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position, and then release the lock button. Pulling the knob opens the
alternate air induction door on the engine induction air manifold,
bypasses the air filter, and allows warm unfiltered air to enter the
engine. Alternate induction air should be used if blocking of the normal
air source is suspected. Operation using alternate induction air should
be minimized and the cause of filter blocking corrected as soon as
practical.
Engine Indicating
The SR22 is equipped with engine instrumentation and warning lights
to monitor the engine performance.
• Note •
For additional information on instrument limit markings, refer
to Section 2, Limitations.
June 2007
Information Manual 7-45
Cirrus Design Section 7
SR22 Airplane Description
Serials 0002 through 1601, 1603 through 1643 and 1645 through
1662: The engine instruments are located on the right side of the
instrument panel and the oil temperature/pressure warning light is
located in the annunciator panel immediately in front of the pilot.
Serials 1602, 1644, 1663 and subsequent: The engine
instrumentation is displayed on the MFD’s Engine Page. A separate
Data Acquisition Unit (DAU), mounted above the right hand kickplate,
converts analog signals from the CHT, EGT, MAP, oil pressure, oil
temperature, and tachometer sensors to digital format, which are then
transmitted to the MFD and/or PFD for display. 28 VDC for Data
Acquisition Unit operation is supplied through the 2-amp ANNUN /
ENGINE INST circuit breaker on the Essential Bus
The PFD presents percent power in the upper left area of the display
in vertical tape format and as text immediately above. Engine RPM,
manifold pressure, fuel flow and oil pressure are continuously
displayed in the engine data block located in the lower right corner of
the PFD.
System health, caution, and warning messages are displayed in colorcoded
advisory boxes in the lower right corner of the MFD. In addition,
the text of the engine parameters displayed on the PFD change to the
corresponding color of advisory box during an annunciation event.
The oil temperature/pressure warning light is located in the
annunciator panel immediately in front of the pilot.
• Note •
Serials 0002 and subsequent with optional EMax Engine
Monitoring after factory installation or after Service Bulletin SB
22-77-01: The following engine instrument component
descriptions are the same as those listed for airplane serials
1602, 1644, 1663 and subsequent except:
• EGT and CHT probes are installed to each exhaust pipe and
cylinder head respectively. MFD functionality is enhanced by
displaying six channels of EGT and CHT data.
Refer to Avidyne FlightMax EX5000C Pilot’s Guide, P/N 600-00108-
000 Rev 04 or later for a more complete description of the MFD, its
operating modes, and additional detailed operating procedures for the
EMax option.
June 2007
7-46 Information Manual
Section 7 Cirrus Design
Airplane Description SR22
Figure 7-9
Engine Instruments
7,8
9
5,6
4
Serials 0002 thru 1601,
1603 thru 1643, 1645 thru 1662.
G I
T
F
E
L R
FUEL
Controls
LEGEND
1. Power Lever
2. Mixture Control
3. Friction Control
4. Tachometer
5. EGT
Alternate Air Control
Start / Ignition Switch
3
2
1
SR22_FM07_1603A
Serials 0002 thru 0434:
Switch is located on the
left bolster panel.
6. CHT
7. Oil Temperature
8. Oil Pressure
9. Manifold Pressure
Engine Controls and Indicating (Sheet 1 of 2)
June 2007
Information Manual 7-47
Cirrus Design Section 7
SR22 Airplane Description
FUEL
OIL
LOW VOLTS
PITOT HEAT
ALT 1
ALT 2
11
LEGEND
4. Tachometer
5. EGT ( shown with EMax )
6. CHT (shown with EMax)
7. Oil Temperature
8. Oil Pressure
9. Manifold Pressure
10. Percent Power
11. Oil Warning Light
5
4 11 7 8
Engine Instruments
9
6
Serials 1602, 1644, 1663 & subs. SR22_FM07_2218
Multifunction Display
Primary Flight Display 4,9,8
10
Annunciator
Panel
Figure 7-9
Engine Controls and Indicating (Sheet 2 of 2)
June 2007
7-48 Information Manual
Section 7 Cirrus Design
Airplane Description SR22
Tachometer
Serials 0002 through 1601, 1603 through 1643 and 1645 through
1662: A 2¼” tachometer is mounted on the right instrument panel
adjacent to the other engine instruments. The tachometer pointer
　
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