen the screws fixing the water tray 2 Remove the water tray e Remove the water pump and replace it 3 Pull out the water outlet pipe and loosen the screws fixing the water pump Pull out the water outlet pipe and use screwdriver to loosen the screws fixing the w
254. stand a temperature not lower than 70 C on both liquid pipe side and gas pipe side Example Heat resistant PVC foam over 120 C Foam PVC over 100 C The connector between indoor unit and outdoor unit shall be wrapped with thermal insulation materials and shall have no clearance to the wall on which the outdoor unit is mounted as shown below LAR LLL s No clearance When wrapping the thermal insulation tape each circle shall suppress half of the previous circle To avoid reducing the thermal isolation effect do not wrap the tapes too tight After completing the protection work and wrapping the pipes use the sealing materials to block the holes in the wall 6 11 Vacuum Pumping 1 Purposes of vacuum pumping Discharge air and nitrogen in the piping to obtain vacuum state Vacuum is dry capable to remove moisture in the system Under atmospheric pressure the boiling point of water is 100 C But with increased vacuum degree created by vacuum pump the boiling point rapidly reduces If boiling point reduces below ambient temperature moisture in piping will be evaporated If vacuum is OKgf cm of absolute pressure gauge pressure is 1Kgf em moisture in the system can be evaporated totally 2 Selection of vacuum pump Proper vacuum pumps must be selected before vacuum pumping Insufficient capacity of selected vacuum pump would lead to overtime of vacuum pumping and fall short of the requirement for vacuu
255. sy 22202051 Evaporator Assy 01004629 5 ingot Boxing 1 3 mem o 1 e Motor Right Clamp 20 Motor FN22G 150120623 1 21 electric BoxCover 22907 S 22 4 bit Terminal Board 42011233 _ 5 2 4 Exploded diagram of floor ceiling unit and list of components 1 INV L R28Zd Na K INV L R36Zd Na K INV L R50Zd Na K Exploded diagram and list of components 4 5 6 7 le INV L R28Zd Na K INV L R36Zd Na K NO Name INV L R50Zd Na K Rear Side Plate Right Decoration Plate 12 19 Pipe Clamp Plate 0107243701 20 21 22 Main 76935 30226903 10 11 12 13 14 15 16 17 18 24 25 5 26 f 27 28 i 29 1 30 31 32 33 34 35 36 3 3s 39 40 T 42 3 4 44 Left Fixing Plate of Evaporator 01072410 1 Motor Clamp Left Swing Motor Fixer m 48 Evaporator Assy 56 58 Fix sbasy 61 sub assy 07334258 1 62 EXV SPF 16D70 07334191 1 L4 Magnet Coil for EXV DPF AS001A 430001087 1 Display Board Z63351F 30296309 1 Evaporator omponent Dis only used in INV L R28Zd Na K 1 2 Evaporator omponent 215 only used in INV L R36Zd Na K 3 Evaporator omponent 315 only used in INV L R50Zd Na K 4 3 Remarks Electrical motor is only used in INV L R28Zd Na K INV L R36Zd Na K Electrical motor Gis
256. t filling nozzle shall be welded respectively on the big pipe and on the small pipe on the outdoor unit side Pipes connected to the end of indoor unit and outdoor unit shall be clamped to be flat and welded to be sealed Enter into the step of connection pipe pressure keeping and leak hunting Operating Steps Complete the Pressurization Check Finish rt seins jm piping Locate and repair leakage Use nitrogen to add pressure from Freon nozzle of the gas and liquid pipe on outdoor unit side Pressurization Step 1 Increase the pressure to 0 3MPa and wait for 3 minutes or longer Step 2 Increase the pressure to 1 5MPa and wait for 3 minutes or longer The step 1 and 2 are focused on checking the significant leakage point If any reweld immediately or repair the leakage point Step 3 Increase the pressure to 2 5MPa and keep it for approx 24 hours to check the small leakage Though the pressure is increased to 2 5MPa it cannot be guaranteed to find out the small leakage if the waiting time is too short Therefore the pressure in Step 3 must be kept for 24 hours Note During pressure maintaining after nitrogen is filled the pressure gauge shall not be dismantled because activities of dismantling or mounting pressure gauge would affect pressure change Check pressure drop Criteria for Inspection eligibility X Except for temperature influences pressure changes about 0 0
