P/N 11934-003
7-47
Cirrus Design
Section 7
SR20
Airplane Description
Serials 1268 through 1581:
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 1582 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 color-
coded 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 1268 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
1582 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.
Revision A5
Summary of Contents for SR20
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