If heater fails to start within two minutes (indicator light (4) will remain off), move
START-RUN-OFF switch to OFF position. Wait three minutes before trying to
(g) Adjust amount of heated air from heat outlet by pushing in or pulling out air control
Do not operate heater with air control knob pushed all the way in. Heater is not
effective with the knob in this position.
(h) Place defroster control knob (2) in the full out position for maximum defrosting. For
even distribution of heating and defrosting, set defroster control knob (2) at half-way position.
(i) To stop the heater, place HI-LO switch (3) in LO position and move the
START-OFF-RUN switch (5) to the OFF position. The burner will go out in a few seconds, but
indicator light (4) will remain on, and blower will continue to deliver air, until burner is cool
and purged of unburned gases.
Wait until indicator light (4) goes out before attempting to restart heater.
Personnel heater emergency switch (6) should be placed in OFF (down) position
only in case of atomic or chemical warfare attack. Unneeded emergency shutdown
can seriously damage heater.