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JF00300217 T1R410A GMV

Contents

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5. 1 1 2 1 XT Sd 5 26 Filter 2 xe N 29 FUSE1 6 Short Circuit Pro
6. 1 yen 2 5 XII LI 55 KM6 KM5 KM4 1 KM3 KM2 1 KM1 1 w195 w7o Wz1 W72 490 w38 le aS w100 W75
7. PM KM1 1 a lo FA B W52 XT 42 N 20 EH Compressor Heater 4 TE A 11 D 9 PM Phase Reverse Protector FU 3 15A OWE 8 Terminal board L2 7 xn Terminal boord 4bit L3 6 wW4 8 EXV2 Gas Valve KM1 colo 5 w3 Reload Valve T W5 KM3 4 4 YV2 B EXV1 Liquid Valve TX 4 1 PE PE 3 wi 4 Woy
8. WA 2 W8 FU 3 158 W2 Nh Ower KM1 W9 Lo wis W45 74 2 W28 FA B x E E UM W33 om 20 Compressor Heater XT3 2 8 Terminal board Terminal board 4bit BK BU WH BK BU WH 6 Gas Valve Sp W3 Reload Valve NE Liquid Valve EH 2 2 W15 W17 6 W18 g Wi 1 X13 4 Terminal board 2 8 KM1 0 10 HP High Pressure Switch eren 9 RI6 Oil Temp Sensor e i 44 46 42 48 8 Discharge Temp Sensor 11 2 CAN FA 7 RT2 Environment lemp Sensor 2 2 C2 4 FA Over Current
9. ES NDOOR UNIT Power 220 240V N WH IRD L XT3 Transformer CN2 TA 5WH E AC N AC L 18BK b c ND i fi s TYE 16BK RD CN12 Be EM C1 50 5 15A 250V ES mu D X12 Communication Wire A L4 A CN15 UD Communication Wire CN16 BK CN3 RD CN4 YE CN5 BU CN6 CN11 BU CN14 7 3 4 1 4 THS Ve THI WI iu i il CNYE Fan Motor d E AP2 Ou Middle In Environment XI LCD L Sensor Sensor Sensor Sensor HH Notice Y p 1 Please connect with XI 1 in the common static pressure Janua ane 2 Please connect with XI5 1 in the high static pressure 65674015 V R45P Na K GMV R50P Na K GMVL R45P Na K GMVL R50P Na K XI NDOOR UNIT Power 230 2350V S0Hz o N L o 2WH CN2 OWH 2 ransformer T AC N CNS w OYE n BU KK RD CN12 18 SUL 2 FUSESUP
10. MAINTENANCE 22 DIGITAL MULTI MAINTENANCE Parts List of GMV Rh22G Na K GMV Rh28GT Na K _ mea Code 1 Wao _ s sts Ct smi 1 sam gt i 2 lt m N m ON N UJ Go W G G O DIGITAL MULTI VRF MAINTENANCE gt Exploded View of GMV Rh36G Na K GMV Rh45GT Na K
11. 4 UN ew 220 230 240V FKV UMS In Middle Out m emp Temp T lemp Sensor Sensor i Sensor MI s 180 FAN 2 ai TH1 fg TH3 TH2 Ie 7BN P Y YN lt 2 L W6 1 3 2 YL EIN CN6 CNS 7 18 CN19 CN20 2YE GN Evaporator gt 2 W4 2 1 X Signal Wires XI X Signal Wires Eng W 9 wires 5 4 must be removed in installation Stepping Motor 65624609 ku E GMV R50G NaB K GMV R56G NaB K GMVL R50G NaB K GMVL R56G NaB K e UN 2 o Environment In 1 YT Temp Temp emp emp Se S lia 2 MI L 1BU N Wie L 7BN D RTIA RMgA RT2 AN STK 5 BBN D L 3 2 ACN AC UT 12 2YEG FO CN CN12 CN10 CN9 FANT aoe 2 Dr Br DOES SWING WA i ay X Communication Wire al Big 4 X Communication Wire M2 59 Manual panel olor NOIE Ihe wires 3 4 should be removed in installa
12. Pipe length L gt 1m but lt 1 5m 1 Firstly fix the electronic expansion valve sub assembly properly Several operating methods available Fix with screws IBN A m To Outdoor Unit Unit nit Verticall Unit Verticallv lt i ertically upward upward O l TEN Dr Suspend by using screw 2 Use screws to fix onto wall Overhung To Indoor To Outdoor To OA AW Outdoor Unit Unit Uni oll lt lt Vertically Vertically upward upward Directly place on ceiling plane Caution Never place overhung in 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 i To Indoor A To Outdoor i Welding Unit li Unit lt Vertically gt upward L 162 DIGITAL MULTI INSTALLATION WARNING The length of connection pipe must Im lt L lt 1 5m The electronic expansion valve sub assembly must be connected to the indoo
13. dH H uU 3 54 85 ci gt mE U 5 Es E 2 L 60 2 1 Fig 4 3 1 Outline Demension of Wired Controller Fig 4 3 2 Installation Demension of Wired Controller CONTROL 71 DIGITAL MULTI VRF CONTROL 4 3 Installation N Q SS SOS SS WS S s Fig 4 3 Installation of wire remote controller Casing base installed into the wall Controller Soleplate Screw M4X25 Controller Panel e Notice for installation under the guidance of Fig 10 Cut off power supply before installing the electrical components it is forbidden to carry out the installation with power On 2 Get one end of the 4 core communication cable put it through the rectangular hole on the base board of the wire 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 72 DIGITAL MULTI VRF CONTROL 5 Mini Centralized CONTROLLER 5 1 Function Region m
14. a MW DW 220 250 240 SUZ L KV s n Middle Out 20 CMP Temp T Temp Sensor Sensor Sensor Sensor N X32 FAN 5 vad TH3 1H2 g 7BN 1 3 L w 7 5 2 YE GN l A CN6 CNE X CN17 CN18 19 CN20 cH 2YE GN I CNS CN Evaporator JJ CN2 pp CN1 pp CN12 CN14 WA AS CN13 X Signal Wires X1 1 M signal Wires Om wires 5 4 must be removed in installation LJ d stepping Motor 65624609 y ka B GMV R71G Na K GMV R80G Na K GMVL R71G Na K GMVL R80G Na K QUT MID IN ROOM IEM SSENSOR TEM SENSOR TEM SENSOR M SENSOR RIA RIA RIT 8 8 D Communication Wire 4 4 2 1 lt lt lt 15 A AE A Communication Wire WO CN12 CNT CN18 23 FUT PTC A lt lt CN16 hh E AYEGN T js PUWER 3 d C CN8 bp e AN CNI 1BU CNS0 pp 2 N N 1 CN21 XT1 NOVA 09 00 17 CN14 222222 C V J 11WH BK YE BU V 4 BNFD im V XI f bu 86 X4 gt gt lt lt ya Lag l STEP MOTOR NOTE The wire 9 10 must be removed installation he EKV should be installed by user VS winding should be fixed tightly G o 7 208 DIGITAL MULTI VRF MAINTENANCE GM
15. PUWER M59 19 20 1 14 E wee Tee py sis 3 V3 1 Wed KM3 1 KM2 1 1 1 KM 1 AP1 gt gt gt mew w92 w97 AWwiee Wied APe wa Hos Fl ew F N L1 Le L3 gt 8 8 FU FU FUL FU U U U U W3 B 3154 3 52 3154 3154 s t X5 X6 X7 X5 X6 X7 FRE FRI 54 57 585 IL w68v69 705 L w93 123 w128 T L3 wo X3 t 13 X fa 21 21 21 21 xn XT co SE S m KM1 RM SEE PP n 94 35 W99 w124 37 w129 26 JAP7 AP8 Commutator Board KM2 KM3 KMI KM 95 120 wiles v130 09 Mid In Temp Sensor 24 27118 SM Discharge Gas Temp Sensor APS SS xe w29 EH 03 IRTI7 RT26 RT27 DS1 2 3 Di Temp Sensor 3 9716 SM Temp Sensor w XT ss 2 Ler lu la 96 oi W126 W131 el RT12 RTI3RT23 Environment Dut Temp Sensor w49 IN f ji af i XT 20 ee 24 26 28 051 2 3 Discharge Gas er 4 4 m WEST 7 NT 28 21 TempSensor zu 5 va yA web wre Ww VS P Phase Reverse Protector W30 W31 SE 4 XT 2 4 6 8 10 2 8 DS3 2
16. gt 1200 _ 2 200 gt 1000 gt 200 212100 10200 gt e 06 Distance to another 51000 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 Hy f Ja Max three machines in line 3 5 Take Monsoons and Snow into Consideration The monsoon shall be taken into consideration when installing the outdoor unit ee Correct Incorrect Protective cover _ Fresh ait Fresh air suction Fresh air suction suction side side back side back side Fresh air suction side back side 21000 side back side The defrost time will be extended under this condition 118 DIGITAL MULTI INSTALLATION The snow shall be taken into consideration when installing the outdoor unit To prevent the snow from covering the air out
17. SWING FAN SLEEP button AUTOFAN 4 44 Press the button to set SLEEP mode and stop when repressed AUTO xi de dX When the sleep mode is in the FI FI cool and dry mode the set Lt 4 temp will increases 1 2 C during the set time then the SWING HUMID LIGHT SAVE unit will operate according to temp When sleep mode is A ka H ci B HR in the heat mode the set temp decreases 1 2 during the set time then the unit will operate according to the set temp SLEEP AIR LIGHT HUMID TIMER ON TIMER OFF ANION SAVE MODE ON OFF Temp Timer button When the unit is operating increase 1c by pressing button once and decrease 1c by pressing button once The indoor temp can be set in the range of 16 30 lt Press the Timer OFF TIMER ON 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 Operation procedure Normal procedure 1 Press ON OFF button after energization 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
18. GMVL R450W3 Na M s oremus a s oi separator stay s oi separator st aay One way valve 7 EXVsbasyEbammameicvdue _______ 18 as 43 DIGITAL MULTI PRODUCT 12 149 GMV R560W4 Na M GMV R600W4 Na M Constant speed compressor High pressure swich 2 Compressor discharge pipe thermistor Compressor oil thermistor PWM value 6 Oil separator I gt 5 T T I i I 7 separator sub assy Filter Oil separator sub assy Capillary Oil separator sub assy One way valve 3 2 4 Way valve EUN m m 4 Way valve sub assy Filter Go GW 95 NIN Liquid valve 1 Liquid valve sub assy Filter Gas valve sub assy Filter 1 Gas valve Gas liquid separator Low pressure sensor High pressure sensor 44 DIGITAL MULTI PRODUCT GMVL R560W4 Na M GMVL R600W4 Na M s _ Condenser oone pipe thermistor Oil separator sub assy
19. IT Rope Wms Square hole Square hole hax LA a 5 Correct Wrong 3 1 1 Cautions for installation of side outdoor unit To ensure good operation of the air conditioner the selection of installing position must be in accordance with the following principles The outdoor unit shall be so installed that the air discharged out of the outdoor unit will not flow back and that enough space shall be maintained around the machine for repair The installing position shall be in good ventilation so that the machine can breathe and exhaust 109 DIGITAL MULTI INSTALLATION OF 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 Also ensure that the outlet air and noise from the air 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
20. ler h H CAT e SS SS 4 ri 5 W d a lt L L W INI f M 2 b gt 1 DUse screwdriver to remove the screws fixing the coil 2 Remove the coil of 4 way valve 0 Use welding gun to cut the pipes connected to 4 way valve weld spot indicated in the figure 1 Remove the 4 way valve 0 Reweld the pipes connected to 4 way valve 1 Place the coil of 4 way valve correctly Tighten screws with screwdriver DIGITAL MULTI VRF MAINTENANCE Removal and Installation of Electronic Expansion Valve Remark Step Illustration Handling Instruction Rotate the coil of electronic 1 Remove the coil of expansion valve and remove it after electronic expansion valve loosening the clamp 99 A 2 Use welding gun to cut t
21. omm cx ER Sensor connection protection The current sensor is connected to corresponding U or V phase Temperature drift protection Prevent the outdoor ambient temperature from changing too high which might result in that the temperature drift of sensor is too high not closed high 1 2 4 Communication Errors lm of Error Lamp Fault Error Description displ LED6 LEDS LED4 LED3 LED2 LEDI The dial up number of modular multi is inconsistent to the number of units communicated Legend bright 0 dark blink Mode conflict error with communication between 1 32 outdoor mainboard and sub unit In case that one module among several modules 15 failed the other outdoor units will display this error If it is the error with outdoor unit it will only display its own error 186 DIGITAL MULTI VRF MAINTENANCE Communication error between outdoor board and fan regulation board ta B EM B EM B A s main control communication Legend bright o dark blink e 1 2 5 State display Display of Error Lamp Fault Error Description displ LED6 LEDS LED4 LED3 LED2 LEDI pM 9 7 om 7 a 5 current module 1s master B Online Online testing te coefficient testing Legend bright 0 dark blink 1 2 6 Number of indoor units display Display of Error Lam
22. Sek Oe n Important Notice The unit must be installed by the professional personnel according to this installation instruction to ensure the well use Please contact the local Gree special nominated repair department before installation Any malfunction caused by the unit that is installed by the department that is not special nominated by Gree 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 1s moved to other place 137 DIGITAL MULTI VRF INSTALLATION 4 4 3 Installation demonstration mE 6 c G gt 25 gt U UK U 02 IP 0 el the wall hole for Z ax the outlet pipe 26 L XL Fig l 1 Find the horizontal position 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 bolt 3 After installing the rear panel pull it by hand to check if it is firm enough The hang panel should support the weight of an adult 60KG and the weight shared b
23. a is r is 1 as o nee Lr 1 Le EN pm m m ma s b om m Gemmesewbas Ps 39 mewmewiwaergm 1 mos 30 Electromaenetic valve component 1 do 31 Accumulator outlet sub assy 1 49 50 ma _ fems ses 1 few 35 emumrwembas a meme neo 2 mene ou Ta oan ewm DIGITAL MULTI VRF MAINTENANCE continue m Ra mer 2 mmi mmn _ as fe mem Os Hmm _ EN NN Not 4 way Valve Sub Assys 4144133 In cooling only a o es 1 wo _ T e 1 manwal ws me
24. _ 840 _ QJ m _ 880 B i ll P C _ Unit mm wa 1980 840 920 1760 Lue 112 DIGITAL MULTI VRF Appearance of GMV L R860W6 Na M GMV L 900W6 Na M INSTALLATION 0290 113 DIGITAL MULTI INSTALLATION 3 4 Installation Space Requirements 1 Clearance data of single unit GMV L R120W Na K GMV L R160W Na M Outdoor Unit Installation Space Dimension EM 21000 2000 900 2500 2500 20000 ua GMV L R260W2 Na M GMV L R300W2 Na M Outdoor Unit Installation Space Dimension Electrical Box Outlet on this side O Air Outlet C A gt 1200 GMXV L R450W 3 Na M Outdoor Unit Installa
25. 1 _ 1 wwe _ 1 omewoomws 1 _ Cw snow 2 C 1 M Right side plate VP300W2D 03010001 01318759 MAINTENANCE DIGITAL MULTI VRF GMV L R450W3 Na M MAINTENANCE DIGITAL MULTI L R560W4 Na M CL R620W4 Na M 39 38 37 35 027177 1 j DIGITAL MULTI MAINTENANCE List of TI ENS GI Ta 1 mem __ womens www o meme Tem 5 sm mmm 2 _ 2 m mum mE oons Rear Rear isolation sheet sheet VPd280W 03030001 03030001 1283840 0 EIE AERE T s MA os _ 16 RightSidePlate 1 VLR600W4A 20000004 0 VLR600W4A 20000004 1308775 B l right 43000054 000054 4300054 000054 Lx 1 wem Ca means 1 L 1 1 _ 1
26. Ou d In Environment temp temp temp temp sensor sensor sensor senso HH 1 Please connect with XI2 2 in the common static pressure Manual Panel 62624014 GMV R125P Na K GMVL R125P Na K 204 MAINTENANCE DIGITAL MULTI VRF X11 L OWE N WH IRD XIU BK L L E WHYE BU 06 CNI CN2 XTA CN AC N AC L i WH T gt g 2 CN10 FUSE SOT 3 158 250V B BU Bu communication AP I FLO wire CN15 ym ie DCR 2 Be communication e CN3 CN4 CN5 OG BUYEBKWHRDBN 1 M2 2 5 4 1 A pul d XI E RT2 IRT3 RITA D LCD E a HH YEGN
27. en Toven powon zazoo 3 Ba G S 66 _ Single phase Air Switch Air Single phase Air Switch 45000 breaker 3 40A C45N 6A a wr fixed sapport mwons m fomen O e m m _ m omm _ M Bees mw 75 ______ 1 76 imion Tube Sura _ Gas separator ower sws _ 1 m sensortow prssuey 1 ______ 9 _______ 9 eecromagnese vale RDFA 1 etectomagnetcvalvecomponens 1 e le OS m N 42 DIGITAL MULTI VRF MAINTENANCE continue Ces eomer 1 4 _ mmm 1 sooo se mm 1 soos gt m Tar conmesing 1 scum o 1 sums e _ u saw 77 1 sum _ Dam s Wem 240 wwaw s a am ww
28. _ 2 sensor mue tele tw temperature sensor 2 temperature 2 sensor meme gt temperature sensor __ eo gt temperature sensor em fe tet sensor pote e jajajajaj m sensor Legend bright dark e blink 1 2 2 System Errors of Error p Fault LEDS LEDS LED display The temperature of radiating fin is too high Top casing overtemperature protection Error Description Low pressure protection Legend bright dark blink e 185 DIGITAL MULTI VRF MAINTENANCE 1 2 3 Controlling trouble Display of Error Lamp Fault Error Description displ LED6 LEDS LED4 LED3 LED2 LEDI DC input voltage is too high The current test circuit is failed Drive error of outdoor fan Drive voltage protection of outdoor fan Drive current protection of outdoor fan Module overheating protection of outdoor fan NN s Drive current protection of outdoor fan scient nisu fan AC current protection on AC input side AC current protection on input side 7117 Y amm ove stn atonal o
29. 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 obtained Exhaust flow is high over 40L min The following vacuum pumps are recommended 159 DIGITAL MULTI VRF INSTALLATION Model displacement Air discharge Vacuum drying Non lubricant shaft 50L min Suitable Suitable pump Comparison table of different pressure units is as follows Standard air Vacuum degree pressure Absolute pressure 1 033 ma hm 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 N Hrt e 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 pressure end and VL knob 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 ch
30. 1 Electrical Box 1 Electrical Box 2 ePi 2 IKMT COMP2 COMP1 COMP 2 2 1 FL FA2 FA Flectrical Box 1 internal connection POWER xm 2 417 L xn X TC1 DE 18 KM2 KM1 1 8 Line W88 196 W98 N U 2 L3 16 FILTER FU2 FU1 FU 25 8119 052 Discharge Temp Sensor Load SISA SIA SAA 24 Distributary Valve 5 12 W6 amp w mee u 189 W99 23 RT14 RT15 Mid In Temp Sensor wa 1 1 Oe TES KN2 KM1 7 Moy 22 RT18 SM Discharge Gas Temp Sensor CN2 31 452 me 21 RTI7 RT20 DS1 2 Comp Oil Temp Sensor KM2 nad KM1 K y AP2 14 156 164 20 xi WEE w91 w95 w101 RT16 SM Comp Oil Temp Sensor n W84 1186 MEE EE LE 9 RT12 RT13 Environment Out Temp Sensor i B RT FAI B W21 W22 W23 WH 8 051 Discharge Gas Temp Sensor aag VST 294 887 12 En RTII 5 7 Phase Reverse Protector T 712273 COMP COMP a y 6 FH2 EH Compressor Heoter WSO W51 xem gp pee pes 184102 19 4 High Pressure Switch er et 5 W78 479 W105 W106 3 YV8 DS Comp2 Liquid valve M P D 5 0 7 2 ws DS Comp Liquid valve W30 W31 A M 2 X2 2 5 17 PM R LI wes wes wol waf wr wi fA ies 1 1 4 4 Valve Gas Valve NON W34 AVV W2 w4 7 m 7 9 YS
31. _ sl Filter VRIGOWNaM 00000002 60WNaM 00000002 0721 07218769 Compone m or In pipe of uninstall vavle VR1I20WA 02010001 mmm _ 2 masaqa 1 mmus Em Condensing Assy VRI60WNaM 18010000 01138786 L sm 7711 erro Ds ma asa _ m 71 voo _ Ex eese 1 _ 234 DIGITAL MULTI VRF MAINTENANCE 235 DIGITAL MULTI VRF MAINTENANCE L R260W2 Na M GMV L R300W2 Na M List of Componet gt wasa oT 2 MM seb T gt femmomenraw 3 ferm f a messes 1 VR DOO _ Welded installation girder of EN VR30W2 03010000 01338778 compressors Compressor and its component EN ZPD72KCE TFD 433 NN Compressor and its component VR260W2NaM 07138834 07138834 component Component of vent pipe VRm300WD 03050000 01 4300460301 Um 1 Veo _ Cm 1 moe _ oro ry A _ EXE direction liquid VR30W2 05000010 07228765 accumlator Ame l1 ww Cw mew _ vemowponieor
32. 1 omm iw 1 _ _ _ ue 1 O m 1 wem mr _ 1 omw m Fo 2 wem aw ma us me 1 m m me Oon 1 mae m map Not available only unit 243 DIGITAL MULTI VRF MAINTENANCE 5 2 Exploded View of Indoor Unit and List of Component 1 Duct type indoor unit GMV L R22P Na K GMV L R25P Na K GMV L R28P Na K GMV L R36P Na K GMV L R45P Na K GMV L R50P Na K L R56P Na K L R71P Na K L R80P Na K DIGITAL MULTI MAINTENANCE List of components e a eee far eng ner E WEN K ee ee MET TAI menasene wee __ Pons Components _ 919996 l 01394637 Left Side Plate Sub 01308788 assy Left Support of 01078774 Evaporator Liquid entered Pipe 03334601 03338810 Collect Gas Pipe 01305018 03828817 01038785 Evaporator Sub assy 01038786 01339095 10319051 15019522 1501908 10319051 01259086 Cover of Air inlet 01259056 Water Tray Assy 01279051 Right side plate assy 01309055 Right Evaporator 01079056 Support Border Plate Assy of Air Return End 2 5 DI
33. L o Q G Hoisting screw X4 lt 680 Gaps between hoisting screw rods 840 Indoor unit _ 890 Ceiling opening 950 Decorated surface boards _ GMV L R36T Na K GMV L R45T Na K GMV L R50T Na K GMV L R56T Na K GMV L R63T Na K GMV L R71T Na K GMV L R80T Na K GMV L R90T Na K GMV L R100T Na K GMV L R112T Na K GMV L RI25T Na K GMV L R140T Na K A Pm Package Dimension Width mm Depth mm Height mm GMV L R28T Na K t 950 126 DIGITAL MULTI INSTALLATION 4 2 3 Installation space requirements W all P surface 220 W all W all surface surfac GM V L R28T Na K GMV L R36T Na K 210 GMV L R45T Na K GM V L R50T Na K M V L R56T Na K L R63T Na K 260 d M V L R71T Na K M V L R80T Na K M V L R90T Na K M V L R100T Na K 340 M V L R112T Na K M V L R125T Na K M V L R140T Na K Ground surface P SM qu _ 4 Model H 1500 1800 unit mm 62 62 62 62 2 0 02 03 0 4 2 4 Installation demonstration The primary step for install the indoor unit 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 of gasket anchor board
34. o9 N Arranged on front and back 300 200 1500 over 1500 over or over Arranged alongside left right and front back i Os L 85 116 DIGITAL MULTI INSTALLATION Arranged by layer on upper and lower 500 or above 200 or above gee 500 or above Bench 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 installed in the same direction No restriction to wall height 2 Ja U Li Sus 51000 S lt tin 2 SS 2 Sian 2000 2 gt 200 Distance to another sj 999 Max three machines in line outdoor unit beside 117 DIGITAL MULTI Installed back against back INSTALLATION No restriction to wall height
35. 0 21 Condenser nier pipe emisor 22 Condenser middle pipe termisor 33 Condenser owt pipe thermistor 24 Ambient emisor U 25 27 One way ae 38 mrecnonic expansion vane 25 Liquid py pass value sub asy 30 Liquid by pass valve sr 32 0 m Constant speed compressor Digital compressor Compressor discharge pipe thermistor Compressor oil thermistor PWM value Oil separator N Oil separator sub assy Filter Oil separator sub assy Capillary Oil separator sub assy One way valve 10 11 Liquid valve sub assy Drier Liquid valve m Gas valve sub assy Filter m 3 Gas valve m IN Gas liquid separator 15 16 17 Low pressure sensor High pressure sensor High pressure swich PRODUCT 4 DIGITAL MULTI VRF GMV R450W3 Na M 6 Condenser owe fa oi separator ______ 27 s separator s s One way vale 28 PRODUCT 42 DIGITAL MULTI PRODUCT
36. 0 24 U1 F Ue Fuse Box nn ce cl 18 6 23 QF Breaker 22 22 L1Le sian 515 amp E E YV5 DS Compressor liquid valve W45 W55 A ny E 2 eN v el SM Compressor heoter X 294 69 Me a 201 1 DS Compressor heater W46 W56 Ss x s 5 Phase Reverse Protecto ERLE FAQ FAL cola 8 board 2284 X4X8 8 L x QOO 7 Terminal board 4Bit AP3 AP2 cp XT 617 1123 6 YV4 Gas Valve 57 58 5 X6 X7 X4 D D D 3 24 Wee wel W20 74 5 050 valle Cx ZJ XT2 10 e e 4 YVe SM Compressor liquid valve w25 xi 4112 13 1127 T 13 15 17 19 21 Ted EN 2 5 e x T2 10 ERES 1 igh Pressure Switc EP 0 RTG6 RT7 05 Oil Temp Sensor LLI W33 W34 WIX 72 WED 9 RI RT8 DS SM Discharge Gas Temp Senso E E FAQ 7 8 RT2 Environment Temp Sensor 5 5 FAL 2 OVER CURRENT PROTECTOR W73 4 l e AC Contactor TER va vva vs 3 MOTOR 3 e 2 SM COMP 72 1 COMP1 05 QF wee w65 NO CODE NAME NAME MODEL PM R L1 wee w83 84 wes wee ae PM L yoy 14 16 18 22 KIEN 61 67 68 69 W70 W71 x CNE LI 5 BU RD CN37 LVCC Eosta FUSES 2 AC AC L CN46 H Press Api FUSE3 FUSE 35 CN3 FUSE SOT 3 154 2507 WH
37. 4 6 1 Return air Return air Tnstall return air duct a Install return air duct b Name 2 Installation of fresh air duct 1 When fresh air duct 1s 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 1s 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 round air duct 4 Fresh air should be the air after filtrate treatment ec 9 Fresh air baffle 123 DIGITAL MULTI VRF INSTALLATION 8 Installation of air supplv duct Ceiling 5 2 Return air Return air Sunnlv air isti Return air Ducted tvpe Return air H 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 installation need The method of installation is similar to the rear return air inlet s The supply air duct which is rectangle or circle and connect with the air inlet of the indoor unit should at least keep one open The circle air duct type should adopt circle preservation pipe to transmit cool heat air to room The circle air duct should add a transitionary pipe wh
38. NS ON 58006 380 415V 3N 50Hz Power input Rated current Digital Scrollx1 IP24 Digital Scrollx1 Moisture protection IP24 4 Go N 2 219 B 8 uw 45 lt lt DN 9 15 9 19 05 Inch 5 8 3 4 9 52 9 52 3 8 3 8 Gas Pipe Connection Pipes Liquid Pipe Inch Connection Method Flare Connection Flare Connection Max NO of Indoor Unit Power input m3 h 6000 Fan Air Flow Rate CFM 3531 Step Weight Net Gross kg 140 160 Recommended mm2xNo 6 0x3 Power Lines Dimensions of Installation mm 590 201 378 Dimensions of Package Loading Quantity 20 Container 3 unit Loading Quantity 40 Container 4 unit Loading Quantity 40 High Cube Container 5 0 42 6000 3531 140 160 2 5x5 590 201 x378 1260 450 1270 N ON P ON NO N NO N unit O2 N ON N PI N N 1 DIGITAL MULTI PRODUCT m 4 GMV L R260W2 Na M GMV L R300W2 Na M T Cooling 88716 Capacity T Heating Btu h 97246 114310 R410A Filling Amount kg Power Supply V Ph Hz 380 415V 3N 50Hz 380 415V 3N 50Hz woo 39 o Rated current Heating Width Btu h 102360 Power input Heating B 00 Dimensions Depth Height mm 1772 1772 Digital Scrollx1 Constant Digital Scrollx1 Compressor S
39. 39 DIGITAL MULTI MAINTENANCE Parts List of GMV Rh36G Na K GMV Rh45GT Na K Ves _ Bagor 1 cross FlowFan s sawas sa sk un E _ n He Jo ow Remote Cono ni J o 30509 __ 5 o 76 Seco 399m 1 38092 19 semmMawMpHEC J a Eua _ 39 Risa 07 Moro _ x Mwrwo o _ Ww Tewma Tas SSS ar ain zai x Tawwemeano wom 3 Rear Camp OO 3 3 mewwiegawive 1 5 Magnet tor Electronic Expansion Vie 1 goos ewyvaesuw Damn m 52 G 3 0 Wire communicate 1 400103953 MAINTENANCE DIGITAL MULTI VRF gt Exploded View of
40. w61 w67 wes 69 70 20521 FUSE4 CNI L1 C CN32 RD CN31 CNS CN16 CNI8 CN37 CNS over LVCC FUSE FUSES AP2 AC AC L CN46 H Press AP FUSE3 FUSE CN3 E FUSE SOT 3154 250V WH BU RD YE WH WH WH CONA ENT CNIO CNI7 enti ves AP3 AP4 2 MO BI 11 12 13 14 15 23 54 es All Al i ka Xn 2 X12 e 2 4 2 2 4 2 2 w29 w28 w27 AP1 CN1 5 ex q R RT2 RT4 275 RT6 RT7 RTS Communication Wire B 1 Electrical 1 Electrical Box 2 KM COMP2 1 2 1 2 API _ FL FA2 IFA Electrical Box 1 internal connection POWER xm 1 DN XT 20 wis Wi7 JE X 1C1 W15 W18 KM2 KM1 KM 1 Line W88 W96 W98 m N u aju E W16 FILTER Fu2 Fut FU Load 5 154 5 154 3 15 I I 25 RT19 DS2 Discharge Gas Temp Sensor S L2_W6 T 1 w20 19 W89 W97 W99 13 p 21 57 2157 21 gt 7757 eue ilies es m 2 KM1 55 su RT18 SM Discharge Gas Temp Sensor Xi x2 WOO WO4 W100 71 RT17 R120 T AP2 C 144 154 164 DS1 2 Comp Oil Temp Sensor M2 X7 x8 lira ya X5 XB w31 495 w101 20 RT16 5 Oil Temp Sensor A w82 W84 t TR g 5112 Environment Temp Sensor FAIFA C aa WH W21 W22 W23 WH 8 W83 W85 WB7
41. 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 e The foot pedal shall be supported on three points if exceeding 2m The foot pedal must be fixed securely to the ladder e 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 Spacing between supports m Below 1 2 Below 1 2 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 144 DIGITAL MULTI VRF INSTALLATI
