SM ZEAS+Booster unit tcm135-211229
Contents
1. Earth leakage circuit EE EEEEEEER Field supply breaker High Seier operation j Indoor unit frequency type SWI pO i For earth fault X1M Field supply Ry Field supply overload and short op bg o circuit protection ERN o i eee Caution Waring X2M r thermo l Ry1 3 phase 380 to 415 V X1M output output Operation output Liquid In Out CCIW Pip 21 solenoid Ges l valve Jx 1A T Refrigeration side Y T solenoid valve output When the power is turned ON the i booster does not operate if z communication cannot be verified i between the condensing unit and the 4 1 booster See P 26 Single phase 220 to 240 Vi Note 1 If communication is verified H6P Earth leakage 1i 4J0Z e e aee 00003 illuminates on the condensing unit s circuit breaker control PCB See P 21 22 High Control panel etc Indoor unit frequency 1 Field2. MA 809 D Lost OL S 0 ES K Si oz y aunivuadWaL LN3 IvAInoa 3unss3ud NOLLONS ALIOvdvO 9NITOOO 15 Cooling Capacity Characteristics SiBE811111 e LRMEQ8 10 12AY1 E 0990 HLON31 SNIdld O LOZLOLLOOL 06 08 OZ 09 OS OF OE OZ OL O S4 e og 9 r 2 gg gt E 06 5 s a S6 g 001 9 820 IZIS 3dld SVO 920 IZIS Jdid SVD LAWZLOaWHT HLDN3T ONIdId O LOZLOLLOOL 06 08 04 09 OS OF CE 02 OL 0 GZ 08 98 06 96 ALIOWdV NI 001 9 82 IZIS 3dld SVD 7 920 IZIS 3dld SVD LAVOLO3IWHT HLON3T1 SNIdld O LOZLOLLOOL O6 08 OZ 09 OS OF OE OZ OL 0 e 3 gg ead 06 9 n 5 3 9820 IZIS 3dld SVO 920 IZIS 3dld SVD m HI9N371 ONIdid A8 ALIOVdVO NI 39NVHO dO 31 VH 39NVHO 40 31VH 39NVHO 40 31VH 39NVHO 40 31Vu 91 LOS V TAGOW H3OHV1 LOATAS 3SV3 Td ONLLSOHH3Q HO 3IAILL ANY ONILSOH2 NO Q30N3d3G ALIOVdVO dO 3SV3HO3G H3GISNOO HS NOILONS 9 01 3 TH VL IHL HO SOLLSIH310 VHVHO 20 NOILIGNOO Z 4NIOd Qardioads SI SALON H19N31 9NId
3. 20 Test Operation Method SiBE811111 7 Test Operation Method For details refer to the installation manual and technical guide included with the unit Verification before turning ON the power supply 1 Check that the target evaporating temperature for the condensing unit and booster units is set 2 Set the condensing unit gas side stop valve liquid side stop valve to Full Open 3 Check that the system is wired according to the external wiring diagram Freezer operation input Refrigeration side operating output e Freezer operation output Booster unit condensing unit communication line 4 Check that the piping covers El compo box covers for the condensing unit booster units and refrigeration units are shut then turn ON the power supply 5 When the system has been changed from the initial test operation such as a change in the number of connected booster units press and hold the BS button BS5 for 5 seconds It is not necessary to press this button for the initial test operation Condensing unit operation 6 Turn ON the condensing unit operation switch 7 Check the seal state with the condensing unit sight glass 8 If the system lacks refrigerant check if the specified amount of refrigerant is the system add more if insufficient 9 Check that the load side refrigerator liquid solenoid valve control is being used with Refrigeration side operating output from the condensing unit 10
4. INV compressor lock Outdoor unit fan motor error Electronic expansion valve error Communication error between booster and condensing unit Booster sensor error Booster abnormal stop Condensing unit in freezer configuration Discharge pipe abnormal temperature Liquid back error 3 sensor error High pressure switch error Outdoor air thermistor error Current sensor error Discharge pipe thermistor error Suction pipe thermistor error Subcooling heat exchanger inlet thermistor error 0 0 0000 0 eooo 5 E 2 0 S O a w N Subcooling heat exchanger outlet thermistor error High pressure sensor error Low pressure sensor error INV error INV radiator fin temperature abnormality INV compressor error Compressor current error Compressor start error Transmission system error INV control PCB Open phase power supply imbalance Radiator fin thermistor error Reverse phase 002 2020 c III WW 0 22 WWII WM 0 0 000E o 6 22 09 72 09 0 2 2 090 c O C 0 9 2 0 e 2 e Gelee o oli r N
5. Detection pressure PH PL N 15 2 1 25 3 Output voltage VH VL 31 Daikin products are manufactured for export to numerous countries throughout the world Prior to purchase please confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local Warning legislation Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion e Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer Cautions on product corrosion 1 Air conditioners should not be installed in areas where corrosive gases such
6. This can damage the compressor 21 SiBE811111 Test Operation Method 1 Refrigeration side liquid solenoid valve control specification 2 Refrigeration side liquid solenoid valve control 1 Condition where the refrigeration side liquid solenoid valve specification opens 1 Condition where the refrigeration side liquid amp Refrigeration side liquid solenoid valve output ON solenoid valve opens Refrigeration thermo ON amp Freezer operation output ON 2 Condition where the refrigeration side liquid solenoid valve eebe thermo ON closes 2 Condition where the refrigeration side liquid al Refrigeration side liquid solenoid valve output OFF solenoid valve closes Refrigeration thermo OFF amp Freezer operation output OFF Refrigeration thermo OFF Booster Freezer load Refrigerator load Outdoor unit Refrigerator load Suction pipe SH on the refrigeration side is within the range below before the branch 10 lt suction pipe SH lt 30K LED display OFF O ON Blinking Hip H2P H3P H4P H5P H6P H7P e o o BS1 BS2 BS3 BS4 BS5 MODE SET RETURN RESET Check that H3P and H6P are ON El compo box lid Lift up the tab to open the cover LED o H1P to H7P 2 BS button BS1 through BS5 SHOT rc o DIP switches E I
7. DAIKIN SiBE811111 Service Condensing Unit LRMEQ5 20AY1 E Booster Unit LCBKQ3AV1 E Table of Contents SiBE811111 Table of Contents 1 Safety PIO CAUMO NS NNNM cS 2 2 Specifications when the Condensing Unit is Connected to B ster UNIS WEE 8 2 1 Condensing Unit LDMEOR 20ANVTIIEI 8 2 2 Booster Unit LCBRKOOAVIIE ua 9 2 3 Operating Range of Booster Unit and Condensing Unit 10 3 Piping Connection rt n seite epson ando danced 11 4 Cooling Capacity Characteristics 12 4 1 Booster Unit Capacity Characteristics 12 4 2 Correction Method for Capacity Characteristics by Piping Length 13 4 3 Condensing Unit Capacity 14 4 4 Precautions when Selecting a Thermal Expansion Valve 18 5 External Witing DiagtaM cinerea i na Run RE Heaut 19 6 Inspection amp Refrigerant Charging Methode 20 7 Test Operation Method sess eene 21 B Service DIadrTOSiS ee EE 23 8 1 Checking Error Codes Condensing Un 23 8 2 Checking Error Codes Booster Un 24 8 3 Error Codes Condensing Unit 25 8 4 Service Reie oem veo cse e e em 25 8 5 Others Diagnosis Details 26 8 6 Diagnosis of Condensi
8. SiBE811111 Component Electric LRMEQ5AY1 6AY1 LRMEQ8AY1 10AY1 12AY1 LRMEQ15AY1 20AY1 p Symbol LRLEQ5AY1 6AY1 LRLEQ8AY1 10AY1 12AY1 LRLEQ15AY1 20AY1 Outdoor air thermistor HIT ST8603 Suction pipe thermistor R2T ST0602 Outdoor heat exchanger R3T ST8602A outlet thermistor Subcooling heat exchanger R5T ST0601 Thermistor outlet thermistor Subcooling heat exchanger R6T ST0601 inlet thermistor R31T ST0901 Discharge pipe thermistor R32T 570901 R33T ST0901 Fuse A1P F1U F2U 250VAC 3 15A Class T Fuse F4U 250VAC 1 0A Class T Operation switch S1S AR22PR 311B Z9 29 SiBE811111 Reference Data 9 2 Protection Parts List Booster Unit Component Electric Symbol LCBKQ3AV1 E Compressor M1C 2YC63KXD D Swing compressor Output Fan motor M1F Overcurrent protection device Impedance protect Standard EC08008 Control Inverter AIE Heavy anti corrosion EC08009 Standard 8010 For operation BER Heavy anti corrosion EC08011 D Standard EC0263 1 Operation input ASP Anti corrosion EC0263 2 Coil UKV A019 Injection UKV 18D20 Function components Electronic expansion valve Coil 2 UKV A019 Body Subcooling UKV 18D20 CH Type S1PH ACB 4UB89W Pressure protection igh pressure switc 0 device Set value OFF 2 5754 MPa ON 2 0 0 15 Lo
