TM 5-4520-253-13
Table 2-1. Controls and Indicators-Continued
Key
Control or Indicator
Function
5
CIRCUIT BREAKER
Disconnects power if short circuit occurs. Press to reset.
6
Louver handle
Controls air intake louvers to attain optimum air flow.
NOTE
Heat output is constant when heater Is operating. Raising
thermostat setting does not heat enclosure faster. Set ther-
mostat only to temperature desired.
7
Temperature adjustment
For selecting temperature desired in enclosure. Rotate until desired
knob
temperature is aligned with index mark.
8
POWER RECEPTACLE
Connection for external source of 120 V ac, 50/60 Hz electrical power.
9
EXTERNAL FUEL
Connection for plugging in external electric fuel pump,
PUMP RECEPTACLE
10
ROOM THERMO
Connection for plugging in remote thermostat which controls heat of
RECEPTACLE
enclosure.
2-2
Change 1
