Hisense AUD-18UX4SGKL Service Manual

Hisense AUD-18UX4SGKL Service Manual

Dc inverter air conditioner
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DC INVERTER AIR CONDITIONER

SERVICE MANUAL

UNIT:
AUD-18UX4SGKL
AUC-18UX4SGAA
AUD-24UX4SZLH
AUC-24UX4SZEA
AUD-36UX4SAMH
AUC-36UX4SAEA
AUD-48UX6SPHH
AUC-48UX6SPFA
AUD-60UX6SPHH
AUC-60UX6SPFA
Hisense Corporation
V:2.2(test edition)
AUD-18UX4SZKL1
AUC-18UR4SZAA1
AUD-24UX4SALH1
AUC-24UR4SAEA1
AUD-36UX4SAMH1
AUC-36UR4SAEA1

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Summary of Contents for Hisense AUD-18UX4SGKL

  • Page 1: Service Manual

    DC INVERTER AIR CONDITIONER SERVICE MANUAL V:2.2(test edition) UNIT: AUD-18UX4SGKL AUD-18UX4SZKL1 AUC-18UX4SGAA AUC-18UR4SZAA1 AUD-24UX4SZLH AUD-24UX4SALH1 AUC-24UX4SZEA AUC-24UR4SAEA1 AUD-36UX4SAMH AUD-36UX4SAMH1 AUC-36UX4SAEA AUC-36UR4SAEA1 AUD-48UX6SPHH AUC-48UX6SPFA AUD-60UX6SPHH AUC-60UX6SPFA Hisense Corporation...
  • Page 2: Table Of Contents

    Table of contents Page 1.OPERATING RANGE 2.SPECIFICATION 2-1 Unit specifications 2-2 Major component specifications 2-3 Other component specifications 3.OUTLINES AND DIMENSIONS 3-1 INDOOR 3-2 OUTDOOR 4.REFRIGERANT FLOW DIAGRAM 4-1 Refrigerant flow diagram 4-2 Evacuation procedures 4-3 Evacuation direction 5.ELECTRICAL DATA 5-1 Electric wiring diagrams 5-2 Electric control 5-3 Sensor parameter...
  • Page 3 Temperature Temp 43 ℃ Maximum COOLING 15 ℃ Minimum Maximum 24℃ HEATING Minimum -10℃ Note: AUC-18UR4SZAA1 、 AUC-24UR4SAEA1 、 AUC-36UR4SAEA1 、 AUD-18UX4SZKL1 、 AUD-24UX4SALH1、AUD-36UX4SAMH1 Temperature Temp 48 ℃ Maximum COOLING 15 ℃ Minimum Maximum 24℃ HEATING Minimum -10℃...
  • Page 4: Unit Specifications

