Johnson Controls HICM008B21S - Cleaning Procedure for Heat Exchanger; Heat Exchanger Cleaning Steps

MAINTENANCE
4-18
SM-18003
NOTES:
Removethedrainpanafterremovingdrainwaterinthedrainpan.
1. Removethedrainwaterinthedrainpanafterpullingouttherubberplug.
2. Inserttherubberplugintotheholeaftercheckingtheabove.
3. Removethedrainpanafterremovingfoursecuringscrews.Removethedrainpancarefully,sincethe
drainwatermayremainatthebottomofthedrainpan.
4. Cleananddrythedrainpanafterremovingit.Handlethedrainpancarefullysoasnottodamageit.
4.3.2 CleaningProcedure
Spreadavinylsheetovertheoortoprotectfurniture,etc.fromcleaningwaterbeforethiswork.
No. Procedure Tool
1
RemovetheoptionaldecorativepanelaccordingtoSection4.2.3"Removing
OptionalDecorativePanel."
PhillipsScrewdriver
2
Removetheelectricalboxafteropeningtheelectricalboxcoverand
disconnectingtheconnectorsbetweentheindoorandoutdoorunitsandother
connectorsaccordingtoSection4.2.2"RemovingElectricalBoxCover."
PhillipsScrewdriver
3
Removethebell-mouthandfanaccordingtoSection4.2.4"RemovingTurboFan
andFanMotor."
PhillipsScrewdriver
AdjustableWrench
4 RemovethedrainpanaccordingtoSection4.2.6"RemovingDrainPan." PhillipsScrewdriver
5 RemovetheoatswitchaccordingtoSection4.2.9"RemovingFloatSwitch." PhillipsScrewdriver
6
Removethedrain-upmechanismaccordingtoSection4.2.8"RemovingDrain-up
Mechanism."
PhillipsScrewdriver
TURN OFF all power source switches.