+TEMP SENSE
R39 APU START XFMR RECT
115V AC
INTLK (P6)
MAIN
BAT CHG (E3-1)
BAT OVERHEAT
BUS 2
R89 BAT CHARGER
XFR (P6)
ALT BAT
CHARGER
R325BAT
28V DC
+OVERHEAT (P6)
HOT BAT BUS
115V AC
TRANSFER
BUS 2
HOT BATTERY BUS
-
TR UNIT 2 28V DC
ELEX BUS 2
NO. 2 ELEX
R328 STBY PWR
BATTERY R327 AUX TO
DC BUS-UNSWR1 (P6)
MAN (P6) 28V DC
BUS 2DC BUS PWRNO. 2
28V DCTRANSFORMER RECTIFIER 2
BUS TIE 2 BATTERY BUSELEX BUS 1
(P6)CONTROL MANDC BUS-UNSWNO. 1 ELEX
(E3-1) 28V DC
BUS 1
115V AC
INTERNALS
DC BUS PWR
TRANSFER
SAME
NO. 1
BUS 1
AS DISCONNECTBATTERY BUS
TR2
TR UNIT 1
CONTROL AUTO
TO APU BAT SWAUTO
AIR/GND INTLK.TRANSFORMER
R397 AUX STBY
RECTIFIER 1
BUS TIE 2
PWR RELAY
(E3-1)
(P6)
NORMAL
OFFSWITCHED
TO EXT PWR CONT RELAYS2 BUS
R9 TR 3 DISC
HOT BAT BUSTRANSFER
AUTO(P6)
28V DCSWITCH
SWITCHED
OFF
OFF
115V AC
HOT BAT BUSINTERNALSP5 PANEL
GEN POWER
MAIN
BAT
RELAY CONTROL
BUS 2
SAME
STBY POWER
TR2
AS
SW (P5) (P6)
TR UNIT 3
TO AUTOMATIC
FLIGHT CONTROLR41 GEN PWR CONTTRANSFORMERACCESSORY UNIT ON (P6)
RECTIFIER 3
(E3-1)
28V DCP6 PANEL
BAT SW (P5) BAT BUS
R1 BAT BUSAUTO (P6)DC BUS
BAT BUS BAT TRANSFER
IND TR 3 TO DC
CONTROL R2 BAT XFR METERS (P6)
R326 BAT BUS
R355 MAN (P6)
BAT BUS (P6)
DC Power Distribution Schematic
Figure 2
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-55-00
ALL ú ú 02 Page 4 ú Nov 12/01
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