    2-1. Unit specifications 2-1-1.OUTDOOR UNIT AUW-18U4SG AUW-24U4SZ AUW-36U4SA Model Function Cooling Heating Cooling Heating Cooling Heating Power supply a.c 220V~240V/50Hz Capacity Dehumidification l /h ---- ---- ---- ---- ---- ---- Capacity Air flow ---- ---- ---- ---- ---- ---- 12.4 12.8 Rated current 6.58...
  • Page 5 AUW-48U6SP AUW-60U6SP Model Function Cooling Heating Cooling Heating Power supply a.c 380V~418V/50Hz Capacity Dehumidification l /h ---- ---- ---- ---- Capacity Air flow ---- ---- ---- ---- Rated current Rated input 3.52 3.75 4.895 5.25 Electrical data Auxiliary heater ------ Power factor 99.9%...
  • Page 6 2-1-2.INDOOR UNIT Model AUD-18UX4SKL AUD-24UX4SLH Function Cooling Heating Cooling Heating Power supply 220V~240V/50Hz Capacity 5(1.9-5.8) 5.6 (1.4-6.6 7.25 Dehumidification l /h ---- ---- Capacity Air flow m3/h 1100 1100 Running current 0.32 0.32 Rated input Electrical data Auxiliary heater ---- ---- Power factor ----...
  • Page 7 AUD-36UX4SMH Model Function Cooling Heating Power supply 220V~240V/50Hz Capacity 11.5 Dehumidification l /h ---- Capacity Air flow m3/h 1700 1800 Running current 1.13 1.13 Rated input 0.26 0.26 Electrical data Auxiliary heater ---- Power factor ---- Starting current ---- SEER/HSPF ---- Model ----...
  • Page 8 Model AUD-48UX4SHH AUD-60UX4SHH Function Cooling Heating Cooling Heating Power supply 220V~240V/50Hz Capacity 12.6 (5.5-13.5 15(4.0-18) 17(6.2-18) 20.5(6.4-21) Dehumidification l /h ---- ---- Capacity Air flow m3/h 2000 2000 2000 2000 Running current Rated input 0.58 0.58 0.58 0.58 Electrical data Auxiliary heater ---- ----...
  • Page 9 AUC-18UX4SAA Model Function Cooling Heating Power supply 220V~240V/50Hz Capacity 5(1.87-5.75 5.6(1.38-6.6) Dehumidification l /h ---- Capacity Air flow m3/h Running current 0.32 0.32 Rated input Electrical data Auxiliary heater ---- Power factor ---- Starting current ---- SEER/HSPF ---- Model ---- Compressor Winding resistance Ω...
  • Page 10 Model AUC-24UX4SEA AUC-36UX4SEA Function Cooling Heating Cooling Heating Power supply 220V~240V/50Hz Capacity 11.5 Dehumidification l /h ---- ---- Capacity Air flow m3/h 1100 1100 1500 1600 Running current 0.96 0.96 Rated input 0.22 0.22 Electrical data Auxiliary heater ---- ---- Power factor ---- ----...
  • Page 11 Model AUC-48UX4SFA AUC-60UX4SFA Function Cooling Heating Cooling Heating Power supply 220V~240V/50Hz Capacity 12.6 (5.5-13.5 15(4.0-18)17(6.2-18) 20(5.6-21) Dehumidification l /h ---- ---- Capacity Air flow m3/h 2000 2000 2000 2000 Running current Rated input 0.58 0.58 0.58 0.58 Electrical data Auxiliary heater ---- ---- Power factor...
  • Page 12 Model AUD-18UX4SZKL1 AUD-24UX4SALH1 AUD-36UX4SAMH1 Power supply Ph-V-Hz 1N,220V~240V/50Hz 5(1.2-6.5) 7.0(1.5-7.8) 9.2(3.6~10.5) Cooling Btu/h 17,100(4,100-22,200) 23,900(5,100-26,600) 31,400(12,300-35,800) Capacity 5.6(1.8-7.2) 8.1(1.8-10) 11.0(3.05~13.8) Heating Btu/h 19,100(6,100-24,600) 27,600(6,100-34,100) 37,500(10,400-47,100) Dehumidification —— —— —— Cooling 1.5(0.4-2.25) 2.3(0.40~3.6) 3.05(0.40~5.1) Rated input Heating 1.6(0.38-2.15) 2.65(0.38~3.6) 3.25(0.38~5.1) Cooling 10.2 13.9 Rated Current...
  • Page 13 Model AUD-18UX4SZKL1 AUD-24UX4SALH1 AUD-36UX4SAMH1 Indoor L×W×H 1340×580×236 1170×870×340 1170×870×340 Packing Outdoor L×W×H 1050×400×700 1110×980×460 1110×980×460 Indoor Net/Gross 24/28 32/37 43/51 Weight Outdoor Net/Gross 45/51 69/73 70/74 Low/Hi/sound Indoor --/41/54 --/41/54 40/45/56 power Noise lever Low/Hi/sound Outdoor 45/50/62 45/50/62 --/58/70 power Gas/Liquid 12.7/6.35 15.88/9.52...
  • Page 14 Model AUC-18UR4SZAA1 AUC-24UR4SAEA1 AUC-36UR4SAEA1 Power supply Ph-V-Hz 1N,220V~240V/50Hz 5(1.2-6.5) 7.0(2.2-8.0) 9.5(3.6~10.5) Cooling Btu/h 17,100(4,100-22,200) 23,900(7,500-27,300) 32,400(12,300-35,800) Capacity 5.6(1.8-7.2) 8.2(2.5-10) 11.0(3.05~13.8) Heating Btu/h 19,100(6,100-24,600) 28,000(8,500-34,100) 37,500(10,400-47,100) Dehumidification —— —— —— Cooling 1.49(0.40~2.25) 2.3(0.40~3.6) 3.07(0.4~4.2) Rated input Heating 1.75(0.38~2.15) 2.73(0.38~3.6) 3.10(0.38~4.2) Cooling 10.1 13.4 Rated Current...
  • Page 15 Model AUC-18UR4SZAA1 AUC-24UR4SAEA1 AUC-36UR4SAEA1 Outdoor L×W×H 1050×400×700 1110×460×980 1110×460×980 Panel L×W×H 730×730×130 1010×990×95 1010×990×115 Indoor Net/Gross 21/25.5 24/30 26/32 Weight Outdoor Net/Gross 45/51 69/73 70/74 Panel Net/Gross 2.4/5 6/7.5 6/7.5 Low/Hi/sound Indoor --/48/58 36/42/53 --/50/61 power Noise lever Low/Hi/sound Outdoor 45/50/62 --/58/70 --/58/70...
  • Page 16: Major Component Specifications