42. VET BI M4 MANUAL SEA EKV RD LI E STEPPING SIEPPING BN MOTOR MOTOR _ CLEFT CRIGHT FAN MOTOR Caution The EKV should be installed by user The winding should be fixed tightly 63024110 SN 2 209 DIGITAL MULTI MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4 1Outdoor Unit Disassembly and Assembly of external casing strati Use screwdriver to remove the screws 2 upward and remove the front panel 1 Remove the front panel D Use screwdriver to remove the screws 2 Remove the electric box cover 2 Remove the electric box cover DUnplug the power cords and communication lines from the mainboard 3 Remove the electric box h 2Use screwdriver to remove the screws 3 Remove the electric box DIGITAL MULTI 4 Remove the flow guide cover 5 Remove the fan sub assembly 6 Remove the front panel and front lining pl
43. ion A diorr X B Q px 100 Among which Q 15 the calculated compressor capacity output qi is the rated capacity of the indoor unit qiON is the rated capacity of indoor unit during running qiOFF is the rated capacity of the indoor unit when it is not switched on Ai is the set temperature indoor and outdoor ambient temperature correction Bi is the indoor unit capacity compensation when the heating operation is not running 2 Compressor Start Control The shortest operating time of the compressor is 6 minutes But when the switching off signal or the protection signal is received the compressor must stop even if the operation of it has not lasted for 6 minutes The shortest stoppage period of the compressor 15 3 minutes The compressor must not be started at any time within 3 minutes after the compressor is stopped If the capacity demand of each indoor unit is 0 when the whole unit group is under heating state the compressor must be stopped if under the heating operation alone the temperature of stop control is reached the compressor must be stopped Initial Sequence Chart of Cooling Dehumidifying Modes 32 DIGITAL MULTI CONTROL Restart Open 240 Steps EXV Close 540 Streps Swing 3 ds Indoor Fan Motor Outdoor Fan Motor 5 5 20 40 60 100 Full Open 480 Steps Initial Opening 250 Steps
44. 15A 250V CN10 Communication wire AP me _ LS ENT PCR Communication wire 14 BK CN3 RD CN4 YE CN5 BU CN6 5 L TT Td TT 4 2 THAT m 2 Out Mid In Environment M temp temp temp temp LcD sensor sensor sensor sensor HH Notice Manual Pane 1 Please connect with XI according to the real line in the common static pressure 2 Please connect with according to the broken line in the high static pressure 62624605 G MV R56P Na K GMV R71P Na K GMV R80P Na K GMVL R56P Na K GMVL R71P Na K GMVL R80P Na K 203 DIGITAL MULTI VRF MAINTENANCE Notice Please connect 2 Please connect E sensor sensor sensorsensor with X12 2 in the common static pressure 1 with XIS 1 in the high static pressure XII u L FH CN1 CN2 Tra
45. C Duct Cassette Series Wall Mount 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 15 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
46. DIGITAL MULTI VRF Service Manual GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS 2 Be a 2 2 pr 3 ZINOMENCLATUOR E 8 2 Outdoor 9 2 2 Nomenclature of Indoor 9 10 TZPRODUCT DATA l 11 AA Product Data Or Outdoor Db n 11 42 Product ol Indoor Unity uku uu lu E pet 16 S PIPING DIAGRA VE i 38 CONTROL 49 TOPERATION FLOWCHART 49 1 1 Cooling Dehumidfying Operation a 50 Heat pet an E 51 2 52 2 TC onirol Fupetiomol Outdoor UTE i 52 2 2 Control Indoor Ut t 59 WIRELESS REMOTE 68 4 I Operati and DISDISV VIeW oii rabo fr ru iE o eene ada 71 71 72 5 MINI CENTRALIZED CONTROLLER 2 222220200 73 gie 73 E diet 75 VIEW mm 76 5 4 Connection Between Controller
47. Indoor Set Temperature Automatic Air Speed Grade For Heating Linge Wind The switch under the automatic air speed grade is inspected once every 30 seconds The indoor fan motor stops before the fan motor will start compulsory operation under high atr speed grade for 8 seconds and then operates under set atr speed 4 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 T 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 tevaporator 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 Cassette and Air Duct Series Wall Mounted Unit Series T evaporator High Air T Evaporator Speed Grade Set Air Speed 8s Fan Motor Stops 0 605 T Evaporator Reaching Threshold Within 1 Minute 61 4 5 DIGITAL MULTI CONTROL T evaporator mas mas 7 Peet Hin Air T Evaporator Speed Grade Set
48. 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 pipes 1 Purge the system clean 2 Keep the pressure for 24 hours Purge and make leakage Except for the influence by temperature it is deemed acceptable if detection under pressure pressure drop is within 0 02MPa With the temperature change by the pressure will change by approx 0 01MPa The thermal insulation tube must meet the specifications Thermal insulation Seal between the thermal insulation pipes to avoid air entry Select the installing position correctly Build the foundation according to the anchor bolt position and the dimension of outdoor unit Installation of outdoor unit Build the damping device properly Avoid sharp knock when handling the outdoor unit The inclination angle shall not be higher than 15 Tighten the nuts Connection of indoor unit and outdoor unit Provide proper protection to the outdoor connection pipe communication wires and power supply Keep the pressure for 24 hours Except for the influence by temperature it is deemed acceptable if pressure drop is within Leakage detection under pressure 0 02 With the temperature change by 1 the pressure will change by approx 0
49. PWM Valve Digital Compressor 26 Seconds 20 Seconds 40 Seconds Initial Sequence Chart of Heating Mode Restart Open 240 Steps Close 540 Streps Outdoor EXV Position Full Open 480 Steps Full Open 480 Steps Initial Opening 250 Steps Initial Opening 250 Steps Indoor EXV Position Open 240 Close 540 Steps Streps SV 4 Swing Louver 3 Second Indoor Fan Motor Outdoor Fan Motor 5 5 20 died 60 100 PWM Valve 5 5 Digital Compressor 26 Seconds 20 Seconds I 40 Seconds 3 Outdoor Fan Motor Control There is one 8KW outdoor fan motor which is double speed fan motor under 3 grade control high speed grade low speed grade and stop There are two IOKW 15KW outdoor fan motor which are double speed fan motors under 3 grade control high speed grade low speed grade and stop The 20KW 30 KW outdoor fan motor is of stepless speed regulation and stops at 13 grads 1 2 9 B The detailed control modes are as follows 53 DIGITAL MULTI VRF CONTROL 1 Cooling Mode When the unit is turned on the fan motor operates at high speed grade for 250 seconds The exhaust pressure 15 detected 250 seconds after the unit is switched on The speed grade of the fan motor 15 adjusted once three cvcles according to the mean value of the exhaust pressure Refer to the followi
50. The default setting of address dial up code is 0000 and the address 15 1 See above for the position of dial lever xx Dial up Value The dial up value of address code is set in binary system The dial up value is 0 when the lever 15 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 dial up switch with 4 bit Example 1 If the dial value is 0111 this represents that the address is 8 the pins 1 2 amp 3 of the dial switch are dialed to the numerical end and the pin 4 15 dialed to ON 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 See below d did did Address Address Address 8 dial up value 0111 Address 11 dial up value 1010 2 Address code about capacity 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 Below is factory default
51. The drainage pipe is easy to drain The air flow is not blocked at the outlet and intake vents gt lt 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 Gree Electric Appliances Inc Of Zhuhai the place with greasy all around the 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 S the place with special environment 120 DIGITAL MULTI The following figure is applicable to the indoor units of GMV L R22P Na K GMV L R25P Na K GMV L R28P Na K GMV L R36P Na K Electric box co OJ Rear air return vent INSTALLATION Nameplate Liquid pipe
52. 1 fees f 1 1 1 1 1 1 1 1 1 2 Fan FGRD101 03010003 left SYP 200 190J 15018603 Pa la 1 Border Plate Assv of FGR12HAI 07010000 Aspen 1499066 FGRD101 01010008a Motor FG150B 15018612 120 100200 Collect Gas Pipe 3632459 00 Sub assy E FGRD101 03010003 s MD 1 15018604 FGRD101 02010002 Cover of Air inlet 1258602 19 FGRD10I 08000000 Water Tray Assy 1278603 FGRD101 05010000 Right side plate assy 1308677 FGRD 101 00000009 2118504 FGRD101 09010006 Right Evaporator 1078604 Support FGRD10LO6000000 Side Plate of Return 98608 Air Frame 2 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 292 DIGITAL MULTI MAINTENANCE List of components Material Drawing NO Name code R90 GMV R112 GMV R140 P Na K P Na K P Na K M 1200000 t Components FGRD10I 04010000 Left Side Plate Sub assy 1308676 FGRD101 09010005 1078603 Evaporator VLRIOOPNaK 0101000 Liquid entered Pipe 3338802 0 Sub assy FGRD101 03010003 iid 200 1901 15018603 FGR12HA1 07010000 Border Hac Assy of Air 1199066 Return End FGRD101 01010008a Motor FG150B 15018612 FGRD101 09010006 Right Evaporator 1078604 Support FGRD10L06000000 Side Plate of Return Air 1498608 Frame 253 MAINTENANCE DIGITAL MULTI VRF gt Exploded View of GMV Rh28T Na K GMV Rh36T Na K GMV Rh45T Na K GMV Rh50T Na K 2 Cassette type
53. 110 DIGITAL MULTI INSTALLATION 3 3 Dimensions Data Appearance of GMV L R120W Na K GMV L R160W Na M Unit mm GMV L R160W Na M 1100 GMV L R120W Na K 1100 1250 Appearance of GMV L R260W2 Na M GMV L R300W2 Na M Unit mm Mk a s c GMV L R300W2 Na M 990 840 880 1772 111 DIGITAL MULTI VRF Appearance of GMV L R450W3 Na M INSTALLATION ro 1e Appearance of GMV L R560W4 Na M GMV L R600W4 Na M
54. 9 Mount the water tray and tighten the screws MAINTENANCE eRemove the motor and replace it eUse screwdriver to tighten the screws fixing the motor eMount the fan use spanner to tighten the bolts fixing the fan eUse screwdriver to loosen the screws fixing the water tray 224 DIGITAL MULTI VRF MAINTENANCE Removal and Installation of Drainage Pump Handling Instruction 1 Loosen the screws fixing the water tray 2 Remove the water tray 3 Pull out the water outlet pipe and loosen the screws fixing the water pump 2 Loosen the screws fixing the water pump 4 Remove the water pump and replace it 5 Connect the drainage pipe and tighten the screws fixing the water pump 2 Tighten the screws fixing the drainage pump 6 Mount the water tray and tighten the screws e Use screwdriver to loosen the screws fixing the water tray eRemove the water pump and replace it ePull out the water outlet pipe and use screwdriver to loosen the screws fixing the water pump eRemove the water pump and replace it eConnect the drainage pipe and use screwdriver to tighten the screws fixing the water pump eUse screwdriver to tighten the screws fixing the water tray DIGITAL MULTI VRF MAINTENANCE 3 Wall mounted type Removal and Assembly of Fan Motor Remark Before removing the compressor make sure that there is no refrigerant inside the pipe system and that the power has been
55. Capacity Power Cooling Heating Appearance Supply Btu h Btu h s 220 240V NEN 4 Conversion Formula Btu h kWx3412 Capacity Power Cooling Heating Ref Appearance Supply Btu h Btu h GMV R22P NaB K GMVL R22P NaB K GMV R25P NaB K GMVL R25P NaB K GMV R28P NaB K GMVL R28P NaB K GMV R36P NaB K GMVL R36P NaB K GMV R45P NaB K GMVL R45P NaB K GMV R56P NaB K GMVL R56P NaB K GMV R71P NaB K GMVL R71P NaB K GMV R90P NaB K GMVL R90P NaB K GMV R112P NaB K GMVL R112P NaB K GMV R140P NaB K GMVL R140P NaB K NI 1 1 2 2 Cassette type GMV R28T Na K GMVL R28T Na K GMV R36T Na K GMVL R36T Na K GMV R45T Na K GMVL R45T Na K GMV R50T Na K GMVL R50T Na K GMV R56T Na K GMVL R56T Na K GMV R71T Na K GMVL R71T Na K GMV R90T Na K GMVL R90T Na K NO b R410A 220V NBN 4 DIGITAL MULTI VRF PRODUCT GMV R112T Na K 42650 uuo 1 42680 _ GMVL R112T Na K GMV R125T Na K 46062 pep LR _ GMVL R125T Na K GMV R140T Na K 49470 47770 GMVL R140T Na K Conversion Formula Btu h kWx3412 DIGITAL MULTI 1 2 3 Wall mounted type GMV R22G NaB K GMVL R22G NaB K GMV R28G NaB K GMVL R28G NaB K GMV R36G NaB K GMVL R36G NaB K GMV R45G NaB K GMVL R45G NaB K GMV R50G NaB K GMVL R50G NaB K GMV R56G NaB K GMVL R56G NaB K GMV R22G NaC K GMVL R22G NaC K GMV R28G NaC K GMVL R28G
56. 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 clearance a 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 15 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 15 OKgf cm of absolute pressure gauge pressure is 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 vacuum degree A proper vacuum pump can obtain vacuum degree of gauge pressure 1
57. Manual Panel UNA CN5 ONS ONG CN18 gt gt 4 In Y v V E Temp sensor 97531 _ p OGBUYEIBKRO c Evaporator ITYEGN WH Ac YRS oa 5 VEGN hu E c Om apg 61414399 206 DIGITAL MULTI VRF MAINTENANCE GMV R22G NaB K GMVL R22G NaB K GMV R28G NaB K GMVL R28G NaB K GMV R36G NaB K GMVL R36G NaB K GMV R45G NaB K GMVL R45G NaB K
58. S S 5 Sensor HH FU MANUAL E 63624640 gt 2 GMV R28T Na K GMV R36T Na K GMV R45T Na K GMV R50T Na K GMV R56T Na K GMV R71T Na K GMV R80T Na K GMV R90T Na K GMV R112T Na K GMV R125T Na K GMVL R28T Na K GMVL R36T Na K GMVL R45T Na K GMVL R50T Na K GMVL R56T Na K GMVL R71T Na K GMVL R80T Na K GMVL R90T Na K GMVL RI I2T Na K GMVL R125T Na K 4 XTI N N Swing Motor LM Limit Switch Water Level Switch 4 2 Ni UJ D OWE gt KANA e SA2 e j AM 0 A 3 20RD 19WH lt CN2 22BK 1 CN21CN20 communication wire CNTI CN10 Environment CN15 CN19 sts Temp sensor communication wire CN16 DD Out CN12 gt gt 12 8 12 Temp sensor D CN17 CB CNIS 3 cd Mid Temp sensor CN9
59. The model with GMVL code is cooling only unit while the model with code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 28 DIGITAL MULTI GMV L RISTANK GMV RIMOTINGK Cooling Capacity 42650 47770 Heating Capacity 46062 49470 1860 1860 Air Flow Rate m m Sound Pressure Level H L dB A 40 36 40 36 Power Supply 220 240V 50Hz 220 240V 50Hz Output kW Fan Motor Running Current Connecting Pipes Liquid Pipe 3 8 Connection Method Flare Connection Flare Connection 30 1 5 30 1 5 Unit Dimensions Main body 840x840x320 WxDxH Panel 950x950x60 Package Dimensions Main body 960x960x394 mm WxDxH Panel 1040x1025x115 Drain Pipes External Dia x Thickness Net Weight Main body Panel Gross Weight Main body Panel Notes Refer to the product nameplate for parameters and specification of the unit PRODUCT 2 model with GMVL code is cooling only unit while the model with code is heat pump unit the cooling only units does not have any parameters of performing heating 3 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 29 DIGITAL MULTI PRODUCT 4 2 3Wall mounte
60. U RT11 DS1 Discharge Gas Temp Sensor s Vag 50 9 XH 12 13 EH2 7 Phase Reverse Protector MET EE COMP COMP 6 FH2 EH Compressor Heater 450 451 i5 X 6 8 1e gS ig W102 19 4 High Pressure Switch er W78 W79 Wi05 W106 3 YV8 DS Comp2 Liquid valve QF SE W54 W55 104 W77 2 05 1 Liquid valve W30 W3 et et 2 XT 2 4 84 17 PM R L1 wea dus 1 Gas Valve x 2 2 W34 FERNER T w2 fwi 7m Reload Valve HP W75 7 9 SM Comp Liquid valve INDOOR UNITS 64 wes wee 67 1174 8 FU2 FU1 FU Heater fuse 59 76 57 58 59 7 QF TC1 TC2 Breaker Transformer ATTI ND Bids BU CN16 CN18 CN37 CN5 OVC1 LVCC 6 XT1 XT Terminal board AC N L Press H Press D AP1 CN43 5 KM1 2 KM AC Contactor FUSE 50T 3 15A 250V A 4 FA1 2 FA OVER CURRENT PROTECTOR CN11 CN12 CN13 cN14 CNI5 CN24 CN25 cN29 CN30 j GEJNA CN38 CNB CNT CN6 5 gt Motor D5 COMP oper a W37 W36 W35 X13 8 1 COMP SM COMP Al M n fri KM2 KM1 K 110 NO CODE NAME XT wa 0 oyi oyi 9 W40 W39 1138 W109 i RT11 RH2 716 RT7 RH8 RU9 R20 GMV R450W3 Na M GMVT3 R420W3 B M 199 DIGITAL MULTI VRF MAINTENANCE
61. 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 Amount of charging refrigerant Kg wa 161 DIGITAL MULTI VRF INSTALLATION 7 INSTALLATION OF ELECTRONIC EXPANSION VALVE PARTS 7 1 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 O O To Indoor To Outdoor Unit Unit Vertically L_ Vertically c b upward upward To Indoor To Outdoor Unit Unit V Arrow Upward X Arrow Downward
62. and distance to unit should Below mm not beyond 300mm Roof T Hoisting stand Within 300mm 1 1 5m blow BOR Drain hose ttach t attachment re ESTE 7 4 ba Drain raising amp 7 hose B y 220mm Q 1 1 Ceiling Clamp attachment Instruction The slant gradient of the attached drain hose should be within 75mm so that the drain hole doesn t has to endure the unnecessary outside force SI E E Please install the drain hose according to the following process if several drain hoses join 22 E together AbovelOOmm The 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 T tie in join drain hose 130 DIGITAL MULTI INSTALLATION Way of immiting Drain hose Test hole cover Drain vent for repair use plastic a stopper is included drain the water E in waterspout by this outlet vent m Test hole G lt Immiting water from the rest hole gt my Above100mm Plastic water pot The length of the pipe should be
63. best that all operators shall have one pipe cutter and at least one pipe cutter of big dimension shall be provided on site N CAUTION To prevent the invasion of water or waste avoid placing the copper pipe directly on 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 e Eliminate the copper scraps thoroughly and use cotton yarn to wipe the pipe clean X The flared joint must be kept smooth X 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 X Adverse impact if the burrs are removed too much with scraper 146 DIGITAL MULTI VRF INSTALLATION Too much eliminated The contact face becomes small Flared nut 5 Pipe bending Work Methods a Bend by hand Suitable to fine copper pipe 06 35mm 012 mm b Machining with spring pipe bender Bend by inserting the spring into copper pipe or sheath
64. 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 e After 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 15 laid aside f Quality and inspection of braze welding 153 DIGITAL MULTI INSTALLATION 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 154 DIGITAL MULTI VRF 5 Others INSTALLATION When braze welding is to be performed underneath a simple support shall be built such as two ladders 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 Solder Solder Weld torch Ve WV 6v
65. gt PE EM f2 js EH3 EH2 EM W112 108 104 W35 W31 W27 m XI8 1 2 x 2 XI7 14 XI7 14 XI7 1 1 XT8 1 W115 W68 W114 4s 4 SYSTEM 2 XIS 2 7 XI7 2 re 6 26 RTVIRT21 RT12R722 AT 25 2117 SM cour Discharge Gas 4206 4207 emp Sensor i Lon ems ws 05 1 2 3 475 wig w20 ms 24 I 15 18 24 25 25 Temp Sensor PM R LI C 14 W21 25 RTI4 SM Oil Temp Sensor XH N w50 rN D ress H nifli p ress a a 2 w160 22 RT 0 RTI Aden Du eg ao ES L H we Y we X ws we w Lp 21 RT 18 19 27 28 29 2 3 4 l ischarge Gas Temp Sensor rlement position 20 PM1 2 Phase Reverse Protector AC N AC L GS GS UEM GM ib 9 FH1 6 COMP Electrical Heater J f 26 7 4 2 A i P lal ku F 92 N28 CMS CNAO 542 OM 55 CN CN24 M2 AP3 cN 8 High Pressure Switch 7 11 053 COMP Liquid Valve CN57 CN56 FA3 FA CN17 CN36 CN33 CN34 CN35 CN20 EKV2 V DS4 COMP 3 3 3 3 J 6 YV9 YV10 Liquid 1 4 3 5 7 p 5 YV7 YV8 SM 055 COMP af 7 TUM W51 852 53 W54 55 w56 SSWA B m 4 EKVI E V2 lix Valve AP Une ima Q 0 0 0 0 0 0 0 0 0 051 Comp Liquid Valve col o 7 AT LMI AT 2 A1 a9 3 YVS YV6 sy COMP Reload Valve 2 Yv4 Yv2 EKV1 Valve Gas Valve Indoo
66. o mO DIGITAL MULTI VRF MAINTENANCE s 5 I s EP EE Electronic Expansile Valve SPF 18D88 07334193 259 DIGITAL MULTI VRF MAINTENANCE gt Exploded View of GMV Rh90T Na K GMV Rh100T Na K GMV Rh112T Na K GMV Rh125T Na K a _ 7 CR 2 2 VC s 37 56 35 4 DIGITAL MULTI MAINTENANCE Parts List of GMV Rh90T Na K GMV Rh100T Na K GMV Rh112T Na K GMV Rh125T Na K Part Code No Description Qty GMV Rh90T Na K BEER NN __ ar Ya os masana s fws m o m o omes DIGITAL MULTI MAINTENANCE s s I f Electronic Expansile Valve VPF 25D B3 07334195 262 DIGITAL MULTI VRF 3 Wall mounted type indoor unit gt Exploded View of GMV Rh22G Na K GMV Rh28GT Na K n p
67. pl n fff IU 4 R PREBLE DAZA Office No 7 Office No 8 Address 1 2 Address 3 4 N L J jJ X Coo Fa ZA ii Fur a ur V 2 4 aw j TUTA pom AUS N Assembly Room No 1 Assembly Room No 2 p CAddress 1 4 CAddress 5 9 N N 11 7 701 i PRE DRE PAB IKA EJ Centralized controller ZJ7011 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 i 4 Net 1 Net 1 DN N J I j d Wa S FA JJ gt LE der gt lt mm Net 3 4 1 1 Net 1 b 4 T Monitor Room Roe GMV L R300W2 B i 84 DIGITAL MULTI VRF CONTROL Instruction to Frame Diagram of System Net Mark A Outdoor Unit GMV L R300W2 D 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 nelshed connects with indoor unt of communication module Mark B Outdoor Unit L R620W4 A be connected with up to 32 ind
68. 1 2 5 8 5 8 Connecting 6 35 9 52 9 52 Pipes Liquid Pipe inch 01 4 3 8 03 8 Drain Pipes 30 1 5 30 1 5 30 1 5 External Dia x Thickness Unit Dimensions WxDxH 840x840x190 840x840x240 840x840x240 Package Dimensions 950x950x60 950x950x60 950x950x60 WxDxH Weight Net Gross Notes 25 31 5 30 36 5 30 36 5 1 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 21 DIGITAL MULTI VRF PRODUCT ooling Capacity Bu Btu 30700 38210 Heating Capacity 34120 42650 tu 1860 1860 Air Flow Rate 1095 1095 Sound Pressure Level H L dB A 40 36 40 36 External Static Pressure Power Supply Output Fan Motor Running Current Gas Pipe Connecting Pipes Liquid Pipe inch Connection Method Drain Pipes External Dia x Thickness Unit Dimensions WxDxH Package Dimensions WxDxH Weight Net Gross Notes 220 240V 50Hz 0 59 15 9 55 8 9 52 03 8 Flare Connection 30 1 5 840x840x320 950x950x60 38 44 5 1 Refer to the product nameplate for parameters and specification of the unit 220 240V 50Hz 2
69. 1 3 Trouble Display of Outdoor Unit Transition Board 187 1 4 Trouble Display of Diver Board LED iii a 189 2 FLOW CHART OF TROUBLESHOOTING 190 WIRING DIADRAM u u uuu an de 197 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 210 4 e a te eb tuu 210 a 222 5 EXPLODED VIEWS AND PART LIST 230 230 5 2 Exploded View of Indoor Unit and List of Component 244 GREE COMMERCIAL AIR CONDITION DIGITAL MULTI PRODUCT DIGITAL MULTI VRF PRODUCT PRODUCT 1 MODELS LIST 1 1 Outdoor Unit Units Series Model Capacity Power Cooling Heating Ref Appearance Supply Btu h Btu h 47770 220V 50Hz R410A 58006 380V 50Hz SN i E S 380V R410A 50Hz 380V R410A 5 il T ih 5 l 380V R410A i 50Hz lill Ll 380 qM R410A 50Hz Conversion Formula Btu h kWx3412 GMV RI2OW Na K 40946 GMVL R120W Na K GMV R160W Na M 54594 GMVL R160W Na M GMV R260W2 Na M 97246 88716 GMVL R260W2 Na M GMV R300W2 Na M 1
70. 15 factory defaulted dial up switch pulled to ON position For example if the parameters of an indoor unit set before power shutdown are High Fan and 24 the unit will be under standby state after the power supply is resumed and after the unit is manually started the parameters will remain as High Fan and 24 C The restoration mode refers to that not only the previous parameters will be kept but also that the unit can start automatically after the power supply is resumed But if the unit is under STOP state before power shutdown it will be also under STOP state after the power supply is resumed Dial up switch 2 Setting of control mode including wired control and remote control The wired control mode refers to that the indoor unit is controlled from wired controller hand controller This setting is factory defaulted dial up switch pulled to ON position When the setting is wired control mode the function dial up on S7 for setting of memory mode and setting of master slave indoor unit will be disabled These two 178 DIGITAL MULTI INSTALLATION settings can be done from the wired controller directly The remote control mode refers to that the indoor unit is controlled from remote controller When the setting is remote control mode its function dial up must be set on S7 Dial up switch 3 M S The setting of master slave indoor unit refers to the master slave setting of indoor run mode mainl
71. 33 Outdoor unit 8 L dj Bw The Indoor unite A branch m a section a E Equivalent length of farthest pipe L amp 80me DS ke i Ca The equivalent length of the farthest m pipe fram the 1 branch L 25 me 55 3 55 IS DS t m d Indoor unite 1 The equivalent length is designed based on every 0 5m for each type branch pipe 5 3 Selection of Branch Pipe R410a refrigerant system Total Capacity of the Downstream Indoor Unit X X lt 300 FQOINa Branch Pipe 300 lt X lt 600 FQ02Na 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 50 lt lt 140 15 9 9 52 140 lt lt 180 19 05 9 52 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 140 DIGITAL MULTI VRF INSTALLATION 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 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 8 The diameter of the piping from the branch joint branch pipe to the indoor unit R410a refrigerant system Outdoor capacity code C Liquid pipe mm
72. Air Speed 8s Fan Motor Stops 0 605 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 1S 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 15 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 C is adopted to reflect the real temperature of the living space Using this method comfortable temperature will be maintained in the living space Expansion Valve ON Expansion Valve OFF 1 gt 1 Indoor Ambie
73. BU RD YE WH WH WH CN4 CNS CN7 CN10 CN11 CNI3 CN14 CN15 CNe4 C 25 f AP3 2 w22 ud fie 3 fea n A Al Mi KM2 xn 1 FA2 X12 2 2 af af jaf Bip ES HE XTe 5 RTL RT2 RT6 RT7 RTS Communication Wire J 198 DIGITAL MULTI MAINTENANCE GMV R260W2 Na M GMV R300W2 Na M
