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Model:
: HRF422TW1
: HRF422TS1
SERVICE MANUAL
Specifications -------------------------1
Circuit Diagram------------------------6
Refrigerant Circuit--------------------9
Replacement of Parts---------------10
Control function-----------------------20
Trouble shooting---------------------22
Contents
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Table of Contents
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Summary of Contents for Haier HRF422TW1
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Page 1: Table Of Contents
SERVICE MANUAL Model: : HRF422TW1 : HRF422TS1 Contents Specifications -------------------------1 Circuit Diagram------------------------6 Refrigerant Circuit--------------------9 Replacement of Parts---------------10 Control function-----------------------20 Trouble shooting---------------------22... -
Page 2: Specifications
Specifications 1-1) Specific parts for specific countries Item Power Source Model Destination Power Cord (Voltage-ac / Hz) HRF422TW1 (AU/NZ) Australia/New Zealand (AU/NZ) 220-240V 50Hz O3 (Australia PLUG) HRF422TS1 (AU/NZ) Australia/New Zealand (AU/NZ) 220-240V 50Hz O3 (Australia PLUG) PRINTED : JUNE’2015... - Page 3 P a g e 1-2) Product Model HRF422TW1,HRF422TS1 Classification 2 Doors No Frost Temperature Control Electronic control Defrost System Automatic Drain System Automatic (Heat by transfer from the Condenser) Evaporator Fined Evaporator Condenser Pipe Condenser Cabinet Rigid Polyurethane Foam ( Cyclopentane )
- Page 4 P a g e 1-3) Electrical Parts Compressor Model TU1114Y Electrical data Input: 220-240V 50Hz Connection Connector CN6 on main PCB Between circuit 1(Bl) Connector CN5on main PCB Between circuit 1(Br) Resistance Main : 20.4Ω(±10%) at 25°C Auxiliary: 21.2Ω(±10%) Compressor ACC Model QP3-12A Starting Relay...
- Page 5 P a g e 1-3) Electrical Parts Defrost sensor Model ‐ <NTC Thermister> Resistance value Electrical data 0℃：6.0±3%KΩ 25 ：2.18±3%KΩ Connection Connector CN3 on PCB Between circuit 6(R) – 7(R) R-Sensor Model ‐ <NTC Thermister> Resistance value Electrical data 0℃：6.0±3%KΩ 25 ：2.18±3%KΩ Connection Connector CN1 on PCB Between circuit 8(W) –9 (W)
- Page 6 P a g e 1-3) Electrical Parts F-LED Model F‐ Freeze LED lights Electrical data 3LAMP_12V Connection Connector CN2 on PCB Between circuit 1(Bl) – 2(Br) R-LED Model R‐ Chill LED light Electrical data 13.2V , 2W Connection Connector CN1 on PCB Between circuit 1(P) –2(Gra) PRINTED : JUNE’2015 REF NO.
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Page 7: Circuit Diagram
P a g e Circuit Diagram 2-1 Circuit Diagram PRINTED : JUNE’2015 REF NO. SM7715031-00-11... - Page 8 P a g e 2-2 Reference wiring diagram PRINTED : JUNE’2015 REF NO. SM7715031-00-11...
- Page 9 P a g e 2.3 Rating plate Model : HRF422TS1 Total Volume :HRF422TS1 : 422 L Voltage : 220-240 V Frequency : 50 Hz Current : 1.5 A Power Input : 135 W Defrosting Input : 190 W Refrigerant R600 A : 55 g Net Weight : 81 kg PRINTED : JUNE’2015 REF NO.
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Page 10: Refrigerant Circuit
P a g e Refrigerant Circuit PRINTED : JUNE’2015 REF NO. SM7715031-00-11... -
Page 11: Replacement Of Parts
P a g e Replacement of Parts • Unplug the power cord before servicing. Part Name Operating Procedure F LED. 1. Dig F LED Cover out. 2. Lift F LED Cover. 3. Lift F LED. 4. Pull out F LED socket. 5. - Page 12 P a g e Part Name Operating Procedure Frz Fan Motor. - Follow step 1-2 of replacing F LED. 1. Remove Ice Storage Box. 2. Remove Ice Cube Tray Assy. 3. Remove Shelf F. 4.Lift Cover and Fan Cover out. Pull out Socket.