    2-2. Major component specifications 2-2-1.INDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANCE AUD-18UX4SKL AUD-24UX4SLH Motor model YSK110-40-4-A Y6S419C56 Rated power source 220V~ 50Hz 220V 50HZ Phases/Poles Rated load output(W) ---- Rated speed(r/min) 1130/950/850(高/中/低) 1270 Ambient -5℃~+43℃ -5℃~+43 . ℃ temperature( ) ℃ PARAMETER ELECTRIC AUD-48UX4SHH...
  • Page 17 ELECTRIC PARAMETER PERFORMANCE AUC-48UX4SFA AUC-36UX4SEA AUC-60UX4SFA Motor model EHDS50AQ SIC-72FW-D8124-2B Rated power source 220-240V 50Hz 220-240V 50Hz Phases/Poles Rated load output(W) 0.22 460/520/630 460/520/630 Rated speed(r/min) Ambient -5℃~+43 . -5℃~+43 . ℃ ℃ temperature( ) ℃ 2-2-2 OUTDOOR FAN MOTOR ELECTRIC PERFORMANCE AUW-18U4SG AUW-24U4SZ...
  • Page 18 2-2-3. COMPRESSOR ELECTRIC AUW-18U4SG PERFORMANCE AUW-24U4SZ AUW-36U4SA Compressor model DA130S1C-20FZ ATL165SD-C9AU DA250S2C-30MT Compressor type Rotary Rotary Rotary Rated power 990W 1550W 2120W Current (A) 4.97 10.7 8.85 Motor Motor type DC brushless motor DC brushless motor DC brushless motor Starting type DC Inverter DC Inverter DC Inverter...
  • Page 19: Other Component Specifications

    2-3. Other component specifications 2-3-1. INDUCTANCE ELECTRIC PARAMETER PERFORMANCE AUW-18U4SG AUW-24U4SZ Inductance model R2050HSA R2550HSA Rated power source 220V 50Hz 220-240V 50Hz Rated current(A) Rated inductance 5.0(mH)±10% 5.0(mH)±10% Ambient temperature( ) -20℃~+70 . -20℃~+70 . ℃ ℃ ℃ ELECTRIC PARAMETER AUW-48U6SP PERFORMANCE AUW-36U4SA...
  • Page 20: 3.Outlines And Dimensions

