ARMY TM 9-4120-380-14
AIR FORCE TO 35E9-136-21
Allow air conditioner to cool down if HEAT or AUTO mode was selected to prevent
Do not disconnect or turn off power to the air conditioner during periods of normal
shutdown. Power should be disconnected only if unit is to be serviced during
emergency conditions, or during periods of extended shutdown.
For shutdown after HEAT or AUTO mode, select VENT mode for 1 minute.
Turn MODE SELECT switch to OFF.
Check that POWER ON light is on.
Always turn MODE SELECT switch to OFF before breaking the main power supply
to the unit.
Perform "after operation" preventive maintenance checks and services (table 2-1).