SERVICE MANUAL V: 3.0
Contents
1. 15 56 9 PARTS LIST KEY NO jPART CODE PART NO DESCRIPTION Q TY NOTE 1 1202499 RZA 2 1321 002 XX 0 FAN GUARD 1 2 8004546 K31470066 FRONT PANEL 1 3 1324263 K38310006 PROPELLER FAN 1 4 1323471 K1B310044 FAN MOTOR ASSY 1 5 1333872 K331F0030 FAN MOTOR SUPPORTER 1 6 1327595 K37340102 CONDENSER ASSY 1 7 8004547 K31220010 BACK PANEL 1 8 1202470 RZA 0 5302 003 XX 0 SIDE COVER ASSY 1 9 1206659 RZA 2 2369 001 XX 1 VALVE COVER 1 10 1300307 RZA 0 4519 021 XX 0 ELECTRICAL EXPANSION VALVE 2 11 1349489 K37410374 4 WAY VALVE 1 12 1204863 RZA 0 4515 01B 41 0 1 4 VALVE ASSY 2 13 1204849 RZA 0 4518 02B 41 0 3 8 VALVE ASSY 2 14 1301842 4 5259 290 01 0 TEMPERATURE SENSOR 1 15 1341332 K37210142 COMPRESSOR ASSY 1 16 1301839 4 5259 390 04 0 TEMPERATURE SENSOR 1 17 1301842 4 5259 290 01 0 TEMPERATURE SENSOR 1 18 1312582 K1C510001 TEMPERATURE SENSOR 1 19 1204958 RZA 2 5303 054 XX 0 SENSOR MOUNT ASSY 1 20 1303873 RZA 2 2476 196 XX 0 NOISE DEFENING COVER 1 1 21 1312877 K33AB0008 NOISE DEFENING COVER 2 1 22 1334747 K33AB0045 NOISE DEFENING COVER 3 1 23 1349535 K31120094 BASE ASSY 1 24 1204014 852 2 2228 132 02 0 DRAINAGE HOSE 1 25 1324726 K31720005 COVER 1 26 1205797 RZA 4 2649 066 XX 0 INDUCTANCE ASSY 1 27 1324836 K33670006 PARTITION SUPPORT PLATE ASSY2. 1354140 A POWER TERMINAL PANEL FILTER jsn ACLIN u DC FAN AC FAN BN Blk JAC N IN z Ed x 2282 EARTH 43 EARTH 8282 INDUCTOR Yuemw ACLOUT BRN YEUGRN ACNOUT ax ME YEUGRN BRN ORG CONNECTION TERMINAL ES U PANEL A 2 5 mu Si 965 5556 s aw 8 on 28 EI lt comic si SLA CN15 CN252 7 CN72 CN253 CN73 YELIGRN SIN CNIB CN254 r CN74 255 CN75 CONNECTION Sent Cj E3061 TERMINAL CN22 Cj ce2 PANELB CN23 C4 CN6 3 KLJ 8RN LOUT RLI AC LIN CN9 EN w HAC N IN CN10 CAP CN13 KI H CAP CN13 YEUGRN gt CN19 pc CN9 CH IN DCHCNE OVERLOAD 9 PROTECTOR 2 CN23 CN20 W TGmB Tos gi RED WHT BLU U Vv W EARTH Jorn CONDENSER YEUGRN TERMINAL COMPRESSOR 2 t YEUGRN be BE TT nmm 55 88 4 AMW2 16U4SGC ELECTRIC WIRING DIAGRAM 1354236 A POWER TERMINAL PANEL FILTER ACLIN 2 s DCFAN ACFAN NN BK ACNIN gt a ss EARTH KE EARTH 2 188922 INDUCTOR am
3. KEY NO PART CODE PART NO DESCRIPTION QTY NOTE 1 1302820 RZA 2 1503 031 02 0 ORNAMENT 1 2 1203298 RZA 2 1601 086 XX 0 FRONT PANEL 1 3 1203547 RZA 0 2307 006 XX 0 AIR FILTER ASS Y 2 4 1203444 RZA 2 2258 062 XX 1 DISPLAY PANEL 1 5 1203267 RZA 2 1501 053 XX 0 GRILL 1 6 1203645 RZA 2 2369 067 XX 0 LEFT DOWN COVER 1 7 1203646 RZA 2 2369 068 XX 0 RIGHT DOWN COVER 1 8 1301490 RZA 0 0051 011 XX 0 EVAPORATOR ASS Y 1 9 1203331 RZA 2 2219 043 XX 0 EVAPORATOR BRACKET 1 10 1203664 RZA 2 2514 113 XX 0 MOTOR COVER 1 11 1201217 RZA 0 5259 093 XX 0 INDOOR SENSOR ASS Y 1 12 1205017 4 5259 332 03 0 COIL SENSOR ASS Y 1 13 1203072 RZA 0 2510 106 XX 1 BEARING ASS Y 1 14 1203663 RZA 2 2509 123 XX 0 CROSS FLOW FAN ASS Y 1 15 1200849 RZA 0 0000 116 XX 0 FAN MOTOR ASS Y 1 16 1203287 RZA 2 1523 056 XX 0 FLAP 1 17 1203747 RZA 0 2201 129 01 0 BASE ASS Y 1 17 1 1203271 RZA 2 2231 012 01 0 1 17 2 1203609 RZA 2 1519 037 01 0 BLADE 2 17 8 1203661 RZA 2 2478 112 XX 0 FLAP FIXED PLATE 2 17 4 1203627 RZA 2 2360 004 XX 0 INNER FLAP 1 18 1202992 RZA 0 1303 102 XX 0 DRAINAGE HOSE ASS Y 1 19 1200855 RZA 0 0000 144 XX 0 STEPPER MOTOR 1 20 1200177 RZA 0 5152 062 XX 0 DISPLAY BOARD ASS Y 1 21 1203590 RZA 2 2348 005 XX 0 DRAINAGE PLUG 1 22 1204031 RZA 2 2514 112 XX 0 BEARING COVER 1 23 1203639 RZA 2 2362 032 XX 0 FIXED BOARD 1
4. Model AMW4 28U4SKC AMW3 24U4SKC AMW2 20U4SNC AMW2 16U4SGC Function Cooling Heating Cooling Heating Cooling Heating Cooling Heating Power supply ac 220V 240V 50Hz Capacity kW 8 2 9 0 7 0 8 0 5 8 6 4 4 6 5 3 Dehumidification LA Capacity m Air flow h Rated current A 10 7 11 1 9 7 10 1 7 4 8 0 6 1 5 7 Rated input kW 2 4 2 49 2 18 2 21 1 7 1 75 1 4 1 3 Electrical data Auxiliary heater Power factor 99 9 99 9 99 9 99 9 current 15 0 15 0 14 5 14 5 SEER HSPF Model ATL165SD C9AU DA130S1C 20FZ DA130S1C 20FZ Compressor Winding resistance Q 0 590 at75 C 0 95 207 0 95 207 Outdoor Model YDK70 6H 3 55 61 8 YDK29 61 22 fan motor Winding resistance at20 C Q M 78 A 80 M 185 A 200 M 283 5 A 180 Net size LXWXH cm 109 X 41 84 98 X 35 X 64 80 X 26 X57 Package size LXWXH cm 112X 46X98 108 X 42 X72 94X36 X 64 Net weight kg 67 66 46 2 37 5 Gross weight kg 77 72 52 5 41 Liquid pipe mm 6 35 X4 6 35 X3 6 35 X2 6 35 X2 Refrigerant EN Gas pipe mm 9 52X4 9 52X3 9 52X2 9 52X2 piping Connection method Flare Flare Flare Air direction E Sone SES Sound level Hi dB 57 57 56 Fan speed Hi rpm 840 840 900 Special remarks Fan speed regulator 3 3 3 Refrigerant filling kg 2 1 2 4 1 4 1 0 capacity R410a Throttle mode EEV EEV EEV EEV NOTE Test conditions
5. 28 c 22 m gt m id EET ola ffe co Lo foo bei Keri eI Aan NEN S st ol o e 1 gt lt lt fred Eton Eco leg Kog Kog Keri Emi KeA bral LeS Leri Eo ES COPS PRR NIN NIN gt I PLO PLO FLD LO FLD FLO kd kel fei fe 6 foo LOF LO 28 72 9 331 3 4094 174 9 016 3 4464 74 8 421 3 5185 5 ELECTRICAL DATA 2 THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT 15 2 B 3450 2 of 67 94 0 3235 16 10 29 64 25 0 3408 17 11 25 24 48 9 0 4384 22 16 22 43 96 0 4829 25 19 2 d 20 gt 3 7 N co gt fo 1 p zd 5 3 2 4 37 58 0 5558 37 58 0 5558 gt 7 12 55 1 3623 69 1 12 01 1 4063 72 5 1 4506 74 11 0
6. 50mm 50mm 3 OUTLINES AND DIMENSIO 3 3 INDOOR MODEL AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC 190 740 808 780 i 740 Ni 168 4 m 688 d CN lt nm 1 N M T Y 3 140 676 Be 22644 604 Z Z de 2 Lt Z we li ul T P EM 20mm or more Ss 300mm a Sa 3 OUTLINES AND DIMENSIO 3 3 DUTDOOR MODEL AMW2 16U4SGC A A NW DD yy S SA AS e EN ZN 3 OUTLINES AND DIMENSIO 3 4 0UTDOOR MODEL AMW2 20U4SNC 300 z 3 OUTLINES AND DIMENSIO 3 5 OUTDOOR MODEL AMW3 24U4SKC AMW4 28U4SKC 340 840 gt 300mm 100mm 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant flow diagram MODEL AMW3 24U4SKC AMW4 28U4SKC Indoor heat exchanger A Indoor heat exchanger B Indoor heat exchanger C Indoor heat exchanger D Indoor un
7. 18 5 1 Electric wiring diagrams 18 J A 19 5 3 Sensor 30 6 CONTROL MODE 81 6 1 Indoor control mode EE EES 31 6 2 Outdoor control mode 34 Ti TROUBLESHOOTING Ee 38 et Error COGS LZ c n C aM D LL 39 CHECKING COMRONEN TS SR 40 8 1 Check refrigerant system 40 8 2 Check parts Unit 42 9 ltere Ge e ere EES 46 EE Re 46 GS OUO rae 51 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp COOLING Maximum 32 D B 23C W B 43 D B 26 C W B Minimum 21 D B 15 C WB 21 D B 15C HEATING Maximum 27 0 18 W B 24 D B 18 C W B Minimum 20 D B x15 C W B 7C D B 8 C W B 2 SPECIFICATIONS 2 1 Unit specifications 2 1 1 0UTDOOR UNIT