    3-1. INDOOR (MODEL: AUD-18UX4SGKL、AUD-18UX4SZKL1 )...
  • Page 21 (MODEL: AUD-24UX4SLH、AUD-24UX4SALH1) A(mm) B(mm) C(mm) D(mm) (MODEL: AUD-36UX4SMH、AUD-36UX4SAMH1) A(mm) B(mm) C(mm) D(mm) 1344 1297...
  • Page 22 (MODEL: AUD-48UX4SHH、AUD-60UX4SHH) A(mm) B(mm) C(mm) D(mm) 1344 1297...
  • Page 23 (MODEL: AUC-18UX4SGAA、AUC-18UR4SZAA1)...
  • Page 24 (MODEL: AUC-24UX4SEA、AUC-36UX4SEA、AUC-48UX4SFA、 AUC-60UX4SFA、AUC-24UR4SAEA1、AUC-36UR4SAEA1)...
  • Page 25: Outdoor

    3-2.OUTDOOR (MODEL: AUW-18U4SG)...
  • Page 26 (MODEL: AUW-24U4SZ、AUW-18U4SZ1)...
  • Page 27 (MODEL: AUW-36U4SA、AUW-24U4SA1、AUW-36U4SA1)...
  • Page 28 (MODEL: AUW-48U6SP、AUW-60U6SP) 1090 >100mm >100mm >300mm >500mm...
  • Page 29 Refrigerant flow diagram : 4-1. For 18k,24k,36k type 4-way vavle Stop vavle Compreesor EEVB Stop vavle Indoor unit Outdoor unit Remark: COOLING CYCLE HEATING CYCLE...
  • Page 30: Refrigerant Flow Diagram

    MODEL:AUD-48UX6SPHH、AUD-60UX6SPHH AUC-48UX6SPFA、AUC-60UX6SPFA 4-Way valve Stop valve(3/4) A ccumulator Stop valve(3/8) Strainer Strainer Remark: cooling cycle heating cycle...
  • Page 31: Evacuation Procedures

    Evacuation procedures: EVACUATION PROCEDURES Connect the refrigerant pipes (both the liquid and gas 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).
  • Page 32: Evacuation Direction

    4-3. Evacuation direction: MAX. Refrigerant pipe length and height difference: AUD-36UX4SAMH AUD-18UX4SGKL AUC-36UX4SAEA AUC-18UX4SGAA AUD-24UX4SZLH AUC-24UR4SAEA1 AUC-18UR4SZAA1 AUC-24UX4SZEA AUC-36UR4SAEA1 AUD-18UX4SZKL1 AUD-24UX4SALH1 AUD-36UX4SAMH1 Pipe length Height difference 7.5m AUD-48UX6SPHH AUD-60UX6SPHH AUC-48UX6SPFA AUC-60UX6SPFA Pipe length Height difference *Do your best to reduce the pipe length. Long pipe may cause capacity of the indoor unit incline.
  • Page 33: 5.Electrical Data