74. E C 14 T da ASI 24 RT18 ischarge Gas Temp Sensor ARS 27 APG FAS a aj FA M FA d C3 IRTI7 RT26 RT27 DSI 2 3 Tenp Sensor W29 ia Su Wing 21 LIT vgra NIS 1 KM3 88 XTEN quo sidi d JRTIS SM Dil Temp Sensor z z 22 xi RU xat 3 22 iic 21 3 Environnent Dut TenpSensor Kew fi PO w71 95 N W75 79 051 2 3 Discharge Gas xaf 4 48 49 amp w50 20 RTI RT2B RTEL Tenp Sensor w25 1 9 P Phose Reverse Protector 5 5 eu En T EH 8 DS3 2 1 SM Comp Heater 7 HP High Pressure Switch m Mao 385 6 YV8 082 Comp Liquid Valve L Fast 5 YV7 DS3 Comp Liquid Valvd UNT 4 EKVI EKV2 Spsteni 2 EKV H PRESS L PRESS W84 Ja 3 YV5 051 Comp Liquid Valve S L suy aya HP Fae 4 4 Voy Valve Gos Valve X X H 1 YV3 SM Comp Reload Valve dk Fat Q YVe SM Comp Liquid Valve CN46 CNI CNP 049 08 CN47 CN44 2 9 FU3 FU2 FUL FU Ds3 2 1 SM Comp Heater Fuse C e 8 8 reaker TC FUSE SOT 3154 250V AP QF TC1 TC2 Break 2 7 x Terminal board U CNSI CN32 CN33 CN3I CNA ces JA gt 6 6 3 2 1 18 3 2 1 SM COMP Relay i 3575 7 5 FR3 2 1 FR DS 3 2 1 SM Protector W60 W6
75. GMV Rh50G Na K GMV Rh56GT Na K SS 7 NUUS TES DIGITAL MULTI MAINTENANCE Parts List of GMV Rh50G Na K GMV Rh56GT Na K pde RSG ZOO ee DwaMomigFane 1 Race 8 _ 1 m ss 6 1 wan 9 16 Guide Lower own fr OwmRwRa 12 Bvapomiorasy 1 _ 78 Force 1 wu Remote Conroterysi2 mseme Displaying tight Bud a 2A m 1 39H95 m wean b 70005 x remna 3096 4 a 0 x 7 m D 99359 _ Upper Shield of Electric Box 4 05 5 0 X waxcmme HOO _ 5 3m _ Electronic Expansile Valve 1 II 2 __ Dip 1 _ 4 4 way Valve Sub Assy 4 way Valve ty 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 DIGITAL
76. Gas pipe CU N o 100 8 2 _ 856 E 730 WGREE 1 215 600 Lower air return Drainage pipe The following figure is applicable to the indoor units of GMV L R45P Na K GMV L RSOP Na K GMV L R56P Na K GMV L R90P Na K GMV L R112P Na K GMV L R125P Na K GMV L R140P Na K GMV L R63P Na K Auxiliary elec component Th tric hea ere is no ting auxiliary electric heating component in cooling only GMV L R71P Na K GMV L R80P Na K Electric box Liquid pipe type Max Nameplate Gas pipe 40 _ 40 return vent Air outlet EE T lt gt Drainage pipe A Lower air return G Fresh air inlet A direction i e 2 il _ A m E 6 Instruction According
77. NaC K GMV R36G NaC K GMVL R36G NaC K GMV R45G NaC K GMVL R45G NaC K GMV R71G Na K GMVL R71G Na K GMV R80G Na K GMVL R80G Na K PRODUCT Power Cooling Heating Ref Appearance Supply Btu h Btu h 8530 7507 9554 12284 15355 17061 19108 220V R410A 50Hz 7507 9554 12284 15355 24226 27297 Note Btu h kWx3412 DIGITAL MULTI VRF PRODUCT 1 2 4Floor ceiling type Capacity Power Model Supply ES GMV R28Zd Na K Les GMVL R28Zd Na K GMV R36Zd Na K 12284 GMVL R36Zd Na K GMV R50Zd Na K 17061 GMVL R50Zd Na K GMV R71Zd Na K ma 220V 24226 GMVL R71Zd Na K GMV R90Zd Na K 30709 GMVL R90Zd Na K GMV R112Zd Na K 38216 GMVL R112Zd Na K GMV R125Zd Na K 42652 GMVL R125Zd Na K Notes a Cooling only unit GMVL type has no items on heating Note Btu h kWx3412 b Noise was tested in semi silenced room so the actual noise value will be a little higher for change of ambient c Nominal capacities are based on the following conditions Indoor 27 C 80 6 F 19 C 66 27F Indoor 20 C 68 F Outdoor 35 C 95 F Outdoor 7 C 44 6 F 6 C 42 8 F DIGITAL MULTI PRODUCT 2 NOMENCLATURE 2 1 Nomenclature of Outdoor Unit fe La 2 9 4 5 6 7 L Cooling Only 2 Model Code Default Heat pump 120 12KW 160 16KW 260 26KW Nominal cooling cap
78. Reload Valve HP TUE rag 5 9 5 Liquid valve INDOOR UNITS 62 W63 weal wes wes we7 N74 8 FU2 FU1 FU Heater fuse 19 5 7 9e 11 w56 57 58 59 wo Ww 7 QF TC1 TC2 Breaker Transformer m CN1 n UE BU RD CN9 CN16 CN18 CN37 CN5 OVC1 LVCC 6 XH XT Terminal board AC N L PI H P ress ress AP1 CN43 5 KM1 2 KM AC Contactor FUSE 5OT 3 15 250V 4 FA1 2 FA OVER CURRENT PROTECTOR ESO sib aa CN19 CNB CN17 Evi fonts oes jenza oes 29 enzo s eser W103 w81 W37 W36 5 opus COMP 5 TC At Al Al W108 NO CODE NAME Ti T K je WHO EKVI m m XT lw Wn e e e e W40 W39 W38 109 107 st IPAE RTII 112 5 16 RM7 RTB 9 20 GMVL R560W4 Na M GMVL R600W4 Na M N POWER Tce l 19 Wed 9 9 LI KM3 fyl KM2 K MS w22 OPE dB W23 24 A 2 RC Lid ta NAR Fail Fa 94 woo 2 yg XH N Lil L2 L3 P 30 2 R LI W3 XTI XT6 d W57 ver L yd QF S Le 1 V6 1 b 1 T L3 9 31 27 RC RCI RC2 RC3 Surge Suppresser ME ola 26 7 Commutotor Board MR MET 25 Mid In Temp Sensor PM Fue 81547 FUq 3 154 Fu 8154 RUNES
79. T mew anm Ear enm Front Plate KFR120WIB 00000001 01435433 D sme onn Dx meses 1 No Part name r no Material code Remark 232 DIGITAL MULTI 24 MAINTENANCE 233 DIGITAL MULTI VRF MAINTENANCE List of components GMV L R260W2 Na M GMV L R300W2 Na M fo ___ 58 seem saa T Gas liquid separate connect pipe ee panel rear VP14WA 07000001 01308736 sl ossa _ P comoro 1 a wem discharge pipe 2 VR100WA 09010001 03818797 Out pipe of uninstall vavle 5 a Exit Tube of condenser VR1I60WNaM 18010001 03338806 1
80. Valve W6 22 RIS In Temp Sensor 6 BU 6 FA 0 HP High Pressure Switch BK BU PE O 9 RT6 Oil lemp Sensor zija XI2 2 8 Discharge Gas Temp Sensor Bk 7 W15 3 W17 6 W18 9 Wikyo A1 0 8 M3 N m 2 m RT2 Environment Temp Sensor W7 kcal Ae PU 02 COMP 6 RM Mid Temp Sensor RE 40 44 46 42 5 RIS Out Temp Sensor XI2 2 e FANI FAN 4 Over Current Protector PE WH i 3 KMin3 AC Contactor Pressure sensor Pressure sensor YV 1 YV2 YV3 HP YV4 2 Motor WH Const High side w25 1 COMP SM COMP PM R C 1 45 47 a3 FA H NO Code name Name Model PM W13 RD IBK GN 4 5 7 8 10 XT2 2 W14 wig 45V GND Pre L 5v GND Pre H W19 W20 W21 W22 W23 W24 HERE 2 4 2 ONT BU 3 pp AC N AC L Press CN32 CN31 Press CN9 CN16 CN18 OVC1 CN3 LVCCI KM2 CNS BK RD WH WH CN10 7 BU YE API E CN11 CN12 15 14 CN15 CN25 CN24 CN25 EECNA CN7 CN19 CN6 3c T x x 3 XT2 W26 W27 W517 Al A2 1 A2 1 5 3 4 23 25 1 KM3 KM2 A2 A1 0 1 0 FL W30 W29 W53 1 2 L KM1 XIT N EKV Q 9 X Communication FA wire 5 la 2 RI4 GMVL R260W2 Na M GMVL R300W2 Na M S KM1 1 KM2 1 Mu XT w40 wso 05 oes gt gt FUL 3156 3 15A e L1 OWE 56 Filter W41 51 f T Le 25 51 6 Short Circuit Protector 241004
81. Weld torch ds fi i k 1 n 2 y ransverse Weld torch Z Te Upward Cooling Downward To avoid getting 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 155 DIGITAL MULTI VRF INSTALLATION be avoided can be used for cooling welded parts The following items shall be checked after welding is completed Is there any pore or hole on welded part Is 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 welding in the piping 1 Main purposes of cleaning are as follows To eliminate 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 To 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 Ae out
82. YEGN Out id In Environment r r temp temp temp temp anual Panel sensor sensor sensorsensor Notice 1 Please connect X1 with X2 in the high static pressure 65624155 2 Please connect X1 with X5 in the common static pressure 2 205 DIGITAL MULTI VRF MAINTENANCE GMV R22P NaB K GMV R25P NaB K GMV R28P NaB K GMV R32P NaB K GMV R36P NaB K dd X11 x Q OPE XI X ig CNS AC N AC L UNIO FUSE SOT 3154 250V COMMUNICATION CORD 2 ES COMMUNICATION CORD API N CNIS 5 9 O CNI4 CNIS CNI END CNI BUIYEIBKWHRDIBN 5 3 4 i m 2 2 2 E 46 a gt n i QU E ut iol n Environment X LCD E
83. Yes If the drainage pipe is No unblocked and if the Adjust the drainage pipe water flow is smooth Yes Check the drainage pump 7 Temperature sensor error Temperature Sensor error 2 temperature No 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 within normal range Replace the temperature sensor Yes Replace the mainboard of indoor unit 3 Pressure sensor error Pressure sensor error Check if the plug of high pressure sensor is correctly connected to the socket No Check the orientation of plug and socke Yes Replace the high pressure sensor Measure if the output value DC voltage of the outdoor mainboard socket is normal gt mE NO Replace the mainboard of outdoor unit 196 DIGITAL MULTI VRF MAINTENANCE 3 WIRING DIADRAM GMVL R120W Na K
84. and Unil 78 GEENTRALIZED CONTROLLER uu o is tt its 79 O INC cn n M A A A aa 79 6 2 79 VIEW A 91 6 4 Connection Between Controller and Unit 92 83 7 MONITORING SOFTWARE 96 96 7 2 Connection Between Computer and the 716 96 98 INSTALLA TION aka uid dtu 105 1 PRECAUTIONS FOR INSTALLATION 2 2 2 2 105 T Precauti ns for Installation Ro 105 2 FLOW CHART OEFINSTALLATIQN ii l taa Ut d 107 Sl Hosting OF Unit a ars ran 109 pu ease imr ER aa m cee 110 IADE ONS D U uuu u M 111 34 Installation Space REGUIFEMICIIS 114 3 5 Take Monsoons and Snow into Consideration ss ssesenenennnznnnnnnzannnnzzzznnananzzzzzznnznnzznznznz 118 4 INSTALLATION OF INDOOR UNIT a 120 JJ 120 J C assenme 124 4 3 AVE boat dot edi f ro e
85. dB A 40 36 40 36 42 38 840 494 40 Connecting External Dia x Thickness Package Dimensions 1068x766x320 1068x766x320 1245x785x360 WxDxH Weight Net Gross Notes 36 39 36 39 55 59 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 18 DIGITAL MULTI VRF PRODUCT GMV L R63P Na K GMV L R71P Na K GMV L R80P Na K Cooling Capacity Heating Capacity Air Flow Rate Deam m m _ Power Supply 220 240V 50Hz 15 9 15 9 inch 05 8 05 8 05 8 09 52 09 52 09 52 Pipes Liquid Pipe 03 8 03 8 93 8 Gas Pipe Fan Motor EM Connecting Drain Lon 030x1 5 Q30x1 5 30 1 5 External Dia x Thickness Unit Dimensions WxDxH 1112x756x300 1112x756x300 1112x756x300 m Package Dimensions 1245x785x360 1245x785x360 1245x785x360 WxDxH Weight Net Gross Notes 55 59 55 59 55 59 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any para
86. dimension diagram Caution for installation where air conditioner trouble is likely to occur IX IX IX Where there is too much of oil Where it 1s acid base area Where there is irregular electrical supply 132 DIGITAL MULTI VRF INSTALLATION 4 3 2 Dimensions Data Model GMVL R28Zd Na K GMV R28Zd Na K GMVL R36Zd Na K GMV R36Zd Na K GM L R50Zd Na K GMV R50Zd Na K 260 745 840 695 238 owman mE x 133 DIGITAL MULTI INSTALLATION 4 3 3 Installation space requirements The space around the unit is adequate for ventilation Refer to Fig 1 4 3 4 Installation demonstration e There 2 styles of installation y Ceiling type x 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 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 Remove the
87. frequency under which the compressor runs 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 1 1 Indoor Ambient Temperature Indoor Set Temperature 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 60 DIGITAL MULTI CONTROL High Air Speed Grade Medium Air Speed Grade Low Air Speed Grade 3 2 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 1 2 1 1 2 Indoor Ambient Temperature
88. front panel properly Check if the air inlet and outlet of the indoor and outdoor exchanger is smooth Remove the obstructions No Measure the fan motor and Yes Check if the indoor No and outdoor fans run normally signal input Yes Check if the indoor No swing louver is fully open Measure the swing motor and signal input Yes 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 Check if the indoor electronic expansion valve Engage the valve body with the coil can work normally Yes Yes Check if the indoor outdoor filters or radiating fins are dirty or blocked Refer to the Repair and Maintenance No Focus on checking the inlet and outlet of the connection between indoor units and maing 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 191 DIGITAL MULTI VRF MAINTENANCE 2 Low pressure protection Low pressure protection gauge to measure if the pressure is really low No Refer to low pressure sensor error Yes A Ves Add refrigerant according to the nominal refrigerant volume Check if the refrigerant in on nameplate and the calculated charge volume the system is too low
89. inlet temperature and the outlet temperature 15 deviated from the set superheat degree The purpose 15 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 15 reached or there is anv failure this control process 15 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 15 to keep proper subcooling degree and the detection is carried out everv 40 seconds When the unit is turned off the operation of the unit is stopped when the set temperature is reached there 15 anv failure or defrosting is carried out this control process is ended Sensor Inspection Control Ambient Temp Sensor 64 DIGITAL MULTI VRF CONTROL 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 under the status of ambient
90. kW m3 h 10000 CFM 5886 Brazing Connection ON N Power input 20000 11771 Fan Air Flow Rate N Step Weight Net Gross kg 450 490 Recommended mm2xNumber 10 0x5 Power Lines Dimensions of Installation mm 1160 850 x844 Dimensions of o Package Loading Quantity 20 Container 3 unit Loading Quantity 40 Container 4 unit N B N 1 CO 600 640 16 0x5 1400 2 4602 880 2 2152 980 1950 oo mm mm mm 17 12 Loading Quantity 40 High Cube unit 17 12 Container 5 Circuit breaker A 40 50 3 DIGITAL MULTI VRF kW Cooling Btu h Capacity Heating Btu h dB A R410A Filling Amount kg Power Supply V Ph Hz Cooling Power input Heating Cooling Rated current Heating Width W Dimensions Depth Height mm Compressor Moisture protection Climate Type mm Inch A p Gas Pipe Connection Pipes Liquid Pipe Inch Connection Method Max NO of Indoor Unit Power input w m3 h Fan Air Flow Rate Step Weight Net Gross kg Recommended Power f mm2xNumber Lines Dimensions of Installation mm Dimensions of Package mm Loading Quantity 40 High Cube Container A 5 GMV L R600W4 Na M 204730 ON Oo 214960 N 380 415V 3N 50Hz 19 2 18 2 9 1980 Me N 1760 Digital Scro
91. line 485 B line Crystal phone plug 3 way connector or welding 7 p1 D1 IDU COM2 COM1 D2 D2 ZJ6012 1 ZJ6012 2 ZJ6012 n RS232 485 Converter 3 way 3 way connector connector R D Rs485 A or welding IDU Ti orweldina IDU R D Rs485 B ODU ODU 04 P 01 ne COM2 D2 2 COM2 D2 02 03 02 2 ZJ6012m ZJ6012 m 1 ZJ6012 254 Description of above communication cables crystal head and the other end connects of it connects with wiring terminal of converter 2 core Type V twisted pair wire 97 DIGITAL MULTI VRF CONTROL 7 3 Hardware 1 Introduction to Main Devices 1 1 R232 R485 Optoelectronic Isolated Converter standard parts Connecting terminal 455 Working Indicator Power supply connecting Male connector OBSconnected terminal with RE232 of BMS 1 Function Introduction R232 R485 optoelectronic Isolated converter is used to convert the signal 232 of COM and signal of bus 485 2 Dimension 3 Installation Dimension 98 DIGITAL MULTI VRF CONTROL Smm 25mm 4mm 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 one in the factory Never self buy the models for replacement 220 V AC socket must be installed for independent power supply Power sup
92. model with GMVL code is cooling only unit while the model with code is heat pump unit the cooling only units does not have any parameters of performing heating 8 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 25 DIGITAL MULTI PRODUCT 4 2 2Cassete Type wa RENE NN NN NN ECCE E E Deam m Power Supply 220 240V 50Hz Fan Motor Gas Pipe Connecting Pipes Liquid Pipe Drain Pipes 30 1 5 30 1 5 30 1 5 External Dia x Thickness Unit Dimensions WxDxH 840x840x190 840x840x190 840x840x190 Package Dimensions 950x950x60 950x950x60 950x950x60 WxDxH Weight Net Gross Notes 25 31 5 25 31 5 25 31 5 1 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 26 DIGITAL MULTI PRODUCT GMV L R50T Na K GMV L R56T Na K GMV L R71T Na K Cooling Capacity Heating Capacity Air Flow Rate Sound Pressure Level H L dB A 37 34 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Fan Motor 12 7 15 9 15 9 Gas Pipe inch
93. 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 Innocase should the capacitor be used to improve the power factor Please use cable conduit for power cords Do not lay the electronic control cables remote control and signal line outside the machine with other cables otherwise the machine might become malfunctioned or failed due to electrical noise e 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
94. 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 The centralized controller without energizing and setting will display following OG rsa 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 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 93 DIGITAL MULTI VRF CONTROL Soft address 00 00 00 005 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 corresponding 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 15 the No displayed in l 64 grid of LCD and hard address is the actual one of communication module
95. operations as discharge of refrigerant disassembly of equipment replacement of parts and filling of refrigerant Be prudent to find out the cause The 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 Note The code 5 represents different errors Therefore then the wired controller of indoor unit or the lamp displays E5 protection please do not immediately cut off the power of complete unit but checking the records of mainboard adaptor board and drive board on outdoor side and observing the detailed display of the error lamp to identify the specific error protection 190 DIGITAL MULTI VRF MAINTENANCE 1 High pressure protection High pressure protection Use pressure gauge to Measure if the Yes measure if the pressure is gt pressure 15 Replace the mainboard of outdoor unit really high normal Yes Check if the operation mode of indoor unit is set properly Refer to the Instruction Manual for Indoor Unit Replace the pressure switch Yes Check if the gas valve No and liquid valve are full 9 Fully open the valve ully open Yes Check if the front panel of outdoor unit is covered tightly Cover up the
96. 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 clashes 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 69 DIGITAL MULTI CONTROL 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 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 downward take out the worn batteries and insert two new ones Make sure the two poles are correct 2 Re attach the cover a DRemove the cover B Re attach the cover RESET KEY pp 2 Insert 2AAA dry cell battaries attachment 1 the prints and code no will be showed on the 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
97. 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 2 Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner e Important notice To guarantee the good performance the unit must be installed by professional personnel according with this instruction Please contact the local Gree special nominated repair department before installation Any malfunction caused by the unit that 1s installed by the department that 15 not special nominated by Gree would not deal with on time by the inconvenience of the business contact 125 DIGITAL MULTI 4 2 2 Dimensions Data GMV L R140T Na K GMV L R125T Na K GMV L R112T Na K GMV L R100T Na K GMV L R90T Na K GMV L R80T Na K GMV L R71T Na K GMV L R63T Na K GMV L RS56T Na K GMV L R50T Na K GMV L RAST Na K GMV L R36T Na K GMV L R28T Na K INSTALLATION 950 Decorated surface boards 890 Ceiling opening 840 Indoor unit 4 d al Refrigerant pipe E
98. 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 1 ES Indoor Ambient Temperature rT Indoor Set Temperature If the indoor units of the same unit group all reach the temperature point the demand of the unit group is 0 now 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 i l 1 1 1 2 1 3 lig Indoor Ambient Temperature Indoor Set Temperature Low Air Speed Grade Automatic Air Speed Grade For Cooling General High Air Speed Grade Medium Air Speed Grade 1 1 2 1 3 4 Lo
99. setting illi The default Capacity dial up 1 the maximum capacity of indoor unit As shown above the capacity is See above for the lever position 177 DIGITAL MULTI INSTALLATION xx 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 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 Bit 4 Bit 3 1 1 1 1 1 1 1 1 gt 3 e 4 e x me a o w 3 Functional dial switch 57 Functional dial switch S7 Functional Description E Switch 0 ON Position 1 5 R Setting of memory mode Standby S Restore R 2 L 1 Setting of control mode wd ea indoor unit unit M unit S Setting of ambient 4 I O temperature acquisition Air inlet 1 Receiver O point pressure fan pressure L Functional description of function dial up Dial up switch 1 S R Setting of memory mode including the standby mode and restoration mode The standby mode refers to that the previous parameters will be kept but the unit will not run automatically after the power supply is resumed This setting
100. state it also called grouped control SELECT Select required control or setting object repress the button to the object is to cancel CONFIRM Confirm the operated operation is effective 80 DIGITAL MULTI VRF CONTROL 6 3 Display View DGREE Q 6 ALL ON ALL OFF DRY FAN LOW MD HGH i a mG m oe dj t t a sage it 99 88 CENTER 7 l DETECTING SEET SET Te IT lm SELECT CONFIRN A ON cm _____ gt oe TIME GROUP Xy OE MODE SPEED SWING TIMER V J J 4 Fig 6 3 1 Sketch for LCD part 4 j m NH pg BEBE E at B SET TES TAF 33 34 35 36 37 38 39 40 41 42 43 44 45 48 47 48 DO 59 NTA a TORING 1 6 5 50 60 et ez SWING SLEEP 2 ONT CHLMOE SELECT SET Peg oh rea ene Ng 14 3 2 j 40 9 Fig 6 3 2 T7 18 19 20 21 22 23 24 25 28 27 8 29 30 31 32 n Pagination displays Under select control mode group no that is present controlling is displayed B present domain
101. 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 All the detection time is not counted Failure Type Failure Code Indoor Ambient Temp Sensor Failure Indoor Inlet Pipe Temp Sensor Failure Indoor Intermediate Pipe Temp Sensor Failure Indoor Outlet Pipe Temp Sensor Failure Upper Limit Value Temperature Lower Limit M E CEDERE A A 4 PER Value i Failure Failure Failure Is Arises Arises Removed Temp Sensor 7 Im lt 1 4 lt 1 lt im gt 1m t 10 Address Code Setting Each indoor unit of the same group can only operate normally if it is assigned only one address Therefore the address of the indoor units must be set p
102. the remote control is not in use for a longtime to avoid mal function caused by liquid leakage 5 The remote control should be placed about Im or more from the TV set or any other electric appliances 6 The remote control should be used in the receivable range the reception range is 10m 7 When the remote control can not be controlled in the situation of inserted batteries please remove the back cover and press ACL button to make it normal 70 DIGITAL MULTI VRF 4 WIRED REMOTE CONTROLLER 4 1 Operation and Display View 1 LA essc C 2 ES A KS PEED ROOM TEMP i 5 a MO A gt 14 4 E LUC A ue H d n TIMER KS 10 2 1 Various Components of Wired Remote Controller Operating mode display Cool Dry Sleep mode display Environmental temp display Malfunction display Fan control display automatic high media low Set Temp display Defrosting display Temp Timer increase button Mode button Timer display Signal receptor 4 2 Dimension
103. 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 v v v The drainage rise pipe shall be in right angle to the unit and the distance to the unit shall not exceed 300mm Roof Hanger seat Within 300mm Below 280mm Drainage hose accessory Drainage rise pipe Below 500mm Ceiling Clamp accessory gt The inclination of included drainage hose shall be within 75mm so that the drainage insert will not bear excessive force 169 DIGITAL MULTI INSTALLATION Drainage hose FI accessorv T Below 500mm Below 75mm gt prevent the drainage hose from dropping downward hanger rods shall be erected every 1 0 1 5m Hanger rod Gradient over 1 100 __ E J Correct Incorrect x Usethe 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 The indoor drainage hose shall be thermally insulated Big sponge accessory Clamp Clamp accessory 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 wa
104. 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 __ Copper pipe Nitrogen charge pipe Copper pipe X 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 15 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 1s heated circularly to reach braze welding temperature copper pipe becomes light red and at the same time brazing filler metal 15 added circularly to fill in the clearance around the connector uniformly and afterwards the welding torch 1s 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 directly by flame Heating time shall not be very long
105. to the following order SPEED nil oe COOL SWING HUMID LIGHT SAVE w DRY 5 Set temp 16 c 30 2 FAN Set temp 16 c 30 ONOFF fast Baal Boal HR 4 HEAT Set temp 16 30 Set temp 16 30 B ON OFF button MODE button Press the button to turn on Press the button to change the mode according to the the unit Press the button following order 8 once again to turn off the unit and cancal the timer NOTE The cooling only units have no amp amp mode MODE ON OFF 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 for preparation for the nest work And this is normal phenomenon 68 DIGITAL MULTI CONTROL N 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 Liquid crystal displayer It shows all set contents
106. 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 assembly rooml 2 and office 7 8 and monitor room B Confirmation of quantity of systems The quantity required for the pinboards is the Communication f same as communication modules If no pinboard Centralized control cabinet modules only one module is needed So there should be 3 modules in total Centralized control Monitor room Installed indoors according to user s conditions cabinet Centralized f f Monitor room Installed indoors controller Step 2 Wiring and Installation A Centralized controller as extension function of 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 communica
107. 0 Check if the operation mode of indoor unit is set properly No Refer to the Instruction Manual for Indoor Unit 5 Check if the gas valve and No liquid valve of outdoor unit Fully open the valve are fully open 5 Check if the front panel of No 2277 ee Cover up the front panel properly Yes Check if the air inlet and outlet of the indoor and outdoor exchanger is smooth Measure the fan motor and Remove the obstructions Yes Yes Check if the indoor and outdoor fans run normally signal input Check if the indoor swing is full Measure the swing motor ouver is fully open and signal input m ddl n 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 Yes Check if the indoor NO electronic expansion valve Engage the valve body with the coil can work normally Yes Yes Check if the indoor outdoor filters or radiating fins are Refer to the Repair and Maintenance dirty or blocked No 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 192 DIGITAL MULTI VRF 3 Exhaust Temperature Protecti
