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TM 5-4120-361-14
CAUTION
To avoid damage to the compressor
electrical input power must reapplied
to energize the compressor crankcase
heater at least 4 hours before opera-
ting unit in the cool mode. For pro-
longed periods of storage, long shut
down periods or lengthly exposure
(14 days or more) to sub-zero temp
eratures, the preheater should be
energizad for twelve (12 hrs) prior
to. operation of the air conditioning
unit in the cool mode.
STEP 1.
ROLL UP AND TIE CONDENSER COVER.
STEP 2.
OPEN INTAKE LOUVERS BY LIFTING TABS.
STEP 3.
TURN VENT CONTROL ACTUATOR TO CLOSE VENTILATION DAMPER.
STEP 4.
TURN TEMPERATURE SELECTOR SWITCH TO MAXIMUM CLOCKWISE
POSITION (WARMER).
STEP 5.
TURN ON COMPRESSOR AND CONTROL CIRCUIT BREAKERS.
STEP 6.
TURN MODE SELECTOR SWITCH TO VENT AND ALLOW FAN TO REACH
FULL SPEED, THEN TURN TO COOL.
Figure 2-5. Starting instructions for cooling.
2 -9
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