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Super 80 Professional – AOM
AIR CONDITIONING AND PRESSURIZATION
Section 6 Page 6
Super 80 Professional – Aircraft Operating Manual
Coolsky, 2018
1. APU AIR SWITCH
ON
APU bleed control valve opens to
provide APU bleed air to the
airplane pneumatic system.
OFF
Closes the APU bleed control
valve.
AIR COND COLDER Closes turbine bypass
valve and increases differential
pressure across air conditioning
turbine, thus lowering temperature
of conditioned air during ground
operation. Use of this switch
position significantly reduces
airflow in the cockpit and cabin.
2. AIR CONDITION SHUTOFF SWITCH
Not currently simulated.
3. RAM AIR SWITCH
Not currently simulated.
4. AIR CONDITIONING RECIRCULATION FAN
SWITCH
OFF
Removes power from recirculation
fan.
ON
Allows recirculation fan to operate
on the ground to supplement air
conditioning.
AUTO
Recirculation fan operates inflight
only.