TM 9-4120-371-14
Fabric
Mode
Mode
Temperature
Fresh Conditioned
Conditioned
Air
Air
Air
Cover
Selector
Control
Thermostat
Damper
Intake
Discharge
Switch
Grille
Grille
Adjust to suit
Rolled up or
Ventilate with 100%
VENTILATE Does not operate
Open
Closed
recirculated air
snapped
closed
Rolled up
Adjust to suit
Ventilate with
VENTILATE Does not operate Open
Open
and secured
make-up (fresh air)
Adjust to suit
Rolled up
Ventilate with 100% VENTILATE Does not operate Open
Closed
fresh air
and secured
Slightly down for Rolled up or
Heating with 100%
LO HEAT or Desired
Closed
Open
recirculated air
HI HEAT
best results
snapped
temperature
closed
Heating with
LO HEAT or Desired
Slightly down for Rolled up
Open
Closed
make-up (fresh air)
and secured
HI HEAT
best results
temperature
Rolled up
Cooling with 100%
COOL
Desired
Closed
Slightly up for
Open
recirculated air
and secured
best results
temperature
Rolled up
Cooling with
COOL
Desired
Open
Open
Slightly up for
make-up (fresh air)
best results
and secured
temperature
Any mode with
Rolled up
Desired
Partially
Adjust to suit
Desired
Closed
make-up air through mode
and secured
temperature
and
closed
CBR filter
sealed
b. General information (To increase comfort and save energy.)
(1) During warm or cold weather. (Air conditioner operation in COOL or HEAT modes.)
Limit traffic through doors as much as possible.
Keep doors and windows tightly closed.
Limit use of fresh (outside) air.