108. 01MPa 1 Establish vacuum simultaneously in the gas pipe and liquid pipe The vacuuming time shall be long enough Vacuuming 2 Put still for 1 hour after vacuuming It is deemed acceptable if the pressure will not rise Add refrigerant according to the volume as specified on the Add refrigerant engineering drawing Open the valve of outdoor unit EEE 222 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 2 FLOW CHART OF INSTALLATION 107 DIGITAL MULTI VRF INSTALLATION Kicking off Material selection Inspection of site installation position Installation of connection pipes Installation of indoor unit Installation of outdoor unit of remote of power drainage control i cables pipes tion wires Address dial code Thermal Connection of power cables Purge and make leakage detection under pressure insulation Welding Connection of indoor unit and outdoor unit Connection of indoor unit and outdoor unit Leakage detection under pressure Test run of indoor unit Air flow and noise level inspection Open the valve Commissioning of complete un
109. 1 Function Instruction e The communication modules can be put together for convenient centralized management and reliable operation 2 Dimension e 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 _ _ 7 556 J E 1 8 NI s CU 3 Installation Criteria The dimension of the cabinet should be designed according to quantity arrangement and location 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 102 DIGITAL MULTI INSTALLATION 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 po
110. 1 SM Comp Heater PM R L4 wis wiso wise wisa VIS6 wise jA 7 HP High P Switch 9 ressure I EM yvi Tyva Yv4 5 m KM3 A2 LVN wae w33 Ee TEPBESS Y 6 YV8 DS2 Comp Liquid Valve 1 REL 5 YV7 DS3 Comp Liquid Valve XT2 N XT N 47 wag wisa wiss 157 W135 4 EKVI EKVE Systenl 2 EKV W53 FSVISNDPre L SVIGNDPrne H 1 3 5 7 9 SC Liquid 7 90 7 86 vs 3 YV5 051 Comp Liquid Valve iis BU JRID CN CN37 CNS Lver e YVI YV4 4 Voy Valve Gas Valve li ACN L Press H Press 1 SM Comp Reload Valve AP AP1 CN43 FUSESOT 3154 250V SM Comp Liquid Valve WH BU BK RD YE WH w wH 0 CNA CN28 CN17 CN11 CN13 CN15 lene Icnes 9 FU3 FUe FUI FU DS3 2 1 SM Comp Heater CNB CN 8 QF TCI TCe Breaker TC W60 7 XTI XT Terminal board Al Al ER m EKVI 6 3 0 1 KM DS 3 2 1 SM COMP Relay 2 Ao Q Q Q Q Q Q Q Q 5 FR3 2 1 FR DS 3 2 1 SM COMP Protector L XT L wee TT 2 4 AP3APA APSAP6 Motor Control system isd EKV RTI RTI3 RIS RTI7 RTIG 3 2 Motor 65 6 XT 18 C CDMP3 2 1 05 W m 1 SM CUMP 78 LU 781 Met L 14 Code name Name Model 1 2 Ne CN28 CN17 w138 wi4e 7 w145 w79 CNS 15 16 Bm w139 W143 8 146 w80 2 MI APS X1AP
111. 14310 102360 GMVL R300W2 Na M GMV R450W3 Na M 163780 153550 GMVL R450W3 Na M GMV R560W4 Na M 204730 191080 GMVL R560W4 Na M GMV R600W4 Na M 214960 204730 GMVL R600W4 Na M GMV R860W6 Na M 307090 293440 GMVL R86OW6 Na M GMV R900W6 Na M 341210 327570 GMVL R900W6 Na M DIGITAL MULTI PRODUCT 1 2 Indoor Unit 1 2 1 Duct type Model Cooling Btu h GMV R22P Na K GMVL R22P Na K GMV R25P Na K 8530 GMVL R25P Na K 5 lt Power Heating Ref Btu h 8530 10236 10918 12283 13648 15354 17060 19790 21496 220V 50Hz 23884 R410A 27296 30026 34120 37532 42650 46060 51180 3805 Supply GMV R28P Na K 9554 GMVL R28P Na K GMV R32P Na K 10919 GMVL R32P Na K GMV R36P Na K 12284 GMVL R36P Na K GMV R40P Na K 13649 GMVL R40P Na K GMV R45P Na K 15355 GMVL R45P Na K GMV R50P Na K 17061 GMVL R50P Na K GMV R56P Na K 19108 GMVL R56P Na K GMV R63P Na K 21496 GMVL R63P Na K GMV R71P Na K 24226 GMVL R71P Na K GMV R80P Na K 27297 GMVL R80P Na K GMV R90P Na K 30709 GMVL R90P Na K GMV R100P Na K 34121 GMVL R100P Na K GMV R112P Na K 38216 GMVL R112P Na K GMV R125P Na K GMVL R125P Na K GMV R140P Na K 47770 GMVL R140P Na K LTEM G AN RISOPAM NA DOQ SINE NET Xv ON CA NS N Conversion Formula Btu h kWx3412 3 DIGITAL
112. 2 756 300 1112 756 300 WxDxH Package Dimensions 1068x766x320 1245x785x360 1245x785x360 WxDxH Weight Net Gross Notes 49 56 49 56 Refer to the product nameplate for parameters and specification of the unit 2 model with GMVL code is cooling only unit while the model with code is heat pump unit the cooling only units does not have any parameters of performing heating 8 sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 24 DIGITAL MULTI VRF PRODUCT GMV L R90P NaB K GMV L R112P NaB K GMV L R140P NaB K o J m w Cooling Capacity 30709 38216 47770 Heating Capacity 34120 42650 51180 2000 2000 2500 Air Flow Rate um um un Sound Pressure Level H L dB A 44 40 44 40 45 41 External Static Pressure 80 40 80 40 100 50 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Fan Motor 015 9 15 9 15 9 Gas Pipe mm Connecting f mm 9 52 9 52 9 52 Pipes Liquid Pipe Connection Method Flare Connection Flare Connection 30 1 5 30 1 5 30 1 5 Unit Dimensions mm 1425x756x300 1425x756x300 1463x756x300 WxDxH Drain Pipes External Dia x Thickness Package Dimensions 1514x785x360 1514x785x360 1555x810x345 WxDxH 62 71 62 71 63 5 75 Weight Net Gross Notes Refer to the product nameplate for parameters and specification of the unit 2
113. 36x300 Package Dimensions 1514 795 360 1514 795 360 WxDxH Weight Net Gross 75 79 75 19 Notes Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 21 DIGITAL MULTI PRODUCT w ooling Capacity Btu 7507 8530 nm eating Capacity Bu Btu 8530 10236 a ir Flow Kate Sound Pressure Level H L dB A 37 33 37 33 Power Supply 220 240V 50Hz 220 240V 50Hz Fan Motor Connecting Pipes Liquid Pipe Connection Method Flare Connection Flare Connection Drain Pipes mm 20 1 5 20 1 5 External Dia x Thickness Unit Dimensions WxDxH mm 875x680x220 875x680x220 Package Dimensions 1012 708 275 1012 708 275 WxDxH Weight Net Gross 27 31 27 31 Notes Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operatio
114. 4 DIGITAL MULTI VRF MAINTENANCE 5 Communication error Communication error Check if the No communication line of indoor unit is connected Check the orientation of plug and socket Measu communication line is through gt Replace the communication line Check if the communication 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 Please mount the included magnetic ring if the outdoor unit No is electrically powered Please supply power to the outdoor unit Yes If the address codes of indoor units in the same No Change the repeated address codes system are repeated 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 195 DIGITAL MULTI VRF MAINTENANCE 6 Water full protection Fault display No the voltage of liquid No level switch terminal Replace the mainboard of indoor unit is correct Check if the water overflows Yes Yes Check the liquid level switch No If the voltage of drainage pump terminal is correct If the drainage pump is running N s Replace the mainboard of indoor unit Check the wiring of drainage pump Yes
115. AINTENANCE 4 Floor ceiling type Handling Instruction a C 2 pg Removal and Assembly of Mainboard Handling Instruction Removal and Assembly of Swing Motor Handling Instruction 5 EXPLODED VIEWS AND PART LIST 5 Outdoor Unit GMV L R120W Na K DIGITAL MULTI c4 E MAINTENANCE 23 DIGITAL MULTI VRF MAINTENANCE List of components GMV L R160W Na M Quanti 1 1 Gas liquid separate connect 2 e VR100WA 09010003 05014617 Oil separator Assy VRIOOWA 08020000 01 072287771 4 wem wa wmwewomm wses wwe 77 sampe 1 oss B CA eono motor support VP14WA 03010003 01708733 7 vy oas 1 wx mmm Deme mew Exit Tube of condenser VR160WNaM 18010001 03338806 1 Vemm Ux mre ms o aie PWM valve t of compressor liquid gas separator VRI00OWA 17000001 07228767 m wwe
116. AINTENANCE List of components Name Material Code GMV R45P Na K GMV R50P Na K Upper Cover Plate Assy N 5 1394607 Electric Box Components 1394608 Left Side Plate Sub assy 1308668 7 Left Support of Evaporator 1078629 O 0 1 2 Right Support of Evaporator 1078625 1 22 Side Plat ot Return Air Frame 1498641 14 15 1 17 1 1 2 9 EN INE EUN EUM 6 EUN 2 248 DIGITAL MULTI MAINTENANCE List of compnents Cod ode GMVL R56P Na K GMVL R71P Na K GMVL R80P Na K Upper Upper Cover Plate Assy Plate Upper Cover Plate Assy 12586522 EDO i j nen a 1 T r Ls 1 1 o 1 lm om 1 _ Cu remeras 2 1 2 moors o Cus sono 1 ua 1 o 1 o pu 28 1 21 212446 p Side Plate of Return Air 1498612 Frame 249 DIGITAL MULTI MAINTENANCE List of component
117. Bectronic Expansion Valve Start Indicating Light Is ON CONTROL Volume Air Supply Direction Start Indicating Light OFF Air Display The Last Settings Of Is The Protecting Start Display Flickering Abnormality Code Display Press The Start Stop Switch gt Start Indicating Light ON Air Volume Setting Display Displaying Start Display Abnormal Mode Display Air Supply Direction Setting Display Displaying Temperature Setting Display Displaying Air Supply Or Temperature Temperature Adjustment Cooling Of Heatig Y Air Supply Blower Stop Electronic Expansion Guide Louver Stop Cooling Heating Air Supply Air Supply Cooling Operation Heating Operation Operation 49 DIGITAL MULTI 1 1 Cooling Dehumidfying Operation C Cooling Operation D There 15 Not Guide Louver There 15 Guide Louvers Swing Fan Motor Operation In The Process Of Preventing Restart Operation 3 Minutes Temperature No Adjustment gt Y Fan Motor Stop Electronic Expansion Valve Close Electronic Expansion Valve Capacity Contr
118. Capillary s oi separator pass One way vae 26 One way vae 10 timia vane sov assy mmer 27 JEK uwase _ 32 n 10 11 15 45 DIGITAL MULTI GMV R860W6 Na M GMV R900W6 Na M Compressor oil thermistor fa oi separator p oi separator One way valve 25 EXV PRODUCT 46 DIGITAL MULTI VRF PRODUCT 11 Constant speed compressor Gas by pass value sub assv Capillary Compressor discharge pipe thermistor PW Condenser inlet pipe thermistor Compressor oil thermistor Condenser middle pipe thermistor GMVL R860W6 Na M GMVL R900W6 Na M 21 22 I 1 28 18 Gas by pass valve Femmes _ Liquid valve sub assy Drier Electronic expansion valve 47 GREE COMMERCIAL AIR CONDITION CONTROL DIGITAL MULTI 48 DIGITAL MULTI VRF CONTROL 1 OPERATION FLOWCHART Connecting To Power Supply Initialization Of
119. E 7 1 Function With 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 Communication Communication Communication Module Module Module 4 Converter 1 Communication Communication ___ Communication Module Module Module 7 2 Connection Between the Computer and the Unit Notice The address code of the communication modules should not be conflicted in one project Optoelectronic Isolated Repeater One every 800m of communication distance equipped with one and One every 30 communication modules equipped with one 30 sets Repeater Repeater oom oi _ m the communication cable and heavy current wire should be separated and the distance between them not be below 15cm A and line B of Bus 485 should respectively correspond with line A and line B crystal head crystal head buckle is downwards 96 DIGITAL MULTI CONTROL 4 core crystal phone plug 485 A
120. GITAL MULTI MAINTENANCE List of components Material Code GMV R22P Na GMV R25P N GMV R28P N GMV R36P N K a K a K a K 1259052 1394605 1394604 Z Electric Box Components Side Plate Sub assy Left Support of Evaporator 1308788 1078774 3334601 3338810 1305018 3828817 1038785 1038786 1339095 Liquid entered Pipe Sub assy Collect Gas Pipe Sub assy m 0 Evaporator Sub assy 11 2 Fan Fixed Plate m Centifugal Fan Border Plate Assy of Air Return End Motor PG20E Motor FG20C 1499055 15019522 15019053 10319051 1259086 1259056 1279051 1309055 2112446 I 15 16 Centifugal Fan Bottom Cover Na Cover of Air inlet Water Trav Assv 19 Right side plate assv Hook N Right Evaporator Support Border Plate Assy of Air Return End N 1079056 N N 1498783 2 B 6 DIGITAL MULTI MAINTENANCE List of components No Name Material Code GMVL R45P Na K GMVL R50P Na K Upper Cover Plate Assy 1394638 5 Electric Box Components 1394639 18 Water Tray Sub Assy Right side plate assy 1308670 Right Support of Evaporator 1078625 Side Plate of Return Air 1498641 Frame 3 2 4 5 6 T 1 1 1 1 1 1 Fej NM EN NM La is NM NM 19 20 21 2 2 247 DIGITAL MULTI M
121. GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 16 DIGITAL MULTI VRF PRODUCT GMV L R32P Na K GMV L R36P Na K GMV L R40P Na K Cooling Capacity Heating Capacity Air Flow Rate 4 94 Deam fs L s Power Supply 220 240V 50Hz Connecting Pipes Drain S 201 5 201 5 301 5 External Dia x Thickness Unit Dimensions WxDxH 875x680x220 875x680x220 980 736 266 Package Dimensions 1012x708x275 1012x708x275 1068x766x320 WxDxH Weight Net Gross Notes 27 31 27 31 36 39 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 17 DIGITAL MULTI PRODUCT IL Heating Capacity ENT NN 6 3 Btu ir Flow Kate Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz w Fan Motor fe 15 9 Gas Pipe Pipes Liquid Pipe Drain Pipes 030 1 5 030 1 5 030 1 5 Sound Pressure Level H L
122. Heating Modes When the 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 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 63 8 9 DIGITAL MULTI CONTROL 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 o
123. I INSTALLATION 2 Pressure maintaining and leak hunting of the system with refrigerant piping in connection with 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 If 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 15 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 refriger
124. I gt T gt I T T T l T T I T T i i 99 DIGITAL MULTI MAINTENANCE Ta gt Oo Fons s mm _ a Mm 07 Magnet Coil for EXV dv 276 DIGITAL MULTI VRF MAINTENANCE gt Exploded View of GMV Rh90Zd Na K GMV Rh112Zd Na K GMV Rh125Zd Na K 49 48 47 46 DIGITAL MULTI VRF MAINTENANCE Parts List of GMV Rh90Zd Na K GMV Rh112Zd Na K GMV Rh125Zd Na K No Description Qtv GMV Rh90Zd Na K lt 4 1 1 n _ u Drainage Pipe I m 5 Water Tray Sub Assy 0127240802 r Fuse 5A 250VAC 0 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Go N DIGITAL MULTI VRF MAINTENANCE 2 _ as moone _ a6 4 239 masse 4 0 1 7 5 I gt s 5 tmyvaeSAmy _ gt 279
125. Improper assembly of the drainage pipe may cause leakage or even expose the furniture to moisture a Assembly of drainage pipe gt To 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 Protrusion Twisting 0 ka 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 Fig 3 41 After installation of the drainage pipe be sure to make water test and check if the water can be drained smoothly 171 DIGITAL MULTI VRF INSTALLATION 4 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 a
126. In this example the centralized controller controls 3 communication modules with the address of 01 02 and 03 hard address is 01 02 and 03 For convenient management soft address will be set to the same as hard address i e 01 0017 02 002 and 03 003 If communication is normal after setting the centralized controller will display as the following figure ALL ALL OFF Soft address display 01 02 and 03 this button check indoor unit status Press to under corresponding soft address I 01 02 and 03 of soft address is displayed which indicates normal communication of these 3 communication modules 11 PRESENT UNIT NO displays 01 08 which indicates No 08 indoor unit under 01 communication module is being checked 111 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 lines address DIP of communication module and address mapping setting of centralized controller are the common problems during installation of centralized controller These 94 DIGITAL MULTI VRF CONTROL problems can be reflected from running indicator green of communication module Meanwhile it is recommended to debug the centralized co
127. MULTI VRF MAINTENANCE gt Exploded View of GMV Rh71G Na K GMV Rh80GT Na K 25 23 N 24 e5 c8 44 269 DIGITAL MULTI MAINTENANCE Parts List of GMV Rh71G Na K GMV Rh80GT Na K S mu C mme 1 7 1 Remote Controller 512 305125063 Receiver Board JD 30046093 1 EN NN a a 1 KA 3 EmwhwCe 1 1 es termina ow 1 EmwhwCme 1 8 1 Www 1 1 1 O93 1 935 __ 1 7 Evaporator Suppor Go 1 _ moam 354349 www 1 ae _ dt 008207 1 1 1 1 1 O 0 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 9 0 1 3 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 A A A A Connecting Wire communicate 400103953 44 Connecting Wire DIGITAL MULTI VRF MAINTENANCE 4 Floor ceiling type indoor unit gt Exploded View of GMV Rh28Zd Na K GMV Rh36Zd Na K GMV Rh50Zd Na K 6 19
128. NANCE Removal and Installation of Electric Box DUse screwdriver to remove the SCrews 2 Remove the electric box cover 1 Remove the electric box cover DUnplug the power cords and communication lines from the mainboard 2Use screwdriver to remove the screws 3 Remove the electric box 2 Remove the electric box 1 Assemble the unit in reverse to the disassembly procedures and energize it for testing 3 Assemble in reverse to the disassembly procedures DIGITAL MULTI VRF 1 Disconnect the pipes connected to the gas liquid separator 2 Remove gas liquid separator from the chassis 3 the new gas liquid separator onto chassis MAINTENANCE Removal and Insta
129. Net Gross F ge Recommended Power Lines mm2xNumber Dimensions of Installation Width m Me Dimensions of Package Depth Height S B B m 1950 Loading Quantity 20 Container Loading Quantity 40 Container 4 unit Loading Quantity 40 High Cube Container unit gt Circuit breaker D Indoor air temperature 27 C 80 6 F 19 C 66 2 F Outdoor air temperature 35 C 95 F 2 Indoor air temperature 20 C 68 F Outdoor air temperature 7 C 44 6 F 6 C 42 8 F 3 Interior Dimensions L W H 5898 2352 2393 Door Opening W H 2343 2280 4 Interior Dimensions L W H 12032 2350 2390 Door Opening W H 2343 2280 Interior Dimensions L W H 12032 2350 2697 Door Opening W H 2338 2585 m 5 DIGITAL MULTI PRODUCT 4 2 Product Data of Indoor Unit 4 2 1 Duct Type Model Cooling Capacity Heating Capacity Air Flow Rate Power Supply 220 240V 50Hz 220 240V 50Hz m 09 52 Gas Pipe inch 03 8 m 06 35 inch Q1 4 Connection Method Flare Connection Flare Connection Connecting kW m Pipes Liquid Pipe Drain Pipes 201 5 201 5 External Dia x Thickness 875x680x220 875x680x220 Package Dimensions 1012x708x275 1012x708x275 1012x708x275 WxDxH Weight Net Gross 21 51 27 31 27 31 Notes 1 Refer to the product nameplate for parameters and specification of the unit 2 The model with
130. ON 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 6 5 Management 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 and weld on it 27219 Clamp the pipe end to flat and weld on the clearance Then charge nitrogen 2 Skef em This will be more effective H Method for wrapping with adhesive tape Seal the pipe end with ethylene tape 2 Coil unwinding N 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 compres
131. Protector S FAN 2 4 5 1 Contactor Pressure sensor Pressure sensor 49 47 49 2 23 Motor Low side High side 5 7 43 8 10 1 1 5 Code Name Model XI 2 ee W12 W13 20 W W22 W23 W24 L1 BU CN32 RDI CN31 l AC N a Ei Press CN16 CN18 OVC1 CNS5 LVCC FUSE 50T 3 15 250V Wee A Rm ie C CN4 CNT CN19 CN11 CN12 CN13ICN14 CN15 CN23 CN24 CN25 AP W26 1 8 25 1 W27 W3 0 42 W30 XT1 N 251041 KZ X13 1112 9 C1 Communication me WITE RT2 RT Ne GMV R120W Na K XT W4 L Power FU 3 54 W2 W8 N 1 9 EH Compressor Heater 8 Terminal board 1 Obit W33 W9 W45 XT4 2 W28 FA B 7 Terminal board 2bit _ PE 6 YV4 B EXV2 Gas Valve KM1 X 5 w3 Reload Valve FA 4 W2 B EWT Liquid Valve Ws A 5 Wi 4 VALVE BK BU WH BK BU WH 21 RIS In Temp Sensor 2 4 P w32 3 RM Mid Temp Sensor W6 R 2 RIS Qut Temp Sensor B 10 1 5 4 Terminal board 2 8 EH W11 W44 X 2 15 W17 gt W18 9 W 1 0 0 HP High Pressure Switch 9 RT6 Oil Temp Sensor C1 PE c3 15 C4 ae 8 RT Discharge Gas Temp Sensor W7 fa E W40 W44 w46 w42 w48 s mm 1 2 ver Lurren rotector i XT2 2 C2 D FANT D FAN2 Y1 T YV4 3 AC contactor Pressure s
132. S X2 6 AP6 X2 FUSESOT 3154 250V 4 TC3 weal 64 wies L dwieee 7 17 18 T jus SYSTEM SYSTEM n ye WH BU BK RD YE WH WH WH Lvec 9140 81 APS APS emie enes enes pu ig 162 50 2 D APS 8 xr aez PUMP CHMP COMP COMP e 1 0 0 0 0 0 0 0 RTe3 RT 4 RIS RT26 RT27 2 25 XT4 L1 xmi WI 288 KO wa 555 7 2 15 W71 15 13 8 7 4 L3 L2 e w70 2 XU a TET 12 POW R till 1 i L1 Je 5 lt prowser 555 DEE de 555 158 E pre NLine L w100 KM6 AA w75 5 NA we KANAA wor _ KM3 NN 22 2 NN 5 KT NN Wad 2 48 W95 2 4 6 W96 2 4 6 Filter 2 6 um 2 4 6 m 246 FU6 FUS 4 FU4 FAS A NLoad L pe FUS FA2 A s FA FU2 FA3 A FU1 XT1 L1 3 15A 3 15A tas s EDL tas s SASL 8 SISAH as LB 3 15 W109 EER W105 W98 EB W101 W99 ma W44 W24 MV EIS 21h 215 m x2 XI 2 21 2157 21 KM6 TETA 5 KMG T i apg OM MIAN 2 TIPS T 4 W111 x W107 Wc W103 k x W34 W30 cost W26 wee W187 wasl W173
133. STALLATION 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 break VAN be installed to prevent electric shock or fire CAUTIONS The air conditioner must be securely earthed Incorrect earthing may cause electric shock or fire All the electric installations must be carried out by specialist technicians in accordance with the local laws rules and these instructions e 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 All the indoor units can only be controlled by one master power switch Rated supply voltage and special circuit for air conditioner must be used e 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
134. T1 XT Terminal W128 138 miS 090 isi Er 6 KM1 6 AC Contactor 13 CN14 CNI5 CN23 CN24 CN25 CN26 Fu og C Eme nt DOSI 0 puo COMO Ix d s MS c A Ma 5 FA1 6 Over Current Protector 5 P 4 4 Motor Control system ul 5 y KM4 iT 102 3 Mot 4 o of ey Of O O O oror Fasl 2 COMP2 6 DS COMP1 5 21 622 05 8124 805 RT26 R27 Indoor Unit M2 MI 1 COMP1 SM COMP x Code N mms SYSTEM2 SYSTEM 2 COMP COMP COMP ICOMP X16 5 6 5 4 3 2 1 202 DIGITAL MULTI VRF Indoor unit Indoor Unit Circuit Diagram GMV R22P Na K GMV R25P Na K GMV R28P Na K GMV R36P Na K GMVL R22P Na K GMVL R25P Na K GMVL R28P Na K GMVL R36P Na K MAINTENANCE
135. Under addresses setting state present Soft Add is displayed Present unit no Displays the soft address of communication module that the present checking or controlling indoor unit is belonged as well as the address of indoor unit 3 Format Soft add Indoor unit add 3 Displays when there is error at any indoor or outdoor unit Operation mode Displays every operation state mode of indoor unit Speed display Displays High Medium Low and Auto speed of indoor unit Check Under group control mode it is displayed when checking grouping information Under address setting mode it is displayed when checking hard address ui 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 Displays when abnormal occur on operation state of present indoor unit System time Displays present time format is Y M D H M and week 81 DIGITAL MULTI VRF CONTROL sese Displays van 1 Sinn Boo pin mr System setting Setting operation mode of central control It should be completed by installation but not for users EE r Displays of soft address When Indoor on addresses of present online indoor unit is displayed When domain on soft address of present online communication module is displayed Specific location of controlled indoor unit can only be ascertai
136. V 50Hz 220 240V 50Hz kW 0 022 0 026 0 026 Fan Motor mm 12 7 15 9 15 9 Gas Pipe inch 1 2 5 8 5 8 Connecting mm 06 35 99 52 09 52 Pipes Liquid Pipe inch 1 4 3 8 3 8 Drain Pipes 30 1 5 030 1 5 030 1 5 06 External Dia x Thickness Unit Dimensions mm 830x189x285 1178x227x326 1178x227x326 WxDxH Package Dimensions 1006 395 295 1365 417 333 1365 417 333 WxDxH Weight Net Gross Notes 11 15 8 17 5 23 17 5 23 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 33 DIGITAL MULTI PRODUCT Cooling Capacity Heating Capacity _ 7 Sound Pressure Level H L dB A 49 42 49 42 Power Supply 220 240V 50Hz 220 240V 50Hz Fan Motor 15 9 15 9 Gas Pipe inch 5 8 5 8 Connecting Pipes 09 52 9 52 Liquid Pipe inch 03 8 03 8 Connection Method Flare Connection Drain Pipes mm 030 1 5 030 1 5 External Dia x Thickness Unit Dimensions mm 1178x227x326 1178x227x326 WxDxH Package Dimensions 1365 417 333 1365 417 333 WxDxH Weight Net Gross Notes 17 5 23 17 5 23 D Refer to t
137. V R28Zd Na K GMV R36Zd Na K GMV R50Zd Na K GMV R71Zd Na K GMV R90Zd Na K GMV RI12Zd Na K GMV R125Zd Na K GMVL R28Zd Na K GMVL R36Zd Na K GMVL R50Zd Na K GMVL R71Zd Na K GMVL R90Zd Na K GMVL RI12Zd Na K GMVL R125Zd Na K a TAT OUT MID IN ROO TEM SENSOR TEM SENSOR TEM SENSOR TEM SENSOR X6 RT RT3 RT4 RT NL PN 9 8 8 8 a 2 2 4 A A A Z S ZN AN x14 X23 x24 2 X26 XS Communication d Wire 55227 X1 pp Communication E TC sess Wire K X28 We TE x x2 bb 2 h ee sf 2 X16 X15 i TIT X30 X8 X5 X4 X6 e Oe WH
138. W76 W23 W22 w13 LIBE i SIR FUB FU5 FUA FU2 ire 8 RW XN 13 La Pt 1 3 154 3154 5 154 3 15 5 154 5 154 w93 205 W204 W36 epo 18 8 XIS 24 XIS 6 W109 W105 w101 W32 W28 W24 Wo W37 2157 2157 21 A 21 4 A 4 L Line 1 KME 5 5 ME 5 22 MA W201 4200 w110 W105 W102 W33 29 25 1 1 Filter1 6 1 3 5 15 17 XT3 19 XT3 21 w83 o odd Opt i 111 107 103 W34 W30 W26 RIRIS lt exo eo 1199 W198 2 LAA ANA NN 5 vy KM3 2 KMI EH6 EHS EHA 2 6 Sia FAS A Ss t 2 Kan F a Fast FAS B Cleat ae Be W112 W108 W104 W35 W31 W27 1125 A i w196 COMP6 COMPS COMP4 COMPS cure COMP S 5 1 2 Mid in 15 W187 158 2 W173 26 femp Sehsor ore PE SE scnarge bas SPE 3 6 8 14 16 8 9 20 8 25 RI18 Temp Se or 3 w206 W207 kd QFI 7 s API W45 W46 447 WA8 DS 1 2 3 4 5 wig W20 4 PM R LI Wy 142 144 146 148 150 152 154 wisel a 24 81 17 20 25 26 29 Temp Sensor X m m L wi58 XH N 450 AR wa y 25 RT16 SM Oil Temp Sensor L PRESS H PRESS Wi m m 5 W67 W159 22 FAQ FAS G RTI 2 RT 3RT22 Environme
139. aaet eris 132 5 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING 139 6 INSTALLATION OF REFRIGERANT PIPING 143 7 INSTALLATION OF ELECTRONIC EXPANSION VALVE 162 INSTALLATION OF CONDENSATE PIPE 164 8 1 Material Quality Requirements for Condensate PIpe 164 8 2 Key Points for Condensate Pipe Installation 164 8 3 Installation of Drainage Pipe for Different Types of Indoor Untlt 164 6 4 Test lor Condensate pu u a 172 5 2 Regue MEn ot Heat Preservatioti iii k os E es eme tesi irs er es desi ee 172 9 ELECTRICAL INSTALLATION 173 O T Precautions Tor Electrical Installation t u 173 9 2 Specifications of Power Cord amp Circuit Breaker u E 174 Skete a 174 of Unit ss 176 181 ITT TROUBLE TABLES sie it t 181 IX Trouble Displayor Indoor Unit aa iii 181 1 2 Trouble and State Display of Mainboard LED of Outdoor Unit 183
