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TM 5-4120-361-14
(3) Connect the MS3106R-24-22S power
input connector plug furnished with the air condi-
tioner to a suitable electrical power cable. Connect
the cable to the proper electrical power source
and install the plug end of cable to either the
main power receptacle or the alternate power
receptacle.
If alternate power receptacle J12 is
used, refer to wiring diagram (figure 1-5) and
change wire lead connection at TB1.
CAUTION
To avoid damage to the compressor
electrical input power must be applied
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
energized for twelve (12 hrs) prior
to operation of the air conditioning
unit in the cool mode.
2-10. Starting and Operating Instructions.
a. Preparation for Starting.
—
(1) Perform the daily preventive
maintenance service (para 2-4).
(2) Connect the main power cable.
(3) Check drain holes to insure that
they were open.
(4) Be sure the unit is firmly secured.
(5) Roll up condenser cover and tie
at top of air conditioner to clear condenser
opening.
NOTE
When vent damper door is open to
admit fresh air, partially close evapor-
ator inlet, louver to balance incoming
air.
Keep vent or damper door
closed during heavy rain.
b. Starting Instructions for Cooling.
Start the air conditioner for cooling as shown
in figure 2-5.
c. Operating Instructions for Cooling.
Operate the air conditioner for cooling as
shown by figure 2-6.
Figure 2-4.
Ground wire installation.
2-8
Change 2
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