*Ventilation Panel

Question 1

With BLOWER and EXTRACT pbs in AUTO how does the system typically operate?

3

Answer 1

-Ground-system is in OPEN configuration

-Flight- system is in CLOSED configuration

-Intermediate-CLOSED except for the EXTRACT VALVE, which is partially open.

Question 2

With both BLOWER and EXTRACT pbs in OVRD, what are the positions of the INLET and EXTRACT valves?

Answer 2

Smoke Configuration.
-INLET valve CLOSED
-EXTRACT valve OPEN

Question 3

When is air conditioning introduced into the Avionics Compartment?

Answer 3

In the SMOKE configuration or ABNORMAL configuration.

Question 4

What does FAULT light on the BLOWER pb indicate?

4

Answer 4

-SMOKE Warning is activated
-Computer failure
-Low blower pressure
-Duct overheat.

Question 5

What does a FAULT light on the EXTRACT pb indicate?

3

Answer 5

-Smoke warning is activated
-computer failure
-low extract pressure

Question 6

With 2 FAULT lights on the VENTILATION panel are there any indications?

Answer 6

Yes-The SMOKE light in the GEN 1 LINE pb.

Question 7

What is the purpose of the Cabin Fans?

Answer 7

To re-circulate cabin air to the mixing chamber and then back to the cabin.

Question 8

Is the skin heat exchanger ever bypassed during flight?

Answer 8

YES- during SMOKE config.

Question 9

What is the status of the Blower and Extract fans with the Blower and Extract valves in OVRD?

Answer 9

Blower fan OFF
Extract fan ON