TM 5-4520-241-14
Figure 2-2. Room Thermostat.
e. If the heater stops shortly after starting, the red indicator light (6, fig. 2-1) will come on. Check the fuel supply and
replenish if necessary. Allow 3 to 5 minutes for the heater to cool, then press RESET switch (7).
f. Open or close the louvers with the louver operating handle (11) so as to obtain maximum air intake for the
ventilating motor.
2-5.
OPERATION IN FAN MODE.
a. Place the HEATER-OFF-FAN switch in the FAN position.
b. The ventilating motor will come on immediately along with the white indicator light. The thermostat has no control.
If the heater is still warm from operation, warm air will circulate, otherwise room air will just be recirculated.
2-6