140. about 100mm lt Immiting water from the outlet vent terminal gt 131 DIGITAL 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 15 completed Selection of Installation Location IX IX X 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 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 surroundings of a laundry a bath a shower or a swimming pool Be sure that the installation conforms to the installation
141. acitv 300 30KW 450 45KW 560 56KW 600 60KW 860 86KW 900 90KW Refrigerat RAlA R410A M 380V 3N 50 Hz Power complement K 220V 50Hz Example GMV R300W2 Na M a digital scroll outdoor unit of GREE using R410A refrigerant with two compressors and the nominal cooling capacity is 30kw The power supply is 380V 3N 50 Hz DIGITAL MULTI VRF PRODUCT 2 2 Nomenclature of Indoor Unit L Cooling Only Model Code Default Heat pump G wall mounted P ducted Indoor unit T cassette Zd floor ceiling Design Sequence B Second generation Example GMV R22G NaB K A wall mounted indoor unit of GREE and the nominal cooling capacity is 22 2 2KW 25 2 5KW 28 2 8KW 32 32KW 36 3 6KW 40 4 0KW 45 4 5KW 50 5 0KW 56 5 6KW 63 6 3KW 4 Nominal cooling capacity 71 7 4KW 80 8 0KW 90 9 0KW 100 10KW 112 11 2KW 125 12 5KW 140 14 0KW 2 2kw It s the second generation product and it could connect the outdoor unit with digital scroll the power supply is 220V 50Hz DIGITAL MULTI 3 FUNCTION For Comfortable Air Conditioning For Easy Construction and Maintenance For Flexible Control PRODUCT 10 DIGITAL MULTI VRF PRODUCT 4 PRODUCT DATA 4 1 Product Data of Outdoor Unit Model GMV L R120W Na K 1 40946 1 Heating D Noise R410A Filling Amount Power Supply 220 240V 50Hz GMV L R160W Na M kW Btu h 54594 nds Buh m PA o
142. ame and use screwdriver to remove the air inlet cover board eRemove the screws on fan sub assembly eRotate the propeller housing to the air inlet opening according to arrow direction eUse inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor eFirstly 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 In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit DIGITAL MULTI VRF MAINTENANCE 7 Assemble the the unit in unit in reverse to 2 gu reverse to the disassembly the disassembly E procedures and energize it procedures for testing 2 Cassette type Unit Removal and Assembly of Fan Motor 1 Loosen the screws fixing eUse screwdriver to loosen the water tray the screws fixing the water tray 2 Remove the water tray 1 eRemove the water tray 3 Loosen the bolts fixing the eUse spanner to loosen the fan bolts fixing the fan 4 Remove the fan eRemove the fan 5 Loosen the screws fixing eUse screwdriver to loosen the motor eg a the screws fixing the motor 226 DIGITAL MULTI VRF 6 Remove the motor and replace it 7 Tighten the screws fixing the motor 8 Mount the fan and tighten the fixing bolts
143. 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 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 yx Examine the connection pipe to see if it had gas leakage then take the treatment of heat insulation as shown 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 128 DIGITAL MULTI INSTALLATION Smear freeze motoroil here 4 Median sponge attachment Q entwine the wiring interface with seal mat En c Thread fasten x4 Torque wrench Heat preservation sheath of liquid inlet tube attachment for liquid tube Heat preservation sheath of gas collection tube attachment for gas tube Gas collection tube ____ Spanner Liquid inlet tube Wiring interface Fig 3 Form 1 The tightening torque needed for tightening nut Diameter Inch Surface thickness mm Tightening torque N m Drainage hose 1 Install the drain hose gt lt The diameter of the drain hose should be equal or bigger than the connection pip
144. ant pipe according to the steps below Check if the thermal insulation pipe has met 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 Thickness of Thermal Insulation Refrigerant Pipe mm Outer Dia x Thickness Materials mm 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 158 DIGITAL MULTI VRF INSTALLATION Lower foam of thermal insulation Upper foam of thermal insulation 3 Cautions The thermal insulation materials shall be able to withstand the pipe temperature For heat pump unit it 1 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 withstand a temperature not lower than 70 C on both liquid pipe side and gas pipe side Example
145. arge refrigerant to the system piping When the pressure reaches 0 0kgf 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 VL knob to pump from low pressure end until the vacuum level reaches 0 1 MPa gauge pressure lkgf cm e When the procedures for vacuum pumping are finished refrigerant shall be charged If the vacuum level reaches 0 1 MPa 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 1s leakage In this case proceed to leakage detection and repair 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 x refrigerant charge amount of every meter of liquid pipe 160 DIGITAL MULTI VRF INSTALLATION Amount of refrigerant charge for every meter of liquid pipe kg m Medium 25 4 22 2 19 05 15 9 12 7 9 52 6 35 R22 0 41 0 187 0 12 0 03 0 25 0 11 0 054 0 022 Note Standard pipe length is 15m I
146. asive cloth or abrasive paper Bis If oil stain is existent acetone or spirit solvent shall be used for ungrease treatment At the same time compressed air at 0 8 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 Since vigorous oxidation would occur on the surface of copper pipe at braze welding temperature 152 DIGITAL MULTI INSTALLATION to effectively restrain the generation of oxide coating in copper pipe nitrogen filled protection for copper pipe 15 necessary e After copper pipes are assembled nitrogen shall be filled in copper pipe connectors e Nitrogen charging method Pressure is 0 05 0 3MPa 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 Main points of nitrogen charge See the drawing below When nitrogen is charged the press switch on the quick connector and inflator shall be closed to let nitrogen totally filled in the pipe Make sure nitrogen reaches all welding connectors in order
147. ate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 31 DIGITAL MULTI PRODUCT ma pe se 8530 13649 Power Supply 220 240V 50Hz 220 240V 50Hz Heating Capacity Gas Pipe Connecti ng Pipes Liquid Pipe Drain Pipes mm 20 1 5 20 1 5 20 1 5 External Dia x Thickness Unit Dimensions mm 770 190 250 770 190 250 830x189x285 WxDxH Package Dimensions 955x330x272 955 272 330 1006 395 295 WxDxH Weight Net Gross Notes 8 14 3 8 14 3 11 15 8 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 32 DIGITAL MULTI PRODUCT ww Dep s d o KATT A Air Flow Rate Heating Capacitv Sound Pressure Level H L dB A 43 28 49 42 49 42 Power Supplv 220 240V 50Hz 220 240
148. ate sub assembly 7 Remove the left side plate right side plate rear lining plate sub assembly and back cover board ING MAINTENANCE DUse screwdriver to remove the screws 2 the flow guide cover DUse screwdriver to remove the screws Remove the fan sub assembly DUse screwdriver to remove the screws Remove the front panel 1 3Use screwdriver to remove the screws Remove the front lining plate sub assembly DUse screwdriver to remove the screws fixing the left side plate and right side plate 2 Remove the left side plate and right side plate 3 Use screwdriver to remove the screws fixing the rear lining plate sub assembly and back cover board 4 Remove the rear lining p
149. ation to ON OFF button of wired controller for selected indoor unit 75 DIGITAL MULTI CONTROL 2 MODE and Memory Refer to power off memory function about the details 3 A mode 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 5 3 Display View UN 2 3 4 5678 9 10 11 12 13 14 15 16 MODE 2 Weit 2 AN 1 ERROR ROOM TEMP SHEILD v SPEED FORCE wo INQUIRY E S FAN 2 uy as SET LOCK 4 RUN ei Ade SLEEP LA Ln sue oon IE LS a IN JARS IF 2 C f GREE 22 ON OFF 21 Fig 5 3 Display name Instruction to display Inquiry state INQUIRY is displayed 1 Control mode Single control state SINGLE is displayed Cent
150. ator state is classified into BRIGHT BLINK and DARK which are combined to indicate the error BLINK DARK and easily memorable combination will be used firstly 4 Drive board error indicator for DC variable frequency fan Applicable to mainboard WZS901 Code 30229004 This mainboard has one error indicator LED 1 red only The error is judged from the counts of continuous quick blinking During normal operation the indicator blinks every Is Note The code 5 represents different errors Therefore then the wired controller of indoor unit or the lamp displays E5 protection please do not immediately cut off the power of complete unit but checking the records of mainboard adaptor board and drive board on outdoor side and observing the detailed display of the error lamp to identify the specific error protection 189 DIGITAL 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 To analyze judge and identify the cause of trouble please start from the simple operation and finally proceed to such complicated
151. ature protection Protector protection Fixed frequency error Indoor tube inlet sensor error Exhaust Indoor Indoor temperature tube middle tube exit sensor 2 sensor error sensor error error Error F9 FA Fb Error sensor error sensor error conflict gt GMV Rh71G Na K GMV Rh80G Na K Electrical source LED Operation LED Timing LED Tube inlet sensor error Compressor top casing sensor 1 Fixed frequency error Compressor top casing sensor 2 error Communication error sensor error error Room sensor error 182 DIGITAL MULTI VRF MAINTENANCE Defrost Mode conflict Communication error failure error Legend bright dark e blink 1 1 4 Trouble display of floor ceiling type 1 1 4 1 Trouble display of mainboard LED of floor ceiling type Wbemesmoem Um e _ e _ error Roomsensorenor e om 4 ___ mes 09 X Comminicztionemor L Ausitiarytesterenor Legend bright o dark e blink 1 1 4 2 Trouble display of mainboard numerical tube of floor ceiling type sensor error Indoor tube inlet sensor error Error with exhaust temperature sensor 1 fixed frequency Low pressure Low pressure protection Exhaust overtemperature Overcurrent Protection Communication e
152. can prevent gasket break off 2 Use install cardboard Please refer to the install cardboard about the dimension of ceiling opening gt lt The central mark of the ceiling opening is marked on the install cardboard xx 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 1 slant toward the opposite of the coagulate water flow there may be malfunction of the bobber switch and lead water drop 5 Backoutthe gasket anchor board used to prevent gasket break off and tighten the nut on it 6 Backout the install cardboard 127 DIGITAL MULTI VRF INSTALLATION Nut Supplied at scene Gasket attachment Gasket anchor board attachment N Hoisting stand 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 Center of the ceiling Install cardboard 5 7 END Water lever 4 1 Polyethylene pipe Bolt attachment Bolt attachment Fix the install cardboard Note e Please do tighten the nuts
153. ch for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit 7 Replace with a new eAssemble the unit in motor reverse to the disassembly procedures and energize it for testing DIGITAL MULTI MAINTENANCE Duct Type 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 1 Unplug the motor eCut off the power cables supply of Indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the filter eRemove the filter sub assembly and air E sub assembly from the air inlet cover board SS inlet frame and use pe screwdriver to remove the air inlet cover board 3 Remove the screws on eRemove the screws fan sub assembly QE ELE fan sub assembly 4 Overturn the propeller p eRotate the propeller housing LES housing to the air inlet Fa il opening according to arrow direction 5 Loosen the fan and eUse inner hexagonal motor spanner to loosen the 4 screw
154. cut off Handling Instruction 1 Firstly remove the front panel front case and electric box 2 the evaporator 3 the motor and cross flow fan 47 A E pee E a U 22 2 7 1 Firstly use screwdriver to loosen the screws e Unplug the motor terminals in the electric box Loosen the earth screws and lift up eFirstly use screwdriver to remove the fixing screws on the left and right side Then remove the evaporator e Use screwdriver 0 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 229 DIGITAL MULTI VRF M
155. d Type ga 220 240V 50Hz 220 240V 50Hz m 9 52 9 52 12 7 Gas Pipe inch 03 8 03 8 1 2 Connecti m 06 35 06 35 06 35 ng Pipes Liquid Pipe inch 1 4 1 4 1 4 Connection Method Flare Connection Flare Connection External Dia x Drain Pipes mm 20 1 5 20 1 5 20 1 5 Thickness Unit Dimensions mm 830x189x285 830x189x285 830x189x285 WxDxH kW Package Dimensions 995 394 268 995 394 268 995 394 268 WxDxH Weight Net Gross 8 14 3 8 14 3 11 15 8 Notes Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 30 DIGITAL MULTI PRODUCT Pe wa ES 17061 21496 o Power Supply 220 240V 50Hz 220 240V 50Hz Heating Capacity Gas Pipe Connectin g Pipes Liquid Pipe Drain Pipes mm 20 1 5 30 1 5 30 1 5 External Dia x Thickness Unit Dimensions mm 830x189x285 1020x228x310 1020x228x310 WxDxH Package Dimensions 1006 385 265 1178 325 390 1178 325 390 WxDxH Weight Net Gross Notes 11 15 8 15 5 20 5 15 5 20 5 Refer to the product namepl
156. d of one module and insert another end into the 4 pin holder on the outdoor mainboard of another module 9 4 Dial up of Unit The indoor unit is provided with three dial up i e address dial up capacity dial up and function dial up Among them the address dial up and function dial up shall be set on installation site The duct type unit is taken as example to illustrate the position of three dial up 3 1 m citi wwe m L 1 address En 9 4 1 Dial up of indoor unit mainboard and wire remote controller 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 15 16 and the lowest address 15 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 Below is factory default setting 176 DIGITAL MULTI VRF INSTALLATION FLL Address
157. ddress as operated the following 1 Dial the digital switch at the back of communication module to OFF completely as below 90 DIGITAL MULTI VRF CONTROL nV digital switch i amp S S KG sa KZ Da Ku Q 91 DIGITAL MULTI VRF CONTROL Set DIP for address according to the following table Address from 0 to 31 Address from 32 to 63 DIP S2 DIP S3 Address DIP S2 DIP S3 Address sz 1 2 4 5 1 2 3 fofofo 60 61 62 63 28 0 29 1 30 0 31 1 NM em e 0 0 1 1 e e nm nm e e nm gt C ES mm C NX C EX m nm nm m nm e nm C gt gt E DIGITAL MULTI VRF CONTROL from 64 Aa Ty 95 em from 96 to 127 Address DIP TTE DIP T Address DIP DIP m T Step 4 System Setting of Centralized Controller SYSTEM SETTING includes ADDRESS SETTING and INITIALIZE SETTING The former one is used for setting address of 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 to 253 0 15 generally unused it is necessary to specify the address of communication module
158. door unit B Liquid pipe Outdoor side le E Sd The opening of the pipe not to be purged shall be blocked with blind plug Air pipe b High pressure end of the pressure gauge is connected to the refrigerant filling nozzle of the small pipe liquid pipe c All copper pipe ports outside the A side of indoor unit shall be blocked by blanking plugs Copper pipe Blanking plug Block with insulation materials d f Copper pipe ports not to be cleaned shall be blocked by blanking plugs Quick release N Cleaning process N 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 156 DIGITAL MULTI VRF INSTALLATION 6 9 Pressure Maintaining and Leak Hunting 1 P
159. e 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 xx If drain hose cannot has enough drooping gradient drain raising pipe should be added gt lt To prevent bent of the drain hose the distance between hoisting stand should is 1 to 1 5m Pel Oi 54 pec eec 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 129 DIGITAL MULTI VRF Heat insulation should be done to indoor INSTALLATION Sponge attachment drain hose Drain stepup pipe note Clamp attachment O The install height of the drain raising pipe G e should less than 250mm 4 1 E gt lt The drain raising pipe should form a right E Sponge gray Drain hose angle with the unit
160. e W63 4 AP3APA APSAP6 Motor Control system U 3 Me oto Al KMI Hae ER 2 COMP3 2 1 DS COMP Le EKVI of laf 27 Lol 18 SM CUMP NU Code ame Model L 2 7 RTIS RT14 RTI3 RTIB PM C 14 OY YN L Wb 99 VAT TC4 TC3 3 AP4 1 ERO 1 E 1 2 AP6 AP5 CN 8 XT2 L AP6 X1 AP6 X2 US FUSE 50T 315A 250V APe 4 7 1 2 ae CN5I CNI7 CN32 CN33 CN3l e i i I 4 E 1 3 75 7 W64 W65 W66 w67 rupe Me i u a 2 SYSTEM ROP 3 2 COMP COMP COMP COMP RT21 RT27 25 24 RTe3 RT26 RT28 3 5 1 NoteCooling only unit without the VXVLEKVI 2 RTI3 RTI4 RTIS RT23 RT24 RTE5 GMV R560W4 Na M GMV R600W4 Na M 200 DIGITAL MULTI MAINTENANCE
161. e No 6 _ Eoo m jab MESS 2 PAB Ay pus if 222 NRE Monitor Room J Fan an i 17 sq m F 15sqm a a a 15 sqm 15341 1 Instruction to Distribution of Unit and Installation of Equipment This office building has been installed with 2 sets of units as shown in the table below Quantity of required Quantity of Name Models communicati indoor Corresponding rooms of indoor units on modules units pinboard Address of Address of communication indoor unit module Office 1 GMV R300W2 Unitl 1 Office 2 Office 3 Office 4 Office 5 Office 6 Address of GMV R620W4 Address of Unit 2 2 2 communication D indoor unit module 02 Assembly 03 ls 2 35 4 room 83 DIGITAL MULTI CONTROL Assembly room 2 B GMV L R620W4 A SRL 52 BRO 2 a amana P en N Y N Iv i N Y lt N Z X JA
162. e drop Criteria for Inspection eligibility X Except for temperature influences pressure changes about 0 01 MPa for temperature change of 1 C 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 C 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 X 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 15 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 157 DIGITAL MULT
163. e 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 cleaning in the future 166 DIGITAL MULTI INSTALLATION Indoor unit Indoor unit MU xl Joint 17 Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe The horizontal pipe cannot be connected to the vertical pipe at a same height It can be connected in a manner as shown below NO1 3 way connection of drainage pipe joint 3 way connection of drainage pipe joint NO2 Connection of drain elbow Connection of drain elbow NO3 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 Installatio
164. ected indoor or outdoor Room temp or error f unit code Error code is displayed during malfunction to selected indoor or outdoor unit Melt is displayed during defrosting Region monitoring controller A Inquiry state LOCK is displayed when selected indoor unit is locked 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 SET blinks when the unit is on and commanded SET is displayed when the unit is on without command Set temp value is displayed when the selected indoor unit is on and not in timer C set temp f inquiry or setting status m HR hour is displayed during timer inquiry or setting 5 is displayed when the timer time value includes 0 5 hr and the unit is during timer inquiry or setting During timer inquiry integer of setting time of timer is displayed 95 Setting temp and timer mM uM f During timer setting Integer of setting time of timer 1s displayed time Set temp value is displayed when the unit is not during timer inquiry 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 c
165. ell 271 DIGITAL MULTI VRF MAINTENANCE Parts List of GMV Rh28Zd Na K GMV Rh36Zd Na K GMV Rh50Zd Na K Description Qty GMV Rh28Zd Na K mes Ge 1 masana 10512027 Louver Fixer w 4 __ 3 ____1 3 __ 1 ___ n ___ mo Comectingever c 13 Comectingever 2 Cc _ Mo Righe Swing MotorFiner 26152006 _ 15 Bight Fixing Plate of Evaporator 1 BIG 16 RigheSideFoam __ 4 QM _ 18 RisheDecoraiomPanet __ 19 _ Capa itorupiS0OV 1 9 noy __ 2 Ep __ __ _ 100 3 __ __5 Wese 2 QFeesAOVAC 48 __ 27 CoverofBtecticBox ____ o __ 3 Drm 2 29 DispiavBoad 30 1 __ mme 013 1 __ DIGITAL MULTI VRF MAINTENANCE maa Magnet Coil for EXV 273 DIGITAL MULTI VRF MAINTENANCE gt Exploded View of GMV Rh71Zd Na K DIGITAL MULTI VRF MAINTENANCE Parts List of GMV Rh71Zd Na K e Part Code Description Qty GMV Rh71Zd Na K E 4 i i 7 i T
166. ensor Pressure sensor W41 W50 W47 w49 1 COMP1 5 XIl L 4 aa a NEU High side a ell M3 NO Code name Name Model 12 2 l 14 o W woo wat w22 W24 CN2 BU 1 R AC N AC L CN32 Pres CN3 H Press CN16 CN18 OVCT CN37 1VCC jos i CN CNB CN19 Ai QUI CN11 2 il i U jo CN24 API W26 XI2 AD 1 2 3 4 23 25 KMI W27 W3 02 W30 C5 C4 13 E C1 1112 9 9 9 9 9 Communication W XH Re RT2 RTS RT4 RTS RIG RT7 197 DIGITAL MULTI VRF GMV R160W Na M MAINTENANCE
167. ety considerations and must be strictly followed After completing the installation and test run and confirming that all are normal please introduce to the client 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 WARNING The 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 gt install a large air conditioning system in a 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 ma
168. f a ux mand y lj f i 1 u E Vl k J 4 k Pipe cover Drainage Pipe mm Outer Dia Thickness of Thermal Insulation Materials mm 17 gt 15 27 gt 20 168 DIGITAL MULTI INSTALLATION X Notes E The inclination of drainage hose shall be within 75mm so that the drainage insert will not bear excessive force F To connect the drainage pipes for multiple machines please use the method of multi pipe collection as shown below o l joint collecting drainage pipe 1 100 i Fig The specification of collecting drainage pipe shall be suitable to the working capacitv of the unit We mav collect the drainage pipes of all the indoor units in one svstem An outdoor unit and all the indoor units connected to this outdoor unit are called one svstem or collect the drainage pipes of all the indoor units in several svstems Notes The ceiling height must be considered and a specific gradient shall be ensured along the water flow direction 2 Cassette Tvpe Four sided Outlet a Installation of drainage pipe gt The 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
169. f 9 7 shall be used in the oil balance pipe 142 DIGITAL MULTI VRF INSTALLATION 6 INSTALLATION OF REFRIGERANT PIPING 6 1 Flow Chart of Installation Installation af Indoor Unite Fabrication according to piping design dimension Installation of connection pipese Expel with nitrogen Welding Airtight teste 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 abrication o acuuming and Example Rainwater engineering fitting pipe drying water Invasion of indoor condensate Formation of oxides inside the Expel with nitrogen 0 05 0 3Mpa Invasion of dust and foreign TEE articles from outside abrication o fitting pipe pipe during welding 143 DIGITAL MULTI VRF INSTALLATION Airtight Incomplete welding Use suitable materials Leakage from flared port copper tube soldering bar Observe the basic 3591 JU IHIV welding LC orf i or flaring of fitting pipe Observe the basic interfacing procedures 6 3 Installation of Metal Embedded Pipe Work Order Metal Embedding Installation of Metal Diagram Embedded Parts Plot the line on ground if possible and use laser to project it onto the roof This 15 quick and correct Advance Installation of Metal Embedded Parts Please select according to local codes
170. f refrigerant piping L is shorter than or 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 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 Vy 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 VR m HHA Connector on liquid side Refrigerant cylinder Spring balance b Open pressure gauge valve Vp 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 let 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
171. frigerant system Fitting pipe value Total length actual length of fitting pipe 500 1640 L L L3 L4 L5 Letatb 1 Actual length 500 1640 f Length of the furthest fitting pipe Li Ls L4 Ls Ls J Equivalent length 175 574 Equivalent length of fitting pipe 40 131 L3 Lyt Ls5 Let J from the 1 branch joint to farthest indoor unit Height differences between Outdoor unit at upper 50 164 Height differences between indoor units 15 49 Outdoor unit ci E i 5 dw The 18 di 57 branch Indoor unite section X 2o Equivalent length of farthest pipe L 125m F m oS The equivalent length of the farthest T pipe fram the 12 branch L dom 4 PN G qu 7 LH ae 5 8 dL m Indoor unit IT E The equivalent length is designed based on every 0am for each type branch pipe e Capacity lower than 20KW Allowable m ft MAN R410a refrigerant svstem Fitting pipe value 139 DIGITAL MULTI VRF INSTALLATION Total length actual length of fitting pipe 300 984 L L L3 a b c d l Actual length 100 328 Length of the furthest fitting pipe Equivalent length 125 410 Equivalent length of fitting pipe o f 25 82 L L3 d from the 1 branch joint to farthest indoor unit Height differences between Outdoor unit at upper 30 98 indoor unit and outdoor unit e Height differences between indoor units 10
172. ght 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 gt ensure correct drainage of water the drainage pipe shall be 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 105 DIGITAL MULTI VRF INSTALLATION 1 2 Key Points of Installation Installation Procedures Description and Acceptance Criteria 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 f f f f The materials not specified on the engineering drawing shall be Material Selection and Equipment Inspection f f 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 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 Connection strong force EE 3 For multiple units please mark them properly Communication f f f l Switch on ind
