Figure 2-6. Operation in Cool Mode

TM 5-4120-359-14

b. Operation in COOL mode.

(1) Turn MODE SELECTOR SWITCH to COOL. After 5 seconds, air flow can be felt at the conditioned air

outlets inside the shelter.

Figure 2-6. Operation in Cool Mode

(2) Turn TEMPERATURE CONTROL to COOLER. After 2 minutes, air from conditioned air outlets inside the

shelter will feel cooler than ambient air.

Figure 2-7. Adjustment - Cooler

(3) When the room or shelter temperature drops to the desired level, slowly turn the TEMPERATURE CONTROL

knob toward WARMER. Cooling will stop when you reach the approximate room temperature.

Figure 2-8. Adjustment - Warmer

(4) Further adjustment can be made by turning the TEMPERATURE CONTROL knob slightly toward the

WARMER or COOLER setting until a constant desired room or shelter temperature is maintained.

2-7