Podcast
Questions and Answers
Which light illuminates on the air conditioning panel when there is a hot air 'fault'?
Which light illuminates on the air conditioning panel when there is a hot air 'fault'?
- Zone controller light
- Hot air press reg. valve light
- Fault light (correct)
- Pack outlet temperature light
What temperatures are maintained by pack 1 and pack 2 in case of zone controller primary and secondary channel failure?
What temperatures are maintained by pack 1 and pack 2 in case of zone controller primary and secondary channel failure?
- Pack 1 maintains high temperature and pack 2 maintains high temperature
- Pack 1 maintains low temperature and pack 2 maintains low temperature (correct)
- Pack 1 maintains low temperature and pack 2 maintains high temperature
- Pack 1 maintains high temperature and pack 2 maintains low temperature
What happens when the hot air press reg. valve fails open?
What happens when the hot air press reg. valve fails open?
- Back up mode is lost
- Pack is lost
- No effect
- No effect on pack regulation (correct)
What happens when the pack controllers experience primary and secondary channel failure?
What happens when the pack controllers experience primary and secondary channel failure?
When does the pack controllers experience secondary channel failure?
When does the pack controllers experience secondary channel failure?
Study Notes
Air Conditioning Fault Indicators
- The "Hot Air" light on the air conditioning panel illuminates when there is a hot air fault.
Pack Temperature Maintenance
- In case of zone controller primary and secondary channel failure, Pack 1 and Pack 2 maintain temperatures of:
- Pack 1: Zone temperature
- Pack 2: Cooler temperature
Hot Air Press Reg. Valve Failure
- When the hot air press reg. valve fails open, the air conditioning system:
- Relieves excess pressure
- Prevents damage to the system
Pack Controllers Failure
- Primary and secondary channel failure of pack controllers:
- Pack controllers default to setback mode
- Cooler temperature is maintained
- Secondary channel failure of pack controllers occurs:
- When the secondary sensor or circuit fails
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Description
Test your knowledge of the A319/320/321 aircraft systems and operational procedures related to air conditioning, pressurization, and ventilation. Learn about hot air fault lights, zone controller failures, pack outlet temperature control, and more.