173. gneic value 17 Condenser Condenser intet ppe 19 Condenser middle pipe tnermisior 30 Condenser ouer pipe 21 2 m Exvsaws _ EXV One way vane os EXV expansion au 26 Tania by pass value f La by pass value eta value 26 Liquid accom _______________ m Digital compressor Compressor discharge pipe thermistor Compressor oil thermistor PWM value Oil separator Oil separator sub assy Capillary Liquid valve sub assy Drier Liquid valve Gas valve sub assy Filter 10 11 Gas valve Gas liquid separator N Low pressure sensor 13 14 15 High pressure sensor High pressure swich Gas by pass value sub assy Capillary PRODUCT 39 DIGITAL MULTI VRF GMV R260W2 Na M GMV R300W2 Na M i f 5 _ _ is 17 Low pressure sensor sub assy Filter sub assy One way valve 3 EN 10 15 16 PRODUCT 40 DIGITAL MULTI GMVL R260W2 Na GMVL R300W2 Na M i amp Gas by pass value subs Eleciromagnetie value 5 Gas bypass value
174. he 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 requirements in these instructions The outdoor unit must be fixed at the installing position The installation shall be done by specialist technicians 2 Selection of Installation Site 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 Notes Do not use guardrail on four sides Leave Im 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
175. he R 1 Use welding gun to cut the pipes pipes connected to electronic J connected to electronic expansion expansion valve Cut the two welds valve here by welding 3 Replace the electronic DPut the new electronic expansion expansion valve valve to correct position I X 216 DIGITAL MULTI VRF 4 Reinstall the pipes connected to electronic expansion valve 5 Install the coil of electronic expansion valve MAINTENANCE 1 Reweld the pipes connected to electronic expansion valve D Mount the coil of electronic expansion valve onto valve body and align the clamp 217 DIGITAL MULTI VRF MAINTENANCE Removal and Assembly of Fan Use screwdriver to remove the 1 Remove the front panel x screws 2 Remove the front panel DUse screwdriver to re
176. he diameter of coarse pipe may be reduced to an appropriate value to according to applicable specifications 3 Installation of branch pipe The branch pipe plays the function to divert the refrigerant flow 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 Site pipe Site pipe OL Y type Manifold Pipe 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 w 5 5 Schematics Schematics 149 DIGITAL MULTI INSTALLATION NN TT 2810 L omo 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 si
177. he 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 5 00mmx500mm 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 Unit 124 DIGITAL MULTI VRF INSTALLATION 4 2 1 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 2 Make sure that the installation had accord with the requirement of the schematic diagram of installation spaces 3 Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating noise and oscillate 4 The horizontally of the installation place should be guaranteed Select the place where easy drain condensated coagulated water and easy connect with outdoor unit 6 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 7 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 reinforced There will be lots of lampblack and dust stick on the acentric heat exchanger and water
178. he product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 34 DIGITAL MULTI PRODUCT 4 2 4Floor Ceiling Type GMV L R28Zd Na K GMV L R36Zd Na K GMV L R50Zd Na K Cooling Capacity Heating Capacity Air Flow Rate Sound Pressure Level H L dB m Power Supply Fan Motor Connecting Pipes Liquid Pipe Connection Method Flare Connection Flare Connection Flare Connection Drain Pipes Q17x1 75 Q17x1 75 Q17x1 75 External Dia x Thickness Unit Dimensions 840x238x695 840x238x695 840x238x695 WxDxH Package Dimensions 1035x295x805 1035x295x805 1035x295x805 WxDxH Weight Net Gross Notes Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 8 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 35 DIGITAL MULTI PRODUCT ooling Capacity Btu 24226 30709 241297 34121 Air F
179. ich size should match the size of air supply duct of the unit After connecting the transitionary pipe install the circle air outlet vent connection pipe whose longest length to every individual air 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 15 200 and circle air outlet connection pipe whose diameter 15 200 produced by our company can be ordered separately as standard fittings Model 50 and the model below it do not share circle air duct The following is the diagram for install circle air duct Note 1 The longest length of air duct means the general length of the wing supply pipe to the farthest air supply vent plus the general length of return air duct to the relative farthest return air vent 2 To the unit with auxiliary heater if the circle air duct is need to connected the straight length of transitional air duct should not shorter than 200mm 7 m NO PU 3 3 s e 7 Return air Ducted type Return air Transitional air Name Screw Supply air duct Air outlet duct indoor unit inlet duct Setting hole for maintenance After installation of hidden duct type unit manhole must be provided in ceiling on t
180. inch 22 28 Type 35 36 45 50 06 35 56 63 71 80 90 10 112 09 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 Sub assembly corresponding to MLO1 Liquid pipe outdoor module MLOl Gas pipe 141 DIGITAL MULTI INSTALLATION 2 Selection of pipe diameter between module and module MEN Pipe between outdoor unit and kl connection sub assembly EN UEM NM M Pipe between outdoor unit and connection sub assembly Pipe between module connection Pipe between outdoors sib assembliesu unit and indoor unite 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 C lt 280 22 2 9 52 280 lt C lt 400 028 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 C lt 280 022 2 9 52 Piping used for balancing lubricant The oil balance pipe 15 connected by using 9 52 copper pipe For three outdoor units arranged in parallel one 3 way joint having an inner diameter o
181. indoor unit U 5 48 49 y TA 2 DIGITAL MULTI MAINTENANCE Parts List of GMV Rh28T Na K GMV Rh36T Na K GMV Rh45T Na K GMV Rh50T Na K L Description GMV Rh28TINaK Rh28T Na K Z O e O O s masana o omw _ s saa mm _ 9 m 0 o m ow wam mem m few o omm mesmeseme cm _ m f m _ m o m _ mem _ san Ca m 1 mm _ x mew mun 9mm _ DIGITAL MULTI VRF MAINTENANCE a sem 1 ieaie toasa vaesa 1 a o 256 DIGITAL MULTI VRF MAINTENANCE gt Exploded View of GMV Rh56T Na K GMV Rh63T Na K GMV Rh71T Na K GMV Rh80T Na K EE i z 38 37 56 4 DIGITAL MULTI VRF MAINTENANCE Parts List of GMV Rh56T Na K GMV Rh63T Na K GMV Rh71T Na K GMV Rh80T Na K No Description Qty 7 masana a o o m
182. ing mode The defrosting process chart of the unit group is shown as follows 57 DIGITAL MULTI VRF PWM En ON XACQGuto OFF OFF ON ON CM OFF OFF OUT FAN ON high auto OFF 600 spare neating auto avoid cold wind N FAN SVP bvpass _ FF N b ME Fr FF N N 15 OUTROOM EXV 3008 auto 100B 300 B B X V 480B auto CN e 4808 2008 2008 auto NR M XV sop 1628 1748 186p SE 120 4 way valve FF 15 N load 7007 EVI volve prepore flor ger ros leave defrost stage longest defrost defrost start quit heating prepare point point CONTROL 58 DIGITAL MULTI CONTROL 2 2 Control Function of Indoor Unit 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 expansion valve The electronic expansion valve is
183. ing onto the copper pipe 96 35mm 22 2mm Machining with hand operated pipe bender Use the pipe bender of suitable dimension 96 35mm 22 2mm d Machining with electric pipe bender hydraulic Suitable for mass machining of fine and coarse fitting pipes 96 35mm Q69 9mm Advantages 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 For example X No joint is required which will save the material costs Reduced waste of fitting pipe materials X Reduced resistance in the fitting pipe The bending radius higher than the pipe joint CAUTIONS X During bending there shall be no wrinkling or deformation on the inner side of the copper pipe X Spring pipe bend X The bender inserted into the copper pipe must be cleaned X 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 147 DIGITAL MULTI VRF INSTALLATION 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 p
184. ipe In this way it is only needed to weld on one position where the pipe is expanded Welding aS ka cg 6 6 Installation of Refrigerant Piping 1 Precautions on piping works At the site of transport storage and construction the two ends of copper pipes shall be sealed with plastic sealing caps Before welding copper pipes must be cleaned washing the inner 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 05 0 3MPa Nitrogen flow can 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 Outer diameter of pipe D Clearance Min insert depth B mm A A D 148 DIGITAL MULTI INSTALLATION 9 52 12 7 7 3 0 05 0 27 Bn If the mounting clearance 15 too large t
185. it As built Drawing Delivery of the Operating Instructions 108 DIGITAL MULTI VRF INSTALLATION 3 INSTALLATION OF OUTDOOR UNIT 3 1 Hoisting of Unit Transport the unit to a place as close as possible to the installing site before taking it out of the packaging box AN 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 Hoisting Method The machine must be balanced when it is lifted Check and ensure that the machine can be lifted up safely and stably A 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 rame and plastic straps and machine shall higher than 60 Tie the ropes the batten and corrugated paper with a thickness not over 15mm both sides Insert the ropes through square hole 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
186. k Ex 6 SPEED Set fan speeds of High Medium Low or Auto 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 this UP DOWN button when adjusting time press LEFT RIGHT to shift Y M D etc and press UP DOWN to adjust value o como Under control mode press this button after setting state of indoor unit control to indoor unit would be conducted by corresponding control mode Press button under checking state to begin information check and set of grouped indoor unit grouped information 15 for select control 2 3 Shift display domain and indoor wired air condition control DOMAIN corresponding to INDOOR DOMAIN 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 4 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 1 1 1 1 1 1 Single Control Control present indoor unit by present set state Select Control Control selected indoor unit by present set
187. late sub assembly and back cover board 211 DIGITAL MULTI 8 Assemble the unit in reverse procedures MAINTENANCE eAssemble the unit in reverse to the disassembly procedures and energize it for testing 212 DIGITAL MULTI VRF MAINTENANCE Removal and Installation of Compressor Remark Before removing the compressor make sure that there is no refrigerant inside the pipe system and that the power has been cut off DUse screwdriver to loosen the Mark the power screws fixing the power cable 2 Pull out the power cable Aerminal codes Note When removing the power during removal cable please mark the power cable Bi color and corresponding terminal thus to avoid error during reinstallation Remove the power cord DDisconnect the pipeline from the compressor and oil separator 2Use screwdriver to remove the screws fixing the oil separator support 3 Remove the oil separator oil separator support and related pipes A 2 Remove the oil separator oil separator support and pipe in front of the compressor SSS m D Use tool to remove the bolts fixi
188. let 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 Air outlet protective cover gt to be provided on installation Monsoon Monsoon site Air outlet T di cover to be provided gt i on installation site te a The base height consider the snow 119 DIGITAL MULTI VRF INSTALLATION 4 INSTALLATION OF INDOOR UNIT 4 1 Duct Type 4 1 1 Selection of installation site 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 conditioner 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 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
189. llation of Gas Liquid Separator 1 Disconnect the pipes connected to the gas liquid separator D Use tool to remove the bolts fixing the gas liquid separator 2 Remove the gas liquid separator from the chassis D Install the gas liquid separator correctly to chassis sub assembly 2 Tighten the bolts with tool DIGITAL MULTI MAINTENANCE 4 2 Indoor Unit 1 Common Duct type Unit Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly 1 Unplug the eCut off the power supply cables of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box 2 Remove the air inlet T eUse screwdriver to cover board P N remove the lower air inlet cover board 3 Remove the back Loosen the clamp propeller housing between back propeller housing and front propeller housing Remove the back propeller housing e r Se 4 Remove the front eUse screwdriver to propeller housing loosen the screws fixing the front propeller housing Remove the front propeller housing 5 Loosen the fan and eUse inner hexagonal motor spanner to loosen the screws fan and remove the clamp fixing the motor 6 Remove the motor eFirstly disengage the motor from motor support and then disengage the fan from the motor Then remove the motor from the lower air inlet frame In whi
190. llx1 Constant Speed Scrollx3 IP24 T 28 6 1 1 8 15 9 5 8 Brazing Connection t gt xa 20000 11771 N 600 640 16 0x5 140042 460 2 x 880 2 2152 980 1950 N N PRODUCT GMV L R860W6 Na M 203440 307090 gt 380 415V 3N 50Hz 28 8 26 4 50 6 46 6 2580 88 1772 Digital Scrollx1 Constant Speed Scrollx5 IP24 4 034 9 1 3 8 19 05 4 Go Brazing Connection Go N 20000 11771 N 800 850 35 0x5 20002 8602 844 2 2660 0 1950 Me 4 DIGITAL MULTI VRF PRODUCT Model GMV L R900W6 Na M W Btu h 327570 1 341210 Capacity Heating 2 B Btu h dB A k V Ph Hz W Noise R410A Filling Amount 380 415V 3N 50Hz 30 1 215 52 9 48 5 2580 Power Supply Cooling Power input Heating Cooling Rated current Heating Width Depth Height gt Dimensions 1772 E Compressor Digital Scrollx1 Constant Speed Scrollx5 Moisture protection IP24 Climate Tvpe 034 9 1 3 8 519 05 Inch 3 4 Gas Pipe Inch Connection Pipes Liquid Pipe Connection Method Max NO of Indoor Unit kW m3 h Brazing Connection 99 Power input 24000 11771 Fan Air Flow Rate Step 800 850 35 0x5 2000 2 860 2 x 844 2 2660 Weight
191. low Rate masana m fe Heating Capacity Fan Motor Gas Pipe inch Connecting Pipes Liquid Pipe 17 1 75 17 1 75 Unit Dimensions WxDxH 1300x188x600 1590x238x695 Drain Pipes External Dia x Thickness 1514x248x724 1714x330x830 Package Dimensions WxDxH 34 38 44 53 Weight Net Gross Notes 1 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 36 DIGITAL MULTI VRF PRODUCT ooling Capacity Btu 38216 42652 HEIL 42652 46064 2200 2300 Air Flow Rate 1295 1354 Power Supply 220 240V 50Hz 220 240V 50Hz Fan Motor 15 9 Gas Pipe inch 5 8 Connecting Pipes 9 52 Liquid Pipe inch 3 8 Connection Method Flare Connection Drain Pipes CExternal Dia x Thickness Unit Dimensions mm 1590x238x695 WxDxH Heating Capacity ore Flare Connection 17 1 75 17 1 75 1590 238 695 Package Dimensions 1714x330x830 1714x330x830 WxDxH Weight Net Gross Notes 44 53 44 53 D Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only uni
192. meters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 19 DIGITAL MULTI VRF PRODUCT hom ma _ es um m maramma a Fan Motor Connecting Pipes Connection Method Method Flare Connection Flare Connection Flare Connection Drain Pipes 930x1 5 930x1 5 930x1 5 CExternal Dia x Thickness Unit Dimensions WxDxH 1385x736x300 1385x736x300 1385x736x300 Package Dimensions 1514 795 360 1514 795 360 1514 795 360 WxDxH Weight Net Gross Notes 75 79 75 19 75 19 Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 20 DIGITAL MULTI PRODUCT ooling Capacity Btu 42652 47770 K vu w 46060 51180 m3 h 2000 2000 Air Flow Rate Ea 1177 1177 mar amar Heating Capacity 15 9 15 9 mm m 959 _ inch 95 8 05 8 Connecting Ta m 09 m inc Fan Motor Drain E 030 1 5 030 1 5 External Dia x Thickness Unit Dimensions WxDxH 1385x736x300 1385x7
193. move the screws 2 Remove the electric box cover 2 Remove the electric box cover DUnplug the power cord of fan 3 Remove the power cord of from mainboard fan 2 Remove the power cord from the strap and cable hook DUse screwdriver to remove the screws 2 Remove the flow guide cover 4 Remove the flow guide cover DIGITAL MULTI VRF MAINTENANCE Remove the lower nuts 2 Remove the axial flow fan 5 Remove the axial flow fan DUse screwdriver and spanner to 6 Remove the motor BN remove the lower bolts 51 2 Remove the motor Assemble the unit in reverse to the disassembly procedures and energize it for testing 7 Replace the motor reassemble the unit 219 DIGITAL MULTI VRF MAINTE
194. n 22 DIGITAL MULTI PRODUCT GMV L R28P NaB K GMV L R32P NaB K GMV L R36P NaB K Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz 09 52 012 7 012 7 Gas Pipe f Inch 03 8 ol 2 91 2 onnectin 06 35 06 35 06 35 g Pipes Liquid Pipe lt 1 4 lt 1 4 lt 1 4 Fan Motor Drain E 201 5 201 5 201 5 External Dia x Thickness Unit Dimensions WxDxH 875x680x220 875x680x220 875x680x220 Package Dimensions 1012x708x275 1012x708x275 1012x708x275 WxDxH Weight Net Gross 27 31 27 31 21 94 Notes Refer to the product nameplate for parameters and specification of the unit 2 The model with GMVL code is cooling only unit while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 3 The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation 23 DIGITAL MULTI VRF PRODUCT GMV L RASPINB K GMV L RSGPINAB K GMV L RTIPINAB K Cooling Capacity 15355 19108 24226 wl s Heating Capacity 17060 21496 27296 Air Flow Rate External Static Pressure 50 20 Power Supply 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz Fan Motor mm 012 7 015 9 015 9 Gas Pipe Connecting mm 06 35 9 52 9 52 Pipes Liquid Pipe Drain Pipes mm 30 1 5 30 1 5 30 1 5 External Dia x Thickness Unit Dimensions mm 980x736x266 111
195. n of Drainage Pipe for Different Types of Indoor Unit 1 Duct type Indoor Unit Including General Static Pressure and Low Static Pressure 167 DIGITAL MULTI VRF INSTALLATION 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 Outer 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 To 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 Gradient over 1 100 3 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 15 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 Clamp accessory Sponge grey Drainage hose Below 4mm 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 P3 a a EL f d E lia
196. n 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 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 2 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 Drainage PVC pipe 4 Unit drainage Drainage The auxiliary drainage pipe must be thermally insulated 165 DIGITAL MULTI VRF INSTALLATION Thermal insulation of condensate pipe 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 15 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 gt 16 If the air flow of indoor unit is high this might cause negativ
197. nd 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 pipe of indoor 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 Thickness of thermal insulation layer The thickness of thermal insulation layer on condensate pipe shall be over 10mm gt The 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 Thermal insulation is not required for the outdoor section of condensate pipe 172 DIGITAL MULTI VRF IN
198. nection lines included in the 4 core twisted pair line to the controller from 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 N Note During following connection of wirings pav 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 78 DIGITAL MULTI CONTROL 6 CENTRALIZED CONTROLLER 6 1 Function Main characteristics of Centralized Controller ee A 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 Mode 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 b
199. ned 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 before project adjusting 6 4 Connection Between Controller and Unit 6 4 1 Communication network The following is a brief sketch of communication net of multi variable units p Communication Indoor control module 1 EJ Central control A ta E d Ea awe Communication c module H Indoor control Outdoor unit The max of H is 84 As shown in figure the at A are parting lines for communication net Left side of the is 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 Befo
200. ng table for the control Absolute pressure of lt 1 3 1 3 lt P lt 1 6 gt 1 6 exhaust Mpa Go to the lower grade Remain unchanged Go to the higher grade If the fan motor is at the low speed grade the grade cannot go lower if the fan motor is at the high speed grade the grade cannot go higher 2 Heating Mode When the unit is turned on the fan motor operates at high speed grade for 250 seconds The air suction pressure is detected 250 seconds after the unit is switched on The speed grade of the fan motor is adjusted once every three cycles according to the mean value of the air suction pressure Refer to the following table for the control Temperature corresponding to the air lt 1 1 lt P lt 6 gt 6 suction pressure Go to the higher grade Remain Unchanged Go to the lower grade If the fan motor is at the stop grade the grade cannot go lower if the fan motor is at the high speed grade the grade cannot go higher 4 Compressor Protection Function a High Pressure Control If any one of the two conditions is realized the high pressure protection function 15 activated Condition 1 The high pressure reaches 3 0Mpa which is the protection starting value then the high pressure switch disconnects Condition 2 The high pressure temperature of the high pressure sensor equals or is higher than 67 Time of Detection 3S Action after high pressure protection The outdoor unit controller stops the comp
201. ng the compressor 2 the compressor from chassis 3 Remove the compressor from chassis U I 1 Install the compressor correctly to 4 Fix the new compressor to IRS 5 ie the chassis sub assembly chassis HRH iC i v 2 Tighten the nuts with tool 213 DIGITAL MULTI VRF MAINTENANCE D Weld pipeline connected to the 5 Connect the suction and I ui compressor including the exhaust exhaust pipe of compressor to pipe suction pipe oil balance pipe system pipeline i M and gas balance pipe mpc D 4 RR of compressor correctly 7 Reinstall the electric heater and exhaust sensor of the compressor 8 Check if the compressor rotates in correct direction if the lubricating oil is leaked 214 DIGITAL MULTI VRF MAINTENANCE Disassembly and Assembly of 4 way valve 1 Remove the coil of 4 way valve 2 Use welding gun to cut the four pipes connected to 4 way valve 3 Remove the 4 way valve 5 Reinstall the pipes connected to 4 way valve 6 Install the coil of 4 way valve i V ji
202. nger brackets 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 Ceiling 2 Hanger bracket 40 or less 7 US Hanger bracket lt 9 setting bolt M8 Suspension bolt Hanger bracket Hanger bracket X Fig 4 CJ 8 fixing bolt M6 Ceiling slab 5 NOILISOd 1108 Fig 6 Hanger bracket 135 DIGITAL MULTI INSTALLATION 4 4 Wall mounted type 4 4 1 Dimensions Data A Remark The appearance will be different according to the models Model GMV L R22G NaA K GMV L R28G NaA K GMXV L R36G NaA K C mm 189 189 189 GMV L R22G NaC K GMV L R28G NaC K GMXV L R36G NaC K GMV L RA5G NaC K 770 770 830 830 250 250 285 190 190 189 GM V L R50G Na K GM V L R56G Na K GMV L R71G Na K GMV L R80G Na K x x um um B mm 290 290 326 326 C mm 195 195 227 227 136 DIGITAL MULTI VRF INSTALLATION 4 4 2 Installation space requirements Schematic diagram of installation spaces A AW l la 242 PA gt 150 GS NUMMUS she Sk 2150 2150 gt 3000 22000 unit mm
203. ngle central control FUNC B In central control status give the central order by successively pressing FUNC FUNCTION button A Inquiry status cycle increase or decrease No of indoor units to easily inquire the a status of each indoor unit B Single Central control status set running temp of indoor unit maximum is 30 C and minimum is 16 C Timer setting status increase or decrease the timer on off time maximum is 24hr and minimum is 0 Set the indoor fan speed of hi mid low anto B Successively press FAN button to set on off swing A Under single central control mode set on off timer of selected indoor unit TIMER B Under inquiry status inquire the timer setting of the indoor unit with current address Under single central control press MODE and ON OFF buttons simultaneously to 2MODE start stop the lock of operation to buttons of wired controller for selected indoor 7 ON OFF units 2MODE and 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 Under single central control press W and TIMER simultaneously to start stop the 6 TIMER Temp 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 oper
204. nit shall be set from lower to higher according to priority level Dial up switch 4 Setting of ambient temperature acquisition point This setting is mainly used when the temperature of air conditioner area differs largely from the air inlet temperature of the unit Meanwhile this setting is only valid when the receiver is connected including the setting of temperature acquisition point at air inlet and setting of the temperature acquisition point at receiver head The factory default setting 15 acquisition of air inlet temperature dial up switch pulled to ON position Dial up switch 5 L H Setting of high low static pressure fan This setting includes the setting of high static pressure fan and low static pressure fan adjusted as needed for the project The factory default setting is low static pressure fan dial up switch pulled to ON position Cautions 1 The above settings must be done under power shutdown state 2 The dial up switch of function code 15 classified into 3 bit code 4 bit code and 5 bit code The 4 bit code or 5 bit code is used for duct type unit only including multi duct type unit and l to 1 duct type unit 3 When the setting of control mode is L the function dial up for of memory mode and setting of master slave indoor unit will be disabled When the setting of control mode is this function dial up setting is enabled 4 The dial up switch shall be put t