257. t protection of fan motor drive Overheat protection of fan motor module Communicationerror with fan motor drive board and main control Ols Overheat protection of fan motor and motor Communication error with indoor units and outdoor units E6 Defrosting normal operating not error Oil return operating normal operating not error Balancing oil normal operating not error Online testing ambient sensor Outdoor temperature error F4 Error with outdoor coil inlet temperature sensor F5 Indoor coil middle temperature sensor error F6 Outdoor coil middle temperature sensor error F7 Variable frequency exhaust temperature Sensor error F9 Fixed frequency 1 error with air out sensor F8 Fixed frequency 2 error with air out sensor F8 177 MODULAR D C INVERTER MULTI MAINTENANCE Variable frequency top casing temperature sensor error Fixed frequency 1 error with sensor of housing head cover Fixed frequency 2 error with sensor of e housing head cover High voltage sensor error Low voltage sensor error 9 9 The quantity of modules and dial up is inconformity Other modules stop due to error 4
258. te During welding take care not to let the flame burn other elements 4 Move away the liquid storage tank eAdjust and lean the connection pipe on the liquid storage tank thus to pull the liquid storage tank out the liquid storage tank from the left electric box 5 Assembly new liquid storage tank 6 Fix the electric box and tighten the fixing coil e Weld the two joints on liquid tank e Weld by charging nitrogen with the nitrogen pressure kept at 0 5 0 1kgf c m relative pressure Note During welding take care not to let the flame burn other elements eLift the electric box and fixed with fixed screws eTighten the left fixing coil of electric box and the fixing coil below that 7 Check and fix the front plate SEVHE
259. ter diameter 25mm 32mm gt The drainage pipe shall be short and has a down gradient of 1 100 at least thus to avoid air bag gt ensure that the drainage hose will not be bent and has enough gradient a distance of 1 1 5m shall be kept between the hanger frames 160 MODULAR D C INVERTER MULTI INSTALLATION P Gradient over 1 100 gt Use drainage pipe and clamp Insert the drainage hose to the root From the middle of white tape tighten the clamp until the tightening distance to the screw head is shorter than 4mm A For thermal isolation use sealing tape to wrap the drainage pipe and clamp B The indoor drainage hose shall be thermally insulated Big sponge accessory Clamp accessory Drainage hose Below 4mm Sponge grey C To prevent foreign articles from entering the pipe please minimize the bend of pipeline thus to ensure cleanliness of the drainage elbow D The drainage pipe must be wrapped with thermal insulation tube thus to avoid condensing on the outer surface of drainage pipe See below for the thickness of thermal insulation tube Thermal insulation of condensate pipe Pipe cover Drainage Pipe mm Outer Dia Thickness of Thermal Insulation Materials mm O17 215 27 gt 20 gt 34 9 gt 20 Notes E The inclination of drainage hose 1 shall be within 75mm so that the drainage insert will not bear excessive force F To connect the drainage pipes
260. the air conditioner the selection of installing position must be in accordance with the following principles The air discharged from the unit will not flow back and there shall be adequate service space around the machine The installing position shall be in good ventilation so that the machine can breathe and exhaust enough air Ensure that there is no obstruction at the inlet and outlet of the machine If any please remove the obstructions blocking the air inlet and outlet The installing position shall be strong enough to withstand the weight of outdoor unit and be able to isolate the sound and absorb the vibration Also ensure that the outlet air and noise from the air 107 MODULAR D C INVERTER MULTI INSTALLATION 9 conditioner will not affect the neighbors The outdoor unit must be lifted by using the designated lift hole During lifting take care to protect the air conditioner and avoid knocking the metal parts thus to prevent rusting in the future Avoid direct sunshine as it might be The installing position must be able to drain the rainwater and the water generated from defrosting The installing position must ensure that the machine will not be buried in the snow or affected by the wastes or oil mist To meet the noise and vibration requirements the outdoor unit shall be installed by using rubber damping pad or spring damper The installing dimension shall comply with the installation require
