TM 5-3610-294-13&P
2-7.
AIR CONDITIONER (AC) UNITS (24,000 BTUH AND 36,000 BTUH). - Continued
b.
Heat/Cool Switch (2) - In the HEAT position, AC operates to heat the shelter. In the COOL position, AC operates
to cool the shelter.
c.
Fan Switch (3) - A two position switch for controlling the automatic or manual operation of the fan. When placed
in the ON position, the fan operates continuously. When placed in the AUTO position, the fan operates automatically
during heating and cooling cycles as controlled by the setting of the thermostat.
d.
Thermometer (4) - Indicates ambient air temperature inside the shelter in degrees F.
e.
Exhaust Vent Warning Light (5) - Indicator lamp which lights to warn that the AC exhaust vents on the cargo
doors are closed when attempting to energize the AC's. The AC's will not operate until the vent doors are opened.
f.
NORM/EMERG HEAT Switch (6) - In the NORM position, heat pump is used for heating. In the EMERG HEAT
position, electrical heating coils are used to supplement the heat pump.
g.
Emergency Heat Indicator (7) - Indicator lights when emergency heat is on.
h.
Air Input Vent With Filter (8 and 9) - Brings air to the outside coils. Filter keeps dirt and dust form entering the
AC.
i.
Air Input Vent with Filter (10 and 11) - Brings air (heating or cooling) to the inside coils. Filter keeps dust and dirt
from entering the shelter.
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