Haier GE Appliances 1U24TL2HFA, Service Manual

Page 1: ... 1 Safety Precautions Introduction 3 Outdoor Unit Controls and Components 7 Indoor Unit Controls and Components 13 Sequence of Operation 19 System Specifications 28 Error Codes and Troubleshooting 29 Reference Information 62 Indoor AW24TL2HFA AW30TL2HFA AW36TL2HFA ASYW24TRDFA ASYW30TRDFA ASYW36TRDFA Outdoor 1U24TL2HFA 1U3036TL2HFA ASH124TRDFA ASH3036TRDFA Table of Contents ...

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Page 3: ...RODUCTION PAGE 3 ENGLISH Safety Precautions 4 Warnings and Cautions 4 Introduction 5 Introduction to the System 5 Specifications for Proper Operation 5 System Fundamentals 5 Introduction Table of Contents ...

Page 4: ... an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire Use the specified types of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnecting wires so their receive no external stresses Incomplete connections or clamping may cause terminal over heating or ...

Page 5: ...installed condensate pump may be added to the system Always follow the manufacturer s installation instructions when installing a condensate pump Proper clearances at both indoor and outdoor units must be maintained Improper clearances cause incorrect refrigerant pressures and coil freezing System Fundamentals The indoor unit will sense room temperature at the point where the wall unit is installe...

Page 6: ...INTRODUCTION PAGE 6 ENGLISH This page intentionally left blank ...

Page 7: ...ssor 10 Outdoor Fan Motor 10 Discharge Temperature Sensor 11 Defrost Temperature Sensor A 11 Defrost Temperature Sensor B 11 Ambient Temperature Sensor 11 Suction Line Temperature Sensor 11 Oil Separator 11 4 Way Valve 12 Electronic Expansion Valve 12 Accumulator 12 Refrigerant Strainers 12 GAS Liquid Segregator 12 Outdoor Unit Controls and Components Table of Contents ...

Page 8: ...atures throughout the system to manage operational decisions 4 Way Valve Accumulator Compressor Defrost Temperature Sensor Discharge Temperature Sensor Electronic Expansion Valve Refrigerant Strainers Ambient Temperature Sensor Fan Motor Power Factor Reactor Suction Line Temperature Sensor Terminal Block Main Control Board PCB Module Control Board IPM Fan Blade GAS Liquid Segregator Oil Separator ...

Page 9: ... CN18 CN20 CN31 connections for temperature sensors 7 CN4 Communication connection between the indoor board and the outdoor board 3 CN16 Connector for the electronic expansion valve 11 CN22 Connector for DC POWER 15V and 5V to the IPM 9 CN21 Connector for fan motor 5 CN49 Connector for COMP heater 13 CN38 Connector for diagnostic port 14 RV1 RV2 RV3 Varistor 15 CN10 5 VDC and 15 VDC power signal f...

Page 10: ...ces between the indoor unit and outdoor unit wire connection 3 This wire is used to carry communication data between the indoor and outdoor units A wiring splice where wires are twisted in a wire nut may cause deformation of the communication signal If communication is lost between the indoor and outdoor units an ERROR CODE E7 will occur See Page 36 The fan motor is a variable speed motor The requ...

Page 11: ... of the compressor hot gas and will make inverter speed changes in response to input from this device This sensor connects to the Main Control Board at PLUG CN 20 The Suction Line Temperature Sensor is a negative coefficient thermistor that senses the temperature of the suction line The PCB monitors the temperature of the suction line and the EEV operation to maintain an acceptable superheat This ...

Page 12: ... indoor and outdoor coils When de energized in COOL MODE the valve will direct the refrigerant hot gas to the outdoor coil When energized in HEAT MODE the valve will direct the hot gas to the indoor coil The valve flow direction capability is controlled by an electrical solenoid When energized with 230 VAC the solenoid will magnetically move an internal slide within the 4 Way Valve to change the d...

Page 13: ...Component Identification 14 Indoor Control Board 15 Terminal Block 16 Display 16 Ambient Temperature Sensor 16 Piping Temperature Sensor 16 Stepper Louver Motor 17 Fan Motor 17 Emergency Button 17 DIP Switch and DIP Switch Settings 18 Indoor Unit Controls and Components Table of Contents ...

