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the firewall. From the mixing chamber, which also control airflow into
the cabin, the conditioned air is forced by ram air pressure or by blower
fan into a distribution manifold which regulates vent selection.
Airflow, temperature, and vent selection is accomplished using the
system control panel mounted on the right hand portion of the
instrument panel.
The aircraft engine must be running for the air-conditioner to operate.
Revision 01: 03-27-07
P/N 13772-127 3 of 14
Cirrus Design Section 9
SR22 Supplements
1
2
3
AC
ON
COLD
HOT
OFF
S
P
S P
FOOT-WARMER
DIFFUSER
DISTRIBUTION
MANIFOLD
FRESH AIR
VALVE
EVAPORATOR
ASSEMBLY
HOT AIR
VALVE
COMPRESSOR
HEAT EXCHANGER
RECIRCULATION
CHECK VALVE
SR22_FM09_2081C
VENTS
TEMPERATURE
AIRFLOW
AIR
INLET
CONDENSER
ASSEMBLY
NOTE: Illustration depicts maximum
cabin cooling airflows and
selector settings.
PANEL AIRFLOW
FRESH AIR
INTAKE
FLOOR AIRFLOW
WINDSHIELD
DIFFUSER
AIR MIXING
CHAMBER
AIR GASPER
Figure - 1 (Sheet 1 of 2)
Air Conditioning System Schematic - Serials before G3 Wing
Revision 01: 03-27-07
4 of 14 P/N 13772-127
Section 9 Cirrus Design
Supplements SR22
Figure - 1 (Sheet 2 of 2)
AIR FLOW VALVE
RAM AIR RAM AIR
FRESH AIR
VALVE
HOT AIR
VALVE
HEAT
EXCHANGER
1 2
3
AC
ON
COLD
HOT
OFF
S
P
S P
FOOT-WARMER
DIFFUSER
DISTRIBUTION
MANIFOLD
EVAPORATOR
ASSEMBLY
COMPRESSOR
RECIRCULATION
CHECK VALVE
VENTS
TEMPERATURE
AIRFLOW
CONDENSER
ASSEMBLY
NOTE: Illustration depicts maximum
cabin cooling airflows and
selector settings.
PANEL AIRFLOW
FLOOR AIRFLOW WINDSHIELD
DIFFUSER
AIR GASPER
SR22_FM09_2593A
MIXING
CHAMBER
SERVO MOTOR
Air Conditioning System Schematic - Serials G3 and Subs
Revision 01: 03-27-07
P/N 13772-127 5 of 14
Cirrus Design Section 9
SR22 Supplements
Section 2 - Limitations
There is no change to the basic POH Limitations Section when the Air
Conditioning System is installed.
Section 3 - Emergency Procedures
Engine Failure In Flight
1. Air-conditioner..........................................................................OFF
Engine Airstart
1. Air-conditioner..........................................................................OFF
Engine Partial Power Loss
1. Air-conditioner..........................................................................OFF
Low Oil Pressure
1. Air-conditioner..........................................................................OFF
Smoke and Fume Elimination (See Figure - 2)
1. Air-conditioner..........................................................................OFF
2. Temperature Selector............................................................COLD
3. Vent Selector......................... FEET/PANEL/DEFROST POSITION
4. Airflow Selector ........................SET FAN SPEED TO 3 POSITION
If source of smoke and fume is firewall foward:
a. Airflow Selector .................................................................OFF
5. Panel Eyeball Outlets............................................................OPEN
6. Prepare to land as soon as possible.
If airflow is not sufficient to clear smoke or fumes from cabin:
7. Cabin Doors.......................................................PARTIALLY OPEN
Airspeed may need to be reduced to partially open door in flight.
Revision 01: 03-27-07
6 of 14 P/N 13772-127
Section 9 Cirrus Design
Supplements SR22
Cabin Fire In Flight
1. Air-conditioner..........................................................................OFF
Section 3A - Abnormal Procedures
Alternator Failure
1. Air-conditioner..........................................................................OFF
Engine Indicating System Failure
1. Air-conditioner..........................................................................OFF
LOW VOLTS Warning Light Illuminated
1. Air-conditioner..........................................................................OFF
Revision 01: 03-27-07
P/N 13772-127 7 of 14
Cirrus Design Section 9
SR22 Supplements
Section 4 - Normal Procedures
Preflight Walk-Around
1. System Vents .............................................................Unobstructed
2. System Drains............................................................Unobstructed
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CIRRUS DESIGN SR22西锐22飞行员操作手册和飞机飞行手册(132)
