HEATING – CONTROLS AND INDICATORS
1 COND/HTR selector
• OFF, NORM,
RECYCLE ................
the heating is off
• AUTO ....................... the heating system keeps the cockpit
and the cabin air at the selected
temperature automatically
• MAN ......................... the heating is operated in manual
mode
2 TEMP CONTR knob (with COND/HTR selector in HTR area)
• Min to Max
range ..............
(potentiometer) selects the cockpit / cabin
air temperature for automatic temperature
control
• ● ..................... Neutral position for MANUAL temperature
control. No input is given to the TCV which
stay still.
• + ..................... (momentary position) manually controls the
TCV to open (increases temperature)
• – ..................... (momentary position) manually controls the
TCV to close (decreases temperature)
3 SOV 1 (2) switch
• NORMAL ........... the no.1 (no.2) shut-off valve is
automatically opened or closed
• CLOSE .............. the no.1 (no.2) shut-off valve is forced to
close