ENVIRONMENTAL CONTROL SYSTEM ( ECS )

The ECS is electrically controlled and engine bleed air powered. The circuit is powered by the dc nonessential bus and protected by the ECS CONTR circuit breaker.

DESCRIPTION
1. Heats/cools the crew compartment.
2. Removes moisture from the air supplied to the crew compartment.
3. Defrosts, defogs, and deices the canopy.
4. Rain removal .
5. Provides ambient air ventilation to the crew compartment.
SWITCH/CONTROL POSITION FUNCTION
COOL/WARM COOL/WARM Controls temperature ( 35F - 180F ) in the crew compartment when the ECU/RAIN RMV switch is in the ECU position.
ECU/RAIN RMV RAIN RMV Removes rain from the canopy. Only ambient air ventilation enters the crew compartment.
  ECU Heats or cools the crew compartment.
  OFF Ambient air ventilation enters the crew compartment.
HEAT OR VENT AIR PULL OUT Directs maximum air to the defrost slots, air vents, and pilot/ gunner seat cushions.
  IN Directs maximum air to the pilot seat cushion.

 

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