Page 14: ...ws down with changes in demand moving louvers to direct air indoor air temperature sensing evaporator coil temperature sensing a status display evaporator coil with metering device located in outdoor unit and an emergency ope ration button Ambient Temperature Sensor Display Fan Motor Louver Motor PCB 1 2 3 4 5 Piping Temperature Sensor Terminal Block Emergency Button Louver Motor 6 7 8 9 Indoor Un...

Page 15: ...or for occupancy sensor CN14 Connector for forced operation ON OFF switch 13 CN38 Connector for diagnostic port CN9 Connector for fan motor 1 CN7 Connector for display board 8 CN21 Connector for power N 5 CN34 Connector for wired controller interface 12 15 16 CN5 1 Connector for UP DOWN STEP motor 1 3 CN35 Connector for WiFi module 10 CN27 Connector for GND 7 14 JS Select remote code A or B J6 Sel...

Page 16: ...des error codes indoor air temperature timer status and power status The Ambient room Temperature Sensor is a negative coefficient thermistor that will decrease in resistance with increases in room air temperature The sensor is located on a clip mounted in the return air stream The sensor connects to the control board at Plug CN 6 The Piping Temperature Sensor is a negative coefficient thermistor ...

Page 17: ... connected to the indoor control board via PLUG CN 9 If the remote control is non functional the Emergency Button can be used 73F 78F degrees will be maintained until commands are received via the remote control The STEPPER MOTOR 1 and 2 moves the louver up or down depending upon selections made at the remote control The motor is connected to the indoor control board at CN5 and CN5 1 Stepper Motor...

Page 18: ...d the user wishes to control them separately switch J5 of the second unit is set to the disconnected state for code B operation The wireless remote for the second unit is also set to code B J6 Selects room card able or disable Normally set to connected state Set to the disconnected state when used in conjunction with a room card interface utilized in hotel rooms SW 1 and SW 2 Selects EEPROM codes ...

Page 19: ...on 22 Outdoor Unit 22 Outdoor Temperature Sensors 22 Call to Terminate Heating 22 Auto Mode 23 Dry Mode 23 Overview 23 Indoor Unit 23 Indoor Temperature Sensors 23 Communication 23 Outdoor Unit 23 Outdoor Temperature Sensors 23 Defrost Operation 24 Protection Functions 24 High Temperature Protection 24 Overheating Protection for Indoor Unit 24 Compressor Over Current Protection 24 Anti freeze Prot...

Page 20: ...or fan The indoor unit fan will continue to run If the system detects a malfunction it may shut down or show an error code This code will be shown on the indoor display board or a flashing LED will appear on the outdoor PCB Indoor Unit The signals received by the infrared receiver are relayed to the main board of the indoor unit to turn the system on and set it to cool mode The indoor unit PCB wil...

Page 21: ...Speed Tr Ts 4 F When the indoor fan is running in automatic mode when the speed switches from high to low the indoor fan will maintain high speed for a period of 3 minutes before switching to low speed Cold Air Proof Operation At initial start of heat mode indoor blower will not be turned on immediately until indoor coil temperature senses a mini mum temperature This period usually takes 30 second...

Page 22: ...ill vary with tempera ture The resistance to temperature values can be found using a temperature resistance chart specific to the sensor being checked Communication The indoor and outdoor unit main boards communicate via a digital signal on the wire connected to terminal 3 of each unit A splice or break in this wire will cause a communication error When a command is received from the remote contro...

Page 23: ...n motor has a feedback circuit which provides the main board with information for controlling the speed of the fan motor Indoor Temperature Sensors The indoor unit has two sensors that provide temperature information to the PCB An ambient temperature sensor and pipe temperature sensor are used for controlling the system during dry mode The resistance values of the sensors will vary with temperatur...