8. 1 52 9 PARTS LIST 9 2 2 List KEY PART CODE PART NO DESCRIPTION Q TY NOTE 1 1202500 RZA 0 1321 003 XX 0 FAN GUARD ASSY 1 1202383 RZA 2 1112 004 XX 0 er PANEL AMW3 24U4SKB 1312026 K31470022 AMW4 28U4SKB 1202381 RZA 0 1112 005 XX 0 RIGHT PANEL ASSY 1 4 1202703 RZA 2 2303 001 XX 0 HANDLE 2 5 1202610 RZA 2 2228 002 XX 0 DRAINAGE HOSE 1 1353088 K31120103 1 AMW3 24U4SKB 1353043 K31120099 1 AMW4 28U4SKB 7 1328932 T 2 2502 033 XX 0 PROPELLER FAN 1 8 1301883 RZA 0 0000 057 XX 1 FAN MOTOR ASSY 1 9 1202442 RZA 0 2506 003 XX 1 FAN SUPPORTER ASSY 1 10 1202474 RZA 0 2309 012 XX 0 TOP COVER ASSY 1 11 1302261 RZA 4 2649 069 XX 0 REACTOR 1 12 1335623 K33660021 PARTITION SUPPORT PLATE 1 13 1202234 RZA 2 2431 005 XX 0 RUBBER BLOCK 1 14 1204976 RZA 0 1111 001 XX 2 BACK GUARD ASSY 1 15 1301634 RZA 0 1115 001 XX 0 SIDE PANEL ASSY 1 16 8001840 RZA 2 2369 137 XX 0 VALVE COVER 1 17 8001549 RZA 2 5307 148 XX 0 ELECTRICAL BOX 1 18 1377855 K364A0012 FILTER BOARD 1 19 1317464 K13410005 FILTER 1 20 1202889 RZA 0 2239 023 XX 0 FAN MOTOR CAPACITOR 1 21 1304655 RZA 4 2239 090 XX 0 AL ELECTROANALYSIS CAPACITOR 1 22 120228
9. a o o to A CD 1 51 0 9 0 025 8 811 44 8 09 6 85 o oo 6 06 y CD foo c2 Jo fo CD oo 5 17 4 77 gt A gt o oo IO wje o Jw 5 A CD 2 8282 2 8370 2 8911 2 9444 150 2 9970 153 99 3 0488 3 0997 3 1498 3 1991 3 2475 3 2948 3 3414 3 3869 7 3 43 16 3 4753 3 5180 3 5597 3 6006 3 6404 3 6792 3 7171 3 7556 3 7931 3 8295 3 8648 3 8993 3 9327 3 9653 3 99 68 14 gt gt w a a e lo foo r5 o 227 1 694 4 4026 229 5 90 a 4 0275 4 0573 26 069 24 853 23 702 22 611 21 577 20 597 9 667 8 785 7 948 7 153 6 398 5 681 5 000 4 326 3 687 wj r5 FL ro fe o je oo r 2 3 5 7 4 is ie ez ig E gt FLO Jo 93 5 a fa fa ja o eir A le 5 Co o AlN IN IN 1 A o o
10. BLK RED WHT BAN BLK YLW DOG DOCE KOA eo 170307030 DIOS EVAPORATOR 05 CNL FAN 00 mt RYL ACIN L t CONTROL BOARD RYL ACOUT L ACOUT N D CN3 COIL CN6 INDOOR CN4 DISPLAY CN13 SI RED 1 K2 1 DG 170 DOGU Ash aw WI TERMINAL PANEL 60 26 iu BLK BLK BLK BLK BLU BRN YLW GRN 2 TO OUTDOOR DISPLAY BOARD TOO COIL SENSOR ROOM SENSOR OUTDOOR TERMINAL PANEL ROOM COIL Sensor Sensor ELECTRIC WIRING DIAGRAM Evaporator YLWIGRN DI BLK 10 BLU 2 N 3 3 RED 48 o Terminal Panel 2 1338610 Oo Quis 111 CN19 CN08 1 2 2 WHT DISPLAY 4 Control Board 1 1 212 RED CN17 CN11 CNO7 FLAP PULSE IN FAN 112131415 1213 11315 112131415 213 11315 Step Motor Fan Motor Display Panel 18 5 ELECTRICAL DATA 2 AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC TERMINAL PANEL FAN A CN18 FAN_N Ger L BROWN CNO1 L_IN mm an CNO2 N_IN Se 3 FAN_MOTO En FAN 46 RED CNO3 S1 Pa MOTOR RED V SE CN10 FAN MOTO TRANSFORMER CN08 TRANCE NTRO FAN_PRO BOARD m CNO9 TRANCE CN13 F
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13. 2 Functions of the controller 2 1 Display panel Control functions of the remote controller See operating and installation manual Il Display of the indoor unit The picture of the display is as follows aul ER RH OM Frequency Indoor Tmp Outdoor Tmp Timer Displaying Scheme 1 Timer Enabled the Clock sign appears Cancel the Clock sign disappears 2 Indoor temperature the House sign goes on and the value is current temperature of indoor The range of the value is from 9 to 35 Outdoor temperature the House sign goes on and the value is current temperature of outdoor The range of the value is from 19 to 45 will displayed when communication of indoor unit and outdoor unit abnormal 3 Frequency stand for the speed of compressor 4 Display of error codes An error code will displayed when error occurred You can show the code by push H P button on remote controller 5 times The error code will flash for 5 seconds while displayed The House sign goes on and all other signs go off 3 Control function 3 1 Emergency switch 1 When the machine is turned OFF by press and hold the emergency switch for 5 seconds with 3 beeps the indoor unit would turn to emergency run In such station machine would be forced to turn to cooling operation with the indoor fan speed being set at high speed the flap
14. 85 C 3 Storage humidity scale 95 4 Working temperature 20 C 85 C 5 accuracy for temperature control 0 5C 3 Control function Cooling Anti freeze Protection To prevent freezing caused by too low temperature of indoor evaporator the air conditioner will implement real time detection over the indoor coil temperature If the indoor coil temperature is too low the compressor will be prohibited from increasing the frequency or decrease the frequency even shut down automatically Heating Overload Protection To prevent system overload caused by excessive pressure in heating operation the machine will implement real time detection over the indoor fan coil temperature If the indoor coil temperature grows higher the compressor will be prohibited from increasing the frequency If the temperature continues to rise the compressor will decrease the frequency If the indoor coil temperature is too high the compressor will stop working immediately The compressor then will reboot after the indoor coil temperature reduces Cooling Overload Protection To prevent system overload due to excessive pressure during cooling operation the machine will implement real time detection over the outdoor condenser coil temperature If the outdoor coil temperature grows higher the compressor will be prohibited from increasing the frequency If the temperature continues to rise the compressor will decrease the frequency If the outdoo
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17. Compressor type Rotary Rotary Rated power 1550W 990W Current A 10 7 4 97 2 SPECIFICATIONS DC brushless motor Motor Motor type DC brushless motor Starting type DC Inverter DC Inverter Winding resistance 0 59 0 59 0 59 9 at 75 C 0 95 0 95 0 95 at 20 C U V V W W U U V V W W U Number of cylinder 2 2 Oil type a 68HES H or equivalent ESTER OIL VG74 Oil charge cc 880 500 Ambient temperature C 5C 43 C 5C 43C 2 3 Other component specifications 2 3 1 INDUCTANCE ELECTRIC PARAMETER PERFORMANCE AMW3 24U4SKC AMW4 28U4SKC AMW2 20U4SNC AMW2 16U4SGC Inductance model R2550HSA R2050HSB Rated power source 220V 50Hz 220V 50Hz Rated current A 25 20 Rated inductance 5 0 mH 10 5 2 mH 10 Ambient 20C 70C 20 C 70 2 3 2 FILTER ELECTRIC PERFORMANCE AMW3 24U4SKC 7 AMW2 20U4SNC AMW4 28U4SKC AMW2 16U4SGC Filter model RTNF 250T10X 3LF RTNF250 25T068X 03LF Rated current A 20 20 Rated power AC 220V 50Hz 220V 50Hz Source Filter frequency 150K 30MHHz 150K 30MHHz range Temperature 25 85 25 85 2 SPECIFICATIONS 2 3 4 STEPPER MOTOR ELECTRIC PARAMETER PERFORMANCE AMS 07UR4SNZA3 AMS 12UR4SNZA3 AMS 18UR4SPZA
