
ICE AND RAIN PROTECTION
Description
Aircraft Operations Manual
11.1
PAGE
17
Jun 01/17
A9669
A
B
L BETA
R BETA
L PROP
DE
−
ICE
R PROP
DE
−
ICE
L ENG
ANTI
−
ICE
R ENG
ANTI
−
ICE
L/R ENGINE anti
−
ice switch.
Controls both electrical and bleed air sections of
the engine anti
−
ice system and illuminates the
ENG ANTI
−
ICE light in the Flight Status Panel.
L/R AC GEN light (amber).
Will come on if the generator fails.
L/R AC GEN switch.
Controls AC generator power supply.
ON:
−
AC generator on line.
−
Automatic power transfer from
other side in case of generator fail-
ure (except for intake heating).
−
No power transfer in case of gener-
ator control failure.
−
No power transfer in case of failure
in power feeder line to 115 VAC
GEN BUS.
LOAD XFR
−
Power transfer from other side.
−
Intake heat supplied by own gener-
ator
OFF/R
−
Off reset position.
−
Power transfer from other side.
−
No intake heat.
L/R PROP DE
−
ICE light (blue).
Will come on when the system is working and will
go out in case of system failure.
L/R ENG ANTI
−
ICE light (blue).
Will come on whenever the engine anti
−
ice switch
is turned on. With the optional ice detector system
(Mod No 1933) installed the lights come on flash-
ing when ice is detected. With the Eng anti
−
ice
switched on the lights change to steady indica-
tion.
L/R INTAKE light (amber).
Will come on for a failure in the engine duct electrical
anti
−
icing systems.
L/R AIR light (amber).
Will come on under the following conditions:
−
If the Electronic Solenoid Valve does not open when
respective ENGINE anti
−
ice switch is turned ON.
−
If the Electronic Solenoid Valve does not close when
respective ENGINE anti
−
ice switch is turned OFF.
A
ENGINE ANTI
−
ICE PANEL
B
FLIGHT STATUS PANEL
Fig. 7 Engine anti
−
ice system
−
controls and indicators