Johnson Controls HICM008B21S - Thermistor and Expansion Valve Component Removal; Thermistor Removal Steps; Expansion Valve Coil Removal Steps

MAINTENANCE
SM-18003
4-13
4.2.10 RemovingLiquidPipeThermistor,GasPipeThermistorandExpansionValveCoil
(1) RemovethedecorativepanelaccordingtoSection4.2.3“RemovingOptionalDecorativePanel.”
(2) Removethebell-mouthandthefanrunneraccordingtoSection4.2.4“RemovingTurboFanandFan
Motor.”
(3) RemovethedrainpanaccordingtoSection4.2.6“RemovingDrainPan.”
(4) Remove5screwsforthepartitionplatexingtheheatexchanger.
(5) RemovingThermistors
(a) Removebutylsheetattachedtoeachthermistor.
(b) Removeeachthermistorforthegaspipeandtheliquidpipe.
NOTE:
 Eachthermistorisxedwithathermistorholder.
(6) RemovingExpansionValve
(a) Removebutylsheetattachedtotheexpansionvalve.
(b) Loosenthelocknutusingawrenchbyturningitcounterclockwiseviewedfromtheexpansionvalve
coil.
NOTE:
 Removetheexpansionvalvecoilwithnopressureappliedtoit.Otherwise,thepressurewould
causethebellowstopopup.Donottouchthebottomsideofthedrivepartoftheexpansionvalve
coilwhenusingawrench.Otherwise,thebottomsideofthedrivepartoftheexpansionvalvecoil
startstoraceandmightbedamaged.
(7) Turnthelocknuttoremovethedrivepartfromtheexpansionvalve.
TURN OFF all power source switches.
Partition Plate
Liquid Pipe Thermistor
Gas Pipe Thermistor
Expansion Valve Coil
Expansion Valve
Fixing Screw (6 pcs)
Thermistor Holder
Thermistor Holder
Tool PhillipsScrewdriver