18. riisense MULTI SPLIT TYPE AIR CONDITONER SERVICE MANUAL INDOOR UNI AMS 07UR4SNZA3 AMS 09UR4SNZA3 AMS 12UR4SNZA3 AMS 18UR4SPZA3 AMD 09UX4SJ C AMD 12UX4S C AMD 18UX4S C e OUTDOOR UNI AMW2 16U4SGC AMW2 20U4SNC AMW3 24U4SKC AMW4 28U4SKC Hisense Corporation Table of contents Page 1 OPERATING RANGE 1 2 2 2 1 Unit specifications 2 2 2 Major component specifications 5 2 3 Other component specifications 6 3 OUTLINES AND 5 6 8 3 1 INDOOR 8 BOUT DOO Re SEE RE EE 12 4 REFRIGERANT FLOW 14 4 1 Refrigerant flow 14 4 2 Evacuation 16 4 3 Evacuation direction 17 5 ELECTRICAL
19. tz tz tz tz tz tz tz tz ez 0 o gt oo oo 31 Jor c fo r5 O m e o te 612 3 7231 190 eje gt PS De S C2 4 ek 7 337 E 29 5 ELECTRICAL DATA 3 THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT 15 3 B 25 50 24100 43 C R KQ 54 577 45 161 36 724 28 835 21 455 14 548 08 080 02 020 96 341 91 017 86 022 81 334 76 933 7 72 799 68 914 65 262 61 828 58 597 55 555 52 691 49 994 47 452 45 055 42 795 40 663 38 650 20 18 16 gt Do um 5 4 gt 52 51 n 6 1143 74 s 33 260 1554 an T Jw r5 t gt o r5 r5 A o je o JOIN gt N JO w 0 6409 0 7074 0 7424 8 4 36 74 24 Lf 24 Jou Pe PS PS A N o les IN lt gt Jw fw fe r gt gt De De Jo N jo gt jN m o gt oo Co A 22 o 9 31 657 1 6075 T C 7 1 vo foo es lo Joo foo lo oo Joo Joo oo IS a la la oo
20. ACLOUT oazrz ACNOUT auk TTT YEUGRN J ERN oe CONNECTION TERMINAL e HUU PANELA 55 5552 E MEN 6855 5 au 8288 EE 80 8892 La CN71 Mis ren SHAICN15 eben CN73 YEUGRN CN74 SI NCN16 Fonz CONNECTION SLB CN18 CN21 cne TERMINAL cN22 CN62 PANELB CN63 TL BRN LOUT RL1 sm AC L IN CN9 NOUT CN1 CH AC N IN CN10 am ma CAPt CN13 5 DEKEN r m PANI YEUGRN CN19 N pcr CN8 OVERLOAD o ui PROTECTOR Z op CN22 CN23 CN20 u v w TCOLTSUCTOUT GasA 0928 14068 TOG c gt IL IL TI e 6 zz T zd RED WHT BLU U V w EARTH CONDENSER VELGEN E 323 COMPRESSOR 28 85 E rmn Le 48 21 5 ELECTRICAL DATA 5 2 Electric control 1 Control board for indoor unit 1 AMS 07UR4SNZA3 AMS 09UR4SNZA3 AMS 12UR4SNZAS3 eru 22 5 ELECTRICAL DATA 2 AMS 18UR4SPZA3 5V GND FAN SPEED ROOM COIL ON OFF DISPLAY 12V FEEDBACK SENSOR jb BOARD FAN MOTOR DRVING 23 5 ELECTRICAL DATA 3 AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC FAN priect Wetor drehg To FAN Meier CAP ac L out N at ranatarrert dect Healer PUMP mo Win ec 220v oc 220V eut
21. Cooling Indoor DB27C WB19 C Outdoor DB35 C WB24 C Heating Indoor DB20C WB15 C Outdoor DB7 C WB 6 C 2 SPECIFICATIONS 2 1 2 INDOOR UNIT Model Ve mee AMS 12UR4SNZA3 AMS 18R4SPZA3 Function Cooling Heating Cooling Heating Cooling Heating Power supply 220V 240V 50Hz Capacity kW 2 6 3 0 32 38 4 8 5 5 nati Dehumidification l h 1 1 14 1 5 Air flow m3 h 420 520 450 560 700 800 Running current A 0 18 0 18 0 18 0 18 0 2 0 18 Rated input kW 40 40 40 40 45 40 Electrical Auxiliary heater A Power factor Starting current A SEER HSPF m Compressor Winding resistance at25C 0 Indoor Model YYW16 4 532 YYW28 4 2085B fan motor Winding resistance at20 C 0 364 400 5 M 246 2 A 191 Outdoor Model fan motor Winding resistance at20 C 0 Net size LXWXH em 75X25X19 87X23X31 Package size LXWXH cm 84X31 X27 96 X 40 X 34 Net weight kg 8 0 12 0 Gross weight kg 9 5 14 0 Rg Liquid pipe mm 6 35 piping Gas pipe mm 9 52 Connection method Air direction 6 6 Sound level Hi dB 37 49 Secu Fan speed Hi rpm 1200 1300 remarks Fan speed regulator 3 3 Refrigerant filling ie capacity R410a Throttle mode NOTE Test conditions Cooling Heating Indoor DB27 C WB19 C
22. RZA 0 4509 015 XX 0 4 WAY VALVE 1 13 1332693 RZA 0 4515 00B 41 0 1 4 VALVE ASSY 1 14 1335015 RZA 0 4518 00B 41 0 3 8 VALVE ASSY 1 15 1315560 RZA 0 5303 052 XX 0 SENSOR BRACKET 1 16 1300307 RZA 0 4519 021 JT 0 ELECTRIC EXPANSION VALVE 2 17 1206640 RZA 4 2649 074 XX 0 ELECTROMAGNETIC COIL 1 18 1204048 RZA 0 5302 011 XX 1 ELECTRICAL BOX ASSY 1 19 1354179 36411936 CONTROL BOARD 1 20 1301881 4 2379 123 03 0 TERMINAL PANEL 2 21 1206639 RZA 2 9030 012 XX 0 CLIP ASSY 8 22 1353381 33170065 TERMINAL BOARD ASSY 1 23 1305257 7 0 5220 024 0 EMI FILTER 1 24 1315782 33530007 ELECTRICAL BOX 1 25 1335693 36470069 DRIVER BOARD 1 26 1347749 K33AE0016 RADIATOR 1 27 1341476 33670019 SEPERATOR SUPPORT PLATE 1 28 1204046 RZA 0 5315 016 XX 0 COVER ASSY 1 29 1352970 K36E10043 TERMINAL PANEL 1 30 1205797 RZA 4 2649 066 XX 0 PFC REACTOR 1 31 1336461 K33AB0050 NOISE DEFENING COVER 1 1 32 1369591 K33AB0069 NOISE DEFENING COVER 2 1 33 1303873 RZA 2 2476 196 XX 0 NOISE DEFENING COVER 3 1 34 1341332 37210142 COMPRESSOR ASSY 1 35 1353326 31120104 BASE ASSY 1 36 1204014 852 2 2228 132 02 0 DRAINAGE HOSE 1 37 1304655 RZA 4 2239 090 XX 0 CAPACITOR 1 38 1203577 RZA 2 1111 014 XX 0 BACK GUARD 1 59 9 PARTS LIST 39 1205548 RZA 2 2476 137 XX 0 NOISE DEFENING COVER 4 1 40 1336465 K33AB0052 NOISE DEFENING COVER 5 1 41 1301839 4 5259 390 04 0 TEMP SENSOR ASSY 1 42 131
23. 1 28 1205734 RZA 0 2239 010 XX 0 Al ELECTROANALYSIS CAPACITOR 1 29 1304089 RZA 2 5304 092 XX 0 CLIP 3 30 1301881 4 2379 123 03 0 TERMINAL PANEL ASSY 2 31 1304193 RZA 0 5306 027 XX 1 TERMINAL PANEL ASSY 1 32 1340852 K33540024 ELECTRICAL BOX 1 33 1305257 RZA 0 5220 024 XX 0 FILTER 1 34 1327865 K36410802 CONTROL BOARD ASSY 1 35 1334466 K33AE0009 RADIATOR 1 37 1332616 K36470072 IPMASSY 1 39 1202283 RZA 2 5301 002 XX 0 fixing clip 1 40 1324503 K33AB0034 NOISE DEFENING COVER 3 1 41 1311770 K33AB0007 NOISE DEFENING COVER 3 1 37 9 PARTS LIST AMW2 16U4SNC 9 3 Outdoor 58 9 PARTS LIST KEY NO PART CODE PART NO DESCRIPTION QTY NOTE 1 1203960 852 2 1321 156 01 0 FAN GUARD 1 2 1203959 RZA 2 1112 024 XX 0 FRONT PANEL 1 3 1317536 38310004 PROPELLOR FAN 1 4 1354934 K1B310187 FAN MOTOR ASSY 1 5 1204938 RZA 2 2354 023 XX 0 FAN SUPPORTER 1 6 1203635 RZA 2 2208 025 XX 0 STRENGTHEN PANEL 1 7 1353542 K37340257 CONDENSER ASSY 1 8 1203956 2 0 2309 040 0 55 1 9 1353370 31220091 SIDE PANEL 1 10 1353367 K33810034 WIRING DISTRIBUTION COVER ASSY 1 11 1354044 33880006 VALVE COVER 1 12 1301088
24. 24 1203356 RZA 2 2230 114 XX 0 INSTALLATION PLATE 1 25 1380530 K36210260 REMOTE CONTROLLER 1 ELECTRICAL CONTROL BOX 1 og 1203207 RZA 0 5315 023 XX 0 COVER 1380560 K36412212 1380576 K36412213 AMS 12UR4SNZA3 28 1203964 RZA 2 5307 051 01 1 ELECTRICAL CONTROL BOX 1 29 1203961 RZA 2 5304 016 01 2 CLIP 1 30 1304376 4 2379 123 02 0 TERMINAL BOARD ASS Y 1 47 9 PARTS LIST 9 4 Indoor AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC 48 9 PARTS LIST KEY NO PART CODE PART NO DESCRIPTION QTY NOTE 1 1360499 K33AD0058 OUTLET FOAM 1 2 1360552 K33130037 STRENGTHEN PLATE 1 1360605 37320195 AR 1379028 K37320219 1 AMD 18UX4SJC 4 1360786 K31710020 UPPER BOARD 1 5 11360942 33450017 SPACER 1 6 1360670 0060 FOAM 1 7 1360677 K31220094 SIDE PANEL 1 8 11360763 _ K33170068 CONNECTING PLATE 1 9 1360484 31120120 BASE PARTS 1 10 1360719 33160040 MOUNTING PLATE ASSY 1 11 1360729 K331F0046 MOTOR BRACKET 1 gt 1362138 KiB310196 bie 1380538 K1B310248 1 AMD I8UX4SJC 13 1360737 K34340017 CARD HOOK 2 14 1360739 38210035 CENTRIFUGAL FAN 2 15 1360830 K31640038 AIR INLET PARTS 1 16 1354576 K31710019 UPPER BOARD 1 17 1360744 K38530022 FAN SNAIL SHELL 2 18 1360745 K38530023 FAN SNAIL SHELL 2 19 1360629 312100