Page 24: ...mpressor discharge pipe sensor exhaust temp senses the temperature of the refrigerant exiting the compres sor The sensed temperature received from the sensor by the control circuitry will cause the compressor frequency to increase or decrease see chart below If a temperature of 230 F is sensed for 20 seconds an exhaust overheating protection error code will be indicated at the outdoor unit Abnorma...

Page 25: ...nimum of 3 minutes When Min Tpg_indoor Tpg4 the compressor will restart 59 F ice_temp_3 5 46 F ice_temp_3 2 43 F Decreasing slowly Decreasing rapidly ice_temp_1 Stop Keeping the frequency Increasing slowly 32 F 37 F 41 F 43 F 48 F Special Functions Auto Restart When this is enabled the following functions will automatically resumes after a power loss ON OFF State Mode of Operation Fan Speed Temper...

Page 26: ...hether the e star installation program is required 1 If CC is displayed alternately on the dual 8 display boards of the indoor unit during the initial power on it indicates that the machine can be used normally only after confirmation of the e STAR installation program 2 If CC is not displayed alternately on the dual 8 display boards of the indoor unit during the initial power on the e STAR instal...

Page 27: ... ring temperature is less than 10 degrees Check Parameters Suction Temp Exhaust Temp IDU Coil Temp IDU Outlet Temp AW24TL2HFA 10 C 55 C 70 C 4 C 10 C 6 C 14 C AW30TL2HFA 10 C 65 C 75 C 4 C 10 C 6 C 14 C AW36TL2HFA 10 C 68 C 78 C 4 C 10 C 6 C 14 C B The outer ring temperature is greater than 10 degrees and less than 30 degrees Check Parameters Suction Temp Exhaust Temp IDU Coil Temp IDU Outlet Temp...

Page 28: ...A 30 30 30 Minimum Circuit Amp A 27 27 27 Outdoor Noise Level dB 68 68 68 Dimension H x W x D in mm 30 762 x 36 1 4 920 x 15 1 8 385 30 762 x 36 1 4 920 x 15 1 8 385 30 762 x 36 1 4 920 x 15 1 8 385 Weight Ship Net lbs kg 165 145 75 65 5 165 145 75 65 5 165 145 75 65 5 Indoor Unit Fan Speed Stages 5 5 5 Indoor Motor Speed Turbo High Med Low Quiet 1150 1100 950 800 700 1200 1150 975 800 700 1250 12...

Page 29: ... 42 F25 LED1 13 Flash 42 E1 LED1 No Flash 42 E2 LED1 No Flash 42 F8 LED1 9 Flash 45 F11 LED1 18 Flash 47 F12 LED1 1 Flash 49 E5 LED1 22 Flash 50 E7 LED1 15 Flash 53 Indoor Error Code E14 57 Checking System Components 60 Checking Outdoor Unit Components 60 Checking the Outdoor Unit Sensors 60 Checking the Reversing Valve Coil 60 Checking the DC Fan Motor 60 Checking the EEV Coil 60 Checking the Com...

Page 30: ...T WIRING DIAGRAM 0011509127A OUTDOOR UNIT WIRING DIAGRAM COMPRESSOR B Y G 1 2 3 C N L BL BR BR BR BL Y G Y G 0011520512 ElectricalShockHazard Capacitorretainschargea er voltageatcapacitorhasdissipated 10VDC withhandheldvoltmeter beforeservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelv...

Page 31: ...ground There is a pulsing 0 to 80 VAC between terminal strip connections 1 N and 3 C There is 230 VAC at terminals CN17 and CN21 on the PCB and the LED flashes 3 times per second There is 5 VDC at CN6 across both sets of black sensor wires The sensor resistance is within 3 of the value listed in the Service Manual sensor resistance table Wiring and connections are in good condition Check This Firs...

Page 32: ...0 14 59 318 52 100 4 38 5 97 12 79 277 70 REFERENCE INFORMATION PAGE 43 Indoor Board Diagram R Red W White Y Yellow Y G Yellow Green B Black BR Brown BL Blue PIPING TEMP SENSOR 10K AMBIENT TEMP SENSOR 10K POWER BUTTON Notes 1 The dotted parts are optiona l 2 The two pins of CN51 should be shorted when the J6 is cuted off M FUSE1 CN7 T3 15A 250VAC TO OUTDOOR UNIT 1 N C 3 L 2 W B Y G GND CN6 R L CN2...