261. the fixed nuts e Assembly electric heating belt 6 Check and fix the front plate Check if the elements and wires are connected correctly eAfter that cover both sides of the front plate and fix nuts Removal and Installation of Gas Liquid Separator Remarks Before removing Gas Liquid Separator make sure that there is no refrigerant inside the pipe system and that the power has been cut off Step Illustration Handling Instruction 1 Loosen the lower eDismantle the left and right front fixing coil of the plate and put away right electric box and the fixed nuts of electric box eLoosen the lower fixing coil of the right electric box and the fixing coil below that eLoosen the fixed nuts of the right electric box with screwdriver 2 Push down the right electric box ePut a chair or other support with a certain height at the front of the left electric box ePush down the left electric box again and put the chair or support under the front part of the electric box 3 Removal
262. the indoor unit and wire controller dial up 1 Address code Address dial up must be set for the multi indoor units otherwise the abnormal communication will be caused to the unit The address code has 4 bit dial up in total The highest address is 16 and the lowest address is 1 NOTES To use multiple indoor units in parallel make sure to change the setting of address code before installation and guarantee that the address code of each indoor unit must be different The address code is located on the mainboard of indoor unit If wired controller is used make sure to dial the address code of wired controller to the position same as the address code on corresponding indoor unit The address code of wired controller is located on the back of wired controller yBelow is factory default setting The default setting of address dial up code is 0000 and the address is 1 See above for the position of dial lever x Dial up Value The dial up value of address code is set in binary system The dial up value is 0 when the lever is dialed to ON end the dial up is 1 when the lever is dialed to numerical end on opposite side For number 4 1 on the address code the dial up 4 refers to high bit and the dial up 1 refers to low bit Dial up Table 4 bit Dial up Switch 4 bit 3 bit 2 bit 1 bit Address 0 0 0 0 1 0 0 0 1 2 0 0 1 0 3 0 0 1 1 4 0 1 0 0 5 0 1 0 1 6 0 1 1 0 7 0 1 1 1 8 1 0 0 0 9 1 0
263. ties shall be performed e Construction Schedule shall be worked out f Head of each group shall be assigned 6 Risks of occurrence of an accident such as electric shock or fire shall be indicated h Instructions on how to use electric machinery properly shall be available 144 MODULAR D C INVERTER MULTI INSTALLATION i Locations marked with Staff Only shall be indicated j An application is necessary for use of open flame and shall be reviewed by on site safety officer for approval k Instructions given by fire authorities shall be accepted in accordance with local laws and regulations 1 Tools shall be sorted and counted Upon knocking off for the day tools shall be sorted and counted If necessary the piping system shall be charged with coolant to avoid exhaustion 3 Attention a Construction personnel must have relevant operation qualification Flame operation must be undertaken by qualified persons in accordance with local laws and regulations b Wear coveralls cotton for the best safety shoes safety helmet leather gloves protective goggles and anti dust mask Welding torch with back fire arrestor shall be used to ensure safety c Take care not to be burned by flame and heating parts d Gas cylinder shall be handled carefully to prevent leakage e Combustible substances in the surrounding areas shall be moved away If movement is impossible fire proofing treatment shall be taken properly such
264. tor with automatic motor support the motor support shall be removed advance then changed to the unit 7 Assemble the unit in reverse to the disassembly procedures e Assemble the unit in reverse to the disassembly procedures and energize it for testing Duct Iype Unit 5 6 kW 8 0 kW Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly Step Illustration Handling Instruction 1 Unplug the motor cables e Cut off the power supply of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the filter sub assembly and air inlet cover board e Remove the filter sub assembly from the air inlet frame and use screwdriver to remove the air inlet cover board 3 Remove the screws on fan sub assembly Remove the screws on fan sub assembly 4 Overturn the propeller housing e Rotate the propeller housing to the air inlet according to direction 5 Loosen the fan and motor e Use inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor 6 Replace the motor e Firstly disengage the motor from motor support Then sequentially disengage the fan sub assembly form the motor shaft Remove the motor from the air inlet and replace
