Johnson Controls HICM008B21S User Manual

SM-18003
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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 RemovingAirFilterandAirInletGrille...................................................................................4-3
4.2.2 RemovingElectricalBoxCover..............................................................................................4-4
4.2.3 RemovingOptionalDecorativePanel....................................................................................4-5
4.2.4 RemovingTurboFanandFanMotor.....................................................................................4-7
4.2.5 RemovingPrintedCircuitBoard.............................................................................................4-8
4.2.6 RemovingDrainPan..............................................................................................................4-9
4.2.7 RemovingDrain-upMechanism.............................................................................................4-10
4.2.8 RemovingFloatSwitch..........................................................................................................4-11
4.2.9 RemovingOutletAirThermistor.............................................................................................4-12
4.2.10 RemovingLiquidPipeThermistor,GasPipeThermistorandExpansionValveCoil.............4-13
4.2.11 RemovingInletAirThermistor...............................................................................................4-15
4.2.12 RemovingAutoLouverMotorsandLouver............................................................................4-16
4.3 CleaningIndoorUnitHeatExchanger.............................................................................................4-17
4.3.1 RequiredToolsforCleaning(FieldSupplied).........................................................................4-17
4.3.2 CleaningProcedure...............................................................................................................4-18
4.4 MainParts.......................................................................................................................................4-22
4.4.1 forOutdoorUnit......................................................................................................................4-22
4.4.2 forChange-OverBox.............................................................................................................4-22
4.4.3 forIndoorUnits.......................................................................................................................4-23
4.4.3.1 PrintedCircuitBoard.........................................................................................................4-23
4.4.3.2 FanMotor..........................................................................................................................4-23
4.4.3.3 Thermistor.........................................................................................................................4-24
4.4.3.4 ElectronicExpansionValve...............................................................................................4-25

Johnson Controls HICM008B21S Specifications

General

Brand	Johnson Controls
Model	HICM008B21S
Category	Air Conditioner
Language	English