Page 33: ...9 277 70 REFERENCE INFORMATION PAGE 43 Indoor Board Diagram R Red W White Y Yellow Y G Yellow Green B Black BR Brown BL Blue PIPING TEMP SENSOR 10K AMBIENT TEMP SENSOR 10K POWER BUTTON Notes 1 The dotted parts are optiona l 2 The two pins of CN51 should be shorted when the J6 is cuted off M FUSE1 CN7 T3 15A 250VAC TO OUTDOOR UNIT 1 N C 3 L 2 W B Y G GND CN6 R L CN21 N COMM CN51 CN9 CN17 CN23 CN35 ...

Page 34: ...TL2HFA ASH124TRDFA ASH3036TRDFA Yes No No Yes Yes No Start Cycle power to the outdoor unit Does LED1 flash 2 times before the compressor starts Compressor runs for 10 min and stops with LED in center of PCB flashing 2 times DC voltage from P U P V P W is 150 160VDC DC voltage from N U N V N W 150 160VDC Replace IPM Replace IPM Normal operation Check coil cleanliness EEV operation compressor windin...

Page 35: ...ol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC àl aided unvoltmètremanuel Le voyantLED2entreCN24etCN26doitêtre éteint Error Codes and Troubleshooting Error Code F1 LED1 2 Flash Wiring Di...

Page 36: ... and back on compressor exceeds over current point in Service Manual There is pulsing 50 200 VAC at compressor terminals U V and W read from the terminal solder points on the IPM There is 264 373 VDC at P and N on the IPM Change set temperature Error Code Indoor Outdoor F2 LED1 24 Flash Overcurrent of the Compressor Complete the Check This First Flow Chart before continuing Models AW24TL2HFA AW30T...

Page 37: ...N24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC àl...

Page 38: ...ith a call for Heating or Cooling Across pins 1 2 5VDC Across pins 2 3 15VDC Yes Yes Yes No Yes No Yes No Check incoming power from building Replace PCB Replace PCB Replace fuse Replace CN9 and CN10 wiring harness Replace module power wiring harness Replace PCB Replace IPM Fuse 1 is OK Line voltage at AC L OUT AC N OUT on the PCB CN8 CN9 Error Code Indoor Outdoor F3 LED1 4 Flash Communication Faul...

Page 39: ...CN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC à...

Page 40: ...n the discharge sensor climbs to 230 F within a short time and the compressor stops With system on the discharge sensor climbs to 230 F after several minutes and the compressor stops Turn power off for 20 min to allow the discharge line to cool Refrigerant static test system off for 20 min indicates head pressure converted to temperature is higher than ambient Error Code Indoor Outdoor F4 LED1 8 F...

Page 41: ...ol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC àl aided unvoltmètremanuel Le voyantLED2entreCN24etCN26doitêtre éteint Error Codes and Troubleshooting Error Code F4 LED1 8 Flash Wiring Di...

Page 42: ...HFA 1U3036TL2HFA ASH124TRDFA ASH3036TRDFA Yes Yes Yes Yes No No No No Re seat connector Replace sensor Go to next step to test the board as well before replacing sensor Replace main board Replace sensor as well if resistance was incorrect in the previous step Re seat and re check sensor resistance with a different meter Replace sensor Start Is connector plugged in and seated securely Disconnect po...

Page 43: ...argea er voltageatcapacitorhasdissipated 10VDC withhandheldvoltmeter beforeservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla...

Page 44: ...calShockHazard Capacitorretainschargea er voltageatcapacitorhasdissipated 10VDC withhandheldvoltmeter beforeservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Leco...

Page 45: ... voltage at fan motor plug CN21 between the Pin 6 BLUE and Pin 3 BLACK wire while spinning the fan motor Does it generate 2 9VDC No No No Replace the main board Replace the main board Replace the main board Measure DC voltage at fan motor plug CN21 between Pin 1 RED and Pin 3 BLACK Does it measure 300 380VDC 10 Measure DC voltage at fan motor plug CN21 between Pin 4 WHITE and Pin 3 BLACK Does it m...

