TM 9-4120-402-14
2-8. OPERATION IN VENTILATE MODE (NO HEATING OR COOLING NEEDED)
a. Turn MODE selector rotary switch to VENTilate.
Figure 2-5. VENTilate Control Setting
b. Adjust fresh air damper to desired setting. The unit can be operated in the VENTilate mode with the fresh air
damper (door) closed, open, or partially open.
Figure 2-6. Fresh Air Damper (Door) Adjustment
NOTE
The fabric cover must be rolled up and secured if fresh air damper (door) is to be opened for
make-up fresh air. When using make-up fresh air, a window, door or vent should be opened in
the room or enclosure.
If the unit is equipped with a blast damper, the fabric cover may be rolled down and snapped
closed during VENTilate or HEATing mode only.
2-14