25. Indoor DB20 C WB15 C Outdoor DB35 C WB2A C Outdoor DB7 C WB 6 C 2 SPECIFICATIONS Model AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC Function Cooling Heating Cooling Heating Cooling Heating Power supply 220V 240V 50Hz Capacity kW 2 6 3 0 32 3 7 5 0 59 Capacity Dehumidification l h 1 5 1 5 1 9 Air flow m3 h 440 520 440 520 600 700 Running current A 0 2 0 2 0 2 02 0 3 0 3 Rated input kW 44 44 44 44 66 66 Electrical data Auxiliary heater A Power factor Starting current A SEER HSPF Winding resistance at25C Indoor Model YSK25 4G YSK40 4E fan motor Winding resistance at20 C 0 M 247 A 150 M 247 A 150 Outdoor Model fan motor Winding resistance at20 C 0 Net size LXWXH mm 770 X 600 X 190 770 X 600 X 190 Package size LXWXH mm 946 X 692 X 236 946 X 692 X 236 Net weight kg 20 21 Gross weight kg 24 25 Liquid mm 6 35 piping Gas pipe mm 9 52 Connection method Air direction Sound level Hi dB 43 37 10pa 980 850 700 10 1290 1150 1010 Special Ean speed SES 30pa 1150 1070 940 30pa 1400 1310 1150 a Fan speed regulator 6 6 Refrigerant filling ks capacity R410a Throttle mode NOTE Test conditions Cooling Heating Indoor DB27 C WB19 C I
26. between tube s temperature TEST Test pressure cooling run heating run Pressure Pressure T gauge ti gauge Ce Pressure v G Pressure gauge Lor gauge io ii CRT Pressure v Pressure 7 7 gauge 0 gauge Wii 40 8 CHECKING COMPONENTS Test system flow Cooling mode Test pressure Does the low pressure normal at service T The Er on the low side Y The system wants NO refrigerant system blocked Please check the Tube or The pressure on the high side Recharge refrigerant after air purging with the vacuum pump Does the low pressure nomal over again yes Air remaining at the refrigerant system Recharge refrigerant NO electronic expansion valve ls it blocked refrigerant The service people must be ration refrigerant about 100g per in the cooling mode fixed frequency ls the low pressure rise yes yes Unsolder the capillary tube ASS Y or electronic expansion valve The capillary tube1 is blown by N Check check valve and 4 way valve Test system pressure Does the high pressure normal at service part The pressure on the low side The system wants NO refrigerant The service people must be ration refrigerant about 100g per in cooling mode fixed frequency state ls the high pressure rise in heating mod
27. closing control by DSH or SSH control Forbid close valve by DSH or SSH control Forbid open valve by DSH or SSH control Frequency forbid for cooling overload Frequency forbid by IPM Frequency decrease for discharge pressure is too high 37 7 TROUBLE SHOOTING 7 1 Trouble alarm 7 1 1 To display error code AMS 07UR4SNZA3 AMS 09UR4SNZA3 AMS 12UR4SNZA3 AMS 18UR4SPZA3 When error occurred error code can be displayed on the screen of indoor unit through remoter or emergency switch To display the error code refer to the following Usage1 press high power button or H P button on remote controller for 5 times Usage2 press the emergency switch for over 5 seconds Indoor or outdoor error codes will be displayed at the displaying area for indoor temperature house area Display indoor and outdoor error BR RR OM 7 1 2 When compressor is stop for some trouble the trouble code will display on LED screen in outdoor unit To resolve the trouble please refer to the following Error code troubles Possible cause 5 Communication fault with IPM a to check the cable between control board and IPM b IPM fault 6 Suction sensor fault suction sensor may be short circuited or disconnected 7 Discharge sensor fault discharge sensor may be short circuited or disconnected 8 Top of the
28. while other indoor units can operate normally 1 2 3 4 22 40 41 42 43 Limit code A Communication Fault B Communication Fault C Communication Fault D Communication Fault EEPROM of outdoor unit fault the unit will operate in accordance with the default value Freeze protection or high temperature protection of indoor unit A Freeze protection or high temperature protection of indoor unit B Freeze protection or high temperature protection of indoor unit C Freeze protection or high temperature protection of indoor unit D When compressor run limited frequency or decreasing frequency code is as follows Frequency forbid by discharge temperature control Frequency forbid by current control Frequency forbid for coil temperature control of indoor unit A Frequency forbid by coil temperature control of indoor unit B Frequency forbid by coil temperature control of indoor unit C Frequency forbid by coil temperature control of indoor unit D TBD Frequency decrease by discharge temperature control Frequency decrease by current control TBD Frequency decrease by coil temperature control of indoor unit A Frequency decrease by coil temperature control of indoor unit B Frequency decrease by coil temperature control of indoor unit C Frequency decrease by coil temperature control of indoor unit D Frequency decrease by IPM Frequency decrease for outdoor overload in cooling mode Valve opening control by DSH or SSH control Valve
29. 2582 1 510001 TEMP SENSOR ASSY 1 43 1301842 4 5259 290 01 0 TEMP SENSOR ASSY 1 44 1301832 4 5259 390 02 0 TEMP SENSOR ASSY 1 45 1206641 RZA 4 2649 075 XX 0 ELECTROMAGNETIC COIL 1 60
30. 3 AMS 09UR4SNZA3 Stepper Motor model 24BYJ48 CP 24BYJ48 B1 Voltage DC 12V 12V Number of phase 4 4 Drive mode 1 2phase excitation unipolar drive 1 2phase excitation unipolar drive Resistance per phase 300 6 7 300 9 7 Temperature 10 C 40 C 10 C 440 C 2 3 5 OVERLOAD PROTECTION NONE 3 OUTLINES AND DIMENSIO 3 1 INDOOR MODEL AMS 07UR4SNZA3 AMS 09UR4SNZAS3 AMS 12URASNZA3 750mm gt 50mm 631mm 50mm La 50mm 3 OUTLINES AND DIMENSIO 3 2 INDOOR MODEL AMS 18UR4SPZA3 271 a cds a D Dm In m 1 J D E mT o7 t P We HO al F SS 5 ED m