9. C 1 85 1 53 2 45 1 60 3 35 1 68 4 12 2 01 5 27 2 34 6 62 2 75 27 C 1 85 1 53 2 45 1 60 3 35 1 68 4 12 2 01 5 27 2 34 6 62 2 75 GE 32 C 1 85 1 53 245 1 60 3 35 1 68 4 12 201 527 2 34 662 2 75 LCBKQ3AV1E d 38 C 1 77 1 53 2 28 1 60 3 11 1 68 3 85 2 01 4 95 2 34 6 25 2 75 43 C 1 72 1 53 2 19 1 60 2 95 1 68 3 69 2 01 4 76 2 34 6 04 2 75 The characteristics in the table above represent values under the conditions below Condensing unit evaporating temperature 10 C Booster unit suction gas superheated degree 10K Booster unit to refrigeration side piping equivalent 1m length A 0909191 unit to branch pipe piping equivalent length im B 4 1 1 Cooling capacity calculation method when 1 m both A and B Cooling capacity Capacity in Table 1 x Cooling capacity rate of change by condensing unit evaporating temperature A W Cooling capacity rate of change by condensing unit evaporating temperature A Aa Em o A Q Cooling capacity rate of change S 8 20 15 10 55 0 5 10 Condensing unit evaporating temperature C 4 1 2 Power consumption calculation method when 1 m both A and B Power consumption Power consumption in Table 1 x Power consumption rate of change by condensing unit evaporating temperature a W Power consumption rate of change by condensing unit evaporating te
10. Ex Clogging from fine moisture crystals When the air tightness in the refrigerant piping system is insufficient Ex Refrigerant gas leakage When foreign objects contaminate the inside of the refrigerant piping system Ex Clogging in fine sections of the system Safety Precautions SiBE811111 When field improvement construction has a negative effect Ex When used outside the usage temperature range because of field improvements When an accident occurs because of mishandling during installation Ex Outer panel looseness vibration and pipes breaking bending When the product is altered Ex The pressure switch is short circuited For problems caused by overcharge refrigerant or insufficient refrigerant For construction that does not observe the below showcase restrictions lt Showcase restrictions gt ine T Install a thermal expansion valve and liquid solenoid valve for each showcase Both for R 410A us Thermally insulate the feeler bulb of thermal expansion valve bottom side Install the showcases connected to outdoor unit on the same floor Heat exchanger Use heat exchanger piping with the outlet on the bottom side Diagram shown on the right Use the showcase connected only to the freezer load not to the refrigeration load 3 Problems in usage When the temperature setting for stored goods is wrong Ex Storing vegetables at 0 C or lower When doors are left open for long periods of time Ex In the period from de
11. zoz 098 981 628 991 org HHL ze LAVSOSWHT 987 osz 9 692 v92 zez 292 912 0 2 961 24 v2 VEZ zz 629 eez zro rzz 09 809 6 009 z oz 969 981 169 691 oz M mt m Wlan 1 oO M o MS MES ME due OCH 38n1vH3dW3lL NOILVHNLVS SHNSS3Yd quy ZIVIL ALIOVdVO 16 SiBE811111 Cooling Capacity Characteristics LRMEQ15 20AY1 E 0S90d HLON31 SNIdld O LOZLOLLOOL 06 08 OZ O9 OS OE OZ OL 0 GZ 08 98 06 ALIOvd VO ONTIOOO NI S6 670 3715 3dld SVO ZIS 3dld SVO HLON31 SNIdld O LOZLOLLOOL 06 08 OZ O9 OS Ov OE OZ OL 0 001 LAVOCO3IWHT Sd 08 I7 S8 06 96 9 ALIOVd NI 60 4715 Jdid SVO 3ZIS 3dld SVO 001 LAVSLO3INHT HLONZT ONIdid A8 ALIOVdVO NI 39NVHO dO 31VHm 39NVHO 40 31Vu 39NVHO 40 Ave 91 LNOGY OO H39Hv1 10313S 3SV3 1d ONLLSOH3Q 40 ANIL DNILSOWS NO Q3aN3d3d ALIOvdvO H3dISNOO HS NOILONS 9 01 3 THVL IHL HO SOLLSIH3LOVHVHO JO NOILIGNOO 3HL 2 LNIOd Q3l4lo3dS SI SALON HLON31 ONIdid A8 ALIOYdY3 NI SONW
12. 5 C OC BC 10 C 15 C Condensing unit evaporating temperature Example calculation of condensing unit cooling capacity lt Calculation conditions gt Power supply frequency 50 Hz Outdoor air temperature 32 C Condensing unit LRMEQ20AY1 Condensing unit evaporating temperature 10 C Booster unit evaporating temperature 40 C Number of connected booster units 1 unit 1 m piping length Condensing unit capacity calculation 1 Condensing unit capacity 37 0 kW calculated from P 17 capacity table 2 Booster unit capacity 2 45 kW calculated from P 12 capacity table 3 Capacity correction value 0 7 kW calculated from the graph above Condensing unit capacity when connected to boosters 37 0 kW 2 45 kW 0 7 kW x 1 unit 33 85 kW SiBE811111 Cooling Capacity Characteristics e LRMEQS5 6AY1 E 1 06900 HL NIT ONIdid O LOZLOLLOOL O6 08 OZ O9 OS OF OE OZ OL 0 08 98 06 39NVHO 40 31 VH 96 9 ALIOWdVD 9NI10OO NI 001 222 1215 3dld SVO 1619 3715 Jdid SVD LAV9O3INHT HL5N31 9NIdld O LOZLOLLOOL 06 08 OZ O9 OS Ov OE OZ OL 0 08 98 06 39NVHO 40 DA re o ALIOvd NI e 2220 AZIS 3dld SVO 161 2215 3dld SVD LAVSO3INHT HL9N3 1 ONidid A8 ALIOVdVO NI 39NVHO 40 31VHm 91 LO8V TAGO
13. EB09058 PCB for compressor INV A3P Standard PC0509 2 A4P PC0511 3 A PC0511 1 A PCB for fan INV A8P PCO0511 2 A PCB PCB for operation input APP EB0568 A PCB for noise filter A2P FN354 H 1 A A6P EB0292 C PCB for current sensor A7P EBO292 C PCB for earth leakage detection A9P EC0726 A 9 EC0729 A 29 Coil UKV A023 UKV A023 UKV A024 oi Y1E DC12V 0 26A DC12V 0 26A DC12V 0 26A Main UKV 32D49 Body 0 480pls Coil UKV A023 UKV A023 UKV A024 oi Y2E DC12V 0 26A DC12V 0 26A DC12V 0 26A Electronic expansion valve G Gas UKV 18D20 Body 0 480pls Coil UKV A023 UKV A024 oi Y3E DC12V 0 26A DC12V 0 26A M1C UKV 32D49 Body 0 480pls Coil STF G01AQ531A1 STF G01AQ532A1 STF G01AQ537A1 Four way valve Y3S Body STF 0404G STF 0713G STF2011G Coil Y2S NEV MOAJ562D1 NEV MOAJ562D1 Body M2C VPV 603D VPV 603D Solenoid valve Coil Y5S NEV MOAJ562C1 Body M3C 5 VPV 603D Type S1PH ACB 1TB29W ACB 1TB28W ACB 1TB27W Set value OFF 3 870 MPa ON 2 85 0 15MPa Type S2PH ACB 1TB27W ACB 1TB27W Set value OFF 3 815 MPa ON 2 85 0 15MPa High pressure switch Type ACB 1TB27W Pressure protection S3PH ES E OFF 3 870 MPa device SetValue ON2 8520 15MPa Type 285 Set value DC5V ON 2 9670 MPa OFF 2 16 0 15MPa Low pressure sensor S1NPL 150NH4 L2 200NH4 L2 200NH4 L2 High pressure sensor S1NPH 150NH4 H4 150NH4 H4 200NH4 H4 Fusible plug Open 70 75 C 28 Reference Data
14. O l o Pl v Power supply voltage error 23 SiBE811111 Service Diagnosis 8 2 Checking Error Codes Booster Unit For details refer to the installation manual and technical guide included with the unit The booster unit displays error code items by operating the BS buttons on the PCB Verification method 1 Check that LED H1P is OFF If ON press the MODE BS1 once Press the MODE BS1 once LED H1P blinks Press the RETURN BSS to display the first digit of the error code in the LEDs Press the SET BS2 to display the second digit of the error code in the LEDs Press the RESET BS1 to return to the original state ak wh Wiring diagram nameplate El compo box lid rear surface H2P is ON when there is an error Kagepe E SC LED display 4 OFF C ON Q Blinking LED Display EN r3 lai ontrol Displa Press switch BSS once Press switch 880 once Equivalent Contents of error H1P H2P H3P H5P H6P 1 H2P H3P H5P H6P tst digit 2nd digit 0 Booster unit PCB error 2 Ground fault device operation Wf 3 High pressure error e 4 Low pressure error e o e o 5 INV compressor lock oleo o H usa e between booster Wf 3 Discharge pipe abno
