TM 11-5895-463-15
Caution: Open the air vent cover on the
Warning: To prevent asphyxiation, the AN/
shelter door (fig,1-1) and the exhaust blower
MSC-31A must be ventilated at all times
vent cover on the front of the shelter (fig. 1-
when occupied.
2) before operating the blower.
a. Electric Heater (fig, 5-1). Insert the
c. Air Conditioner.
power connector cord plug into the appropriate
(1) Service Valve Operation. O p e r a t e s
HEATER receptacle (fig. 5-1) and operate the
refrigerant service valves to proper position
HEAT-OFF-FAN switch to the desired posi-
(TM 5-4120-265-15) .
tion.
Caution: Both refrigerant service valves
Note. If the HEAT-OFF-FAN switch is operated
must be operated before operating air con-
to HEAT, set the TEMPERATURE CONTROL to
ditioning unit.
the desired setting.
(2) Connecting power cable. Remove the
b. Exhust Blower. Insert the power cord
power cable from the storage cabinet. Connect
connector plug into the appropriate blower re-
the female receptacle to the mating twist-lock
ceptacle (fig. 5-1) and operate the blower
receptacle on the unit, Twist to lock to place.
switch to ON.
Connect the male connector to the exterior, and
3-3