Page 46: ...entreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC àl aided unvoltmètremanuel Le voyantLED2entreCN24etCN26doitêtre éteint Error Codes and Troubleshooting Error Code F8 LED1 9 Flash Wiring Diagram Reference Outdoor Board Diagram 09K 12K 18K OUTDOOR UNIT WIR...

Page 47: ...s the U V and W solder points on the IPM The compressor wires are on the correct terminals free of breaks and the connections at both end are secure There is substantially more than 5 VDC or 15 VDC pulsing at CN23 on the PCB Yes Yes Yes Yes No No Error Code Indoor Outdoor F11 LED1 18 Flash Loss of Compressor Synchronization Complete the Check This First Flow Chart before continuing Models AW24TL2H...

Page 48: ...N24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantaucondensateurs estdissipé 10VCC àl...

Page 49: ...UNIT WIRING DIAGRAM 0011509127A OUTDOOR UNIT WIRING DIAGRAM COMPRESSOR B Y G 1 2 3 C N L BL BR BR BR BL Y G Y G 0011520512 ElectricalShockHazard Capacitorretainschargea er voltageatcapacitorhasdissipated 10VDC withhandheldvoltmeter beforeservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobre...

Page 50: ...is There is DCV at the motor PCB connections RD to BK 310 334VDC There is DCV at the motor PCB connections WH to BK 15VDC There is DCV at the motor PCB connections YL to BK 1 4VDC running 0 when off There is DCV at the motor PCB connections BL to BK 4 8VDC running 14VDC when off Is the EEV coil properly seated and the coil resistance correct The refrigerant charge has been verified against the nam...

Page 51: ...CN4 CN3 CENTRALIZED CONTROLLER SW2 OFF OFF OFF OFF OFF OFF OFF OFF CN36 Error Codes and Troubleshooting Error Code E5 LED1 22 Flash Wiring Diagram Reference Sensor Resistance Table F C Normal KΩ 10K SENSORS 23K SENSORS 50K SENSORS 0 4 18 75 44 235 90 5494 21 5 0 15 64 30 196 61 4558 19 10 4 12 54 99 164 40 3795 39 14 0 10 49 62 146 15 3365 73 21 2 6 40 58 115 95 2658 81 24 8 4 36 77 103 46 2368 32...

Page 52: ...N36 model 23 code BM1 1 off 2 off model 26 code BM1 1 off 2 on 2 off 30K 30K 36K 36K model 33 code BM1 1 on model 35 code BM1 1 on 2 on Error Code E5 LED1 22 Flash Wiring Diagram Reference Sensor Resistance Table F C Normal KΩ 10K SENSORS 23K SENSORS 50K SENSORS 0 4 18 75 44 235 90 5494 21 5 0 15 64 30 196 61 4558 19 10 4 12 54 99 164 40 3795 39 14 0 10 49 62 146 15 3365 73 21 2 6 40 58 115 95 265...

Page 53: ... broken There is 0 80 VAC fluctuating between 1 N and 3 C at ID UNIT There is 230 VAC at the PCB Across AC L OUT AC N OUT CN9 CN10 There is less than 5 VDC at CN22 module power and GND pins 1 and 2 The voltage between 1 N and 3 C is a fixed value at ID UNIT Go to outdoor PCB No Yes Yes Yes Yes Yes Yes Yes No No Yes Yes No No No LED1 center is off LED2 upper left is lighted With power off disconnec...

Page 54: ...CN34 ROOM CARD CN5 DC FAN MOTOR CN11 DISPLAY BOARD Model selection 24K model 23 code BM1 1 off 2 off 24K model 26 code BM1 1 off 2 on WIRED CONTROLLER UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR CN38 CN27 Y G GND WK B EVAPORATOR ELECTRIC CONTROL BOX COVER GND Y G RJ45 D...