15. as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea shore contact your local distributor JMI 0107 Organization wey DAIKIN INDUSTRIES LTD Gelee TRIES AIR CONDITIONING MANUFACTURING DIVISION ipa dd EE THAILAND LTD 4 ISO Al ofthe Daikin Group s business Scope of Registration Scope of Registration _ 14001 facilities and subsidiaries in Japan THE DESIGN DEVELOPMENT AND MANUFACTURE OF THE DESIGHDEVEL OPMENT 8 n lt are certified under the ISO 14001 COMMERCIAL AIR CONDITIONING HEATING COOLING AND AAENUPAETIRE OF AIR 2 J amp CH 7 international standard for h REFRIGERATING EQUIPMENT COMMERCIAL HEATING CONDITIONERS AND THE Aa Po Evironment management EQUIPMENT RESIDENTIAL AIR CONDITIONING EQUIPMENT HEAT RECLAIM VENTILATION AIR CLEANING EQUIPMENT MARINE TYPE CONTAINER REFRIGERATION UNITS COMPRESSORS AND VALVES JQA 1452 COMPONENTS INCLUDING COMPRESSORS USED FOR THEM EC99J2044 a Dealer X DAIKIN INDUSTRIES LTD N Head Office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo Office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com global_ac All rights reserved J Specifications designs and other
16. content appearing in this brochure are current as of June 2011 but subject to change without notice SiBE811111 Printed in Japan 06 2011 AK
17. shock heat generation a fire N CAUTION 27 Check to be sure that the 30 After the completion of repair mounting positions and be sure to make measurement wiring conditions of parts as of insulation resistance to well as the connections of prove that it is not less than soldered parts and crimp 1MQ style terminals are all normal Insulation failures may result in an electric shock If any of these items is abnormal an electric shock heat generation or a 31 After the completion of repair fire may result be sure to check the indoor unit for drainage 28 If the installation base or mounting frames reduced Insufficient draining from the indoor in strength due to corrosion unit may result in the entry of water replace them into a room thus wetting furniture and household goods Not doing so may cause the equipment to drop thus resulting in injury 29 Check for the grounding state If the ground is in an imperfect state rectify it Imperfect ground may result in an electric shock SiBE811111 Safety Precautions About the Product Warranty 1 Secondary warranty Secondary disasters caused by a product abnormality such as those to refrigerated products and sales assurances are not subject to the warranty When there is a risk of secondary disasters regularly perform temperature management and install a warning system or reserve equipment after consul
18. supply Field supply type d Booster Unit For earth fault LCBKQ3AV1 overload and 461 short circuit 14 0 X2M X1M protection amp Indoor unit Fi F2 112 T T2 s1 S2 L N Ry2 thermo 1 H Ge 1 Freezer operation e Liquid output 21R solenoid 1 y valve Dud Ground E i ps External operation switch Ry3 Field supply E erp TERR PE pop l 1 All wiring components and materials to be procured on the site must comply with the applicable local and national codes 2 Use copper conductors only 3 As for details see wiring diagram 4 Install circuit breaker for safety 5 All field wiring and components must be provided by licensed electrician 6 Unit shall be grounded in compliance with the applicable local and national codes 7 Wiring shown are general points of connection guides only and are not intended for or to include all details for a specific installation 8 If there exists the possibility of reversed phase open phase momentary blackout or the power goes ON and OFF while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other parts 9 Incase of used remote switch use non voltage contact for micro current not more than 1mA 12V DC 10 Total capacity for caution warning 0 5A or less at AC 220 to 240V Capacity for operation
19. valve for R 410A 1 The evaporating pressure equivalent saturation temperature range depends on the condensing unit s evaporating temperature and the piping length from the booster to the branch pipe Check the operating range for details 2 Piping equivalent length Value when installed according to the installation manual refrigerant is the same as the prescribed amount and reliable oil return to the installation is guaranteed 3 the condensing unit usage standards for the total value of the internal volume for the evaporator refrigerator freezer to connect and the amount of refrigerant inside the evaporator that can be recovered in the condensing unit by closing the liquid solenoid valve installed on the refrigeration side 4 This value differs when connected with CVP SiBE811111 Specifications when the Condensing Unit is Connected to Booster Units 2 3 Operating Range of Booster Unit and Condensing Unit 1 m piping length Evaporating temperature range 5m piping length 10m piping length 15 m piping length Booster evaporating temperature 25 20 15 10 5 0 5 10 15 Condensing unit evaporating temperature Note Piping length indicates the piping length from the booster unit to the branch as shown in the diagram below Piping length Booster Freezer load Refrigerator load Refrigerator load Outdoor unit Piping Connection D
20. Check that compression operates when the condensing unit suction pressure is a low pressure ON value or higher 11 Check that compression stops when the condensing unit suction pressure is a low pressure OFF value or lower Booster unit operation 12 Check that 4 on the condensing unit DS2 is switched to the OFF side 13 Turn ON the booster unit operation switch 14 Check that the load side freezer liquid solenoid valve control is being used with Freezer operation output from the booster unit 15 Check that the booster unit operates the compressor if the refrigeration side thermo is ON and the booster suction pressure is a low pressure ON value or higher Final verification 16 Check that the target evaporating temperature for both the condensing unit and booster units is set without errors 17 Check that the condensing unit H3P H6P LEDs are ON 18 Check if the low pressure saturation temperature becomes the target evaporating temperature for both the condensing unit and booster units 19 Check that the booster unit suction pipe temperature is 20 C or lower and that suction superheated degree is 10K or more 20 Check that suction pipe SH of the condensing unit refrigeration side outlet s main pipe piping after merging with refrigeration side equipment is 10K or higher and 30K or lower Precautions 21 With the booster unit running do not turn OFF the condensing unit operation switch and do not turn OFF the power supply
