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CONDITIONING CONTROL LEVER (APPLICABLE TO AIRPLANE < 141)

 CONDITIONING CONTROL LEVER (APPLICABLE TO AIRPLANE ≥ 141)

Cockpit ducts
The cockpit conditioning ducts are routed along the right side of the fuselage and supply conditioned air to the entrance area, the cockpit, the windshields and the foot warmers. Each pilot selects the direction of the air supply (to the windshield for defogging or to the foot warmer) with a control lever on the instrument console.
Two-way ducts
The two-way ducts (one for the cockpit and one for the cabin) are routed along the top of the cabin. They have two functions: -distribute cold air to the upper part of the cabin / cockpit when the air conditioning requires a temperature drop, -recycle air from the cabin / cockpit and mix it with conditioned air when conditioning requires a temperature rise.
Gaspers ducts
The duct system providing cold air to the gaspers is a three-branch system: -one branch supplies the crew air gaspers, the air cooling tube for the MDU / PDU and for airplane fitted with M3374, the glareshield. An additional control lever located on the left side console enables to control cold air flow to the glareshield (M3374), -the other two branches supply the gaspers of the left and right side of the cabin.
Cold air is directly supplied from the turbo-cooler through the low pressure water separator.
Air supplied to the gaspers and for MDU / PDU cooling is maintained at a constant pressure through a pressure regulating valve.
MDU / PDU cooling
Cooling of the components of the instrument panel is achieved by airflow coming from the crew gasper system.
Floor heating
Air is distributed between the floor panels and the fuel tanks by a manifold supplied with cabin conditioning air. In addition to that air, cockpit air is evacuated underneath the floor panels to help floor heating.
Baggage compartment conditioning
The baggage compartment is conditioned by extracted air, from the cockpit hot air line, through the heat electric valve. It is pressurized at the same differential pressure as the cabin area through the isolation valve. This valve allows the baggage compartment to be isolated from the pressurization system.
　
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本文链接地址：DASSAULT FALCON 900EX EASY SYSTEMS SUMMARY Air Conditioning & Pressurization(5)