205. nsformer AC N AC L H H RD CN12 XIS TUE FUSE BOT 3 15 250V 15WH 2 D 16BK communication WI a kal TIVE 16BK wire CN15 S 2 communication a 18BU wire BK CN3 RD CN4 YECN5 BU CN6 2 3 4 1 TH4 2 Out Mid In Environment temp temp temp temp 65624604 2 GMV R90P Na K GMV R112P Na K GMV R140P Na K GMVL R90P Na K GMVL R112P Na K GMVL R140P Na K Notice 2 Please connect with in the high static pressure Transformer 4 CN2 AC L IHH le 12 10 FUSE SOT 3 154 250V icm Ta U NO communication wire API 1168K E UNS b YE 16BK communication wire v 18BU RA kKKICN16 an BK CN3 RD CN4 YE CN5 BU CN6 BU CN14 C1 UF AW 2 3 4 1 4 TH2 TH4 WI
206. nt Out Temp Sensor q 143 145 147 wiag 151 153 155 Wi64 66 ES i 7 rag 5 21 19 27 21 XS 3 5 7 9 1 E 5 Discharge Gas Temp Sensor Fleme nt e 9 457 58 59 460 462 W63 lwes Mss A 161 CN2 ERS ps CN9 CN37 CN30 CN5 CN18 CN16 OVCI 1 x62 20 1 2 Phase Reverse Protector u CN3 AC CN32 L Press CN31 H Press W162 9 2 li API 821 43 12 EH1 6 COMP Electrical Heater 5 APS me hig 8 HP High Pressure Switch ras QU Qu quu 05 gpl 7 053 COMP Liquid Valve EKV2 Valve DS4 COMP ap W54 W55 W56 6 1 0 Liquid ae m Fei M M M 5 YV7 YVB SM COMP DS5 COMP KMS 2 e Liquid Valve AP Im I Of 9 eri 20 20 27 2 5 5 1 2 XTI XI2 W51 W52 W53 4 EKVI EKV2 Expansion Valve Ind Unit 2 G 051 Comp Liquid Valve UNI RT RTI2 RTI3 RITA 5 6 RT17 RT1B RTI9 RD 5 YV5 YV6 n m Wigs 042 SM COMP Reload Valve A2 A2 A2 EKV1 Valve Gas Valve E a AP2 GNA3 262 Comp T Ta vale QF2 1120 AlW121 A1W122 W130 1 WS WI 4 WAY Vale 4117 W118 C 14 Wi26 134 _ 135 PM2 R L1 W119 L oN XIS 9 9 FU1 6 Electrical Heater Fuse1 6 E CN17 W131 Breaker1 2 W116 XTA N 127 15 5 8 QF1 2 TC1 TC2 1 2 XIS 11 W132 7 X
207. nt Temperature MA Temperature At Air Intake ndoor Set Temperature Temperature Adjustment Under Standard Conditions Expansion Valve ON Expansion Valve 1 1 1 42 3 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 re 15 lt T Frosting Temperature OT Anti frosting minutes after the compressor operates for T Compressor minutes under the modes of cooling or dehumidifying the anti frosting 62 6 7 DIGITAL MULTI VRF CONTROL operation will be carried out and now the indoor fan motor and the swing motor remain the original status When the T Inlet 18 gt Recovery Temperatures the indicating light is off and the controller will operate under set mode The par ameters T Compressor gt T Anti frosting T Frosting Temperature 4 different for different unit models Refer to the following table Unit Model T Compressor Anti frosting Frosting Temperature C T Recovery Temperature
208. ntroller after making communication of outdoor and indoor units smooth to simplify the problems A Connection of communication lines 1 If 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 2 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 It 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 j Ta Other Module 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 DIP switch should be dialed to OFF completely Refer to step 3 for details digrteul Address mapping setting of centralized controller The centralized controller only can normally operate after specifying address of communication module needed to control If not the operation status of communication and indoor units can not be displayed by it Refer to Step 4 for details 95 DIGITAL MULTI VRF CONTROL 7 MONITORING SOFTWAR
209. o position correctly and shall not be put to middle position Dialing of the switch to ON position indicates 0 and the dialing to opposite direction indicates 1 5 After dialing up please mark the address code of the unit N 179 GREE COMMERCIAL AIR CONDITION DIGITAL MULTI MAINTENANCE 180 DIGITAL MULTI MAINTENANCE 1 TROUBLE TABLES 1 1 Trouble Display of Indoor Unit 1 1 1 Trouble display of wire remote controller Marking of conflict against the effective master hand controller No master indoor unit code MAINTENANCE Error Code 181 DIGITAL MULTI VRF MAINTENANCE 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 AME Tube exit sensor error Room sensor error 200002002 0 0 Water full protection se Communication error Outdoor unit failure Legend bright dark e blink 1 1 4 Trouble display of mainboard LED of wall mounted type gt GMV Rh22G Na K GMV Rh28G Na K GMV Rh36G Na K GMV Rh45G Na K GMV Rh50G Na K GMV Rh56G Na K Outdoor Indoor ambient Antifreeze ambient Outdoor tube inlet Outdoor tube exit tube inlet temperature protection temperature sensor error sensor error sensor error sensor error sensor error Exhaust temperature Exhaust Low pressure Overcurrent High pressure sensor overtemper
210. ol Go To The Previous Page CONTROL 50 DIGITAL MULTI VRF 1 2 Heating Operation Heating Operation There Is Not There Is Guide Louvers Swing A n The Operation Yes CONTROL Of Defrosting In The Process O Preventing Cold Air Yes Preventing Restart gt Operation 3 Minute Temperature NO E Adjustment In The Process Of Yes Y Y Fan Motor Stop Fan Motor Stop Electronic Electronic Expansion Valve ba Fan Motor Fan Motor Stop Close 9 As Per Set Air Supply Speed Electronic Expansion Valve Capacity Control v y 51 DIGITAL MULTI CONTROL 2 MAIN LOGIC 2 1 Control Function of Outdoor Unit 1 Compressor Capacity Output It is defined that the full load capacity output of the compressor is 100 The compressor capacity output is calculated according to the required indoor load which is related to the following factors whether the indoor unit is started the set temperature the indoor ambient temperature the outdoor ambient temperature etc Capacity output calculation of compressor during cooling J Q x 100 J gt di i 1 Capacitv output calculation of compressor during heating J
211. on Exhaust Temperature Protection Measure if the exhaust No temperature of compressor reaches 130 C Yes When the exhaust temperature of compressor is higher than 115 C check if the corresponding liquid bypass plug is connected through Check if the corresponding liquid bypass sub assembly is in good condition e g if the solenoid valve is in good condition and if the capillary pipe is blocked Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units 12 Yes Repair the leakage of system pipe and add refrigerant according to the required olume Measure if the resistance No of temperature sensor is MAINTENANCE correct Yes Replace the mainboard of outdoor unit Replace the liquid bypass sub assembly Refer to the dial up of indoor and outdoor unit Replace the corresponding exhaust emperature sensor 193 DIGITAL MULTI VRF MAINTENANCE 4 Compressor overcurrent protection Abnormal overcurrent error If the compressor wiring is correct Adjust the compressor wiring Yes If the current value is higher than the preset value of protector Replace the overcurrent protector Yes If the high voltage of unit No is nl Refer to high voltage protection Yes If the voltage is normal Contact the power supply company Yes The communication resumes to normal 19
212. onitoring 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 01 Function mode Region monitoring controler 02 Function mode Region wired controller Fig 1 1 Before using the controller functions must be selected by the personnel who perform the installation according to 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 controller 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 controller region controllers can be used as region monitoring controller and matches one or more region wired controller which replace s one or more wired cont
213. onment d Job division shall be made Job content method and order shall be indicated Risk prediction activities shall be performed e Construction Schedule shall be worked out f Head of each group shall be assigned g 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 1 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 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 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 Combustible substances in the surrounding areas shall be moved away If movement 15 impossible fire p
214. ontrol function for region wired controller and SINGLE won t be displayed either 77 DIGITAL MULTI CONTROL 5 4 Connection Between Controller and Unit Insert the 4 core twisted pair line to wired controller If it is with the indoor unit insert it 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 15 no wired controller with indoor unit introduce 4 core twisted pair line to indoor unit main board and connect it with mini centralized controller region controller wiring terminal 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 RS 4 core communication line terminal 4 core twisted pair line Wired controller or B region controller 4 core communication line terminal Optional connection Fig2 1 Power 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 con
215. oor and outdoor unit and ensure there is no display of wire Communication Wire Error E6 Each indoor unit under the same system has a unique address Address dial dial code code The wired controller and its corresponding indoor unit have the same address dial code Select the remote control mode Remote Control The centralized controller and communication module shall be Installation l installed free from the source of interference of indoor The power cable must meet the specifications unit Power cord The indoor units under the same system must be arranged under unified power supply The PVC pipes must meet the specifications A specific gradient must be provided along the water flow direction Installation f f Carry out water detection after installation Drainage Pipe Carry out thermal insulation to the drainage pipe only after water detection is accepted Thermal 1 The thermal insulation tube must meet the specifications insulation 2 Seal between the thermal insulation pipes to avoid air entry Installation of Air Duct when f f 1 Design the length of air duct according to static pressure with high static pressure 2 air inlet shall be optimally designed to avoid too small size duct type unit 106 DIGITAL MULTI VRF Welding Installation of connection INSTALLATION The copper tube must meet the specifications Ensure it is dry and clean inside the tube
216. oor 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 15 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 outdoor figure is as follow p A L CULTU Pinboard 2 4 j core nelsbed connects with indoor unit or communication module and 4 core Pinboard 1 j core nelsbed connects with indoor mit or modules and 4 core neilshed with outdoor unta 85 DIGITAL MULTI CONTROL 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
217. p Number of indoor units LED6 LEDS5 LED4 EC m Legend bright o dark e blink 1 3 Trouble Display of Outdoor Unit Transition Board Definitions I LED2 is power indicator red bright when the power is connected and dark when the power is disconnected 2 LED3 is run indicator green bright when the indoor unit runs normally and blink when the indoor unit is stopped 3 n case of error LED2 and LED3 will blink alternatively Error with evaporator 24 coil inlet sensor Note Error with evaporator 24 coil middle sensor Note pH Error with evaporator 2 coil exit sensor Note Error with fixed frequency compressor 2 exhaust sensor error Note 187 DIGITAL MULTI VRF MAINTENANCE Error with fixed frequency compressor 3 exhaust sensor error Note Error with fixed frequency compressor 2 oil sensor error Note Error with fixed frequency compressor 3 oil sensor error Note temperature 80 C Oil solenoid valve protection Note The modular system of 3 or 4 compressors e g modular type 600 or the outdoor unit system of 3 or 4 compressors e g GMV R620W4 A GMV R420W3 A contains two evaporators In case that the second evaporator is failed the adaptor will display error code b5 bb 188 DIGITAL MULTI MAINTENANCE 1 4 Trouble Display of Driver Board LED LED1 LED2 LED3 Continuous quick Error Description blinking counts of LED1 Rema
218. peed Scrollx1 Constant Speed Scrollx1 022 2 022 2 Gas Pipe 09 52 09 52 Liquid Pipe Connection Method Flare Connection Max NO of Indoor Unit 10000 10000 Fan Air Flow Rate CFM 5886 5886 Weight Net Gross kg 280 310 300 330 Recommended Power mm2xNumber 6 0x5 6 0x5 Lines Dimensions of Installation 787 337 844 787 337 844 Dimensions of Package Loading Quantity 20 Container 3 Loading Quantity 40 Container 4 Loading Quantity 40 High Cube unit 22 22 Container gt m m 4 N m 2 DIGITAL MULTI VRF PRODUCT Model GMV L R450W3 Na M GMV L R560W4 Na M Cooling 153550 191080 Capacity Heating 163780 204730 Noise dB A R410A Filling Amount V Ph Hz 380 415V 3N 50Hz 14 5 13 7 214 27 5 1290 8 1772 380 415V 3N 50Hz 18 5 18 0 34 7 34 8 1980 Power Supply ae Eo l Cooling Power input Heating Cooling Rated current Heating Width Depth Height N N Dimensions 1760 E Digital Scrollx1 Digital Scrollx1 Compressor Constant Speed Scrollx2 P24 Constant Speed Scrollx3 Moisture protection P24 m Climate Type 028 6 1 1 8 12 7 2 28 6 Gas Pipe Inch 15 9 5 8 Connection Pipes Liquid Pipe Inch m Connection Method Flare Connection Max NO of Indoor Unit
219. ply specification 12 30VDC 800mA 1 2 Optoelectronic Isolated Repeater optional parts RS485 A FS465 H Connecting terminal 488 Working indicator Connecting Power supply terminal 485 RS455 85485 B 1 Function Introduction Optoelectronic Isolated repeater is mainly used for collecting 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 connecting 99 DIGITAL MULTI CONTROL 3 Installation Dimension 7 72mm 94 4 Installation Criteria Jt must be installed indoors to avoid knock insolation or rainwater and is better to be put in centralized control cabinet e 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 12 30VDC 800mA 1 3 Communication Module standard parts cc G Power indicator red will GREEP 0 light after electritying anh Communication indicator Wim greeny will light during ABE EE communication w f ON OFF button ineffective briefly 5 reserverd TE n 1 Function Introduction Communication module is used for conver
220. provided For site wiring please refer to the circuit diagram attached on the machine body 173 DIGITAL MULTI VRF INSTALLATION 9 2 Specifications of power cord amp circuit breaker Model Power supply bed Min sectional area Min sectional area of V Ph Hz of earth lead mm power cord mm GMV R120W Na K 220V 50Hz GMVL R120W Na K 220V 50Hz GMV R160W Na M 380V 50Hz GMVL R160W Na M 380V 50Hz GMV R260W2 Na M 380 50Hz GMVL R260W2 Na M 380V 50Hz GMV R300W2 Na M 380V 50Hz GMVL R300W2 Na M 380V 50Hz GMV R450W3 Na M 380V 50Hz GMVL R450W3 Na M 380V 50Hz GMV R560W4 Na M 380 50Hz GMVL R560W4 Na M 380 50Hz GMV R600W4 Na M 380 50Hz GMVL R600W4 Na M 380V 50Hz GMV R860W6 Na M 380V 50Hz GMVL R860W6 Na M 380V 50Hz GMV R900W6 Na M 380V 50Hz GMVL R900W6 Na M 9 3 Wiring Sketch Map 9 3 1 Connection of power cord Wiring Sketch Map for 3 Phase Outdoor Unit Wiring Sketch Map for Single Phase Outdoor Unit 380V 50Hz INDOOR POWER POWER 220 240V 380 415 50 2 Notes a For the pin silk print on mainboard for connection of communication line please refer to the lead diagram of the unit b The outdoor signal line leading out of the electric box must be separated from the power cord and shall not be tied together They must be kept at a distance of 10cm to the least If they cannot be routed separately in actual application make utmost to avoid routing in parallel C The o
221. r the unit turns to 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 Stans Stops Water Pump Stops 5 Minutes 5 Minutes gt Full Water Signal Full Water Is Not Valid IET TS pad Full Water Signal Is Removed Water Pump Starts Water Pump Stops 85 f 10 Minutes Water Pump Stops U Electronic Expansion Valve Control A Reset Control of Indoor Electronic Expansion Valve When the indoor unit is powered on the indoor unit will automaticallv carrv 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 dehumidifving 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
222. r 3 minutes If there are three times of low pressure protection within 1 hour the outdoor unit must be de energized and then be energized again to restart 55 DIGITAL MULTI CONTROL Target TAmbient gt TSetting 1 C 30 Seconds 30 Seconds Another Low ee Display E3 For Display Three Times ON OFF Another Indoor Unit Another Outdoor Fan 25 1 Seconds 1 Seconds Another Compressor 2 2 l l Stop Operation For 3 Minutes C Overcurrent Protection If it is detected that the current is over the protection starting value for 3 consecutive seconds when the compressor operates the compressor will be stopped as the stop condition the same as that when the indoor ambient temperature reaches the set temperature The compressor shall resume original operating status after stopping for 3 minutes but if the occurrence of protection is over 6 times if the operating time of the compressor exceeds 6 minutes the times of protection will be cleared to zero the timing indicating light will flicker and the compressor cannot resume to the original operating status D High Temperature Protection of Compressor Exhaust Pipe 120 C 130 C 110 C Discharge temp ON i liquit bvpass valve OFF Auto add 10B Indoor EXV Auto Auto Compressor drop 10 stop point Note This function of cooling is the same as that of heating Pa
223. r Unit DS2 Comp Liquid Valve RT10 RTII RH2 R3 RH4 RH5 RTIG RTI7 RH8 19 1 Y3 YV 4 WAY Valve 9 FUI 6 Electrical Heater Fuse1 6 Qr L 1 A2 AT A2 A1 A2 Breaker1 2 eee 18 pre KM5I n c ere E 8 lori 2 ter te2 BERUR i J Termina L W119 wi20 W121 W122 W123 W124 W125 ws HY w LX fo LX wr 7 KNIN NIA 6 1 6 Contactor 1 3 1 3 5 7 KE i F il k i 3 3 5 FA1 6 Over Current Protector CNI i CN57 CN56 GNI CN42 43 47 4 Motor Control system Element position 3 mm Notor 2 2 COMP2 6 05 1 5 5 KM4 1 COMP1 SM COMP Bi jS Ju QNS em CN34 MI CN35 OI Code 7 lu J FA T2 EM 2 Ima f oy oV loy o oy of o M2 Mi AP2 Indoor Unit SYSTEM2 SYSTEM 1 KE XT4 1 RI22 RDA RD5 RD6 RIZ RB RI29 COMP COMP COMP Note Cooling only unit without the RI11 RI12 R113 R121 R122 R1235 YV1 EKV1 EKV2 YV4 YV9 5 2 GMV R900W6 Na M 201 DIGITAL MULTI VRF MAINTENANCE
224. r and outdoor unit in a direction as marked If connected in reverse direction severe error will be caused to the unit 3 Pipe 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 EA E 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 To Indoor To Outdoor y Unit Unit Vertically gt o upward inp 5 Final treatment The section where the pipe is connected must be wrapped for thermal insulation 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 insula
225. ralized control state CENTER is displayed Each indoor unit running mode is displayed ERROR is displayed during any malfunction to indoor or outdoor unit in a 3 Error group is displayed when there is no malfunction to selected indoor unit and the 4 ambient temp is below zero Fan speed display Hi mid low or auto speed of indoor fan is displayed 6 ISwing Swing running of indoor unit is displayed TIMER is displayed when setting timer or inquiring timer state Under inquiry state No of online indoor units are displayed and No of selected No of indoor unit indoor unit will blink Under single control state only No of selected indoor unit is displayed 76 DIGITALMULIIVRF Under centralized state No of all online indoor units are displayed is displayed for no malfunction but isn t for malfunction Centralized controller A Under inquiry state SHIELD will be displayed when selected indoor unit 15 shielded Shield B Under control state SHIELD will be displayed during setting or giving the shield order Region wired controller SHIELD will be displayed when selected units are shielded during long distance monitoring FORCE is displayed when indoor unit is forced to run C room temp C is displayed when there is no malfunction Room temp value is displayed during no malfunction to sel
226. re 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 82 DIGITAL MULTI VRF CONTROL 6 5 Case Study 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 Ci L4 err uf ul as HAHN 7 v Y F MT M FM A AT ig j L 4 N 48 sqm VA E 25sqm H 4 a i N m C a a ua FINT Ed VA Y jil Pp Pe i m i 11 Fi Y j j t AME Assembly Room No 1 Assembly Room No 2 Office No 7 Office No 8 eo TN PAZZ Office No 1 Office No 2 Office No 3 Office No 4 Office No 5 Offic
227. ressor and send Fault signal to the indoor units to release all load Now the compressor high pressure protection code 1 is displayed and automatic recovery 15 not allowed again Even after the stop protection keeps on for 3 minutes the unit cannot be restart Now the user must call serviceman to inspect the air conditioner The only way to clear high pressure protection is to de energize the unit and then restart the unit During cooling 54 DIGITAL MULTI CONTROL Target T Ambient gt Tsetting 1 C 3 Display 1 Display ON OFF Indoor Unit Outdoor Fan 1 Seconds Compressor During heating TAmbient gt T Setting 1 C Target 2 Minutes 3 Seconds 4 Way High Display Display E1 ON OFF Indoor Unit Outdoor Fan 1 Seconds Compressor B System Low Pressure Protection The low pressure detection is not available within 4 minutes after the compressor starts and during the operation of system oil return and defrosting Under other circumstances Condition 1 When it is detected that the low pressure temperature is lower than 25 under any circumstance during cooling or when it is detected that the low pressure temperature is lower than 32 C under any circumstance during heating the protection will start at once and the low pressure protection will be displayed Detection Time 30S The low pressure recovery pressure is 0 C and the unit shall restart afte
228. ressure maintaining of refrigerant piping After refrigerant piping of a system 1s welded A refrigerant 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 Steps of pressure maintaining and leak hunting of refrigerant piping are as follows Complete the Pressurization Check Finish installation of ah pressure drop Operating Steps Locate and repair leakage Use nitrogen to add pressure from Freon nozzle of the gas and liquid pipe on outdoor unit side piping 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 1f 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 pressur
229. rks Module overcurrent Module protection Blink 2 times every 250ms undervoltage or in built overheating FO pin output High pressure Blink 4 times 250ms Supplv voltage too low or too protection high Error between working Frequency fluctuation frequency and target frequency too high Emergency braking subject to Emergency stop ak the command of upper unit cag Failed to communicate with Communication error Blink 5 times every 250ms upper unit Loss of synchronization The rotor positioning loses protection function and synchronization Over frequency Working frequency exceeding upper limit O deviation of sensor Semoremor error too Sensor connection The current sensor is connected protection to corresponding U or V phase Radiating fin temperature dee Blink 6 times every 25015 temperature of radiating fin is module overheat too high protection Prevent the outdoor ambient temperature from changing too Temperature drift high which might result in that p the temperature drift of sensor is too gr mem fin Not a or short temperature sensor circuited Motor overheat protection Legend bright dark e blink Remarks 1 The silk print is unified as LED1 Red LED2 Yellow and LED3 Green 2 The red LED 1 is the indicator showing that the variable frequency board works normally blink during normal operation 3 The indic
230. roller 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 initial state Initial state 2 Before using 01 or 02 function mode must be selected Project Features Debugging 1 Both single control and central control tol 16 indoor units in a region are Region Setting 01 Function mode available Region monitoring 2 The wired controller buttons of 16 indoor units in a region can be shielded controller of locked 3 I can time 18 indoor units in a region 4 It has the function of power off memory Note Wired controller must reserved with which indoor unit has matched Region wired 1 replace wired controller ta control selected indoor units in a region controller 2 Itcan uniformly time the selected indoor units 3 Ithas the function of power off memory Hote Wired controller matched with indoor unit must be removed and indoor unit must be re energized after debugging 73 DIGITAL MULTI CONTROL Fig 1 2 Sketch map to the relation among the mini centralized controller region controller region monitoring controller and region wired controller 74 DIGITAL MULTI VRF CONTROL 5 2 Operation View FUNC MODE A 4 TIMER 5 _ Instruction to functions of buttons Table 5 1 A Switch the control mode of inquiry si
231. roofing treatment shall be taken properly such 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 15 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 Approx 1m 151 DIGITAL MULTI VRF INSTALLATION 1 To avoid the position difficult to weld you may add a prefabricated assembly below Drainage pipe Difficult to weld at this position Assemble copper pipes s Check whether clearance Is proper Fill nitrogen N2 L Nitrogen pressure 0 05 0 3Mpa 0 5 0 1kgf cm Welding flux Welding heating Acknowledge L welding flux Add welding flux 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 4 Operation order Basic procedures for welding Polishing Removing metal materials at connection portion Removing oxidation film using non woven fabric abr