265. tting pipe might be flattened The copper pipe shall be rounded if the pipe end is deformed The higher the size the higher the possible deformation 3 Measuring To reduce the resistance and length of copper pipe the dimension of main refrigerant pipe shall be so taken that the bends shall be minimized the radius of bend section shall be increased and the upstream and downstream section shall be reduced Use the method that can reduce the actual length and equivalent length of the copper pipe Sometimes the connection pipe of indoor unit must be adjusted due to the relation with accessories drainage pipe and connection surface Therefore a fairly marginal dimension shall be taken 4 Cut Chamfer Cut 139 MODULAR D C INVERTER MULTI INSTALLATION a Cut vertically to axis direction by using special pipe cutter that is suitable to the dimension of copper pipe big medium small b During operation press and rotate the pipe cutter slowly and cut off the copper pipe without causing any deformation Never use saw or grinding wheel because the copper scraps may be left inside the pipe Even use of such tools once will make all works scrapped It is useless no matter how good the quality of other works It is best that all operators shall have one pipe cutter and at least one pipe cutter of big dimension shall be provided on site CAUTION To prevent the invasion of water or waste avoid placing the copper pipe directly o
266. tual noise value will be a litter higher for change of ambient c The charge amount of refrigerant in the list is the datum when there is not drop height vertically between indoor unit and outdoor unit without consideration of connection pipe So calculate the additional charge amount according to actual condition during installation d Section area of lead wire is only applicable for 15 m distance If above increase the section area to avoid overload of current which would cause burnout of lead wire e The outdoor fan of this unit is without static pressure If static pressure is required please specially notice it on purchase order f Running condition of cooling outdoor tem 5 C 48 C running condition of heating outdoor tem 20 C 27 C 14 MODULAR D C INVERTER MULTI PRODUCT Model Combined unit INV Pdm670W2 NaB M INV Pdm730W2 NaB M Model Single unit INV Pdm280W NaB M INV Pdm400W NaB M INV Pdm280W NaB M INV Pdm450W NaB M Cooling capacity kW 68 0 73 0 Heating capacity kW 76 5 81 5 Sound Pressure Level dB A 62 63 R410A charge kg 13 16 13 17 amount Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz Rated Cooling kW 7 52 12 45 7 52 14 32 power Heating kW 7 70 11 2 7 70 13 90 Rated Cooling A 13 44 22 25 13 44 25 60 current Heating A 13 76 20 02 13 76 24 85 Dimension mm 930 770 1670 930 770 1670 WxDxH 1340 770 1670 1340x770x
267. type compressor 19 Gas by pass value sub assy electromagnetic value 3 Discharge temperature sensor 20 Gas by pass value sub assy capillary 4 Gas equilibrium pipe 21 condenser 5 Oil equilibrium pipe 22 Condenser inlet temperature sensor 6 Oil separator 23 Condenser middle temperature sensor 7 Oil separator sub assy Filter 24 Condenser outlet temperature sensor 8 Oil separator sub assy Capillary 25 Outdoor motor 9 Check Valve 26 Filter 10 4 way valve 27 Check Valve 11 Filter 28 Electronic expansion value 12 Filter 29 Liquid by pass value sub assy electromagnetic value 13 Liquid valve 30 Liquid by pass value sub assy capillary 14 Filter 31 Oil valve 15 Liquid valve 16 Vapour Liquid Separator 17 Low pressure sensor 47 INVENTOR COMMERCIAL AIR CONDITION MODULAR D C INVERTER MULTI CONTROL 48 MODULAR D C INVERTER MULTI CONTROL CONTROL 1 CONTROL OF THE UNIT 1 1 Concept of Integral Control of the Unit 1 1 1 Unit Control Schematic Diagram Inverter drive control system 2 core communication 2 core cable 3 core pin header communication cable 3 core pin header Mainboard of indoor unit communication cable valve sensor Display board board Display board r C of indoor unit of indoor unit of indoor unit Relay High and low Electronic output pressur