31. 3 RZA 2 5301 002 XX 0 CAPACITORY CLIP 1 23 1354460 K36470112 DUMMY 1 25 1356881 K33AE0021 RADIATOR 1 26 8006825 K33530023 ELECTRICAL BOX 1 7 1854486 K36411951 en 1 AMW3 24U4SKC 1354439 K36411952 1 AMW4 28U4SKC 28 8001822 RZA 2 5307 147 XX 0 ELECTRICAL BOX 1 29 1356966 K33120022 MOUNT PLATE ASSY 1 30 1206639 RZA 2 9030 012 XX 0 CLIP 5 31 1301881 4 2379 123 03 0 TERMINAL PANEL 4 32 1200212 RZA 0 2216 002 XX 0 FUSE BRACKET 1 33 1200211 RZA 0 2349 007 XX 0 FUSE 1 34 1311469 K33AB0005 NOISE DEFENING COVER 1 35 1204958 RZA 2 5303 054 XX 0 SENSOR MOUNT 1 53 9 PARTS LIST 36 1301839 4 5259 390 04 0 TEMPERATYRE SENSOR 1 37 1301832 4 5259 390 02 0 TEMPERATYRE SENSOR 1 38 1301833 4 5259 390 03 0 TEMPERATYRE SENSOR 1 39 1301841 4 5259 390 05 0 TEMPERATYRE SENSOR 1 40 1301842 4 5259 290 01 0 TEMPERATYRE SENSOR 1 41 1300307 RZA 0 4519 021 XX 0 ELECTRONIC EXPANSION VALVE 4 42 1300208 RZA 2 4221 623 XX 0 1 4 TUBE 4 43 1302908 RZA 0 4515 00B 42 0 1 4 SERVICE VALVE 4 44 1203230 RZA 2 2475 017 XX 0 INSULATION CUSHION 4 45 1300204 RZA 0 4206 982 XX 0 STAINER ASS Y 4 46 1302912 RZA 0 4518 00B 42 0 3 8 SERVICE VALVE 4 47 1301297 RZA 2 4223 067 XX 0 3 8 TUBE 4 1357788 K37410398 5 8 TUBE ASS Y 1 AMW3 24U4SKC 1357737 K37410397 1 AMW4 28U4SK
32. 37 SIDE PANEL PARTS 1 20 1360760 K33170067 CONNECTING PLATE 1 21 11360831 K338A0216 COVER 1 22 11361036 K31220095 SIDE PANEL 1 23 11360633 _ K33A40513 SPONGE 1 24 1202700 RZA 2 2295 001 01 0 CLAMP 1 25 1360771 33540055 ELECTRICAL BOX 1 26 11361768 K33650021 SEPTA 1 1378275 K36412188 1 AMD 09UX4SJC 27 1362146 lt 36412043 PCB BOARD 1 AMD 12UX4SJC 1380540 K36412211 1 AMD 18UX4SJC 28 1225513 41111 FAN MOTOR CAPACITOR 1 29 1360766 _ 33840029 ELEC JOINT BOX 1 30 1313577 13530006 TRANSFORMER 1 31 1359593 K36E10045 TERMINAL BOARD ASS Y 1 2 32 1302207 RZA 2 2397 009 XX 0 RUBBER LID 49 9 PARTS LIST 33 1363753 DG19R1 21 TEMPERATURE SENSOR 1262330 KT21J6 30 D AMD 09UX4SJC 34 1262396 21 5 20 CONNECTING WIRE AMD 12UX4SJC 1262444 KT21P6 54 AMD 18UX4SJC 35 1360539 33130036 STRENGTHEN PLATE 36 1381967 33160044 MOUNTING BRACKET FOR PUMP 37 1382293 1 410005 CONDENSATE PUMP Selection art 50 9 PARTS LIST 9 2 Outdoor AMW3 24U4SKC AMW4 28U4SKC 9 2 1 Parts 1 Configuration parts 2 Ag Black White V CN T LN E 15 E Hi T dis 51 9 PARTS LIST 2 System parts EN ies SRLS D EN
33. C 49 1203402 RZA 0 4505 008 XX 0 STRAINER 1 1300205 RZA 0 4114 001 XX 0 DISTUIBUTOR ASS Y 1 AMW3 24U4SKC 1307360 RZA 0 4207 075 XX 0 AMW4 28U4SKC 51 1300179 RZA 0 4206 985 XX 0 DISTUIBUTOR ASS Y 1 52 1300178 RZA 0 4206 977 XX 0 DISTUIBUTOR ASS Y 1 53 1357728 K37460146 CONDENSER INLET ASS Y 1 54 1300184 RZA 2 4118 001 XX 0 CONDENSER OUTLET TUBE 1 55 1258657 DG26D2 01 A 4 WAY VALVE 1 57 1357312 K37450053 SUCTION PIPE 1 58 1206624 RZA 0 9507 013 XX 0 PRESSURE SWITCH 1 59 1357614 K37440100 DISCHARGE PIPE 1 60 1205562 RZA 2 2475 001 XX 0 CUSHION RUBBER 1 Sa 1357284 K37330218 CONDENSER ASSY 1 AMW3 24U4SKC 1357849 K37330219 1 AMW4 28U4SKC 65 1358918 K37210164 COMPRESSOR ASS Y 1 68 1300250 RZA 2 2476 176 XX 0 SOUND INSULATION PAD 1 70 1205547 RZA 2 2476 135 XX 0 SOUND INSULATION PAD 1 71 1324503 K33AB0034 SOUND INSULATION PAD 1 72 1301887 RZA 4 2649 081 XX 0 EEV COIL 4 73 8006239 K1C070004 INSULATION PAD 2 74 1312582 K1C510001 TEMPERATYRE SENSOR 1 75 1312591 K1C510002 TEMPERATYRE SENSOR 1 76 1304193 RZA 0 5306 027 XX 1 TERMINAL PANEL 1 Note 54 9 PARTS LIST For AMW3 24U4SKC the quantity is 3 instead of 4 ForAMW3 24U4SKC the quantity is 4 instead of 5 The item is only for AMW4 28U4SKC 55 9 PARTS LIST 9 3 Outdoor AMW2 20U4SNC
34. CTRONIC ELECTRONIC EXPANSION VALVE A EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE D EEN 2 AMW3 24U4SKC ELECTRIC WIRING DIAGRAM 1354463 A PANEL 40 ax ruse uk Wa COMPRESSOR 42 N BLU I 4 WAY VALVE FAN MOTOR of Kan AUXILIARY HEATER CONNECTION VA FM TERMINAL 4 REDWHT BLU PANELC CAPACITOR MEN ras T T 12174 CN100 CN101 102 zi Fi 6121213 DUUM w Cueva CNRMWHT amp amp BED WAT a le CMT BRN CN200 LIN viwonn CONNECTION 3 POWER FILTER BOARD au CN201 NIN PANELB Fine WU a 10 PRESSURE au cN1o4N Ema 7 ELECTROLYTIC lt 5 CAPAGIION jew gp sip 00 gt YLWIGRN a CONNECTION TERMINAL EP TeasA BC ant TCOLISUCTOUT 2 L1 PANELA Ber E p 5 KO 45 CN203 L2 SA CONTROL BOARD PIN SES CN404 AEV RED CN403 BEV WAT CN402 BLK omg WHT cNaoz WHT S QUEEN E 1 5 CONNECTION TERMINAL PANELA OVERLOAD 4 PROTECTOR k ELECTRONIC ELECTRONIC ELECTRONIC EXPANSION VALVEA EXPANSION VALVEB EXPANSION VALVE C 20 5 ELECTRICAL DATA 3 AMW2 20U4SNC ELECTRIC WIRING DIAGRAM
35. LAP MOTOR HEAT CNO4 HEAT 1 STEP CN14 FLAP MOTOR CNO5 HEAT_N gt STEP CN15 FLAP MOTOR TEMPERATURE Ge SENSOR STEP CN16 FLAP MOTOR En Kee ES i DISPLAYI 1 1 PANEL CN23 DISPLAY CN12 PUMP PUMP p eec c 1 CN24 WATER CN21 LEVER SWITCH INSPECT REMOTE CONTROLLER 1362158 B 19 5 ELECTRICAL DATA OUTDOOR 1 AMW4 28U4SKC POWER Panel EI Re EL ELECTRIC WIRING DIAGRAM 1354457 A COMPRESSOR i 5 4 WAY VALVE FAN MOTOR 8274 AUXILIARY HEATER CONNECTION VA FM TERMINA PANELD bor 4 CAPACITOR neower BLU bet aw CN100 CN101 CN102 kk d vw EET RED WHT BLU 9 BRN GI CN200 LIN AER mm POWER FILTER BOARD mu NIN I PANELC SN mi D vives PRESSURE aij E T T2 13 Ti T2 T3 T1 T2 T3 ELECTROLYTIC EN m pou i en fell 3 zen FED d CONNECTION o TE TERMINAL 9 P 9 SE 5 CN202 L1 PANELB 26 LII E 5 AL Soen 40 CN203 L2 CONTROL BOARD jal tos ev wir en cues kuer aas Comes Ste seg SUO bei 088 YUWGRN CONNECTION TERMINAL PANELA Ka OVERLOAD oW V PROTECTOR Ly Ky RO ELECTRONIC ELECTRONIC ELE
36. ZZO 24 5 ELECTRICAL DATA 2 Control board for outdoor unit AMW3 24U4SKC AMW4 28U4SKC 1 FILTER BOARD 154 250 2 CONTROL BOARD DC DC in DC IPM To IPM To Filter POWER Board pu BEES ee Kl Se mam ha D es D Valve C Valve B Valve A Valve Outdoor Drving Drving Drving Drving Suction Pipe A B C A B C Condensor Sensor Sensor Sensor Liquid Gas Compressor Discharge Sensor High Pressure Protection 25 Communication Signal D Communication Signal N d Communication _ Signal C Communication Signal B Communication 7 Signal A Overload Protection Defrose Sensor Liquid Pipe D Sensor Gas D Sensor 5 ELECTRICAL DATA 3 IPM Board To PFC To PEC Inductor 1 Inductor 2 To Electrolytic Capacitor jac Lin ac Nin To Electrolytic Capacitor IPM Power To Compressor W To Compressor To Compressor U Gees Capacitor To Main Control Board 26 5 ELECTRICAL DATA 3 Control board for outdoor unit AMW2 16U4SGC AMW2 20U4SNC 1 IPM B