21. EJ Not operating Error issued Operation SW OFF Operation SW ON Not operating Error issued EJ Not operating Error issued ON n Operating Not operating Operation SW ON Operation SW OFF Error issued EJ Error issued Operating Not operating Operation SW ON Operation SW ON Error issued EJ Error issued Check the error code located in CVP technical guide and the service diagnosis 26 Service Diagnosis SiBE811111 8 6 Diagnosis of Condensing Unit Droop Factors Item Condition Control Details Verification Details Action Details High pressure droop Differential pressure availability High pressure 3 23 MPa INV compressor frequency decrease Evaporating temperature is 10 C or higher Condenser suction air temperature is 43 C or higher Condenser clog corrosion On site factor Follow usage standards On site factor Clean condenser replace condenser High pressure 3 43 MPa Outdoor air temperature lt Target evaporating temperature STD compressor stopped Because of differential pressure availability set the target evaporating temperature as the outdoor air temperature Different than the target evaporating temperature set with the DIP switches Pressure sensor failure Replace defective parts Condenser fan error Replace condenser fan Refrigerant overcharg
22. HO 40 3181 ALIOvd V9 9NT1009 WO 3 YIVA 9NIGV3H ALIOVdWO 9NF1009 NOILdANINSNOO H3MOd AM ALIOVdVO ALIOVdVD AO GOHLAW NOLLWINOWSO 9 SYNIWHAdWAL LNA T1VAIQO3 AYNSSAYd NOILONS L6L rse soz rse 12 rze viz Sve 602 ste 66L S7Z 161 viz zos oiz 029 zoz eer 961 see e si eve vet zoe S71 092 se 981 LL 009 SZL ZSv OZL Ely 991 0 coL Lze 891 vec ze LAvOZDANHT zst 998 vSL bes SL ZZv ert eer vL 68 Sve eetl Loe zz Ge ees ez 8v9 zz gos 21 esp OZL 611 696 911 ezel oz voz ese viz ose soz sve 661 ore vet vzg 62L Bez 11 soz er 61 Str 981 sor 8 L Z CZL see 991 eez 191 egz OGL 12 se 291 219 76 ver ese zee ert ese 91 eee 982 eer ze ravsroaWwen gel ver vet esp zel viv oer 97 zzi ese Set ooe ezti zazi zz 60L 19 01 977 901 Zev 901 gee VOL ose OL oze ZOL L 8z OZ NOE NOE NL NP NOE NE 802 0L G 0 9 Ol gt oz oe EE ATV ALIOvdvo 9 17 SiBE811111 Cool
23. SW ON Operation SW OFF Operating Not operating Operation SW ON Operation SW ON Operating Not operating Error code is not displayed If there are no problems with the on site wiring press BS button BS5 for 5 seconds Transmission wire break After communication error operation SW ON gt OFF Ex Communication error during operation Operation SW OFF Operation SW OFF Not operating Error issued EH Not operating Error issued EH Operation SW OFF Operation SW ON Not operating Error issued EH Not operating Error issued EH ON Operating Not operating Operation SW ON Operation SW OFF Error issued EH Error issued EH Operating Operating Operation SW ON Operation SW ON Error issued EH Error issued EH Condensing unit abnormal stop Operation SW OFF Operation SW OFF Not operating Error issued Not operating Operation SW OFF Operation SW ON Not operating Error issued Not operating Operation SW ON Operation SW OFF Not operating Error issued Not operating Operation SW ON Operation SW ON Not operating Error issued Not operating Check the error code list located in the condensing unit technical guide and the service diagnosis Booster unit abnormal stop Operation SW OFF Operation SW OFF Not operating Error issued
24. W H39HV1 10313S 3SV3Td ONILSOHH3Q 40 AWIL ONILSOH4 NO Q30N3d3G ALIOVdVO 3SV3H230 H3QISNOO E HS NOILONS 2 01 3 18VL JHL SOLLSIH3 LOVHVHO HO NOILIGNOO JHL 2 LNIOd 091512995 SI CT S310N HLONST Nldld A8 ALIOVdVO 9NI1009 NI 39NVHO 30 31VH x J19YL ALIOVdVO 9NI1009 WOH SN TVA 9NIGV3H ALIOWEYO 9NHOO9 NOILdAINSNOO H3MOd AM ALIOVdVO SNITOOD D ALIOVdVO AO GOHLAW NOLLWINO WO 211 vst 80 8 rei 6 8 ri 88 67 2L 9 801 9 6 878 961 264 081 892 991 vrZ 6 1 zzz VEL to z 611 989 E01 se 669 pe 9 9 261 099 941 9 oor oco vv o 909 ze Lego leg 912 8 9 661 1 9 eet 299 291 ps 191 ors SEL 8S 61 Zz 6 v gzz 602 soy 6L ogv 1 vg 91 IG vL GF 21 oz 8 091 9 vVZ 21 6FZ VIL 6 9 VOL 99 906 9 287 S 9 09 ergin ez 9 SEL 09 989 11 9 9 v96 799 998 ge 099 691 666 991 929 vrt zrs ver 00 S ozi e6v 901 s8 26 ze LAVSOSWHT eer 941 rr 291 SG 091 ory EL cer szi zev iL 92v v L6 2 16 81 041 08 91 9 vel eve eer 69 e BLL 99 VOL oz
25. bserving this warning will result drop thus resulting in injury in an electric shock heat generation or a fire SiBE811111 Safety Precautions A WARNING 16 Conduct electrical works 19 Do not cause damage to or according to information in process the power supply cord the Electrical Equipment Doing so will result in an Technical Standards electric shock ora fire Internal Wiring Regulations Pung bea yds on and Installation Manual and heag Te power supply cord will result in further be sure to use damage to it dedicated circuits Insufficient 20 Do not cause anything other capacity of the power supply than the specified refrigerant See uy e g air to get mixed in the works will result in an electric refrigerant system shock or a fire Doing so will cause the refrigerant system to have abnormally high internal pressure thus resulting in 17 To make wirings between damage to the equipment or bodily indoor and outdoor units use injury l specified wires to securely 21 Should the equipment have connect them and fix them so leakage of refrigerant gas that the external force of locate leaking points and cables will not be transmitted then repair them without to terminal connections fail Subsequently refill the Imperfect connections or fixing will equipment with a specified result in heat generation or a fire quantity of refrigerant If no leaking points are located and 18 To
26. d with refrigerant Always use R 410A dedicated tools because they withstand pressure and prevent impurity contamination Use R 410A dedicated products because they withstand pressure and prevent impurity contamination water debris dust Screw specifications are different for R 410A and for R 407C Manifold gauge Charge hose Use extreme caution to ensure pump oil does not flow back into the system when the pump is stopped Vacuum pump Use a pump that can draw a vacuum up to 100 7 kPa 5 Torr 755 mmHg Tightness leak testing gas Nitrogen gas Tightness leak testing High pressure portions liquid piping are 4 0 MPa For low pressure portions gas piping up to the design pressure 1 for the refrigeration unit field supply apply pressure from the service port do not exceed the design pressure Passes if there is no pressure drop If there is a pressure drop check the leak locations and repair Vacuum drying Operate a vacuum pump from both liquid and gas piping service ports for 2 hours or more and draw the vacuum until 100 7 kPa or lower Afterwards leave at 100 7 kPa or lower for 1 hour or more and check that the vacuum gauge value does not increase If it increases moisture might be remaining in the system or there is a leak 1 For the design pressure of the refrigeration unit field supply contact the manufacturer in advance 2 See the diagram above for the service port locations
27. e Non condensable gas contamination Compare the evaporating temperature during cooling operation with the outdoor air temperature High pressure 0 196 x LP lt 0 294 INV compressor frequency increase Pressure ratio absolute pressure gt 25 for continuous 10 seconds or more INV compressor frequency decrease Measure high pressure low pressure Check the refrigerant fill nameplate and charge with the appropriate amount of refrigerant Explain that this is a protective control to guarantee cooling capacity Fin temperature Fin temperature 84 C INV compressor frequency Condenser suction air temperature is 43 C or higher Condenser clog Power unit radiator error On site factor Correct usage environment Clean condenser protection decrease Compare the actual temperature with the E thermistor resistance Replace thermistor value Evaporating temperature is 10 C or higher INV e Condenser suction air Ge standard lt Secondary current INV compressor frequency temperature is 43 C or gt 38 Am 14 7 A decrease higher Ta lt 38 Am 14 7 A CREE Condenser clog p bcd Overcurrent corrosion 9 Clean condenser replace protection condenser STD compressor Current value gt 14 95 A For 2 1 seconds or longer 8 HP or higher STD compressor stopped Measure voltage 180 V or lower On site factor Correct usage environ
