Environmental

Question 1

Environmental Shutoff Valves (NC)

Answer 1

Located on Pressurization Flowpack

Question 2

Air to Air Heat Exchangers

Answer 2

Located on inboard portion of wings

-Can be controlled by manual control on Copilot switch

Question 3

Vent Blower

Answer 3

Pulls cabin air into the cockpit for recirculation.

-AUTO: operates on LOW if CABIN TEMP switch is not in OFF position

Question 4

Aft Blower

Answer 4

Pulls air from under cabin floor.
Recirculated to floor/wall vents and ceiling vents.
Cooler than “normal” recirculated air.
Intended for cabin cooling only (except a/c with electric heat)

Question 5

Pilot/Copilot Air knobs

Answer 5

Warm air by feet

Question 6

Defrost

Answer 6

Warm air for wind/glareshield

Question 7

Cabin Air

Answer 7

Adjusts the volume of air for cabin heating

Pull to decrease

Question 8

Air conditioning

Answer 8

Belt driven by right engine accessory section.
When ambient temp above 50F, system is available to temp control.
Annunciator (AIR COND N1 LOW) Indicates insufficient N1 to operate compressor.

Question 9

Where does the air to the overhead air vents come from?

Answer 9

Inside of the cabin-recirculated air