    5-1.Electrical wiring diagrams INDOOR:AUD-18UX4SKL Electrical Wiring Diagram 1465113.A Red Connector(High Static Pressu re ) White Connector(Low Static Press ure ) Coil Sensor CN24 Coil Room Sensor Fan Motor CN10 CN23 Room Fan_Pro Trans Fan-N Fan Capacitor White CN12 White Trans CN25 Transformer Disp...
  • Page 34 AUD-24UX4SLH: AUD-24UX4SLH Electric wiring diagram 1468270. B Red connector(80Pa) White connector ( 50Pa ) Coil temperature sensor CN24 COIL CN10 Room temperature sensor CN23 Fan motor ROOM Fan capacitor TRANS Transformer CN25 DISP CN12 Display board TRANS Main control CN22 board Water level switch WATER...
  • Page 35 AUD-36UX4SAMH Electric wiring diagram 1468270. B Red connector(80Pa) White connector ( 50Pa ) Coil temperature sensor CN24 COIL CN10 Room temperature sensor CN23 ROOM Fan motor Fan capacitor TRANS Transformer CN25 DISP CN12 Display board TRANS Main control board CN22 Water level switch WATER Wire remote...
  • Page 36 AUC-18UX4SAA...
  • Page 37 AUC-18UR4SAA1 1508920. B Electric wiring diagram Coil temperature sensor CN24 COIL CN10 Room temperature sensor AC FAN CN23 Fan motor ROOM Fan capacitor CN14 TRANS RY-HEAT Transformer CN25 DISP WHITE CN12 Display board TRANS Main control board CN22 Water level switch WATER Wire remote CN18...
  • Page 38 AUC-24UR4SEA1、AUC-36UR4SEA1: Electric wiring diagram 1468272.A Display board CN25 Room temperature sensor TRANS CN23 ROOM Coil temperature sensor CN24 COIL Transformer Wire remote CN12 CN18 controller TRANS WIRED CON CN22 Water level switch WATER Main control board Dc fan motor power board Pump motor Motor VDC (CN5.6)
  • Page 39: Electric Wiring Diagrams

    OUTDOOR: AUW-18U4SG ELECTRIC WIRING DIAGRAM 1466720.B POWER TERMINAL PANEL FILTER 1(L) AC L IN AC FAN AC N IN 2(N) EARTH 3( ) INDUCTOR AC L OUT YEL/GRN AC N OUT YEL/GRN CONNECTION TERMINAL PANEL 1(L) 2(N) CN25.1 CN7.1 CN25.2 SI-A(CN15) CN7.2 CN25.3...
  • Page 40 AUW-24U4SZ AUW-24U4SZ ELECTRIC WIRING DIAGRAM 1466882.A POWER TERMINAL PANEL FILTER AC L IN 1(L) AC FAN 4.0UF/450V 2(N) AC N IN EARTH 3( ) INDUCTOR AC L OUT YEL / GRN AC N OUT YEL/GRN CONNECTION TERMINAL PANEL 1(L) 2(N) CN25.1 CN301.1 CN25.2...
  • Page 41 AUW-24U4SA1、AUW-36U4SA1 E lectric W iring D iagram 1519694.A COMPRESSOR YEL/GRN DC motor CN100 CN101 CN102 POWER TERMINAL FILTER PANEL LOUT1 CN200 L CN28 CN12 TEST VALUE DC FAN CN201 N NOUT CN10 CN11 CN14 CN22 CN23 CN20 ELECTROLYTIC CAPACITOR CN104 N CN201 CN26 CN103 P...
  • Page 42 AUW-48U6SP、AUW-60U6SP Electric Wiring Diagram 1469932.A Power terminal panel CN24 FUSE1 Filter CN23 FUSE2 Board CN22 Driver Board CN10 ACIN 3N ~ 380V 50Hz CN13 CN14 CN15 YEL/GRN YEL/GRN CN25 CN18 CN19 CN20 CN21 RED WHT BLU Inductor YEL/GRN Tranformer Compressor Terminal panel 1(L) CN10...
  • Page 43: Electric Control

