Whirlpool WSN11W User manual

Ref. No. : SM77-05-058-0 Printed : Nov’2005
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SERVICE MANUAL Refrigerator FOR EXPORT 2005
1 Specifications
1-1) Specific parts for specific countries
Item
No. Model Destination Power Source (Voltage-ac / Hz) Power Cord Internal Volume (Litre)
(by ISO 8561;1995)
1. WSN11W EXPORT 220 / 50 C4 284

Ref. No. : SM77-05-058-0 Printed : Nov’2005
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1-2) Product
Model WSN11W
Classification 2 Doors No Frost
Temperature Control Thermostat Electronic
Defrost System Automatic
Drain Automatic (Heat by transfer from the compressor)
Evaporator Aluminum Coil With Bond
Condenser Copper Tube Inside
Cabinet Rigid Polyurethane Foam (HCFC-141b)
Freezer Door Rigid Polyurethane Foam (HCFC-141b)Insulation
Refrigerator Door Rigid Polyurethane Foam (HCFC-141b)
Refrigerant HFC-134a
Refrigerant Charge (g.) 105
Overall Dimension (WxDxH (mm.)) 606 x 670 x 1,522
Packing Dimension (WxDxH (mm.)) 657 x 749 x 1,635
Net Weight (kg.) 65.0
Gross Weight (kg.) 65.0
1-3) Characteristic of Thermostat
Operating Temperature (°C) 1013hPa (mb)
Model MM1-8612
Dial Position ON OFF
WARM °C-3±3 -
NORMAL °C-9±1.1 -18 ±1.1
Temperature
Control
COLD °C--25 ±2.2
1-4) Electrical Parts
1-4-1) MODEL WSN11W
Model C-BZN152L6Z
Compressor Power Supply Range 220V / 50 Hz
Starting Relay PTH7M220MC1
Overload Protector 4TM734RHBYY-53
Starting Capacitor -
Running Capacitor -
Interior Light 240 V / 15 W

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2 Wiring Diagram
WSN11W

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3 Refrigerant Circuit
Model : WSN11W
1 COMPRESSOR 9 DRYER ASS’Y
2 TUBE CHARGE 10 TUBE DISCHARGE
3 TUBE CONNECT 139 11 TUBE FRAME
4 ACCUMULATOR / MUFFER 12 TUBE CREST
5 TUBE CONNECT 145 13 TUBE CREST S
6 TUBE CONNECT 143 14 EVAPORATOR ASS’Y
7 CONDENSER PIPE 15 SUCTION TUBE ASS’Y
8 CONDENSER PLATE

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4 Trouble Shooting
4-1) MODEL WSN11W (VIETNAM)
Part Name Picture Check Method and Criterion
Measure the resistance with a tester.
(Ambient temperature : Room temperature 25°C)
Model Main Wiring Auxiliary Wiring
Normal
11.94 Ω(Approx.) 18.39 Ω(Approx.)
Compressor
C-BZN152 L6Z Abnormal Open(∞Ω) or Short Circuited (0 Ω)
Measure the resistance with a tester.
(Ambient temperature : Room temperature 25°C)
Model PTH7M220MC1
Normal 22 Ω±20% (Approx.)
Starting Relay
Abnormal Open(∞Ω) or Short Circuited (0Ω)
Measure the resistance with a tester.
(Ambient temperature : Room temperature 25°C)
Model 4TM734RHBYY-53
Normal Less than 1 Ω(Approx.)
Overload Protector
Abnormal Open(∞Ω) or Short Circuited (0Ω)

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5 Replacement of Parts
•Unplug the power cord before servicing.
1. Model :
WSN11W
Part Name
Thermostat.
Operating Procedure
1. Remove Ice Cube Box. 2. Remove Ice Cube Tray. 3. Remove Tray Chiller.
4. Remove Freezer Corner. 5. Adjust Knob Thermo to “Min” position. 6. Pull out Thermo.
7. Release screws at FF.Cover. 8. Lift FF. Cover. 9. Pull out Thermostat socket.

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10. Release Thermostat’s lock. 11. Pull out Thermostat from Plate MTG
Motor.
12. Pull out electrical wire from
Thermostat by gripping the plug.
13. After replacing Thermostat, reverse the steps above.
Part Name
Fan
Operating Procedure
1. Follow step 1-8 of replacing Thermostat.
2. Dig Spring. 3. Pull out Fan from Fan Motor. 4. After replacing Fan , reverse the steps
above.

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Part Name
Fan Motor.
Operating Procedure
1. Follow step 1-9 of replacing Thermostat.
2. Press Plate MTG Motor to
remove lock.
3. Lift Plate MTG Motor out. 4. Return the Plate MTG Motor to show
behind side.
5. Hold Recept Terminal then pull out
electrical wire from Fan Motor.
6. Dig Spring. 7. Pull out Fan from Fan Motor.
8. Release screw at Cover A. 9. Pull fan motor from Plate MTG Motor. 10. Separate Fan Motor from Cover A.