Page 55: ...CN11 DISPLAY BOARD Model selection WIRED CONTROLLER UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR CN38 CN27 Y G GND WK B EVAPORATOR ELECTRIC CONTROL BOX COVER GND Y G RJ45 Diagnostic port CN5 CN1 CN2 SW1 OFF OFF OFF OFF CN3 CN4 CN2 CN6 CN4 CN3 CENTRALIZED CONTROLLER SW2 O...

Page 56: ...capacitorhasdissipated 10VDC withhandheldvoltmeter beforeservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimen...

Page 57: ...UND and L2 to GROUND Re apply power Does the fan come on and spin Measure DC voltage at fan motor plug CN9 between the Pin 7 BLUE and Pin 4 BLACK wire while spinning the fan motor Does it generate 2 9VDC Measure DC voltage at fan motor plug CN9 between Pin 1 RED and Pin 4 BLACK Does it measure 300 380VDC 10 Measure DC voltage at fan motor plug CN9 between Pin 5 WHITE and Pin 4 BLACK Does it measur...

Page 58: ...D Model selection 24K model 23 code BM1 1 off 2 off 24K model 26 code BM1 1 off 2 on WIRED CONTROLLER UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR CN38 CN27 Y G GND WK B EVAPORATOR ELECTRIC CONTROL BOX COVER GND Y G RJ45 Diagnostic port CN5 CN1 CN2 SW1 OFF OFF OFF OFF CN...

Page 59: ...R UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR CN38 CN27 Y G GND WK B EVAPORATOR ELECTRIC CONTROL BOX COVER GND Y G RJ45 Diagnostic port CN5 CN1 CN2 SW1 OFF OFF OFF OFF CN3 CN4 CN2 CN6 CN4 CN3 CENTRALIZED CONTROLLER SW2 OFF OFF OFF OFF OFF OFF OFF OFF CN36 model 23 code ...

Page 60: ... at the conclusion of the test NOTE Resistance readings shown in this section are for reference only Model Winding Resistance 24K 0 53 Ω 30K 0 53 Ω 36K 0 53 Ω Checking Outdoor Unit Components Testing of the following components requires the use of needle probes Avoid testing the connector end of the plug as damage to the internal sections of the plug can occur Checking the Outdoor Unit Sensors NOT...

Page 61: ...ep 3 Check the resistance value of the sensor Step 4 Referring to the temperature resistance table for the sensor being checked verify the resistance value corresponds to the temperature checked in step 2 Replace the sensor if the reading is open shorted or outside the specifications of the temperature resistance table Step 5 Re seat the plug on the connector at the conclusion of the test Checking...

Page 62: ...ORMATION PAGE 62 ENGLISH Outdoor Board Diagram 63 Indoor Board Diagrams 64 Room and Coil Sensor Tables 66 Ambient Defrosting Pipe Sensor Tables 69 Discharging Sensor Tables 72 Reference Information Table of Contents ...

Page 63: ...oreservicing LED2light betweenCN24andCN26shouldbe RiesgodeDescargaEléctrica Elcapacitorre enecargaunavez voltajedelcapacitorsehayadisipado 10V DC apoyandolamanosobreelvol metro antesderealizarelserviciotécnico Laluz LED2queseencuentraentreCN24yCN26 deberáestarapagada Risquedechocélectrique Lecondensateurconservesachargeaprèsla coupuredel alimenta onélectrique Avant deprocéderàunerépara courantauco...

Page 64: ... L CN21 N COMM CN51 CN9 CN17 CN23 CN35 CN34 ROOM CARD CN5 DC FAN MOTOR CN11 DISPLAY BOARD Model selection 24K model 23 code BM1 1 off 2 off 24K model 26 code BM1 1 off 2 on WIRED CONTROLLER UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR CN38 CN27 Y G GND 0011520511A WK B E...

Page 65: ...N23 CN35 CN34 ROOM CARD CN5 DC FAN MOTOR CN11 DISPLAY BOARD Model selection 30K model 23 code BM1 1 off 2 off 30K model 26 code BM1 1 off 2 on 36K model 33 code BM1 1 on 2 off 36K model 35 code BM1 1 on 2 on WIRED CONTROLLER UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI CN14 Notes Before replacing the board it is necessary to ensure that the machine is matched with the board code CN56 HUMAN SENSOR C...

