BUS EQUIPMENT LIST

This Topic is relevant to the whole fleet


NORM EMER ELEC
AC DC
DC
BAT
AC
ESS
DC
ESS 		HOT
FCMC 1 Main SHED
Level Sensing SHED
2 Main DC2 X
(1)
Level Sensing SHED

INNER
TANK
PUMPS 		L1 AC2 DC2
L2 X
(3) 		X
R1 AC2 DC2
R2 DC1
(2) 		X
(3) 		X
(2)
L STBY AC1 DC1
R STBY AC1 DC1
TRIM TK FWD XFR PUMP AC2 DC2

CROSS
FEED
VALVE 		X-FEED MOTOR 1 X
MOTOR 2 DC2

ENGINE
LP
VALVES 		MOTOR 1 X
MOTOR 2 DC2

AFT XFR
VALVES 		LH DC1
RH DC2
TRIM TK ISOL VALVE X
TRIM PIPE ISOL VALVE X X
(1)
AUX FWD XFR VALVE X
XFR VALVES X
TANK INLET VALVES X X
(1)
REFUEL VALVE(S) X X
(1)
APU FWD PUMP AC1
AFT PUMP X X
(1)
ISOL VALVE X
LP VALVE X X
(1)   HOT BUS supply during refueling on batteries
(2)   Normal supply is from DC1
In emergency configuration, if the normal PUMP L2 is failed or switched OFF, then the control of the normal PUMP R2 is automatically switched to the DC ESS BUS.
(3)   This supply is lost in emergency configuration

on batteries

if EMER GEN is powered by the RAT when LAND RECOVERY is selected or when the speed is below 260 knots (whichever occurs first)

if EMER GEN is powered by an engine driven pump, when LAND RECOVERY is selected.