28. er or in the vicinity of this symbol provide the specific descriptions of instructions xx After the completion of construction or repair work conduct test operation on the equipment to check it for any abnormalities and also explain precautions for use of the equipment to customer lt l Precautions for Construction and Repair gt A WARNING 1 To overhaul the equipment be sure to turn OFF all power supplies Not doing so will result in an electric shock To repair the equipment or check for circuits with power applied pay utmost attention not to touch any live part If a refrigerant gas belches during work do not touch the refrigerant gas Doing so will result in frostbite To remove a welded part from the suction or discharge pipe of compressor remove it in a well ventilated area after thoroughly discharging a refrigerant gas Not doing so will cause the refrigerant gas or refrigerant oil to belch thus resulting in injury If a refrigerant gas leaks during work ventilate the working area If the refrigerant gas comes into contact with a flame toxic gas will be generated The electrical parts of outdoor unit carry a high voltage To repair these parts thoroughly discharge electricity from the capacitor Not doing so will result in an electric shock Safety Precautions SiBE811111 A CAUTION 6 Do not start or stop the 10 To clean the equipment be sure air conditioner
29. frosting to defrosting when a door is left open for a total of 5 minutes or more while the equipment is operating When neglecting periodic maintenance Ex Heat exchanger clogs rust on parts gas leaks refrigeration unit freezing 4 Others When a Daikin affiliate has requested prior improvements and they are not implemented Ex When multiple units are installed simultaneous starting stopping simultaneous defrosting etc Situations caused by natural disasters or fires Ex Electrical components damaged by lightning Others situations caused by lapses in common sense related to installation or usage Ex Usage without piping insulation This product is for domestic use Usage is not warranted when used outside of Japan After sales service is also not available SiBE811111 Specifications when the Condensing Unit is Connected to Booster Units 2 Specifications when the Condensing Unit is Connected to Booster Units For PCB micro computer software versions below a software update is required When a software update is required Condensing unit ver 52 EB09058 D Booster unit ver 34 ECO8008 B or EC08009 B When a software update is not required Condensing unit ver 80 or higher EBO9060 D or after or EB09061 D or after Booster unit ver 38 or higher ECO9096 C or after or ECO9097 C or after After updating the software always note the micro computer software version on PCB Condensing unit ver 80 Boo
30. iagram SiBE811111 3 Piping Connection Diagram For details refer to the installation manual and technical guide included with the unit 1 When load equipment is installed below the condensing unit Max 10m Max 35 m Booster Max 10m Freezer load Refrigerator load 2 When load equipment is installed above the condensing unit Freezer load Max 10m Refrigerator load Booster Max 10m Max 10m Branch pipe Condensing unit Caution Subcooling of the liquid piping after the booster unit D above may be 20 to 30K or more so use an insulation material Symbol Piping diameter Maximum piping equivalent length A According to condensing unit piping diameter A MAX x 130m B B According to condensing unit piping diameter B MAX x 50m C Liquid pipe inlet 06 35 Gas pipe 9 52 C MAX x 30m D Liquid pipe outlet 6 35 Gas pipe 15 88 D MAX lt 30m SiBE811111 Cooling Capacity Characteristics 4 Cooling Capacity Characteristics 4 1 Booster Unit Capacity Characteristics Table 1 Capacity characteristics Suction pressure equivalent saturation temperature C Outdoor air anor one TE temperature 45 C 40 C 35 C 30 C 25 C 20 C Q W Q W Q Q W Q W Q Ww CDB kw kW KW KW kW kW KW KW KW kW kW kW 20
31. ing Capacity Characteristics 4 4 Precautions when Selecting a Thermal Expansion Valve The condensing unit cools liquid refrigerant with a plate type heat exchanger so the liquid refrigerant subcooling degree subcooling degree condensation temperature liquid refrigerant temperature is larger than small refrigerators with no subcooling mechanism Additionally the booster unit further cools liquid refrigerant with a large subcooling degree from the condensing unit s outlet Expansion valves have a characteristic where capacity changes according to the subcooling degree of liquid refrigerant When selecting the refrigeration side thermal expansion valve first check the liquid refrigerant subcooling degree in the table below then select an expansion valve according to expansion valve manufacturer s selection methods A correction value may be added to the expansion valve capacity depending on the subcooling degree The values in the table below are the condensing unit subcooling degree For the booster unit outlet s liquid refrigerant subcooling degree add 5K to the condensing unit subcooling degree Calculation example Calculation conditions e Condensing unit evaporating temperature 10 C Booster unit evaporating temperature 45 C Condensation temperature 45 C lt For the condensing unit gt From the table below Subcooling degree 19K Liquid refrigerant temperature 26 C 45 C 19 C lt For the b
32. ld A8 ALIOVdVO ONITOOO NI SONVHO 40 31V 318V L ALIOVdVO INYA ONIGVSY ALIOVdV9 9NI1009 ALIOVdVO AO GOHLAW NOILV IIO IVO NOILdAINSNOO H3MOd A ALIOVdVO SNITOOD O Gri rez 6vL 692 6vL 6 6vL zv 802 SEL 2 81 CEL 991 srl see ert soe ger 185 eer esz 62L Lee 91 ooz vet ZL 8 SZL 998 oct 2ze elt 662 911 zzz erk vre ort 912 Zor 881 ze LAVZLOSWHT got 69 SOL 1 01 LOL Sez 966 S2 8 6 8 2896 008 ZZ 178 Ze 968 ese tee ose 928 roe 918 2 608 vvZ 108 v iz oz Srl 22 8v4 9890 ez zer 602 81 98L vel 9L SLL OWL zel 662 21 gzz eet rsz Le 922 911 602 ELE 62L 0L 991 ge KLE ZIe SOL zez 901 zoz zot eve oor eie 6 76 6L e86 691 ze LAVOLOAWHT ze6 ze oz 6 v oe 206 645 E68 v SZ 8 8 Bee 98 vOZ 9V8 621 ZZ sel sre oze 062 vez 924 692 8LZ 81 202 161 oz zel gez oet erz 981 661 11 6ZL VLL est 601 901 OL elk vsz 601 vez SOL VIZ eet 86 996 SL 626 EEL BE 6 6 692 96 8 cee Sze 0 8
33. make wirings between EE E A f discontinued perform pump down indoor and outdoor units or operation and then close the service for power supply form wires valve Not doing so will result in so that structures such as the refrigerant gas leakage service lid will not be lifted The refrigerant gas itself is and properly mount the lid harmless but if it comes Improperly mounting the lid will result into contact with a flame from a fan heater stove or iis PIERRA of So terminal part stove burner toxic gas will an electric shock or a fire be generated A CAUTION 22 A ground leakage circuit breaker 23 Do not install the equipment in needs to be mounted places with the potential for leakage of flammable gas Should a flammable gas leak to accumulate around the equipment the gas may catch fire Mounting no ground leakage circuit breaker may result in an electric shock or a fire Safety Precautions SiBE811111 A WARNING 24 Check power supply terminals Not doing so will result in an for deposition o dust or for electric shock heat generation any loose terminals or a fire Deposition of dust on or imperfect connections of 26 Do not connect the power the terminals will result in supply cord halfway or with an electric shock or a fire many loads of other electrical fittings on one electric outlet 25 Be sure to replace flawed or Doing so will result in deteriorated power supply an electric
