CAUTION
Turn the heater OFF when:
1. The air flow does not shutoff when TEMP CONTrol knob is
turned fully counterclockwise (MIN). Operate the shutoff
switches.
2. The HTR switch trips. Operate the shutoff switches.
3. The air flow does not shutoff when SHUT-OFF #1 and #2
switches are OFF. Operate the HTR switch.
IN FLIGHT (ABOVE 200 FT AGL)
If heater operation is desired:
TEMP CONTrol knob : Check fully counterclockwise
(MIN).
SHUT-OFF # 1 switch : ON.
SHUT-OFF # 2 switch : ON.
MIX switch : ON.
HTR switch : ON.
TEMP CONTrol knob : Turn clockwise (to increase
temperature) and set to desired
temperature.
CAUTION
Do not operate the heater above 21°C OAT.
APPROACH AND LANDING (BELOW 200 FT AGL)
Before descending below 200 ft AGL and landing:
HTR switch : OFF
RFM A109E
APPENDIX 6
R.A.I. Approved Page 5 of 18
Rev. 2
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