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EXT PWR pb sw EELLEECCppaanneell ((ppaarrtt 22))
ELECTRICAL MENU
Summary 24/35
GEN 1 and 2, APU pb sw
The EXT PWR pb sw controls the
external power source.
No external power is
connected or the
parameters are out of the
normal range.
External power is
connected and available.
The parameters are in
the normal range.
External power is
supplying the electrical
system.
EXT PWR pb sw EELLEECCppaanneell ((ppaarrtt 22))
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
ELECTRICAL MENU
Summary 25/35
IDG 1 and 2 guarded pb sw
GALLEY pb sw
BUS TIE pb sw EELLEECCppaanneell ((ppaarrtt 33)) AC ESS FEED pb sw
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
ELECTRICAL MENU
Summary 26/35
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
TThhee GALLLLEY ppbb ssw ccoonnttrroollss tthhee ggaalllleeyy ssuuppppllyy..
The load of any generator is
above 100% of rated output.
TThhee ggaalllleeyy ssuuppppllyy iiss OFFFF..
TThhee ggaalllleeyy ssuuppppllyy iiss maannaaggeedd bbyy tthhee ssyysstteem..
GALLEY pb sw
BUS TIE pb sw EELLEECCppaanneell ((ppaarrtt 33)) AC ESS FEED pb sw
IDG 1 and 2 guarded pb sw
ELECTRICAL MENU
Summary 27/35
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
The IDG guarded pb sw enable the crew to disconnect
one IDG from its drive shaft.
The FAULT light comes on in case of
IDG oil overheat or IDG oil low pressure.
The associated IDG is connected to its
drive shaft.
IDG 1 and 2 guarded pb sw
EELLEECCppaanneell ((ppaarrtt 33))
GALLEY pb sw
BUS TIE pb sw AC ESS FEED pb sw
ELECTRICAL MENU
Summary 28/35
The BUS TIE pb sw enable the
crew to isolate one side of the
system from the other.
Bootthh ssiiddeess aarree iissoollaatteedd..
The system automatically
manages the different power
sources.
BUS TIE pb sw EELLEECCppaanneell ((ppaarrtt 33))
GALLEY pb sw
AC ESS FEED pb sw
IDG 1 and 2 guarded pb sw
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
ELECTRICAL MENU
Summary 29/35
The AC ESS FEED pb sw
enables the crew to switch
the supply of AC ESS BUS
from AC BUS 1 to AC BUS 2.
AC ESS BUS is
supplied from AC
BUS 2.
AC ESS BUS is
supplied from AC
BUS 1.
When AC ESS
BUS is not supplied.
EELLEECCppaanneell ((ppaarrtt 33)) AC ESS FEED pb sw
GALLEY pb sw
IDG 1 and 2 guarded pb sw
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
BUS TIE pb sw
ELECTRICAL MENU
Summary 30/35
EEMEERREELLEECCPPWRRppaanneell
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
RAT & EMER GEN light
EMER GEN TEST guarded pb sw MAN ON guarded pb sw
GEN 1 LINE pb sw
ELECTRICAL MENU
Summary 31/35
In AUTO position, the RAT is
automatically extended by the
system in case of emergency
electrical supply conditions.
When pressed, the RAT
extension is manually selected
the emergency generator is
coupled to the circuit if the gear
is up.
EEMEERREELLEECCPPWRRppaanneell
MAN ON guarded pb sw
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
RAT & EMER GEN light
EMER GEN TEST guarded pb sw
GEN 1 LINE pb sw
ELECTRICAL MENU
Summary 32/35
EEMEERREELLEECCPPWRRppaanneell
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
Illuminates red
in case of
emergency
generator
malfunction.
RAT & EMER GEN light
EMER GEN TEST guarded pb sw MAN ON guarded pb sw
GEN 1 LINE pb sw
ELECTRICAL MENU
Summary 33/35
EEMEERREELLEECCPPWRRppaanneell
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
The EMER GEN TEST
guarded pushbutton is
mainly operated by
maintenance crew to test
the emergency generator.
RAT & EMER GEN light
EMER GEN TEST guarded pb sw MAN ON guarded pb sw
GEN 1 LINE pb sw
ELECTRICAL MENU
Summary 34/35
The GEN 1 LINE
pushbutton illuminates
when smoke is detected
in the avionics bay.
OFF position:
Enable the crew to
isolate generator 1
during smoke drill.
GEN 1 LINE pb sw EEMEERREELLEECCPPWRRppaanneell
Seelleecctt aannyy yyeelllloow bbuuttttoonn ffoorr rreevviieew..
RAT & EMER GEN light
EMER GEN TEST guarded pb sw MAN ON guarded pb sw
ELECTRICAL MENU Summary 35/35
MMoodduullee ccoommpplleetteedd
EECCAAMEELLEECCppaaggee
　
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