268. uitable for mass machining of fine and coarse fitting pipes 6 35mm q69 9mm Advantage Decrease the weld joint thus reduce the possibility of leakage and oxidization It can decrease the weld by 8 spots Please act now to improve the quality No joint is required which will save the material costs Reduced waste of fitting pipe materials Reduced resistance in the fitting pipe The bending radius higher than the pipe joint Cautions During bending there shall be no wrinkling or deformation on the inner side of the copper pipe Spring pipe bend X The bender inserted into the copper pipe must be cleaned Do not bend over 90 Otherwise wrinkling may be formed on the inner side of copper pipe and in the future the copper pipe will be broken from this position Steel pipe Jacketed bender Inner side wrinkled and deformed Bent with fissure occurring on this side Section The copper pipe might be deformed even if it is not bent Correct section Bend section 6 Flaring The flaring refers to expansion of pipe opening The copper pipe is inserted here to replace the casing pipe In this way it is only needed to weld on one position where the pipe is expanded Welding 6 6 Installation of Refrigerant Piping 1 Precautions on piping works Atthe site of transport storage and construction the two ends of copper pipes shall be sealed with plastic sealing caps Bef
269. ure valve error Fd Error with exhaust temperature sensor 2 F9 Mode conflict E7 digital Error with oil temperature FA sensor 1 fixed frequency 1 1 7 Trouble display of mainboard LED of floor ceiling type Trouble LED Error Electrical source LED Error Electrical source LED Tube inlet sensor error Tube middle sensor error Tube exit sensor error Room sensor error Defrost Antifreeze Mode conflict Communication error Outdoor unit failure e OO e Qo Auxiliary heater error Legend bright o dark e blink e 175 MODULAR D C INVERTER MULTI 1 2 Trouble and State Display of Mainboard LED of Outdoor Unit Description of indicator LED Difinition LED6 LEDS LED4 LED3 LED2 MAINTENANCE Transfer Main control display of the outdoor units board Deve board Dive board or Display compressor fan motor Error Description 1 2 LEDI LED2 LED3 ontinous fast LEDI LED2 LED3 LED4 LEDS LED6 Nixietube Red Yellow Green blinking counts Red Yellow Green Normal e e e ON 1 e Capacity dial up 6 x J _ error Compressor high pressure El protection Compressor low pressure
270. ward take out the worn batteries and insert two new ones Make sure the two poles are correct 2 Re attach the cover M d 1 All the prints and code no will be showed on displayer after the insert of batteries The remote control can be operated after 10sec 2 The lifetime of the batteries is about one year 3 Don t confuse the new and worn or different types of batteries 4 Remove batteries when the Remove the cover remote control is not in use for a Re attach the cover longtime to avoid mal function caused by liquid leakage 7 5 The remote control should be placed about 1m or more from the open TV set or any other electric Nu appliances 6 The remote control should be used in the receivable range the RESETKEY 2 5 reception range is 10m Ep ui 7 When the remote control can not 2 L be controlled in the situation of ASL inserted batteries please remove id the back cover and press ACL en 7 button to make it normal 4 Me m Qinsert 2AAA dry cell RIOT battaries attachment 68 MODULAR D C INVERTER MULTI 3 WIRED REMOTE CONTROLLER 3 1 Operation View CONTROL i 2 Fig 4 1 Various Components of Wired Remote Controlle
271. wire controller or the remote controller sends the signal of automatic swing the indoor unit will start automatic swing and the swing louvers will start to swing from the current location 63 7 8 9 MODULAR D C INVERTER MULTI CONTROL When the wire controller or the remote controller sends the signal of stopping automatic swing the indoor unit will stop automatic swing operation and the swing louvers will stop at the current location Others When the indoor unit receives the signal of switching off detects the failure signals other than the auxiliary electrical heating protection signal and detects the defrosting signal the indoor unit regardless of which state the swing louvers are in will stop to return to the initial position after the indoor fan motor stops When the indoor unit detects the auxiliary electrical heating protection signal the automatic swing will start regardless of which state the indoor unit is in and the indoor fan motor will operate under high speed Drainage Pump Motor Control The cassette series indoor unit is equipped with the drainage pump which can drain the condensate water produced during the cooling or the dehumidifying operation When the indoor unit carries out cooling or dehumidifying operation the water pump and the compressor starts simultaneously When the unit is turned off or the cooling operation is stopped or when the dehumidifying operation is stopped or the unit turns to