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Page 71: ...4 2 83 2 63 169 76 1 7434 1 6021 1 4710 2 88 2 67 171 77 1 6913 1 5528 1 4243 2 92 2 71 172 78 1 6409 1 5051 1 3794 2 97 2 75 174 79 1 5923 1 4592 1 3360 3 02 2 80 176 80 1 5454 1 4149 1 2942 3 07 2 84 178 81 1 5000 1 3721 1 2540 3 12 2 88 180 82 1 4562 1 3308 1 2151 3 17 2 93 181 83 1 4139 1 2910 1 1776 3 22 2 97 183 84 1 3730 1 2525 1 1415 3 27 3 01 185 85 1 3335 1 2153 1 1066 3 32 3 06 187 86 1...

Page 72: ... 6388 2 93 2 44 16 6 27 11885 1336 9847 724 8152 2338 2 92 2 43 14 8 26 11096 6531 9212 8101 7641 8972 2 91 2 42 13 25 10365 4565 8622 8491 7166 7474 2 9 2 42 11 2 24 9687 027 8074 3787 6724 1389 2 88 2 41 9 4 23 9057 2314 7564 2244 6311 6413 2 87 2 41 7 6 22 8472 2852 7089 4741 5927 0206 2 86 2 4 5 8 21 7928 7217 6647 4547 5568 2222 2 84 2 39 4 20 7423 3626 6235 7109 5233 3554 2 83 2 39 2 2 19 69...

Page 73: ... 850 6086 761 0603 680 3265 2 24 2 02 64 4 18 807 3024 723 4134 647 658 2 22 2 66 2 19 766 4212 687 8205 616 7252 2 2 1 99 68 20 727 8172 654 1596 587 4271 2 18 1 98 69 8 21 691 3524 622 3161 559 6694 2 16 1 96 71 6 22 656 8979 592 1831 533 3634 2 14 1 95 73 4 23 624 3328 563 6604 508 4261 2 12 1 93 75 2 24 593 5446 536 654 484 7796 2 1 1 92 77 25 564 4275 511 076 462 351 2 09 1 9 78 8 26 536 9865...

Page 74: ...69 1 2 1 17 150 8 66 89 0211 85 0614 81 2048 1 18 1 15 152 6 67 85 4976 81 7908 78 1744 1 15 1 12 154 4 68 82 1303 78 6615 75 2715 1 13 1 1 156 2 69 78 9116 75 6668 72 4902 1 1 1 08 158 70 75 8343 72 8004 69 8249 1 08 1 06 159 8 71 72 8916 70 0561 67 2703 1 05 1 03 161 6 72 70 077 67 4283 64 8213 1 03 1 01 163 4 73 67 3844 64 9115 62 4731 1 0 99 165 2 74 64 808 62 5006 60 2211 0 98 0 96 167 75 62 ...

Page 75: ...114 16 9023 15 8542 14 8577 2 15 2 04 239 115 16 401 15 3696 14 3902 2 19 2 08 240 8 116 15 9167 14 902 13 9394 2 23 2 12 242 6 117 15 4489 14 4506 13 5047 2 27 2 16 244 4 118 14 9968 14 0149 13 0855 2 32 2 19 246 2 119 14 5599 13 5942 12 6811 2 36 2 23 248 120 14 1376 13 1879 12 2909 2 41 2 27 249 8 121 13 7294 12 7955 11 9144 2 45 2 31 251 6 122 13 3347 12 4165 11 551 2 5 2 35 253 4 123 12 9531 ...

Page 76: ...REFERENCE INFORMATION PAGE 76 ENGLISH DIP Switch Settings This page intentionally left blank ...

Page 77: ...Haier America Wayne NJ 07470 2022 Haier America Trading LLC Rev Mar 2022 Model AW24TL2HFA AW30TL2HFA AW36TL2HFA ASYW24TRDFA ASYW30TRDFA ASYW36TRDFA 1U24TL2HFA 1U3036TL2HFA ASH124TRDFA ASH3036TRDFA ...