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11. Pull Back Grommet from Fan Motor. 12. After replacing Fan Motor, reverse the steps above.
Part Name
Glass Tube Heater.
Operating Procedure
1. Follow step 1-11 of replacing Fan Motor.
2. Hold the socket of Glass Tube Heater
and then pull out.
3. Hold the socket of Glass Tube Heater
and then pull out.
4. Use small steel stick to press at the
Recept Terminal while pull out electrical
wire.
5. Pull out electrical wire from socket. 6. Hold and lift Evaporator up 7. Remove aluminium tape that cover
electrical wire.

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8. Remove aluminium tape that cover
electrical wire.
9. Hold Glass Tube Heater at the rubber
connector.
10. After replacing Glass Tube Heater,
reverse the steps above.
Part Name
Bimetal Thermo
Operating Procedure
1. Follow step 1-11 of replacing Fan Motor.
2.Pull out socket of Bimetal Thermostat. 3. Use small steel stick to press at the
Recept Terminal while pull out electrical
wire.
4. Pull out electrical wire from socket.
5. Cut out Cable Tie from Evaporator
tube.
6. Remove Bimetal Thermostat. 7. After replacing Bimetal Thermostat,
reverse the steps above.

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Part Name
Thermal Fuse.
Operating Procedure
1. Follow step 1-11 of replacing Fan Motor.
2. Pull out socket of Thermal Fuse. 3. Use small steel stick to press at the
Recept Terminal while pull out electrical
wire.
4. Pull out electrical wire from socket.
5. Cut out Cable Tie from Evaporator
tube.
6. Remove Thermal Fuse. 7. After Replacing Thermal Fuse,
reverse the steps above.

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Part Name
Damper Thermostat
Operating Procedure
1. Pull out Tray Chiller. 2. Release Door. 3. Remove all Tray Chillers.
4. Remove Shield Light from Cover
Thermostat.
5. Turn Knob Thermostat to “Min”
position.
6. Pull out Knob Thermostat from Cover
Thermostat.
7. Dig Cover Cap out. 8. Release screw from Cover Thermostat. 9. Lift out Cover Thermostat.

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10. Separate Insulation from Cover
Thermostat.
11. Remove paper tape from Insulation. 12. Straighten Damper Thermostat
sensing tube.
13. Separate Insulation from each other. 14. Release screws that hold Damper
Thermostat and Case Damper.
15. Pull Damper Thermostat from Case
Damper.
16. After replacing Damper Thermostat, reverse the steps above.
Part Name
Lamp
Operating Procedure
1. Follow step 1-3 of replacing Damper Thermostat.
2. Remove Shield Light from Cover
Thermostat.
3. Turn Lamp counterclockwise to
remove.
4. After replacing Lamp, reverse the
steps above.

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Part Name
Door Switch.
Operating Procedure
1. Dig door switch out. 2. Pull door switch from Inner Box. 3. Hold recept terminal.
4. After replacing Door Switch, reverse the steps above.

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Part Name
Timer.
Operating Procedure
1. Release screws that hold Rear Cover
at Cabinet.
2. Release screws that hold Timer from
the plate.
3. Hold Recept Terminal then pull out
electrical wires from Timer.
4. After Replacing Timer , reverse the steps above.

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Part Name
Starting Relay
Operating Procedure
1. Release screws that hold Rear Cover
and Cabinet.
2. Release Relay Cover Fixing Clip. 3. Remove Relay Cover.
4. Remove Starting Relay. 5. Hold Recept Terminal then pull out
electrical wires from Starting Relay.
6. After Replacing Starting Relay,
reverse the steps above.

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Part Name
Overload Protector
Operating Procedure
1. Release screws that hold Rear Cover
and Cabinet.
2. Release Relay Cover Fixing Clip. 3. Remove Relay Cover.
4. Remove Starting Relay. 5. Remove Overload Protector. 6. Hold Recept Terminal then pull out
electrical wires from Overload Protector.
7. After Replacing Overload Protector , reverse the steps above.

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Part Name
Micro Switch.
Operating Procedure
1. Unlock Dispenser Cover out. 2. Remove Dispenser Cover from base. 3. Use the screws driver to unlock the
housing connectcr of Micro Switch.
4. Pull out housing of Micro Switch. 5. Release screws of Micro Switch at
Dispenser Cover.
6. Pull out Micro Switch from Dispenser
Cover.
7. After replacing Micro Switch, reverse the steps above.

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Part Name
Motor Supply Pump
Operating Procedure
1. Remove Tank from water tube. 2. Release screws at Motor Cover. 3. Take Motor Cover from Door Liner.
4. Release screws at Water Supply
Pump.
5. Pull out the housing from inner Door
Liner.
6. Use the screws driver to unlock the
housing connectcr of Water Supply Pump.
7. Pull out housing of Water Supply Pump. 8. Cut cable tie from Dispenser Tube A 9. Pull out Dispenser Tube A from
Dispenser Tube A
10. After replacing Motor Supply Pump, reverse the steps above.

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Part Name
Transformer Ass’y
Operating Procedure
1. Tilt the Refrigerator. 2. Used wrench to release screws. 3. Release inner screws at Transformer
Ass’y.
4. Release screws that hold Rear Cover
at Cabinet.
5 . Release outside screws at
Transformer Ass’y.
6. Take Transformer Ass’y from plate
cabinet base.
7. Pull out housing of Transformer Ass’y. 8. Pull out tape. 9. Uncover plastic bag from wire set.