37. compressor sensor fault Top of the compressor sensor may be short circuited or disconnected 9 Outdoor coil temperature sensor Coil temperature sensor may be fault short circuited or disconnected 10 Defrosting sensor fault Defrosting sensor may be short circuited or disconnected 11 Outdoor temperature sensor fault Outdoor temperature sensor may be short circuited or disconnected 12 Liquid pipe sensor on valve A fault a Liquid pipe sensor may be short circuited 13 Liquid pipe sensor on valve B fault or open circuited or disconnected 14 Liquid pipe sensor on valve C fault b The control board in outdoor unit is in 15 Liquid pipe sensor on valve D fault trouble 16 Gas pipe sensor on valve A fault a Gas pipe sensor may be short circuited or 17 Gas pipe sensor on valve A fault open circuited or disconnected 18 Gas pipe sensor on valve A fault b The control board in outdoor unit is in 19 Gas pipe sensor on valve A fault trouble 20 Current sensor fault The outdoor PCB board in trouble 21 Voltage sensor fault The outdoor PCB board in trouble 23 Emergency shutdown for discharge check discharge sensor 38 7 TROUBLE SHOOTING temperature overheat d check whether the strainer before expand valve is blocked e Freon is leaking 24 Emergency shutdown for current a Normal protection overload b The outdoor board in trouble 25 Indoor unit A boot fault for freeze a Expand valve A is
38. damaged leaking protection b The coil temperature sensor in indoor unit Ais fault 26 Indoor unit B boot fault for freeze a Expand valve B is damaged leaking protection b The coil temperature sensor in indoor unit B is fault 27 Indoor unit C boot fault for freeze a Expand valve C is damaged leaking protection b The coil temperature sensor in indoor unit C is fault 28 Indoor unit D boot fault for freeze a Expand valve D is damaged leaking protection b The coil temperature sensor in indoor unit D is fault 30 Emergency shutdown for IPM failure a Normal protection for compressor s overload b IPM board is fault 31 Emergency shutdown for cooling a Normal protection for coil temperature overload sensor in outdoor is too high b Coil temperature sensor in outdoor is fault c Freon system may be abnormal if this fault is occur frequently 32 Emergency shutdown for discharge a The fan inlet of outdoor is blocked pressure is too high cooling mode b The fan inlet of indoor unit is blocked in heating mode c Freon system may be blocked d The surroundings temperature of indoor or outdoor unit is too high 39 8 CHECKING COMPONENTS 8 1 Check refrigerant system TEST SYSTEM FLOW Conditions Compressor is running The air condition should be installed in good ventilation Tool Pressure Gauge Technique D see feel test SEE Tube defrost FEEL The difference
39. des Repeat the steps above for other valves B C D be sure all refrigerant pipes are connected and evacuated and all valves are full opend Total pipe length is in the range Total pipe length exceeding the limit No gas charge is needed Charge the prescribed amount of gas Tighten the cap to the service port to obtain the initial status Retighten the cap 16 4 REFRIGERANT FLOW DIAGRAM 4 3 Evacuation direction MAX Refrigerant pipe length and height difference AMW3 24U4SKC AMW2 20U4SNC AMW4 28U4SKC AMW2 16U4SGC Pipe length per Indoor unit a b c d 25m 20m Total pipe length for multi system a b c d 60m 40m Height difference O D 15m 15m Height difference I D I D 7 3m 7 5 Do your best to reduce the pipe length Long pipe may cause capacity of the indoor unit incline Total refrigerant pipe length Outdoor unit precharged 0m 20m 20m 60m AMW3 24U4SKC 2100g Og Xg 15g m X Total pipe length m 20 AMW4 28U4SKC 2400g 0g Total refri t pipe length Outdoor unit precharged EE 0m 15m 15m 40m AMW2 20U4SNC 1400g 0 Xg 15g m X Total pipe length m 15 AMW2 16U4SGC 1300g 5 ELECTRICA L DATA 5 1 Electrical wiring diagrams INDOOR 1 AMS 07UR4SNZA3 AMS 09UR4SNZA3 AMS I2URASNZA3 2 AMS 18UR4SPZA3 FLAP FAN MOTOR FLAP FM 1315236 EO ORG
40. e If the pressure is close to static pressure yes 4 way valve collude or compressor exhaust every lebb Heating mode The pressure on the high side Recharge refrigerant after air purging with the vacuum pump Does the high pressure normal over again Air remaining at the refrigerant system Recharge refrigerant NO If the pressure is close to static pressure yes ompressor exhaust very way valve collude or C ebb Remove the back panel see the capillary tube1 and capillary tube2 Is it defrosting The capillary tube blocked Unsolder the capillary tube ASS Y The capillary tube1 and capillary tube2 is blown by N Check heat exchanger and 4 valve 41 8 CHECKING COMPONENTS 8 2 Check parts unit 1 INDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR Circuit diadram 1 YYW16 4 532 BROWN Vee BLACK _ WINDING GND YELLOW 3 M The main winding BLACK D n A The auxiliary winding 272 WHITE SCH I Capacitor Hot protector 1007 2 YYW28 4 2085 VCC 2 0 u F 450V RED d VOUT L m WHITE V 3 oF 5 A VN So BLACK g DOON BLACK GND on WHITE 110 5C Test in resistance TOOL Multimeter Test the resistance of the main winding The indoor fan motor is fault if the re
41. e of main winding O short circuit orce open circuit the main winding The outdoor fan motor is fault ifthe resistance of Notes 1 Please don thold motor by lead wires 2 Please don t plug IN OUT the motor connecter while power ON 3 Please don t drop hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later this type of mishandling void our warranty 43 8 CHECKING COMPONENTS 3 COMPRESSOR Coil Resistance JUS1015D5 at 25C 0 66 Q U V 0 66 Q V W 0 640 W U Coil Resistance SNB130FGYM at 20 C 0 580 U V 0 58 2 V W 0 58 Q W U COMPRESSOR EXAMINE AND REPAIR DC INVERTER POWER amp CONTROLLER Test in resistance TOOL Multimeter Test the resistance of the winding The compressor is fault if the resistance of winding O short circuit oree open circuit Familiar error 1 Compressor motor lock 2 Discharge pressure value approaches static pressure value 3 Compressor motor winding abnormality Notes 1 Don t put a compressor on its side or turn over 2 Please assembly the compressor in your air conditioner rapidly after removing the plugs Don t place the comp In air for along time 3 Avoiding compressor running in reverse caused by connecting electrical wire incorrectly 4 Warning In case AC voltage is impressed to compressor the compressor performance will below because of its rotor
