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23-Jan-07 For reference only
- Yellow runs when a/c on gnd and cargo door manual selector in OPEN or
CLOSE. (no flap movement)
OFF – pump is de-energized
FAULT Lt - Amber with ECAM as per ENG 1 (2,3,4) plus pump overheat in which case the pump
shuts down
GREEN ELEC PUMP ON (or YELLOW) (Spring-loaded-guarded)
AUTO – pump controlled according to ELEC PUMP pb sw.
ON – pump energized provided ELEC PUMP not sel OFF.
- Will not start after elec power interruption
- Blue light when supplied
BLUE ELEC PUMP
STANDBY – pump controlled by BLUE ELEC PUMP ON pb
OFF – pump is off
FAULT Lt – Amber with ECAM as per ENG 1 (2,3,4) plus pump overheat in which
case the pump shuts down
BLUE ELEC PUMP ON (Spring-loaded-guarded)
ON – pump on provided ELEC PUMP pb is not sel OFF.
- If elec power supply removed, pump remain off when power is restored
STBY – pump is off
RAT MAN ON
Pressed – RAT extends
Auto extends when:
- AC NORM buses fail & Eng 1 & 4 fail (A340 only)
or - All engines fail
or - GREEN & BLUE LO LVL
or - GREEN & YELLOW LO LVL (A330 only)
LEAK MEASUREMENT VALVES
GBY
OFF – valve closes and HYD supply to primary flight controls is shut off.
- inhibited if speed above 100kts
- OFF light illuminates
Overhead Panel Switches
23-Jan-07 For reference only
Note: Yellow valve auto closed on ground when cargo door is operated
30. ICE & RAIN PROTECTION
ANTI ICE
WING
Hot air is supplied from pneumatic system and heats the four outboard slats
(4,5,6,7). If a leak is detected, valves auto close. Elec pwr supply failure, valves
close.
ON – Blue light with WING A.ICE indication on ECAM MEMO
- Wing a.ice control valves open if pneumatic supply avail.
- On gnd valves open for 30 sec only for test.
- N1 (EPR) limit Reduced
- Idle N1 (EPR) increased
OFF – valves close, ON light goes out
FAULT Lt – Amber with ECAM if
- position disagrees with selection
- low pressure detected
ENG 1 (2,3,4)
Hot air supplied by independent bleed from HP compressor thru open/close valve.
Elec pwr supply failure, valves open.
ON – Blue light with ENG A.ICE indication on ECAM MEMO
- valve opens
- (A330 only) if EIU inop, cont. ign is automatically activated
OFF – valves close, ON light goes out
FAULT Lt – Amber with ECAM if anti ice valve disagrees with ENG pb selection.
PROBE/
WINDOW
HEAT
AUTO – Heated automatically:
- in flight
- (A330) on gnd (except TAT probes) with one eng running
- (A340) on gnd (except TAT probes) with eng 2 or 3 running
- (Both) on gnd pitot heat at low level
ON Lt – Blue light indicates probes and windows are heated
WIPER
At OFF, wipers out of view
Max speed 230kts
A
U
T
O
SLOW
OFF
Overhead Panel Switches
23-Jan-07 For reference only
RAIN RPLNT
One button per side.
Press once and timer applies measured amount
Inhibited when on gnd & engines stopped
33. LIGHTS
CTL
There are two 2-way switches to control the dome light.
- one located on rear panel near cockpit door
- one on overhead panel
Note: On gnd, all eng stopped (ie after rejected T/O and evac), right
dome light auto illuminates independently of selected posn of switches.
POS’N 1 & 2 – NAV & LOGO lights are ON when main gear struts are
compressed or the flaps are extended 15˚ or more.
Lights attached to nose gear strut go out when gear is retracted
RWY TURN OFF – Same as nose lights
A light on each wingtip and one on the tail cone.
AUTO – Strobes on when struts not compressed
AUTO – ON when all eng running and either slats or main gear is extended.
- Gives low tone chime
- On gnd, signs remain on after slats retracted
FAST
Overhead Panel Switches
23-Jan-07 For reference only
OFF ATT
AUTO – (A330) Signs (NO SMOKING & EXIT) on when gear extended
- Signs off when gear retracted
AUTO – (A340) Signs (NO SMOKING & EXIT) on when gear extended or slats
are extended
Note: When cabin alt is excessive (14,350ft), cabin lights come on. NO
SMOKING, FASTEN SEAT BELT, EXIT signs come on regardless of their switch
pos’n.
EMER EXIT LT
ARM – Cabin emerg lighting illuminates if:
- DC ESS BUSS fails or
- normal a/c elec pwr fails
- The overhead emerg lights auto illuminate if AC BUS 1 fails.
This gives min cabin lighting
EMER EXIT LT-OFF Lt - Amber when EMER EXIT LT sel is selected OFF
　
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