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A320 Notes > Ventilation > Flashcards

Flashcards in Ventilation Deck (23)
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2
Q

The ventilation system includes ventilation for…

A

The avionics (controlled be the avionics equipment ventilation controller), the battery, the lavatories and galleys.

3
Q

How does the smoke configuration work?

A

When the smoke detector detects smoke in the avionics ventilation air the BLOWER and EXTRACT FAULT lights come on. When both the BLOWER and the EXTRACT pushbuttons are set to OVRD position the ai conditioning system supplies cooling air which is then exhausted overboard. The blower fan stops.

4
Q

What are the main components of the avionic ground cooling?

A

1 inlet valve, 1 ground cool fan, 1 cooling unit, 1 outlet valve and one controller.

5
Q

With the BLOWER and EXTRACT pb switches in AUTO what ventilation configuration do you normally expect to see?

A

Open configuration on the ground before applying T/O power and closed configuration after applying T/O power in the air.

6
Q

How does the battery ventilation work?

A

A venturi in the skin of the aircraft draws air from the space around the batteries and vents it overboard. The resulting airflow ventilates the batteries.

7
Q

On which ECAM page you will get information about the ventilation system?

A

PRESS page.

8
Q

With the BLOWER and EXTRACT pb switches in OVRD what happens to the ventilation system?

A

The system goes into the smoke configuration and the blower fan stops.

9
Q

When does the avionic ventilation in the open-circuit configuration operate on the ground?

A

The open-circuit configuration operates when the skin temperature is above the on-ground threshold: +12°C (53°F) temperature increasing or +9°C (48°F) temperature decreasing.

10
Q

What is the purpose of the avionic ventilation?

A

The avionic ventilation system is fully automatic. It cools the electrical and electronic components in the avionic compartment and on the flight deck including the instrument and circuit breaker panels.

11
Q

During ground function operation the outflow valve is…

A

Fully open.

12
Q

What are the main components of the avionic ventilation?

A

Fans skin air inlet and extract valves skin exchange inlet and outlet bypass valves airconditioning inlet valve skin exchange isolation valve and Avionics Equipment Ventilation Computer (AEVC).

13
Q

When does the Lav/Galley extract fan operate?

A

Continuously when electrical power is available

14
Q

What does an amber “FAULT” light on the BLOWER pushbutton indicate?

A
  • SMOKE warning is activated
  • Computer power supply failure
  • Low Blower pressure
  • Duct Overheat
15
Q

What does an amber “FAULT” light on the EXTRACT pushbutton indicate?

A
  • SMOKE Warning is activated
  • Computer power supply failure
  • Low Extract Pressure
16
Q

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

A

Yes, the SMOKE light in the GEN 1 LINE pushbutton

17
Q

What is the RAM AIR pushbutton used for?

A
  • Smoke removal in cabin

- Ventilation of cabin with a dual pack failure

18
Q

Will there be any other indications?

A

ECAM warning and amber “FAULT” lights in the EXTRACT and BLOWER pushbuttons on the VENTILATION panel

19
Q

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

A
  • 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.
20
Q

With both BLOWER and EXTRACT pushbuttons in OVRD (smoke configuration) what are teh positions fo the INLET and EXTRACT valves?

A
  • INLET valve closed

- EXTRACT valve OPEN

21
Q

With a CARGO SMOKE warning what happens to the Isolation Valve and Extract Fans?

A
  • Isolation Valve closes

- Extract Fans stop

22
Q

What does the CARGO HEAT AFT ISOL VALVE amber “FAULT” light indicate?

A

Valve disagreement of inlet or outlet valve

23
Q

What is the purpose of the CABIN FANS?

A

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

24
Q

What does the CARGO HEAT HOT AIR amber “FAULT” light indicate?

A

Duct Overheat