42. fault with IPM 6 Suction sensor fault 7 Discharge sensor fault 8 Top of the compressor sensor fault 9 Outdoor coil temperature sensor fault 10 Defrosting sensor fault 11 Outdoor temperature sensor fault 12 Liquid pipe sensor on valve A fault 13 Liquid pipe sensor on valve B fault 14 Liquid pipe sensor on valve C fault 15 Liquid pipe sensor on valve D fault 16 Gas pipe sensor on valve A fault 17 Gas pipe sensor on valve B fault 18 Gas pipe sensor on valve C fault 19 Gas pipe sensor on valve D fault 20 Current sensor fault 21 Voltage sensor fault 23 Emergency shutdown for discharge temperature abnormal 24 Emergency shutdown for current abnormal 25 Indoor unit A boot fault for freeze protection 26 Indoor unit B boot fault for freeze protection 27 Indoor unit C boot fault for freeze protection 28 Indoor unit D boot fault for freeze protection 29 Shut down for mode conflict 30 Emergency shutdown for IPM failure 31 Emergency shutdown for cooling overload 32 Emergency shutdown for discharge pressure is too high 33 Indoor ambient temperature sensor fault 34 Indoor coil temperature sensor fault 36 Communication fault with indoor unit 37 Condensate in indoor unit is overflow 38 EEPROM of indoor unit error 39 Indoor fan motor fault 41 Indoor AC zero crossing detection fault 36 6 CONTROL MODEL Fault code 2 if the unit reports the following fault code the indoor unit which fault will be seen as shutdown
43. h efficient fan speed and the compressor operating at the highest frequency as available If the display screen can display the frequency the frequency displayed on the screen is up to the maximum It will restore to the previous run state after 15 minutes operation automatically 32 6 CONTROL MODEL 3 9 Cold air prevention In the heating run to prevent the indoor fan from blowing cold air the indoor fan will stop or run slowly until the coil is warmth 3 10 Mode interfere For the reason that all indoor units use one outdoor unit outdoor unit can only run with same mode cooling or heating so when the mode you set is different from the mode that outdoor is running with mode interfere occurs Following shows the mode interfere scene cooling dry heating fan cooling x normal dry V V x V X mode interfere heating x x V x fan x Outdoor unit always run with the mode of first indoor unit that turned on when the setting mode of following indoor unit is interfered with it 3 beeps would be heard and the indoor unit interfered with the normal running units would turn off automatically 33 6 CONTROL MODEL Outdoor mode control AMW3 24U4SKC AMW4 28U4SKC AMW2 20U4SNC AMW2 16U4SGC 1 Summarization This direction applies to multi type and DC variable frequency air conditioner 2 Performance index 1 Voltage scale 176V 264V 50Hz 2 Storage temperature scale 40 C
44. it 4 way valve KN Filter Outdoor unit Compressor Outdoor heat exchanger Remark 7 The part is only for AMW4 28U4SKC _ gt COOLING CYCLE gt HEATING CYCLE 4 REFRIGERANT FLOW DIAGRAM MODEL AMW2 20U4SNC AMW2 16U4SGC ABL 4 way valve CN B Indoor heat exchanger A Indoor heat exchanger B Compressor EEVB Filter EEVA Filter Indoor unit Outdoor unit Cooling cycle Heating cycle Outdoor heat exchanger 4 REFRIGERANT FLOW DIAGRAM 4 2 Evacuation procedures EVACUATION PROCEDURES Connect the refrigerant pipes both the liquid and eas pipes between the indoor and the outdoor units Remove service port cap of the stop valve A and connect gage manifold valve and vacuum pump to it Run the vacuum pump for more than 15 minutes and at this time confirm that the pressure gage indicates 0 1Mpa 76 cmHg Stop pump and keep the pressure for one or two minutes Make sure the pressure is no change if the pressure is changed to high there is some leakage for the pipe connection Stop valve Liquid pipe Hexagonal Close lt y wrench Mom Gas pipe Open o Caps 3 i bz Stop valve Hexagonal Stop valve wrench Remove gage manifold valve quickly from the service port of the stop valve A full open the stop valves A on gas and liquid pipe si
45. magnetic force decreasing 4 INDUCTANCE Familiar error 1 Sound abnormality 2 Insulation resistance disqualification 5 STEP MOTOR Lm N Test in resistance TOOL Multimeter Test the resistance of winding The stepper motor is fault if the resistance of winding O short 44 8 CHECKING COMPONENTS circuit oree open circuit 6 FUSE Checking continuity of fuse on ASS Y 1 Remove the PCB ASSY from the electrical component box Then pull out the fuse from the PCB ASS Y Fig 1 Fuse PCB Ass Y S Fig 1 2 Check for continuity by a multimeter as shown in Fig 2 Fuse 7 CAPACITOR 1 Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 3 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Multimeter Nu Compressor motor capacitor Fan motor capacitor Fig 3 45 9 PARTS LIST 9 1 Indoor AMS 07UR4SNZA3 AMS 09UR4SNZA3 AMS 12UR4SNZAS uy 46 9 PARTS LIST
46. ndoor DB20C WB15 C Outdoor DB35 C WB24 C Outdoor DB7C WB 6 C 2 SPECIFICATIONS 2 2 Major component specifications 2 2 1 INDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANCE AMS 07UR4SNZA3 AMS 12UR4SNZA3 AMS 18R4SPZA3 AMS 09UR4SNZA3 Motor model YYW16 4 532 YYW28 4 2085B Rated power source 220V 50Hz 220V 50Hz Phases Poles 1 4 1 4 Rated load output W 16 28 Rated speed r min 1250 Ambient 5 C 43 5C 43 C ELECTRIC PARAMETER PERFORMANCE AMD 09UX4SJC AMD 12UX4SJC AMD 18UX4SJC Motor model YSK25 4G YSK40 4E Rated power source 220V 50Hz 220V 50Hz Phases Poles 1 4 1 4 Rated load output W 25 44 Rated speed r min 1150 1070 940 Red 1400 1310 1150 Red 980 850 700 White 1290 1150 1010 White Ambient 5 C 43 5 C 443 C 2 2 2 OUTDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANGE AAW42aU4SKC AMW2 20U4SNC AMW2 16U4SGC Motor model YDK70 6H 3 YDK55 61 8 YDK29 61 22 Rated power source 220V 50Hz 220V 50Hz 220V 50Hz Phases Poles 1 6 1 6 1 6 Rated load output W 65 47 28 Ambient 5C 431C 5 C 443 C 5 C 443 C 2 2 3 COMPRESSOR ELECTRIC PARAMETER PERFORMANCE AMW3 24U4SKC AMW4 28U4SKC AMW2 20U4SNC AMW2 16U4SGC Compressor model ATL165SD C9AU DA130S1C 20FZ
47. oard To Electrolytic Capacitor ys um d XE mu e To Inductor 2 acLin To PFC Inductor 1 To Electrolytic Capacitor 7 60000000 ee ELIT 00 00 o WT ac Nin IPM Power To Compressor W To Compressor V To Compressor U To Main Control To Electrolytic Board Capacitor 2 CONTROL BOARD Fan Motor Drving ac N out ee O i Sm ac N in a Jr Earth Wire 57 T ac L in D 4 Way Valve Drving ell d d To IPM Board SS Communication Se ES 1902 Ti To IPM Board P E P R I e Power db eN Par 9 Overload Protection Outdoor Suction Condensor Sensor DC B VALVE Compressor Gas B Sensor DRVING Discharge Sensor Liquid A B amp VALVE DRVING Gas A Sensor 27 5 ELECTRICAL DATA 5 3 Sensor parameter THE PARAMETER OF OUTDOOR COMPRESSOR TEMPERATURE SENSOR 1 3979 1 Rioo 3 77K 2 5K B 187 25 6 3 Ro o o St e o o lt m O 2 eo
