TM 9-2320-260-10
l . Expansible Van (M820, M820A 1, M820A2) (Cont ‘d).
KEY
1
2
3
4
5
6
7
8
9
10
11
ITEM AND FUNCTION
Power input receptacle is connected by cable to outside power source to provide
electric power.
Circuit breaker must be in ON position before use of air conditioner (M820
and M820A2).
Compressor circuit breaker shuts air conditioner off automatically if electrical or
other malfunction develops in air conditioner. Circuit breaker (2) must be
manually reset to ON position after malfunction has been corrected (M820 and
M820A2).
Air conditioner control regulates air circulation. COOLER position circulates
cool air. VENT position circulates outside air into the van body (M820 and
M820A2).
Fan speed control provides high and low fan speed operation for air circulation.
Temperature selector lever provides cool temperatures when in COOLER
position. In WARMER position, air conditioner maintains 68° to 72° F (20° to
22° C) temperatures. Air conditioner shuts off when temperature selector knob is
in OFF position (M820 and M820A2).
Heater switch provides heated air in HEATER position and unheated outside air
in FAN position. Heater stops in OFF position.
White indicator light illuminates when heater is working properly.
Red indicator light illuminates when heater stops because of fuel or ignition
malfunction.
Reset button is pressed to restart heater when fuel or ignition malfunctions have
been corrected.
Handle controls mixture of outside and inside air when heater is operating.
TA 094237
2-22