    5-2. Electric control 1. Indoor control board for indoor unit 、 、 、 、 AUD-18UX4SKL AUD-24UX4SLH AUC-24UX4SEA AUD-36UX4SMH AUC-36UX4SEA、AUD-48UX4SHH、AUC-48UX4SFA、AUD-60UX4SHH、AUC-60UX4SFA Transformer Pump motor Fan protector AC fan motor Fan N line Step motor AC N IN AC L IN Communication Transformer Outside input Water level switch...
  • Page 44 2) AUC-18UX4SAA Room Coil Communication Water level Wiring remote Fan motor Pump motor sensor sensor Test signal switch controller Transformer AC N IN Step motor AC L IN Outside input To display board Transformer 3) AUD-18UX4SKL1、AUC-18UR4SAA1、AUC-24UR4SEA1、AUC-36UR4SEA1 Transformer Pump motor Fan protector AC fan motor Fan N line Step motor...
  • Page 45 4) AUD-24UX4SLH1、AUD-36UX4SMH1 Outside input DC Fan motor Test Step motor Earth Water level switch AC N IN To display board AC L IN Room sensor Communication Pump motor Wiring remote signal controller Coil sensor 2.Control board for outdoor unit 1) CONTROL BOARD(AUW-18U4SG)...
  • Page 46 CONTROL BOARD(AUW-24U4SZ) AC fan motor Heater N N OUT Earth AC N IN 4-way valve AC L IN Heater L Communication SI IPM-SI Communication N IPM power High pressure switch Liquid and Gas Sensor Electric expansion valve Outdoor/suction/coil Sensor Overload protection switch Discharge Sensor...
  • Page 47 CONTROL BOARD(AUW-36U4SA) 4-way valve Heater N 4-way valve N OUT Heater L AC N IN AC fan motor Earth AC L IN Electric expansion valve Communication SI IPM power IPM-SI Communication N AC L OUT Suction Sensor High pressure switch Outdoor Sensor Discharge Sensor Low pressure switch...
  • Page 48 CONTROL BOARD(AUW-48U6SP、AUW-60U6SP) Heater N Transformer Up fan motor Down fan motor POWER IN 4-valve AC contactor Heater L Transformer Communication N Communication SI Coil/defrost Sensor High pressure switch IPM-SI Outdoor Sensor Electric expansion valve Low pressure switch Suction sensor Discharge sensor...
  • Page 49 CONTROL BOARD(AUW-18U4SZ1、AUW-24U4SA1、AUW-36U4SA1) Heater N 4-way valve N OUT Heater L AC N IN Earth AC L IN Electric expansion valve Communication SI IPM power IPM-SI Communication N AC L OUT Suction Sensor High pressure switch DC fan motor Outdoor Sensor Discharge Sensor Low pressure switch coil/defrost Sensor...
  • Page 50 6) IPM Board(AUW-18U4SG) To Electrolytic Capacitor + To PFC Inductor-2 AC L IN To PFC Inductor-1 To Electrolytic Capacitor - AC N IN IPM Power To Compressor W To Compressor V To Compressor U To Main Control To Electrolytic Board Capacitor + (AUW-24U4SZ / AUW-36U4SA) To PFC...
  • Page 51 (AUW-48U6SP、AUW-60U6SP) AC IN-W Compressor W AC IN-V Contactor Compressor U AC IN-U Inductor L2 Compressor V AC IN Inductor L1 Contactor IPM-SI...
  • Page 52 IPM Board(AUW-18U4SZ1、AUW-24U4SA1、AUW-36U4SA1) To PFC To PFC Inductor-1 Inductor-2 To Electrolytic Capacitor + ac L in ac N in To Electrolytic Capacitor - IPM Power To Compressor W To Compressor V To Compressor U To Electrolytic Capacitor + To Main Control Board...
  • Page 53: Sensor Parameter

