Cirrus SR22 Pilot Operating Handbook page 262

Section 7
Airplane Description
Maximum airflow to
the rear seat foot warmer
diffusers and the front
seat kickplate outlets.
AIRFLOW
Maximum airflow
to the panel and
armrest air gaspers.
Rotating the selector controls the volume
of airflow allowed into the cabin distribution
system by opening and closing a butterfly
valve in the distribution manifold.
When the selector dial exceeds the full
open position, the 3-speed blower fan is
turned on.
NOTE: Illustration depicts settings for Emergency Procedures
Smoke and Fume Elimination.
If source of smoke and fume is firewall forward, turn
Airflow Selector OFF.
Environmental System Operation - Serials 1602 thru 2437
7-88
Shared airflow to the
defroster, cabin floor,
and panel outlets.
VENTS
Maximum airflow
to defroster.
Rotating the selector simultaneously
opens and closes the hot and fresh air
butterfly valves, permitting conditioned
(mixed) air to enter distribution system.
Figure 7-19
Cirrus Design
Air conditioning
mode.
AC ON illuminated.
Maximum air
conditioning
(recirculation)
mode. AC ON
illuminated.
TEMPERATURE
Air Conditioner on.
SR22_FM09_2258A
P/N 13772-001
Revision A10
SR22