ICE AND RAIN PROTECTION
Description
Aircraft Operations Manual
11.1
O2
PAGE
11
Jun 01/17
This page is applicable to aircraft with COX intake.
With Mod no 2095 and with Mod. No. 3529 or 3530.
A30791
L 115 VAC
GEN
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇÇ
ÇÇÇ
ÇÇÇ
ÇÇÇ
ÇÇÇ
ÇÇÇ
ÇÇÇ
Ç
Ç
Ç
Ç
Ç
Ç
L BETA
R BETA
L PROP
DE
−
ICE
R PROP
DE
−
ICE
L ENG
ANTI
−
ICE
R ENG
ANTI
−
ICE
Inlet Particle Separator Ejector Duct
L PROP
R PROP
MAX
NORM
OFF
L PROP
R PROP
PROPELLER
Inlet guide
vane heating
Split lip
heating
L 115 VAC GEN BUS
Timer/
Switching/
monitor unit
28 VDC
control
power
Control power
Max
Norm
Off
Heating failure
signal
Power to heating boots
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
on ground
resetable
circuit
breakers
L AC GEN
R AC GEN
ON
LOAD
XFR
OFF/R
L
AC
GEN
R
AC
GEN
AC HEAT
From R115 VAC
GEN Bus
GEN
CONTROL
UNIT (GCU)
To RAC
GEN Switch
ON
LOAD
XFR
OFF/R
Heating
boot
ON/OFF
signals
Failure signals
ON/OFF
signals
ON/OFF
signals
from GCU
ON/LOAD XFR/OFFR
signals from
AC GEN switch
MICRO PROCESSOR
LOWER DUCT
MICRO PROCESSOR
UPPER DUCT
POWER
POWER
POWER
Anti
−
ice
Control
Unit
Electronic
Solenoid valve
HMU operated
sleeve valve
CONTROL UNIT DISPLAY
Located in
Engine Nacelle
AC
IN-
PUT
CONT
UNIT
UPR
DUC
T
LWR
DUC
T
RESET
SWITCHES
WoW
Gnd
Air
L INTAKE Light
in TEST 3 PANEL
POWER
=Primary temp
sensor
=Back up temp
sensor
on ground
resetable
circuit
breakers
The lights are disconnected
by Mod No 2250 and removed
by Mod No 2255
L ENGINE
R ENGINE
ON
OFF
L INTAKE
L AIR
R AIR
R INTAKE
ENGINE
Failure signal
28 VDC
control
power
control
power
Heating failure signal
STALL
WARNING
COMPUTER 1
STALL
WARNING
COMPUTER 2
(A) FI STOP
OPEN
FI STOP (B)
Fig. 3 Engine anti
−
ice propeller de
−
ice system
−
schematic