Cirrus Design Section 7
SR22T Airplane and Systems Description
P/N 13772-003 7-33
Tachometer
Engine speed (RPM) is shown in the upper mid-left corner of the
ENGINE page as both a simulated tachometer and as a digital value.
The tachometer pointer sweeps a scale range from 0 to 3000 RPM in
100 RPM increments. The digital RPM value is displayed in
increments of 10 RPM in white numerals below the gage.
The tachometer receives a speed signal from a magnetic pickup
sensor on the right hand magneto from the Engine Indicating System
via the Engine Airframe Unit.
Exhaust Gas Temperature (EGT)
Exhaust gas temperatures for all six cylinders are displayed in the
Engine Temperature block of the ENGINE page as vertical bars. The
EGT graph is marked from 1000°F to 1800°F in 100°F increments.
The digital EGT value of the cylinder is displayed above the bar in
white numerals. A sensor in the exhaust pipe of each cylinder
measures exhaust gas temperature and provides a voltage signal to
the Engine Airframe Unit which processes and transmits the data to
the Engine Indicating System.
Cylinder Head Temperature (CHT)
Cylinder head temperatures for all six cylinders are displayed in the
Engine Temperature block of the ENGINE page as vertical bars. The
CHT graph is marked from 100°F to 500°F in 100°F increments. The
digital CHT value of the cylinder is displayed above the bar in white
numerals.
A sensor in each cylinder head measures cylinder head temperature
and provides a voltage signal to the Engine Airframe Unit which
processes and transmits the data to the Engine Indicating System.
Turbine Inlet Temperature (TIT)
Turbine inlet temperature for the LH and RH turbochargers is displayed
in the Engine Temperature block of the ENGINE page as vertical bars.
The TIT graph is marked from 1000°F to 1800°F in 100°F increments.
The digital TIT value of the turbine inlet is displayed above the bar in
white numerals.
A sensor in each turbocharger measures turbine inlet temperature and
provides a voltage signal to the Engine Airframe Unit which processes
and transmits the data to the Engine Indicating System. The TIT gage
is used as the primary source to lean fuel mixture.
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