Koldfront TWR327ESS Service Manual Download Page 9 | Manualshive

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Koldfront TWR327ESS Service Manual Download Page 9

Circuit Board Diagram

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Summary of Contents for TWR327ESS

Page 1: ...EdgeStar 8606 Wall St Suite 1800 Austin TX 78754 support edgestar com service edgestar com edgestar com Document Type Service Manual Version V1 0 02052018...

Page 2: ...herein is intended for use by certified technicians The manufacturer or seller is not responsible for the interpretation or misuse of the information provided nor does it assume any liability in conne...

Page 3: ...appliance is properly grounded Do not bypass cut or remove the grounding plug If the power cord is damaged it must be replaced by the manufacturer or a qualified technician Do not use extension cords...

Page 4: ...exposed to the weather Disconnect from the power socket before cleaning or maintenance If the plug power cord is damaged it must be replaced by the manufacturer or an authorized service representative...

Page 5: ...antly in a moist place This moisture will drain into the condensate tray at the back of the unit and may require emptying if excessive moisture is collected in a short period of time Finding a good sp...

Page 6: ...ductor materials The complete system includes a semi conductor module P N shape semi conductors clamped with two ceramic chips an internal and external heat exchanger To obtain higher energy efficienc...

Page 7: ...Exploded View Diagram...

Page 8: ...Parts List...

Page 9: ...Circuit Board Diagram...

Page 10: ...TWR327ESS Voltage Frequency 115V 60Hz Power 140W Rated Current 1 9A Net Weight 56 9 lbs Note Specifications are subject to change Check the rating label on the back of unit for the most accurate infor...

Page 11: ...Supply Board Connector Arrangement 1 Power cord 2 Thermoelectric Module 3 Heating fan 4 Cooling fan 5 Temperature Controller NOTE All wiring connections need to be attached securely to the board 1 5...

Page 12: ...r Supply Board 1 Remove the back panel on the unit and disconnect the wire connectors on the board 2 Remove screws 4 from the board 3 Replace the board and reattach the screws 4 4 Reconnect the connec...

Page 13: ...rom the board Remove screws 2 from the rear of the door 3 Remove screws 2 from the rear of the temperature controller 4 Pull out old temperature controller disconnect the wire connector and replace wi...

Page 14: ...Thermoelectric Module and Heat Fan Thermoelectric Node Heat side has printing Heat sink Cool sink...

Page 15: ...and Heat Fan 1 Remove the module and the heat fan connectors 2 Remove the screws for the heat fan and replace with new fan 3 Remove the screws for the module and replace with new module 4 Reconnect th...

Page 16: ...g The Heat Fan 1 Remove the screws 2 Replace the fan and reinstall the screws Replacing the Cooling Fan 1 Pull out the plastic caps 4 on the cooling fan cover 2 Removing the screws 4 on the cooling fa...

Page 17: ...opening the cooling fan cover 4 Remove the screws 4 from the cooling fan 5 Replace the old cooling fan and reconnect the wire 6 Be careful not to damage the wire 7 Fix the sensor into the proper posit...

Page 18: ...the screws 2 on the cold sink of the module 2 Carefully disassemble the module and clean any grease residue from the node compartment 3 Apply thermal grease evenly and replace the thermoelectric node...

Page 19: ...Error Codes...

Page 20: ...Diagnostics Wine cooler does not cool or will not run NO YES NO YES NO YES NO...

Page 21: ...EdgeStar 8606 Wall St Suite 1800 Austin TX 78754 support edgestar com service edgestar com edgestar com...

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