R.A.I. Approval Letter 97/3147/MAE
dated 30 July 1997
The information contained herein supplements the information of
the basic Rotorcraft Flight Manual.
For limitations, procedures and performance data not contained
in this appendix, consult the basic Rotorcraft Flight Manual.
BLEED-AIR HEATER
The Bleed-Air Heater P/N 109-0811-38 consists of two shut-off valves, one
mixing valve with solenoid control valve, one outside air intake, a temperature
sensor control for pilot and passenger area air outlets, connecting ducts and
tubing, one circuit breaker switch and three control switches to operate
shut-off valves and solenoid control valve.
Bleed air and outside air is fed into the mixing valve where a sensor determines
the mixing ratio to produce the desired temperature. The temperature is
regulated by a manual control knob and flexible cable connected to a variable
remote sensor in the mixing valve.
The system is provided with an overtemperature switch.
RFM A109E
APPENDIX 6
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