48. omatically shut down after three beeps If there is no conflict the indoor unit will boot normally The relationship of mode conflict is as follows riven choice Cooling Dehumidification Heating fan Active mode Cooling Y Y 4 J Dehumidification Y Y x Y Heating x x Y x fan Y Y x al Mode conflict will not happen x Mode conflict will happen Outdoor four way Valve Control Four way valve of the outdoor machine shuts down when cooling but starts when heating The operation of heating defrosting refers to defrosting operation and when the heating remote shutdown the four way valve disconnects in 50s when the compressor stops working Start up Protection To prevent compressor from restart frequently in the condition that system pressure has not been completely balanced it can t be restarted within 3 minutes Pressure Protection Pressure switch is normally kept open When the pressure grows too high the pressure switch will close and soft will enter pressure protection control soft will automatically decrease the frequency If the pressure is still unable to return to normal condition after decreasing frequency compressor will stop and report the fault code of pressure protection 35 6 CONTROL MODEL Fault code 1 If the unit reports the following fault code compressor will stops and the unit cant be operated until the failure is eliminated 5 Communication
49. r fan coil temperature is too high then the compressor will stop working immediately The compressor will reboot after the outdoor coil temperature reduces Discharge Temperature Protection To prevent working conditions of compressor from deteriorating due to high discharge temperature the machine will implement real time detection over the discharge temperature If the discharge temperature grows higher the compressor will be prohibited from increasing the frequency if the temperature continues to rise the compressor will decrease the frequency automatically if the discharge temperature is too high the compressor will stop working immediately The compressor will then reboot when the discharge temperature returns to normal condition 34 6 CONTROL MODEL Oil return Control When the compressor continues to operate at low frequency there will be an oil return The compressor increases the frequency and thus to return the oil in refrigerate system to the compressor Operation Mode 1 Mode Categories Air conditioning mode is the operation mode set by users through remote controller four modes are available cooling heating dehumidification as well as fan mode 2 Mode conflict The operating mode of outdoor unit is decided by the operating mode of the indoor unit firstly booted Indoor unit subsequently booted will firstly determine whether it s own mode is conflict with the outdoor mode If so the indoor unit will aut
50. r has not received a signal from the remote controller when the set time is up it will automatically start and operate in the preset conditions 2 Timer off When set to stop in a set time by the remote controller the air conditioner will start in the timer off condition When the set time is up the air conditioner will turn off after receiving a signal from the remote controller If the air conditioner has not received a signal from the remote controller when the set time is up it will turn off automatically 3 Neither the turning on nor turning off operation will cancel the timer function Some remote controller has a simple one hour timer off function and excludes this operation 3 4 Sleep 1 In the heating cooling or dehumidifying mode press the Sleep button on the remote controller to start or cancel the sleep function in turn and at the same time the sleep icon on the display screen will be on or off accordingly 2 In the heating mode the set temperature will decrease automatically after the sleep function is started 3 In the cooling mode the set temperature will rise aotomatically after the sleep function is started 4 In default the setting is to cancel the sleep function Turning off the unit will also cancel the sleep function 3 5 High efficient run function In the heating except for the cooling only unit cooling or dehumidifying mode it may be set for high efficient run with the indoor fan speed changed to the hig
51. s sweeping and the air conditioner s operation is irrelevant with room temperatures 2 remote signal has been received during the emergency run the machine will operate upon the command of such a remote signal 31 6 CONTROL MODEL 3 2 Operator machine communication The air conditioner has a thermal sensor to detect room temperatures Some remote controller is equipped with a thermal sensor Such remote controller has the function of man machine communication For details refer to the section for the remote controller In addition there is a thermal sensor at the indoor air inlet In the case where the remote controller is equipped with a thermal sensor the default setting for room temperatures is subject to the detection by the remote controller The remote controller detects the room temperature once every 20 seconds and automatically transmits a signal at an interval of 3 minutes or when a change in the room temperature is detected If the indoor control unit has not received a remote signal for more than 10 minutes the control function will be automatically switched over to the thermal sensor on the indoor unit 3 3 Timer function 1 Timer on When set to start in a time by the remote controller the air conditioner starts in the timer on condition When the set time is up the air conditioner will turn on and operates in the preset conditions after receiving a signal from the remote controller If the air conditione
52. sistance of main winding O short circuit oree open circuit Test in voltage TOOL Multimeter Insert screwdriver into to rotate indoor fan motor slowly for 1 revolution or over and measure voltage YELLOW and GND on motor The voltage repeat OV DC and 5V DC Notes 1 Please don t hold motor by lead wires 2 Please don t plug IN OUT the motor connecter while power ON 3 Please don t drop hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later this type of mishandling void our warranty 2 OUTDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR Circuit diagram 1 YDK70 6H 3 42 8 CHECKING COMPONENTS penn WINDING BLACK BROWN M The main winding D A The auxiliary winding M Capacitor wm Hot protector 130 C WHITE YELLOW qu p BLUE RED Winding resistance at 20 C M 789 80 Q 2 YDKSS 6I 8 BROWN Winding d M The Main Winding M The Auxiliary Winding C Capacitor M TP Al A2 A3 gt Hot Protector 130 C WHITE PINK PURPLE YELLOW Winding resistance at 20 C M 1859 A 200 0 3 YDK29 61 22 BROWN Winding M The Main Winding M The Auxiliary Winding C Capacitor lt M TP Al A2 A3 Hot Protector 130 C WHITE PINK PURPLE YELLOW Winding resistance at 20 C M 283 5 9 A 180 9 Test in resistance TOOL Multimeter Test the resistanc
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