34. ment Wet operation Overheating operation Check the error history Replace the compressor Follow usage standards Correct wet operation overheating operation Discharge pipe temperature protection Discharge pipe temperature gt 100 C amp rapid STD compressor stopped INV compressor frequency decrease Compare the actual temperature with the thermistor resistance value Replace the thermistor Suction gas SH before branch is 30K or higher On site factor Follow usage standards 27 SiBE811111 Reference Data 9 Reference Data 9 1 Protection Parts List Condensing Unit Component Electric LRMEQ5AY1 6AY1 LRMEQ8AY1 10AY1 12AY1 LRMEQ15AY1 20AY1 p Symbol LRLEQ5AY1 6AY1 LRLEQ8AY1 10AY1 12AY1 LRLEQ15AY1 20AY1 Type JT1GFDKTNYRG SB INV e M1C Overcurrent protection device 14 7A Type JT17GFKTNYE SB Compressor STD1 M2C Overcurrent protection device 13A T JT17GFKTNYE 9 SB STD2 M3C Overcurrent protection device 13A Output MIF 350W 750W Overcurrent protection device 1 5A 3 0A Fan motor Output 750W AM M2F Overcurrent protection device 3 0A Main PCB 1 Standard
35. mperature a Power consumption rate of change Condensing unit evaporating temperature C Cooling Capacity Characteristics SiBE811111 4 2 Correction Method for Capacity Characteristics by Piping Length 4 2 1 Cooling capacity calculation method piping length reference Cooling capacity Capacity in Table 1 x Cooling capacity rate of change by condensing unit evaporating temperature A see previous page x Cooling capacity rate of change by refrigerant piping length B x Cooling capacity rate of change by booster unit discharge piping length C 1 Cooling capacity rate of change by refrigerant 2 Cooling capacity rate of change by booster unit discharge piping piping length length booster unit to refrigeration side piping B booster unit to branch piping C A A e ae o 100 Booster evaporating temperature 20 C Booster evaporating temperature 30 C Booster evaporating temperature 45 C NI o Cooling capacity rate of change 8 8 Cooling capacity rate of change 1 10 20 30 Refrigerant piping length m 0 5 10 15 20 25 30 Booster unit discharge piping length m oa 4 2 2 Power consumption calculation method piping length reference Power consumption Power consumption in Table 1 x Power consumption rate of change by condensing unit evaporating temperature a see previous page x Power consumption rate of change by booster uni
36. ng Unit Droop Factors 27 9 Reference Data pc PM c 28 9 1 Protection Parts List Condensing 28 9 2 Protection Parts List Booster Un 30 9 3 Sensor Characteristics oie tbt rere de tns 31 Subject models LRMEQ5 20AY1 E LCBKQ3AV1 E Freezer models Booster units cannot be connected to LRLEQ5 20AY 1 SiBE811111 Safety Precautions 1 Safety Precautions Before performing design construction or maintenance thoroughly read the Safety Precautions and also the Installation Manual and Operation Manual that come with this product xx Precautions are classified as A WARNING or A CAUTION for the purpose of this Section Items that mishandling highly potentially induces serious consequences such as death or serious injury are specially described under WARNING Furthermore even items described under A CAUTION potentially induce serious consequences depending on circumstances All are important items for safety and must be followed without fail xx Pictograms A This symbol alerts you to precautions to be taken Sections under this symbol provide the specific descriptions of precautions O This symbol alerts you to prohibited acts Sections under or in the vicinity of this symbol provide the specific descriptions of prohibited acts e This symbol alerts you to mandatory acts or instructions Sections und
37. nspection door cover Inspection door right Upper right section of el compo box 22 Service Diagnosis SiBE811111 8 Service Diagnosis 8 1 Checking Error Codes Condensing Unit For details refer to the installation manual and technical guide included with the unit The condensing unit displays error code items by operating the BS buttons on the PCB Verification method 1 Check that LED H1P is OFF If ON press the MODE BS1 once Press the MODE BS1 once LED H1P blinks Press the RETURN BS3 to display the first digit of the error code in the LEDs Press the SET BS2 to display the second digit of the error code in the LEDs Press the MODE BS1 to return to the original state Lift up the tab to El compo box lid open the cover LED H1 Push button H2P is ON when there is an error DSL DS lejojojejejoje LED display OFF O ON Blinking BS1 through BS5 Inspection door right Upper right section of el compo box LED display Reference Remote Error Code 1st Digit Error Code 2nd Digit Control Display Press switch BS3 once Press switch BS2 once Equivalent EEN H1P H2P H5P H6P H7P HIP H2P H5P H6P H7P 1st digit 2nd digit STD compressor OC operation Ground fault device operation High pressure error Low pressure error
38. o When using a spare PCB Sot PSZS On Ihe OFF configuration boosters check that DS2 s 4 on the g condensing unit is OFF 3 E Booster error 1 Booster error Check the error code with the ARa ie HORSE SUPPE determined determination booster s BS button operation SW booster side After communication Check the transmission wire s T EN 1 established a destinations and if the Restore me transmission wire Communication transmission wire break transmission wire has broken 4 EH error with booster The boosters power Er and condensin unit 3 2 Supply was turned OFF Check the power supply for the Tun SALS powersupply for while the condensing unit booster and condensing unit unit for automaticall 9 or booster is operating For service diagnosis of booster unit and condensing unit error codes other than those in the table above refer to the technical guides 25 SiBE811111 Service Diagnosis 8 5 Others Diagnosis Details Error Item Operation SW State Operating State when Each Unit Errors Condensing Unit Booster Unit Condensing Unit Booster Unit Reference Transmission error when power supply turned ON Between condensing booster units Ex Forgotten wiring during trial operation Operation SW OFF Operation SW OFF Not operating Not operating Operation SW OFF Operation SW ON Not operating Not operating Operation
39. ooster unit gt Condensing unit subcooling degree 19K from the results calculated above Because the booster adds an additional 5K to the subcooling degree Subcooling degree 24K 19K 5K Liquid refrigerant temperature 21 C 45 C 24 C Subcooling degree K Subcooling degree Condensation temperature Liquid refrigerant temperature 45 40 C 35 C 30 C 25 C 20 C 15 10 C 5 c 0 5 10 C 20 31K 28K 26K 23K 20K 18K 15K 13K 11K 9K 6K 4K 25 C 31K 29K 26K 24K 21K 19K 16K 14K 12K 10K 8K 6K 30 C 32K 29K 27K 24K 22K 19K 17K 15K 13K 11K 9K 7K 35 C 32K 30K 27K 25K 23K 20K 18K 16K 14K 12K 10K 9K 40 C 32K 30K 28K 26K 23K 21K 19K 17K 16K 14K 12K 10K 45 C 33K 31K 29K 26K 24K 22K 21K 19K 17K 15K 14K 12K 50 C 34K 31K 29K 27K 25K 24K 22K 20K 18K 17K 15K 14K 55 C 34K 32K 30K 28K 27K 25K 23K 22K 20K 18K 17K 16K External Wiring Diagram SiBE811111 5 External Wiring Diagram For details refer to the installation manual and technical guide included with the unit Condensing unit LRMEQ5 20AY 1 Control panel etc
