TM 9-4120-402-14
2-7. GENERAL OPERATING PROCEDURES. - continued
Table 2-2. INITIAL OPERATOR CONTROL SETTINGS
Mode
MODE
TEMPERATURE
Fresh
Intake Grille
Discharge
Fabric Cover
Selector
Control
Air
Grille
Rotary Switch
Potentiometer
Damper
Ventilation
VENT
Does not operate
Fully
Fully Open
Adjust to suit
Rolled up or
with 100%
Closed
snapped
Recirculated
closed
Air
Ventilation
VENT
Does not operate
Partially
Partially
Adjust to suit
Rolled up and
with make-up
Open
Closed
secured
Fresh Air
*
Ventilation
VENT
Does not operate
Fully
Fully Closed
Adjust to suit
Rolled up and
with 100%
Open
secured
Fresh Air
Heating with
HEAT
Desired
Fully
Fully Open
Slightly
Rolled up or
100%
Temperature
Closed
Downward
snapped
Recirculated
closed
Air
Heating with
HEAT
Desired
Partially
Partially or
Slightly
Rolled up and
make-up
Temperature
or Fully
Fully Closed
Downward
secured
Fresh Air
Open
*
Cooling with
COOL
Desired
Fully
Fully Open
Slightly
Rolled up and
100%
Temperature
Closed
Upward
secured
Recirculated
Air
Cooling with
COOL
Desired
Partially
Partially or
Slightly
Rolled up and
make-up
Temperature
or Fully
Fully Closed
Upward
secured
Fresh Air
Open
Any Mode
Desired Mode
Desired
Fully
Partially or
Adjust to suit
Rolled up and
with make-up
Temperature
Open
Fully Closed
secured
Air Through
CBR Filter
*If the unit is equipped with a blast damper, the fabric cover may be rolled down and snapped closed.
2-13