232. roperly Different indoor units of the same group must have different address Each group of indoor units has 16 different addresses at most The address of every indoor unit must be identical with the address of the corresponding wire controller Use the address DIP switches to set the addresses for the indoor units and the wire controller The DIP switches are located at the main boards of the indoor unit and the wire controller and have be marked with Address 65 DIGITAL MULTI VRF CONTROL Refer to the following table for the addresses designated by the DIP switch position status combinations DIP Switch Position Status Combinations 4 position DIP Switch 11 Function Code Setting Before power on of the main board 4 bit dial switch must be set to decide running status of indoor unit Function description 15 as below The DIP switch setting showed above illustration 15 the default setting after manufactured Dial switch Function description Dial ON Dial OFF Silk screen Selection of memory mode A Selection between recovery mode after power on and Standby after Recovery standby mode after power on power on after power on B This function is effective without wired controller Selection between receiver and manual controller A If manual controller is selected remote control function Select wired Select receiver to of receiver will be shielded controller to operate B receiver is
233. rror Mode conflict Indoor ambient temperature premere Indoor tube inlet sensor error tube inlet sensor error Indoor tube middle sensor error Auxiliary heating protection 1 2 Trouble and State Display of Mainboard LED of Outdoor Unit Error with oil temperature sensor 1 fixed frequency Error with oil temperature sensor 2 digital High pressure valve error Low valve error Error with exhaust temperature Mode conflict ne p sensor 2 digital Definition 183 DIGITAL MULTI MAINTENANCE LED4 LED3 LED2 LEDI Fault indicator yellow LEDS Run indicator green bright when the unit runs normally and dark when the unit is stopped LED6 Power indicator red bright when the power is connected and dark when the power is disconnected 184 DIGITAL MULTI VRF MAINTENANCE 1 2 1 Trouble of elements Display of Error Lamp LED6 LED4 LED3 LED2 LEDI Variable frequency top casing KE o o Driver board ambient m pe 9 perme fete abnormal 7 3 sensor gt e r temperature 3 sensor temperature sensor gt 9 9 middle temperature sensor error ej temperature sensor kur sensor error mom temperature sensor emm
234. rt 7 4 Crystal head port D L Crystal head port 1 Function Instruction Common 3 way phone connector is applied to connect 3 pieces of communication cable Dimension 2 Installation Criteria 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 After the connection of communication cables with 3 way connector it must be fixed by insulating tape to avoid loose and poor contact of crystal head 103 INSTALLATION DIGITAL MULTI VRF INSTALLATION INSTALLATION 1 PRECAUTIONS FOR INSTALLATION 1 1 Precautions for Installation 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 Espen and Those that might cause death or severe injury in case of wrong installation are identified in WARNING However those that are stated in ACAUTION may also cause severe accidents sometimes Therefore both of them relate to important saf
235. s Name Cod ode GMV RS6P Na K GMV R71P Na K GMV R 80P Na K Upper Upper Cover Plate Assy Plate Upper Cover Plate Assy 1258652 xu L5 eenaseme Cow fa 3 2 e aa r Te 3 A ma isse BA Cu sen 1 Lu sion uses Du waertayasy ames ZING O 21 2112446 Side Plate of Return Air Frame Plate of Side Plate of Return Air Frame Air Frame 1498612 T m m 250 MAINTENANCE DIGITAL MULTI VRF GMV L R90P Na K GMV L R112P Na K L R140P Na K 18 DIGITAL MULTI MAINTENANCE List of components ae code GMVL R90 GMVL R112 GMVL R140 P Na K P Na K P Na K Assy 3 FGRD101 04010002 peal or ECIUSIUO 1308673 Plate Electric Box Components FGRD101 04010000 Poe al 1308676 Sub assy FGRD101 09010005 ot 1078603 VE Evaporator I CNN 12 13 14 15 16 17 I8 19 20 21 22 23 1 1 1 1 1 1 1 1 KI cad id 1 1
236. s lt 16 all the indoor units may be connected to the same outdoor unit module while it is allowed to connect part of them to different outdoor unit module When the number of indoor units the system 15 gt 16 but x32 the indoor units may be connected to two or more outdoor unit modules when the number of indoor units in the system 15 32 but lt 48 the indoor units may be connected to three or more outdoor unit modules and so on Different outdoor unit modules shall be differentiated by using address dial up and diversion address For details please refer to the Description of Dial up Switch on Outdoor End During engineering installation the communication wire shall be connected in two steps 1 Connection between outdoor mainboard and indoor unit and 2 Connection between modules For details please refer to the Wiring Sketch Map between Outdoor Units A Connection between outdoor mainboard and indoor unit Insert the 2 cord 3 pin wire communication connected to indoor unit into the 3 pin holder on outdoor mainboard For outdoor units the communication wire 15 connected in series Then insert another end into the 3 pin socket on the mainboard of the first indoor unit For indoor unit the communication wire is connected in series 175 DIGITAL MULTI VRF INSTALLATION B Communication between modules For multi module combination insert one end of 2 cord 4 pin wire communication into the 4 pin holder on the outdoor mainboar
237. s on fan and remove the clamp fixing the motor DIGITAL MULTI 6 Replace the motor 7 Assemble the unit in reverse to the disassembly procedures MAINTENANCE eFirstly 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 In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit eAssemble the unit in reverse to the disassembly procedures and energize it for testing 224 DIGITAL MULTI VRF Duct Tvpe Unit 9 0 kW 14 kW MAINTENANCE Removal and Assembly of Fan Motor Remarks Before removing the fan make sure to cut off the power firstly Step 1 Unplug the motor cables 2 Remove the filter sub assembly and air inlet cover board 3 Remove the screws fan sub assembly 4 Overturn the propeller housing 5 Loosen the fan and motor 6 Replace motor Illustration Handling Instruction eCut off the power supply of indoor unit Use screwdriver to remove the electric box cover and unplug the motor cables in electric box eRemove the filter sub assembly from the air inlet fr
238. s with insulating tape and test conduction performance of the three communication lines as shown below 88 DIGITAL MULTI VRF CONTROL Method 2 Triple adapter Make crystal heads for the three lines The connection direction should be the same as 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 follows 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 89 DIGITAL MULTI VRF CONTROL Connection of COMI of communication module which has 3 COM in total has been introduced as the above COM2 can connect with another communication module or centralized controller as shown below d 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 e Step 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 Tur esr ees EE Label for address of communication module Method 2 Manual setting of a
239. selected manual controller will be operate ineffective 3 M S Setting of master unit and slave indoor unit 6 6 DIGITAL MULTI VRF A Used to solve modes conflict B This function is effective without wired controller Selection of ambient temp sensor A selection between ambient temp sensor T amb of main board and ambient temp sensor T amb 1 of receiver This function is effective without wired controller Select to choose high E S P or low E S P fan speed Select ambient temp sensor of main board Select low E S P fan speed CONTROL Select ambient temp sensor of receiver Select high E S P fan speed 67 DIGITAL MULTI VRF 3 WIRELESS REMOTE CONTROLLER NOTE CONTROL Make sure that there 15 no obstruction between the remote control and the signal receptor The remote control signal can be received at the distance of up to about 10m Don t drop or throw the remote control Don t let any liquid flow into the remote control Don t put the remote control directly under the sunlight or any place where 15 very hot TEMP button Set temp increases l c by pressing and decreases 1 c by pressing on LJ L SWING FAN AUTOFAN OPER AUTO Zik 4 AIR FAN button Press the button to change the speed of the fan according
240. shall not be less than 0 3 while there shall be no overhanging slope CLUM IMD Over 1 100 5 When connecting the 3 way section of condensate pipe the 2 way straight section 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 Wrong connection Correct connection 6 Confluence toward the horizontal pipe shall be best from the upper Back flow 15 easy to occur if from the lengthwise direction 164 DIGITAL MULTI VRF INSTALLATION Indoor Unit w Mounting of horizontal pipe Main pipe 7 Main F 4 A X 7 Do not tie the condensate pipe and refrigerant pipe together 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 10 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 betwee
241. side panel fixing screw and pull to the front direction arrow direction to remove Side panel fixing screw Refer to Fig 3 X x Loosen two hanger bracket bolts M8 on earth 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 INSTALLATION PAPER PLANK Fig 2 Fig 3 3 Set the suspension bolt Use W3 8 or M10 size suspension bolts 134 DIGITAL MULTI VRF INSTALLATION 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 1s outside the arrowed position Refer to Fig 6 yx Suspension bolt stays inside the cap of indoor unit Never remove the 5 Lift the unit and slide forward unit the dent Refer to Fig 7 6 Screw tightly both hanger bracket setting bolts 8 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 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 ha
242. sion 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 100 DIGITAL MULTI VRF CONTROL m e _ 104 38 3 Installation Dimension Distance to top side mm Diameter mm 4 Use Instruction to Communication Module The Sketch Map of COM as shown below With air With PC ar ather conditioner 1 communication modules COMI GOMZ COM e 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 AC200V 50HZ and output DCOV 800mA 101 DIGITAL MULTI VRF CONTROL 1 4 Centralized Control Cabinet user provided parts Communication Module Power Socket Repeater
243. sion 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 fitting 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 of pipe 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 145 DIGITAL MULTI VRF INSTALLATION 4 Cut Chamfer 9 Cut 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
244. t while the model with GMV code is heat pump unit the cooling only units does not have any parameters of performing heating 8 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 37 DIGITAL MULTI PRODUCT 5 PIPING DIAGRAM 22 6 2948 22 9 10X GMV R120W Na K GMV R160W Na M Compressor 17 Gas by pass Capa Compressor cil thermistor 18 Gas by pass value Eecromagneic value Op fo Condenser net pipe thermistor ___________ TOi separator sub assy Capiliary 21 Condenser middle pipe thermistor 7777 22 fwar valve mas 4 5 6 7 8 9 10 Liquid valve 2 sub assy Filter 11 Gas valve sub assy Filter 2 sub assy One way valve sub assy Electronic expansion value Liquid by pass value sub assy Capillary Liquid by pass value sub assy Electromagnetic value m 15 High pressure sensor BILI Ex 6 E EN 10 ES ES E 38 DIGITAL MULTI 15 14 O GMVL R120W Na K GMVL R160W Na M 16 Gas by pass value subs Elcroma
245. te 1s 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 pipe to appropriate depth The branch pipes from Gree are all provided with positioning mark Copper pipe Branch pipe t Cut from the middle of copper pipe as needed The connection method that copper pipe 15 couple with a smaller branch pipe shall not be used pp Copper pipe Branch pipe S l Correct connection kk Wrong connection 4 a Copper pipe shall not be inserted too much for connection with branch pipe Copper pipe Branch Correct connection A Wrong connection 150 DIGITAL MULTI INSTALLATION 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 copper pipe becomes light red 2 Safety acknowledgement before operation a Safety acknowledgement before operation b Acknowledgement on work suits helmets clothes safety bags and safety shoes c Description of work location and envir
246. tector 3154 3154 gt gt LI POWER ie FUL FUe 24 FUL FUE Fuse Box w41 51 23 Breoker 57 22 5 S Compressor liquid valve 2 21 5 1 KM2 S s 45 6 113 ES 21 FH2 SM Compressor heater LIL2L3N ioo 8 B 54 E E 20 DS Compressor heater w45 WSS APA KMA NAN KMIN AN 9 P Phase Reverse Protecto XTeM 79 gt 8 Terminal board 228 W46 W56 ISIS 9 89 90 55 waz 4 was 2 4Bit 11213 FAC FAL llo XEX3X4X8 8 xm oo 5 Relood Valve D P ep 1725 4 5 liquid valve 57 w58 ee X2 2 3 YV1 4 Way Valve X5 X6 X7 X4 x3 DID SEE we4 wea wee wel WOO 19 74 ETS U VW 212 2 10 5 2 Temp Sensor 2 5 Wes xi 11213 1121 11 13 15 17 19 21 1 High Pressure Suite c 4 4 A FHI 1g ee COMP O 6 7 05 Oil Temp Sensor W33 w75 w76 W77 w78 w79 w80 9 RTI RT8 DS SM Discharge Gas Temp Sensor W34 6 DE FAO 8 Environment Temp Sensor 5 7 u Sensor W73 6 RT3 Vlvva V4 5 FA1 2 OVER CURRENT PROTECTOR 4 1 2 AC Contactor w72 3 M MOTOR w62 65 2 COMP2 SM COMP W59 W60 714 1 gt 05 PM R L1 wana wel wse ws3 85 86 Ti m NIE MODEL BH W63 12 14 16 18 20 22 s W64 225 4 4 XTI N
247. ter test T joint collecting drainage pipe 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 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 170 DIGITAL MULTI INSTALLATION direction The cassette type indoor unit is provided with water pump and the maximum lift of its drainage 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
248. tion V The EKV should be installed by user 65624516 M E 207 DIGITAL MULTI MAINTENANCE GMV R22G NaC K GMV R28G NaC K GMV R36G NaC K GMV R45G NaC K GMVL R22G NaC K GMVL R28G NaC K GMVL R36G NaC K GMVL R45G NaC K
249. tion Space Dimension Electrical Box O gt 1000 ZTTITIX 21000 21200 114 DIGITAL MULTI VRF INSTALLATION GMV L R560W4 Na M GMV L R600W4 Na M Outdoor Unit Installation Space Dimension Z Z GMV L R900W6 Na M Outdoor Unit Installation Space Dimension Z Z Z Outdoor unit shall be installed on a concrete base 10cm high 2 Clearance data of multiple unit Arranged alongside on left and right Air outlet side open 300 150 or over 115 DIGITAL MULTI VRF Obstructions on air outlet side INSTALLATION 300 150 or over 00 di 2
250. tion 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 based on quantity of communication modules 86 DIGITAL MULTI VRF CONTROL C Connection of communication modules 1 of communication module can connect with indoor and outdoor unit The two can connect with other communication module or centralized controller As shown in the following figure 4 To Other Module D Connection between communication module and indoor 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 Pr m main broad of OUD Align the cutting terminals and terminals of communication line to COM1 as shown below 87 DIGITAL MULTI VRF CONTROL In this case there are two methods of connecting 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 with the welding spots in the above figure together by yellow wire to brown wire as shown below Yellow Timm m ied At last wrap the welding spot
251. tion sponge To Indoor To Outdoor Unit Unit Indoor unit 4 163 DIGITAL MULTI VRF INSTALLATION 8 INSTALLATION OF CONDENSATE PIPE 8 1 Material Qualitv 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 1s not allowed to use aluminum plastic composite pipe 8 2 Key Points for Condensate Pipe Installation 1 Work Order Sheathing of Installation of thermal insulation Connection of Water test Thermal insulation of indoor unit pipe on drainage pipe 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 gt 32 Spacing between horizontal pipes mm 800 1000 1500 Spacing between standpipes mm 2000 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
252. to the f installation situation the lower mu alr return or rear air return could be selected 4 4 D 121 DIGITAL MULTI INSTALLATION Drainage pipe L R45P Na K 125 207 266 91 4 91 2 93027 L R50P Na K 125 207 266 91 4 91 2 930x927 Air Outlet PEM 4 5 1 O 1 Air Return f d L 8 qns pem od 1560 90 1194 1194 292 342 280 Na M 122 DIGITAL MULTI VRF INSTALLATION 4 1 3 Installation space requirements Z Nut with washer or Nut spring pad 77 2300 21950 4 1 4 Installation demonstration 1 Selection of style of return air 5 4 APA i f Supply air 2 Supply air
253. unit as shown is single phase only For the indoor unit using 3 phase electric heater the power cable specifications and power connection shall be based on the circuit diagram attached the unit 2 Connection of communication line of single outdoor unit with transition board 18 528 ANG outdoor unit outdoor unit outdoor unit Mainboard NES l a Z Power Communic Mainboard Communication 380 415V erminal board ation wire Terminal board 690 wire erminal board 3N 50Hz BI I EN ego l Icommunication wire BI LI L213 Communication wire Communication wire 1 indoor unit of Group 17 2 indoor unit of Group 1 NI DI fii 12 13 N li cub Mo indoor unit of Group 1 The dotted section is the wire to be connected on user site For the diameter and other parameters of power cable please refer to the Installation and Operating Manual The mainboard of outdoor unit contains module address and diversion address to be determined and dialed on site One outdoor unit module can connect to Max 16 indoor units to be determined on site One group comprises the indoor units Max 16 sets driven by one outdoor unit module Figure Wiring Sketch Map between Outdoor Units One outdoor unit module can connect to Max 16 indoor units When the number of indoor units to be connected i
254. using rubber damping pad or spring damper The installing dimension shall comply with the installation requirements in these instructions The outdoor unit must be fixed at the installing position The installation shall be done by specialist technicians 3 1 2 Cautions for installation of up outdoor unit To ensure good operation of the air conditioner the selection of installing position must be in accordance with the following principles 9 UJ 99999 The outdoor unit shall be so installed that the air discharged out of the outdoor unit will not flow back and that enough space shall be maintained around the machine for repair The installing position shall be in good ventilation so that the machine can breathe and exhaust enough air Ensure that there 1s no obstruction at the inlet and outlet of the machine If any please remove the obstructions blocking the air inlet and outlet Also ensure that the outlet air and noise from the air 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 t
255. utdoor signal line must be fixed by using the cable clamp A or lock connector B in the electric box As shown A B 174 DIGITAL MULTI VRF Loosen the two screws fixing the cable clamp A and insert the signal line through the cable clamp Then tighten the signal line with screws If still loose use a Strap to tie at the position where the Signal line passes through the cable clamp INSTALLATION Open the bottom of lock connector and insert the signal line and other light current line temperature sensor pressure Sensor together through the hole of lock connector Then rotate in reverse direction to tighten the bottom of loc connector making the cable cross hole shrink slowly until all he lines are locked 9 3 2 Connection of communication line 1 Connection of communication line of single outdoor unit d prm E 4 outdoor ul Communication Communicati Terminal board twisted pair 5 outdoor unit mirum unit F ommunicati Communication Terminal board twisted pair Terminal board CUm Terminal board 12 13 N Power supply 380 415V 3N 50Hz on twisted pair twisted pair Sy TT Power supply 220 240 50Hz TT Power supply 220 240 50Hz ITT Power supply 220 240V 50Hz Note The communication line to be installed on the last indoor unit is wire resistance compatible The indoor
256. w Speed Grade Indoor Ambient 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 start compulsory operation under high air speed grade for 8 seconds and then operates under set air speed 59 DIGITAL MULTI CONTROL 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 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 1 1 Indoor Ambient Temperature Indoor Set Temperature 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
257. wm Lm owes 2 mm Lx meme 1 Lm uessaceeenr 1 memo ime uwEHR RHu Cleft a _ cones omes L wem 1 mew E VR600W4Na 04010000 1154605 Left One way Valve 2 VI260W2NaM O0000008 VI260W2NaM O0000008 00000008 4324001 23 DIGITAL MULTI VRF MAINTENANCE 38 Motor fix support 4 RF28WO 09000001 1335801 Electric expand vavle VPd260WNaM 03020001 7130364 L R860W6 Na M L R900W6 Na M N 5 V WM 575 19 23 4 56727 8 9 10 80 84 85 86 8 88 89 SD oe 240 DIGITAL MULTI VRF MAINTENANCE List of components 0 3 me o iew Mainboard WZ6535U 3022614 Three bit Terminal BoardA 1 nus 6 Overcurrent protector HD 13 2 22 UO 10 13 46020112 IL AC Contactor GC3 22 11KK 1 4400236 s oversurent 0A E p 6 Lu am
258. y 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 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 any 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 earthling mi
259. y attention that the 4 way valve has a time lag of 2 minutes Press the ON OFF key to switch off the unit and to remove the voice alarm If there is still compressor exhaust protection after the compressor is started only one detection will be carried out and E4 will be displayed Now the buzzer sends out alarm if there is only a receiver there will be no buzzer alarm function 56 DIGITAL MULTI VRF CONTROL E Communication Failure Target TAmbient gt Setting 1 C 30 Seconds Coane Communication is Normal Display E6 Normal Display Display ON OFF Indoor Unit Outdoor Fan 1 Seconds 1 Seconds gt gt Compressor Stop Operation For 3 Minutes 5 Defrosting Function The heating operation continues for 50 minutes now the 4 way valve is in the heating position the Mid Temp sensor temperature and the outdoor ambient temperature remain below the curve shown in the following chart for 120S 0 5 B e z 10 U 8 15 10 5 0 5 10 Outdoor Dry Bulb Temperature Or The outdoor ambient temperature is lower than 6 the heating operation keeps on for 2 hours now the 4 way valve is in the heating position Condition of stopping defrosting The worm pipe temperature of the outdoor unit is higher than 15 C or the defrosting operation keeps on for 10 minutes Defrosting Action Defrosting is realized by switching the 4 way valve to the cool
260. y 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 1s remained Centralized Controller and several communication modules formed communication net the length of communication wire of the net can be as long as Ikm without using communication repeaters 6 2 Operation View AL ALL OFF 14 Jl 10 1 Fig 6 2 79 DIGITAL MULTI VRF CONTROL This central control has Sequence On function that enable conduction to sequence control ALL ON 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 control 2 ALL OFF to communication modular in interval of 2 seconds communication module controls Sequence Off of indoor units to lower impact to power networ
261. y every bolt for steady should be fairly even 4 The diameter showed on the fig l 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 xx 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 x For well draining the drain hose should be placed at a downward slant Dol enched p x not wrench or bend the drain hose or flood its end bywater Fig 2 Wrap heat resistant material when connect the longer drainage tube though indoor Xo Fig 2 e Install the connection pipes Connect the connect pipe with the two relative leading pipe tie the nut on tie of the connect pipe tightly Note Be careful in bending the connection pipes or you will damage the pipes xx If the tightening torque is too great in tightening the flare nut leakage will happen 138 DIGITAL MULTI VRF INSTALLATION 5 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING 5 1 Specification R410a refrigerant system External External Thickness mm Thickness mm Diameter mm inch Diameter mm inch 5 2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor Units Capacity over 20K W Allowable m ft 410 re
262. y used to meet the needs of special people on priority e g leader patients etc The factory default setting is that all indoor units are master dial up switch pulled to ON position When all the indoor units are set as slave the outdoor unit will run according to the mode of slave indoor unit that is firstly started If the mode of slave indoor unit started later has in conflict against the mode started earlier the system will display mode conflict error so that the indoor unit started later cannot work In this case the run mode of the unit is decided by the slave indoor unit that 15 firstly started When only one indoor unit is set as master no matter if the master indoor unit is firstly started or not the slave indoor unit will give out mode conflict error as long as its mode is in conflict against the mode of master indoor unit except that the master indoor unit is stopped In this case the unit run according to the mode of master indoor unit on priority When several indoor units are set as master the mode of master indoor unit with a lower address code will be taken as the master run mode of the unit when the master indoor unit with the lowest address code is changed from STOP state to RUN state the mode of other master indoor units or slave indoor units shall be kept identical to its mode otherwise the system will give out mode conflict error Therefore when there are several master indoor units the address code of the u

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