40. output 0 5A or less at AC 220 to 240V 11 Be sure to install the switch and the fuse to the power line of each equipment lt Note gt When turning the unit ON OFF with the condensing unit s breaker etc run wiring from the X11A connector on the condensing unit s PCB A1P to the freezer control panel as shown in the diagram above X11A specification Housing VHR 3N gray Contact SVH 21T 1 1 Wiring VSFO 5S or UL1015 AWG20 SiBE811111 Inspection amp Refrigerant Charging Methods 6 Inspection amp Refrigerant Charging Methods For details refer to the installation manual and technical guide included with the unit 1 Vacuum drying method 1 Close both stop valves A and B Factory setting 2 Open stop valves C and D Factory setting is open check that they are open 3 Perform vacuum drying from stop valves A and B 2 Tightness leak method 1 Apply each design pressure with nitrogen gas from stop valves A and B and service port d The air tightness between the freezer showcase and booster unit can only be done from service port d 3 Refrigerant charging method 1 Charge refrigerant from stop valve B lt Caution gt After refrigerant charging there is a possibility of creating a liquid seal when closing stop valves B and D lt Caution gt Do not open both liquid gas stop valves when performing tightness leak testing vacuum drying of on site piping This unit is charge
41. ppropriate for the storage application Ex Cooling goods that are not the storage temperature When selecting a load that is too large or too small for the cooling capacity For problems from the selection error of electronic expansion valve or solenoid valve at refrigeration side Ex Defective cooling because the electronic expansion valve capacity is too small 2 Installation problems installation and installation environment When not installed in a level and stable location Ex Unit is not secured When the installed atmosphere differs from normal atmospheric conditions Ex Salt spray atmosphere oil mist atmosphere near kitchen exhaust Other corrosive gas adhesive mist atmospheres For exhaust heat problems exhaust heat remaining from poor ventilation Ex Exhaust air is sucked back into the equipment When there is no solenoid valve at refrigeration side When there is an installation defect in the electronic expansion valve at refrigeration side Ex Feeler bulb is disconnected from the piping When the refrigerant piping size is not specified When drainage water cannot be smoothly discharged from the refrigeration unit Ex The drainage water pipe slope does not reach 6 or higher Ex Not insulated or the heater is not installed for the freezer stage When the drain pipe has no trap installed or is inappropriate in the refrigeration unit Ex Water column not 200 mm or higher When vacuum drying in the refrigerant piping system is insufficient
42. ration Change from freezer when Sg to Caution oe ON configuration to refrigerator Continued condensing unit and configuration and reset the power booster unit operation possible boosters supply Continued condensing unit Booster error After returning to normal reset operation possible determination Caution ON the power supply or operation Booster unit operation is possible SW booster side after implementing the recovery method to the left Transmission error Automatic recovery after the after establishing Caution ON transmission line recovers to continued condensing gnitong communication normal p p H Note 1 Abnormal Stop is an abnormal stop only when an error is determined Operation continues while retrying 2 Caution is continued operation and caution output even if an error is determined For details on other booster unit and condensing unit error codes refer to the Installation manual and Service manual 8 4 Service Diagnosis The error codes in the table below are displayed on the condensing unit side No Error Code Contents of Error Probable Cause Verification Method Reset Method er Booster sensor Check for a booster sensor wire 1 CG ertor 1 Booster sensor error break or uncoupled connector Take action for each sensor Are boosters connected to a e Condensing unit in Freezer configuration freezer CCU LRLEQ5 20AY1 i 2 EE freezer 1 when connected t
43. rmal temperature 9 e O e RI e O e F NET e 4 Liquid back error e o H 3 High pressure switch error Wf 3 Discharge pipe thermistor error 8 Heat exchange inlet thermistor error O e 9 e O e J lt 9 Heat exchange outlet thermistor error C Low pressure sensor error 1 INV error e 4 INV radiation fin temperature abnormality 5 INV compressor error L 8 Compressor current error 9 Compressor start error vore C EE P ene CNS EEN PT x EN 1 Open phase power supply imbalance e 4 Radiation fin thermistor error e e 0 Refrigerant shortage 9 e O 9 e e 9 9 O e U 2 Power supply voltage error 24 Service Diagnosis SiBE811111 8 3 Error Codes Condensing Unit Error codes when booster units are connected aH Error Determination Error Warning Caution Determination Value Frequency Level Output Output Recovery method Reference e Except for the LP sensor automatic recovery dependent on sensor returning to normal Booster sensor error Caution ON For the LP sensor after it Continued condensing arane returns to normal reset the p p power supply or operation SW booster side Freezer configu
44. side blower within 3 minutes or less Restrictor Use a thermal expansion valve for R 410A m Note 1 The evaporating pressure equivalent saturation temperature range depends on the condensing unit s evaporating temperature and the piping length from the booster to the branch pipe Check the operating range for details 2 Piping equivalent length Value when installed according to the installation manual refrigerant is the same as the prescribed amount and reliable oil return to the installation is guaranteed 3 Setthe total value of the internal volume for the evaporator refrigerator freezer to connect and the amount of refrigerant inside the evaporator that can be recovered in the condensing unit by closing the liquid solenoid valve installed on the refrigeration side to the below amount or lower LRMEQBS 6AY1 18 L or lower LRMEQ8 10 12AY1 27 L or lower LRMEQ15 20AY1 40 L or lower 4 Connection to the refrigeration load is necessary Specifications when the Condensing Unit is Connected to Booster Units SiBE811111 2 2 Booster Unit LCBKQ3AV1 E Refrigerant R 410A Refrigeration oil DAPHNE FVC50K DAPHNE FVC68D Range of suction pressure equivalent saturation temperature 1 45 C to 20 C Range of outdoor air temperature 20 C to 43 C 4 Suction gas superheated degree 10K or more Suction gas temperature 20 C or lower Power supply voltage reg
