TM 9-4120-385-14
Low Heat Operation
c.
(1) Turn mode selector to LO-HEAT. After 5 seconds, airflow can be felt.
(2) Turn temperature control knob to increase. After 2 minutes, discharge air will
feel warmer than ambient air. When shelter temperature rises to the desired level, turn
temperature control knob slowly toward DECREASE. Heating will stop when temperature
control senses heating is no longer required.
CAUTION
Move mode selector to VENTILATE to remove heat from electric
heaters. Heaters could be damaged by heat buildup.
(3) To stop heating, move mode selector to VENTILATE for 5 minutes. After a
5 minute vent operation, move switch to off.
Figure 2-7. Low-Heat Operation.
