Ventilation Panel Flashcards
VENTILATION PANEL
Q: What is the purpose of the CABIN FANS?
Ref: (FOM VOL. III-DSC-21-10-10)
To re-circulate cabin air to the mixing chamber and then back to the cabin
VENTILATION PANEL
Q: With BLOWER and EXTRACT pushbuttons in AUTO how does the system operate?
Ref: (FOM VOL. III-DSC-21-30-60)
- Ground – system is normally in the OPEN configuration
- Flight – system is normally in the CLOSED configuration
- Intermediate – Closed configuration except small internal flap in Extract Valve is open
VENTILATION PANEL
Q: With both BLOWER and EXTRACT pushbuttons in OVRD (smoke configuration) what are the positions of the INLET and EXTRACT valves?
Ref: (FOM VOL. III-DSC-21-30-60)
- INLET valve CLOSED
- EXTRACT valve INTERMEDIATE
VENTILATION PANEL
Q: What is the status of the Blower and Extract fans with the Blower and Extract valves in OVRD?
Ref: (FOM VOL. III-DSC-21-30-60)
- BLOWER fan OFF
- EXTRACT fan ON
VENTILATION PANEL
Q: When is air conditioning introduced into the avionics compartment?
Ref: (FOM VOL. III-DSC-21-30-20)
- Abnormal operation
- SMOKE configuration
VENTILATION PANEL
Q: Is the skin heat exchanger ever bypassed in flight?
Ref: (FOM VOL. III-DSC-21-30-20)
Yes, during SMOKE configuration
VENTILATION PANEL
Q: What does an amber FAULT light on the BLOWER pushbutton indicate?
Ref: (FOM VOL. III-DSC-21-30-60)
- SMOKE warning is activated
- Computer power supply failure
- Low blower pressure
- Duct overheat
VENTILATION PANEL
Q: What does an amber FAULT light on the EXTRACT pushbutton indicate?
Ref: (FOM VOL. III-DSC-21-30-60)
- SMOKE Warning is activated
- Computer power supply failure
- Low Extract pressure
VENTILATION PANEL
Q: With 2 FAULT lights on the VENTILATION panel are there any other indications?
Ref: (FOM VOL. III-DSC-26-30-20)
Yes – The SMOKE light in the GEN 1 LINE pushbutton