45. ster unit ver 38 2 1 Condensing Unit LRMEQ5 20AY1 E Refrigerant R 410A Refrigeration oil DAPHNE FVC68D Range of suction pressure equivalent saturation temperature 20 C to 10 C 1 Range of outdoor air temperature 15 C to 43 C Suction gas superheated degree 10K or higher 30K or lower Power supply voltage regulation Within 10 of rated voltage Power supply voltage imbalance rate Within 2 of rated voltage Power supply frequency regulation Within 2 of rated frequency Compressor ON OFF frequency 6 times or less hour Connection piping length piping equivalent length 2 Max difference in height between 35 m or lower when the condensing unit is installed higher than the refrigeration side indoor and outdoor units 10 m or lower when the condensing unit is installed lower than the refrigeration side Installation space According to the installation service space 130 m or lower Restrictions for the refrigeration side Connectable minimum load capacity 1 6 kW or higher 4 Liquid solenoid valve installed For R 410A maximum operating pressure difference 3 5 MPa or higher upstream of electronic expansion Opens closes to control the solenoid valve output from the condensing unit refrigeration valve side operating output Hot gas defrost not possible Defrost method After defrosting ends resume operation of the refrigeration
46. t discharge piping length b 1 Power consumption rate of change by booster unit discharge piping length booster unit to branch piping b Booster evaporating temperature 20 C Booster evaporating temperature 30 C Booster evaporating temperature 45 C Power consumption rate of change Booster unit discharge piping length m SiBE811111 Cooling Capacity Characteristics 4 3 Condensing Unit Capacity Characteristics Caution When booster units are connected condensing unit side cooling capacity decreases As shown below calculate cooling capacity for model selection Calculate condensing unit cooling capacity with the formula below for model selection Condensing unit cooling capacity when connected to boosters Condensing unit cooling capacity P 15 17 Booster cooling capacity P 12 Capacity correction value of booster unit P 13 x Number of connected boosters Capacity correction value The capacity correction value differs depending on the condensing unit s evaporating temperature and the booster s evaporating temperature Calculate this value from the diagram below Bu evaporating temperature 45 Bu evaporating temperature 40 Bu evaporating temperature 35 Bu evaporating temperature 30 Q Bu evaporating temperature 25 L1 Bu evaporating temperature 20 Capacity correction value Q2 20 C 15 C 10 C
47. ting with the dealer where the product was purchased Also acquire damage insurance in advance 2 No charge warranty period amp subject A warranty card is included with this product The necessary information on the warranty card is completed by the dealer where the product was purchased and handed over After verifying the information written on the warranty card the persons who manage the refrigerator should store it carefully in a safe place Warranty period 1 year from installation date Please read the warranty card for details When requesting no charge repairs during the warranty period first contact the dealer or the Daikin contact center and always present the warranty card when the product is repaired If the warranty card is not presented a service fee may be charged even during the no charge warranty period so store the warranty card carefully in a safe place However for the warranty corresponding to the content listed below the product will be repaired for a service fee even during the no charge warranty period 3 Situations that do not correspond to the no charge warranty outside warranty scope Accidents in usage outside the usage specifications Refer to the usage specifications for each model series For the below problems in selection installation construction or other problems Ex indicates concrete examples 1 Model selection problems When making a selection ina
48. ulation Within 10 of rated voltage Power supply voltage imbalance rate Within 2 of between phases Power supply frequency regulation Within 2 of rated frequency Compressor ON OFF frequency 6 times or less hour Connection piping length piping equivalent length 2 30 m or lower Max Refrigeration side 10 or lower when the booster unit is installed lower than the refrigeration side font I booster unit 10 m or lower when the booster unit is installed higher than the refrigeration side between Booster unit from 10 m or lower when the booster unit is installed lower than the branch pipe indoor and branch SE outdoor units pip 10 m or lower when the booster unit is installed higher than the branch pipe Number of connected boosters LRMEQS5 6AY1 1 unit Others 2 units Installation space According to the installation service space Restrictions for the refrigeration side Connectable minimum load capacity 0 43 kW Liquid solenoid valve installed upstream of electronic expansion valve For R 410A maximum operating pressure difference 3 5 MPa or higher Opens closes to control the output from the booster unit freezer operation output Defrost method Restrictor Note Heater defrost After defrosting ends resume operation of the refrigeration side blower within 3 minutes or less Use a thermal expansion
49. using the to set the POWER SUPPLY POWER SUPPLY switch switch to OFF to turn OFF all Doing so may result in a power supplies failure or water leakage Not doing so may result in injury because the internal fan rotates at high speeds Do not repair electrical 11 To dismount the equipment parts with wet hand pay careful attention not to Doing so may result in an tilt it electric shock Tilting the equipment may cause water remaining in the equipment to fall in drops thus wetting goods kept in storage Do not wash the air 12 Check whether or not the conditioner in water refrigerating cycle part gets Doing so may result in an hot and then repair the electric shock or a fire equipment Not doing so may result in a burn Be sure to establish a ground 13 Use a welder in well ventilated for the equipment areas Not doing so may result in Using the welder in an an electric shock enclosed room may result in lack of oxygen II Precautions for Equipment after Construction and Repair A WARNING 14 To repair the equipment be 15 To install or relocate an air sure to use parts listed in the conditioner select a location List of Service Parts for the capable of supporting the applicable model and proper weight of the air conditioner tools Furthermore NEVER The insufficient strength of the make any modification to the location or improper installation of the equipment air conditioner will cause the unit to Not o
50. w pressure sensor S1NPL 150NH4 L2 Thermistor Discharge pipe R2T PTM 312 D1 3 Thermistor Heat exchanger inlet R3T PXM 36I D5 2 Thermistor Thermistor Heat exchanger outlet R5T PXM 36I D5 2 Thermistor Power module R10T Control inverter E F F1U 250V 6 3A Class T use F2U F3U 250V 1 0A Class T 30 Reference Data SiBE811111 9 3 Sensor Characteristics Outdoor Unit Heat Exchanger Outlet Application ee Out Suction Pipe Discharge Pipe Inverter Radiation Fins Subcooling Heat Exchanger Inlet ST8603 ST0901 DTN Model ST8602 ST0602 ST9701 PTP 46D D1 C193H3T ST0601 DKK130B Temperature C Resistance value kQ Resistance value kQ Resistance value kQ Resistance value kQ 10 112 10 9 1403 8 111 4 5 85 5 8 6 1059 5 84 1 0 65 8 6 9 806 5 64 1 5 51 1 5 5 618 9 49 4 10 40 4 4 487 8 38 4 15 31 6 3 6 373 1 30 1 20 25 1 2 9 292 9 23 8 25 20 1 24 231 4 18 9 30 16 2 2 184 1 15 2 35 13 1 1 6 141 1 12 3 40 10 7 1 4 118 7 10 45 8 8 1 1 96 1 8 2 50 7 2 1 78 3 6 8 55 6 0 82 64 1 5 6 60 5 0 7 52 8 4 7 65 4 2 0 6 43 6 3 9 70 3 5 0 51 36 3 3 3 75 3 0 44 30 3 2 8 80 2 5 0 38 25 4 2 4 85 2 1 0 33 21 4 2 90 1 8 0 29 18 1 1 7 95 1 6 0 25 15 3 1 5 100 1 4 0 22 13 1 1 3 105 1 2 0 2 11 2 1 1 110 1 0 17 9 6 1 115 0 9 0 15 8 3 0 9 120 0 8 0 14 7 1 0 8 MPa 4 5 4 Bu eh ciae Tn o vot IHigh pressure PH 3 5
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