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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
2-10. OPERATION IN HEAT MODE (See Figure 2-
5).
a.
Check that AC POWER ON light is on.
CAUTION
Ensure ac power has been on a
minimum of 30 minutes for compressor
crankcase
heater
warmup.
If
compressor slugs, turn mode select
switch to OFF, then turn to AUTO
position.
b.
Turn MODE SELECT SWITCH to HEAT.
c.
Check the following lights are off:
· CONTROL POWER (24VDC) FAULT
· LOW SUCTION PRESSURE
· HIGH DISCHARGE PRESSURE
· HIGH AIR TEMPERATURE
· DIRTY FILTER
· LOW OIL PRESSURE
· EVAPORATOR FAN FAILURE
NOTE
If any light (except AC POWER ON) is
on, turn MODE SELECT SWITCH to
OFF. Contact unit maintenance.
Figure 2-5. Heat Mode (Settings and Indicators)
2-9
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