    5-3. Sensor parameter 1. THE PARAMETER OF OUTDOOR COMPRESSOR DISCHARGE TEMPERATURE SENSOR: (R =187.25K±6.3%;R =3.77K±2.5K;B0/100=3979K±1%) T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 7.47 908.2603 985.5274 1065.1210 -7.84 7.42 855.3955 927.6043 1001.9150 -7.78...
  • Page 54 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 5.46 102.8560 109.1728 115.4734 -5.79 5.41 98.1470 104.1246 110.0855 -5.74 5.37 93.6787 99.3367 104.9778 -5.70 5.33 89.4378 94.7946 100.1342 -5.65 5.29 85.4114 90.4842 95.5398 -5.61...
  • Page 55 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 3.83 16.3784 17.0537 17.7335 -3.96 3.77 15.7839 16.4332 17.0774 -3.95 3.74 15.2139 15.8338 16.4488 -3.92 3.71 14.6673 15.2592 15.8464 -3.88 3.67 14.1430 14.7083 15.2690 -3.84...
  • Page 56 2.47 3.7872 3.8854 3.9837 -2.53 2.44 3.6758 3.7700 3.8643 -2.50 2.47 3.5661 3.6585 3.7512 -2.53 2.50 3.4601 3.5509 3.6419 -2.56 2.53 3.3577 3.4468 3.5362 -2.59 2.56 3.2588 3.3463 3.4341 -2.61 2.58 3.1632 3.2491 3.3353 -2.64 3.0708 3.1551 3.2398 2.61 -2.67 2.9816 3.0643 3.1475...
  • Page 57 2. THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT: ( R =15K±2%; B0/100=3450K±2%) T [℃] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 6.12 60.78 64.77 68.99 -6.16 5.83 57.75 61.36 65.16 -5.88 5.57...
  • Page 58 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN) DR(MAX) 2.40 8.826 9.047 9.269 -2.44 2.48 8.470 8.689 8.910 -2.52 2.57 8.129 8.347 8.567 -2.61 2.66 7.804 8.021 8.240 -2.71 2.76 7.493 7.709 7.928 -2.80...
  • Page 59 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN) DR(MAX) 5.91 1.767 1.880 1.998 -6.01 5.99 1.710 1.820 1.936 -6.04 6.02 1.655 1.763 1.876 -6.13 6.11 1.602 1.707 1.818 -6.15 6.13 1.551 1.654 1.762 -6.23...
  • Page 60 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN) DR(MAX) 8.36 0.4655 0.5083 0.5547 -8.42 8.42 0.4528 0.4946 0.5401 -8.45 8.46 0.4404 0.4814 0.5259 -8.52 8.51 0.4284 0.4685 0.5121 -8.56 8.56 0.4168 0.4561 0.4988 -8.62...
  • Page 61: 6.Control Mode

    ( AUD-18UX4SGKL 、 AUC-18UX4SGAA 、 AUD-24UX4SZLH 、 Indoor control AUC-24UX4SZEA、 AUD-36UX4SAMH、AUC-36UX4SAEA、AUD-48UX6SPHH、AUC-48UX6SPFA、 AUD-60UX6SPHH、AUC-60UX6SPFA、AUC-18UR4SAA1、AUC-24UR4SEA1、AUC-36UR4SEA1、 AUD-18UX4SKL1、AUD-24UX4SLH1、AUD-36UX4SMH1) 1.Major general technical parameters ℃ 1 Conditionings for operation: Ambient temperatures: (-10 - +43 ), relative humidity (45 - 85%). 2 Remote receiver distance: 8 m.
  • Page 62 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。 3.4 Sleep 1.
  • Page 63 3.9 automatically model This model does not automatically model function, emergency button cannot set the automatic mode of operation, can use the emergency switch shutdown, remote setting the automatic mode of indoor machine with remote signal. (except AUC-18UX4SGAA、AUC-24UX4SZEA、AUD-18UX4SGKL、 AUD-24UX4SZLH) 3.10 Dehumidifying method: Remote control setting dehumidifying mode, indoor machine forced to run at low speed(high power...
  • Page 64 Outdoor mode control ( AUW-18U4SG 、 AUW-24U4SZ 、 AUW-36U4SA 、 AUW-48U6SP 、 AUW-60U6SP、AUW-18U4SZ1、AUW-24U4SA1、AUW-36U4SA1) Summarization 1.1This direction applies to multi-type and DC variable frequency air conditioner Performance index (AUW-18U4SG 、 AUW-24U4SZ、 AUW-36U4SA、 AUW-18U4SZ1、 AUW-24U4SA1、 AUW-36U4SA1) 1. Voltage scale: 176V~253V,50Hz 2. Storage temperature scale: -40℃~85℃ 3.
  • Page 65 To prevent indoor air conditioner evaporator temperature is too low, the indoor coil sensor for real time detection of evaporator. If the indoor coil temperature is too low, the compressor will protect. 2.2 Overload Protection Air can heat exchanger temperature sensor for monitoring, when the sensor when the temperature is too high, the compressor will be automatic protection 2.3 Exhaust temperature protection To prevent deterioration due to high exhaust temperature of compressor, the machine will realize...
  • Page 66 2.8 Pressure Protection: When the pressure increases to a preset value, the pressure switch will automatically protect. Compressor will stop and report the fault code protection.
  • Page 67: Indoor

