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SERVICE MANUAL

APD-12A

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Содержание APD-12A

Страница 1: ...SERVICE MANUAL APD 12A...

Страница 2: ...factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 When servicing the unit set the POWER SWITCH to OFF and unplug the power cord 2 Inspect the service...

Страница 3: ...with electric heater models For cooling only models Remote receiver Timer ON button Push this button to set the Timer On time Timer OFF button Push this button to set the Timer Off time Timer ON OFF...

Страница 4: ...Press this button to reset all settings to factory settings 2 TROUBLESHOOTING GUIDE 2 1 REFRIGERATION CYCLE DIAGRAM 2 2 ELECTRICAL FUNCTION 2 2 1 Electric Control working environment 2 2 1 1 Input vo...

Страница 5: ...d the unit will be ready to operate But if you push the power button the unit will shut the P1 display and shut down 2 2 5 Fan only Mode Function Requirement 2 2 5 1 The compressor and outdoor fan are...

Страница 6: ...ge ROOM AIRCONDITIONER VOLTAGE LIMITS NAMEPLATE RATING MINIMUM MAXIMUM 220 240V 115V 196V 103V 253V 122V PROBLEM POSSIBLE CAUSE REMEDY Power failure Check the power supplier if the power supplier is s...

Страница 7: ...r loose or the motor hums or noise appears to be internal while running Voltage Check voltage Call Supply Authority if not within limits Wiring Check the wire connections if loose repair or replace th...

Страница 8: ...ed making the low pressure connected with the high pressure The refrigerating system can not produce high pressure and low pressure Replace the compressor after checking for the reason Cooling or heat...

Страница 9: ...Wiring diagram APD 12A...

Страница 10: ...9 3 3 ELECTRICAL CONTROL SCHEME...

Страница 11: ...10 3 4 MAIN CONTROL BOARD SCHEME...

Страница 12: ...11 3 5 DISPLAY BOARD SCHEME...

Страница 13: ...ear of the unit Move the unit to a replace where water can be poured Remove the rubber plug from back of the unit and drainage the water in from the unit Remove the water tank from the unit and pour t...

Страница 14: ...t push the clasp and release the assembly Now it is easy to replace the display board Take care to release the connector which connected to the display board 4 4 To disassemble the front panel Remove...

Страница 15: ...on to the wires in the enclosure 1 2 3 4 5 6 7 8 9 10 1 Terminate to display board 2 Terminate to condenser fan motor 3 Out put of transformer 4 Terminate to evaporator fan motor 5 Terminate to compre...

Страница 16: ...ame up then pull the frame forward Remove the screws fixing the fan shell box Remove the fan motor fan scroll and blower wheel from the unit Take care to the wires for electric heater Slide the electr...

Страница 17: ...Remove the screws fixing the condenser fan motor bracket Then remove the bracket with condenser fan motor and blower wheel from the unit 4 9 To repair the refrigerant system or replace the compressor...

Страница 18: ...r fan scroll Now it is easy to repair the refrigerant system 4 10 To repair the water disposal system or replace the water depth switch or the pump Remove the screws fixing the supporting board Remove...

Страница 19: ...hich controls the water in tank Press the clamp fixing the water switches which control the water in the chassis Press downward here Then remove the screws fixing the switches and replace Pay attentio...

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