York HIDS006B21S - Page 13

SM-18001-rev.1
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- Table of Contents -
4. Maintenance..........................................................................................................................4-1
4.1MaintenanceofOutdoorUnit..........................................................................................................4-2
4.2 MaintenanceofIndoorUnit.............................................................................................................4-3
4.2.1 DuctedHighStaticType((H,Y)IDH018-048B21S)...............................................................4-3
4.2.1.1 RemovingLong-LifeFilter.................................................................................................4-3
4.2.1.2 RemovingPCB.................................................................................................................4-3
4.2.1.3 RemovingFanandFanMotor..........................................................................................4-4
4.2.1.4 RemovingThermistorsforLiquidPipeandGasPipe.......................................................4-11
4.2.1.5 RemovingElectronicExpansionValveCoil......................................................................4-12
4.2.1.6 RemovingFloatSwitch.....................................................................................................4-12
4.2.1.7 RemovingCondensatePump...........................................................................................4-13
4.2.1.8 RemovingCondensatePan..............................................................................................4-14
4.2.2 DuctedMediumStaticType((H,Y,C)IDM006-048B21S)......................................................4-17
4.2.2.1 RemovingLong-LifeFilter.................................................................................................4-17
4.2.2.2 RemovingPCB.................................................................................................................4-17
4.2.2.3 RemovingFanandFanMotor..........................................................................................4-18
4.2.2.4 RemovingThermistorsforLiquidPipeandGasPipe.......................................................4-23
4.2.2.5 RemovingElectronicExpansionValveCoil......................................................................4-24
4.2.2.6 RemovingFloatSwitch.....................................................................................................4-24
4.2.2.7 RemovingCondensatePump...........................................................................................4-25
4.2.2.8 RemovingCondensatePan..............................................................................................4-26
4.2.3 DuctedSlimType((H,Y,C)IDS006-018B21S)......................................................................4-29
4.2.3.1 RemovingLong-LifeFilter.................................................................................................4-29
4.2.3.2 RemovingPCB.................................................................................................................4-29
4.2.3.3 RemovingFanandFanMotorfromBottomSide(ForAllModels)...................................4-30
4.2.3.4 RemovingThermistorsforLiquidPipeandGasPipe.......................................................4-34
4.2.3.5 RemovingElectronicExpansionValveCoil......................................................................4-35
4.2.3.6 RemovingFloatSwitch.....................................................................................................4-35
4.2.3.7 RemovingCondensatePump...........................................................................................4-36
4.2.3.8 RemovingCondensatePan..............................................................................................4-37
4.3 CleaningIndoorUnitHeatExchanger.............................................................................................4-39
4.3.1 RequiredToolsforCleaning...................................................................................................4-39
4.3.2 CleaningProcedure...............................................................................................................4-40
4.4 MainParts.......................................................................................................................................4-43
4.4.1 forOutdoorUnit......................................................................................................................4-43
4.4.2 forChange-OverBox.............................................................................................................4-43
4.4.3 forIndoorUnits.......................................................................................................................4-44
4.4.3.1 PrintedCircuitBoard.........................................................................................................4-44
4.4.3.2 FanMotor..........................................................................................................................4-47
4.4.3.3 Thermistor.........................................................................................................................4-52
4.4.3.4 ElectronicExpansionValve...............................................................................................4-54