CAE Air Conditioning / Pressurization Flashcards
Can Air Source to Trim Air Only be selected on the ground?
No
What is the max diff pressure on the ground
0.1 psi
Which sources provide air for the AC PACK to operate?
APU, A/C engines, external ground cart
Max positive diff pressure
9.4 psi
What is the max negative diff pressure?
-0.5 psi
Where is the outflow valve located?
Front right wing fairing
What computer controls the outflow valve?
IASC
What cabin altitude triggers a caution light?
8,500’
How many feet are added to cabin altitude to re-adjust for a High Alt mode warning light?
1,550’
What indicates that the landing altitude was set automatically?
The landing altitude display in magenta color
How many safety valves does the CL30/35 have?
2
What is the purpose of the safety valves
To prevent over and under pressurization of the cabin
How is the landing altitude normally set?
Automatically by the FMS
How is the landing altitude manually set?
By selecting MAN on the pressurization panel
When does the automatic Pull up Pull down function operate?
On the ground with the Main Cabin Door open
How many IASC computers does the CL30/35 have?
2
Where is the cabin zone temperature sensor?
Mid cabin right side
What valve divides the left manifold from the right manifold?
XBLEED valve
Where is the cockpit zone temperature sensor?
On the left side of the center pedestal next to the pilot’s right knee
Are the bleed valves pneumatically operated and electrically controlled?
Yes
What is the guarded EMER DEPRESS PBA for?
For fresh air circulation and if fumes or smoke enter the cockpit
What air sources can provide air to the PACKs?
Engines, APU, ground cart
When must the PACK be operating while on the ground?
When the electrical power (Batt or ext) is on for >30min with OAT>40C
What is the pressurization limitation during T/O and landing?
1.0 psi