- Page 13 P a g e Part Name Operating Procedure SHUTTER BOX - Follow step 1-2 o0of replacing F LED. - Follow step 1-10 of replacing Fan Blade. Remark: This part for only model, HRF-479 and HRF-TMA400FI 1. Dig shutter box out. 2.
- Page 14 P a g e Part Name Operating Procedure Thermal Fuse. - Follow step 1-2 of replacing F LED. - Follow step 1-6 of replacing Fan Blade. 1. Pull out Socket. 2. Release screws at support EVA R 3. Cut out Cable Tie from Evaporator tube.
- Page 15 P a g e Part Name Operating Procedure Defrosting Heater. - Follow step 1-2 of replacing F LED. - Follow step 1-6 of replacing Fan Blade. - Follow step 2 of replacing Thermal Fuse. 1. Pull out Socket. 2.Pull out evaporator assy. 3.
- Page 16 P a g e Part Name Operating Procedure Chill LED Lights REF . 3. Remove all Glass Shelf. 2.Remove Lamp Cover B. 3.Release screws at Lamp Cover A. 4.Remove all Lamp Cover A. 5.Release screws at Chill LED Lights. 6. Pull out Socket. 7.
- Page 17 P a g e Part Name Operating Procedure Ref Sensor. - Follow step 1-10 of replacing Chill LED Lights. 1. Pull out Multi-Duct Ins. 2. Remove all Seal. 3. Remove all Sensor. 4. After replacing Sensor, reverse the steps above. PRINTED : JUNE’2015 REF NO.
- Page 18 P a g e Part Name Operating Procedure Elec. Component Ass’y(Main PCB). 1. Release screws that Cover B. 2. Pull out Rear Cover. 3. Pull out Elec. Component Ass’y. 4. Pull out Socket. 5. After replacing Elec. Component Ass’y., reverse the steps above. PRINTED : JUNE’2015 REF NO.
- Page 19 P a g e Part Name Operating Procedure COMPRESSOR ACC. Remark: This part for model with fix speed compressor. 1. Release screws that compressor 2. Pull out comp cover. 3.Remove COMPRESSOR ACC. cover. 4.Pull out Socket. 5. After replacing reverse the steps above. COMPRESSOR ACC.
- Page 20 P a g e Part Name Operating Procedure Running Capacitor - Follow step 1 of replacing compressor cover. Remark: This part for model with fix speed compressor. 1. Release nut that Running Capacitor 2. .Remove Running Capacitor 3.Pull out socket. 4.
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Page 21: Control Function
P a g e function Control Self‐Test function About self‐test function： (1) With self‐test function, the appliance can quickly check the working condition of fan, compressor and defrost heater. (2) How to enter and quit: press the test button on the main control board once, and enter the forced starting mode, and a second time press to enter forced defrosting mode. Mode operation Working condition Remark T1 Press test button once to enter (1) compressor forced start. -
Page 22: Error Code Display
P a g e Error code display (For model without display control panel) No Malfunction Error indicator Error code meaning Remark Normal / No error code F SNR failure F4 (light flashing 4 times, F SNR is short circuit or open off 3 sec.) circuit. RT SNR failure F2 (light flashing 2 times, RT SNR is short circuit or open Sensor malfunction or off 3 sec.) circuit. breakdown, communication R SNR failure F3 (light flashing 3 times, R SNR is short circuit or open between sensor and main PCB ... -
Page 23: Trouble Shooting
P a g e Trouble shooting Before calling for service, please read the following troubleshooting table first. This can save both your time and money. The table contains common problems except those caused by defects in workmanship or material of the refrigerator. Problem Cause Solution Refrigerator Operation This is normal for an automatic The refrigerator is in defrosting refrigerator. the defrosting cycle. Verify the plug is plugged in the The refrigerator is not The socket firmly. plugged into a power compresso outlet. ... - Page 24 P a g e Too High Temperature Warm air will enter the The door is opened too refrigerator whenever the Too high temperature frequently or for too long each door is opened. Try to open in time. the door as less frequently as the fridge /freezer Temperature is set too possible. storage compartment high. Reset the temperature. The door is not closed See “Door/drawer tightly. opening/closing in section “Problem”. The temperature in ...
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