    7.TROUBLE SHOOTING 1. Outdoor error code When the failure happens in the indoor unit or the outdoor unit, after the compressor turns off ,the outdoor control board will display the following error code: sheet 1 outdoor error code error error the root cause may be one of how to deal with code...
  • Page 68 7.TROUBLE SHOOTING 2.The compressor power cord wiring diagram; connect loose; 3.Replace the AC contactor; 3.The AC contactor is fault; 4.Replace the compressor. 4.The compressor is fault 1.Replace the U phase power cord or 1.Compressor U phase power cord reconnect the U phase power cord U phase current is fault or connect wrong;...
  • Page 69 7.TROUBLE SHOOTING temperature temperature sensor connect loose; discharge temperature sensor; sensor fault 2.The discharge temperature 2.Replace the discharge temperature sensor is failure; sensor; 3.The sampling circuit is abnormal 3.Replace the outdoor control board. 1.The AC voltage>275V or <160V. 1. Normally protection, please check voltage 2.The voltage...
  • Page 70 7.TROUBLE SHOOTING 3.The sampling circuit abnormally 1. The wiring of the sensor for the expansion valve A(thick tube) 1. Reconnect the wiring of the sensor sensor connect loose; for the expansion valve A(thick tube); expansion 2.The sensor of the expansion Replace sensor valve A (...
  • Page 71 7.TROUBLE SHOOTING fault 2.The low-pressure pressure 2.Replace the low-pressure pressure sensor is failure sensor; 3.The sampling circuit 3.Replace the outdoor control board. low-pressure pressure sensor is failure. 1.Reconnect the wiring of the drive board; 2.Reconnect the wiring of the drive board;...
  • Page 72 7.TROUBLE SHOOTING fan motor is failure; the outdoor fan can run normally. 5. The outdoor fan has been blocked. 1. Normally protection; 1.The outdoor ambient is too high; 2. Check the fan capacitor, and 2. The speed of the out fan motor is The unit turn off too low if the fan motor is AC fan replace the fan capacitor if it is...
  • Page 73 7.TROUBLE SHOOTING 2 Indoor unit error code: When the failure happens in the indoor unit or the outdoor unit, after the compressor turns off, when you press the sleep button of the remote control for 4 times, the indoor display board will display the following error code, if the indoor unit installs with the wire control device, the error code will display on the wire control device directly: sheet 2 indoor error code list error...
  • Page 74 7.TROUBLE SHOOTING 5. The outdoor control board is failure. 1.The cable of the humidity sensor connect Reconnect cable humidity loose; humidity sensor; sensor fault 2.The humidity sensor is failure; 2. Replace the humidity sensor; 3. The indoor control board is failure. 3.Replace the indoor control board.
  • Page 75 7.TROUBLE SHOOTING The address of 1. Reset the address of the indoor unit 1. Two or more two indoor units has set the indoor unit and it should avoid the address with the same address repeat fault repeat. The address of 1.
  • Page 76 7.TROUBLE SHOOTING 3. Replace the indoor control board. 1.Reconnect cable 1. The cable of the temperature sensor of temperature sensor of the inlet tube temperature the inlet tube of the evaporator is failure; of the evaporator; sensor 2. The temperature sensor of the inlet tube 2.
  • Page 77 7.TROUBLE SHOOTING and the indoor wrong; board; control board 3.The wiring between the display board to 3. Replace the wiring between the fault the indoor control board is failure; display board to the indoor control 4. The display board is failure; board;...

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