272. wired controller SHIELD will be displayed when selected units are shielded during long distance monitoring Force FORCE is displayed when indoor unit is forced to run 12 C room temp C is displayed when there is no malfunction Room temp value is displayed during no malfunction to selected indoor or outdoor Room temp 5 error code unit Error code is displayed during malfunction to selected indoor or outdoor unit 14 Melt Melt is displayed during defrosting Region monitoring controller A Inquiry state LOCK is displayed when selected indoor unit is locked 15 Lock B Control state LOCK is displayed during setting or giving the lock order Region wired controller LOCK is displayed when selected unit is locked in long distance monitoring 16 Set SET blinks when the unit is on and commanded SET is displayed when the unit is on without command 17 C set temp Set temp value is displayed when the selected indoor unit is on and not in timer inquiry or setting status 18 HR hour HR is displayed during timer inquiry or setting 19 5 5 1s displayed when the timer time value includes 0 5 hr and the unit is during timer inquiry or setting Setting temp and During timer inquiry integer of setting time of timer is displayed 20 During timer setting integer of setting time of timer is displayed Set temp value is displayed when the unit is not during timer inqui
273. with new motor In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit 7 Assemble the unit in reverse to the disassembly procedures e Assemble the unit in reverse to the disassembly procedures and energize it for testing Duct Type Unit 9 0 kW 14 kW Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly Step Illustration Handling Instruction 1 Unplug the motor cables e Cut off the power supply of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the filter sub assembly and air inlet cover board e Remove the filter sub assembly from the air inlet frame use screwdriver to remove the air inlet cover board 3 Remove the screws on fan sub assembly Remove the screws on fan sub assembly 4 Overturn the propeller housing e Rotate the propeller housing to the air inlet opening according to arrow direction 5 Loosen the fan and motor e Use inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor 6 Replace the motor e Firstly disengage the motor from motor support Then sequentially disengage the fan sub assembly form the motor shaft Remove the motor from the air inlet
274. within normal range Replace the mainboard of indoor unit Replace the temperature sensor MODULAR D C INVERTER MULTI MAINTENANCE 6 Sensor Trouble 1 High voltage sensor error Error display on hand controller Outdoor units mainboard indicator led4 bright led3 blink led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark Pressure sensor error Check if the plug of high pressure sensor is correctly connected to the socket Check the orientation of plug and socket Replace the high pressure sensor Yes Measure if the output valle 3 DC voltage of the outdoor mainboard socket is normal Replace the mainboard of outdoor unit Troubleshooting steps for low voltage sensor and high voltage sensor 2 Low voltage sensor error Error display on hand controller Fd Outdoor units mainboard indicator led4 bright led3 bright led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blinkl green led dark yellow led dark Hanging i
275. y for reference everything goes by with the real object INV Pdm335W NaB M INV Pdm400W NaB M INV Pdm450W NaB M Outline dimensions Unit mm The picture of the units is only for reference everything goes by with the real object 109 MODULAR D C INVERTER MULTI INSTALLATION 3 4 Clearance Data Clearance data of single unit Electrical Box Outlet on this side 2 Air Outlet The wall on the four side of the outdoor unit should be in accordance with the above basic space requirement In case that the front side and left side or right side of the outdoor unit is open space No restriction to wall height For the top wall e g air guard interference it is required over 3000mm distance between the unit top and the top wall in principle In case that the front back left and right sides are open to the around space it is required over 1500mm distance between the unit top and the top wall In case the distance is less than 1500mm or the unit is not open to the around space a air inlet is necessary for keeping ventilation 110 MODULAR D C INVERTER MULTI VRF INSTALLATION 2 Clearance data of multiple unit To ensure good ventilation the top of unit shall be kept open and free of any obstructions In case that the front side and left side or right side of the outdoor unit is open space the unit shall be instal

Service Manual INV-Pd VRF - Inventor Air Conditioners

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