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APU GEN GEN 2
OFF/
RESET
OFF/
RESET
ON
ON
OFF
ESS. POWER DC POWER
AC ESS XFER MAIN BUS TIE
AC POWER
GEN 1
OFF/
RESET
AVAIL
IN USE
IN
USE
ON
AUTOXFER
FAIL
OFF
FAIL
OFF
ALTN CLOSED
ON
AC DC
BATT MASTER Switch
ON
OFF
– Connects the batteries (MAIN BATT DIR BUS and
the APU BATT DIR BUS) to the BATT BUS.
– Disconnects the batteries from the BATT BUS.
MAIN BUS TIE Switch/Light (alternate-action)
Push
CLOSED Light
Illuminated
– Ties DC BUS 1 and DC BUS 2 together.
– Indicates that both DC BUS 1 and
DC BUS 2 have been tied together.
: Both DC utility buses are load shed
whenever the switch/light indicates CLOSED.
NOTE
P604_07_026
External DC Power Light
Illuminated – Indicates
external DC power is
connected to the aircraft
and is supplying the APU
BATT DIR BUS.
ELECTRICAL
For Training Purposes Only
May 03
7-33
P I LOT T R A I N I N G GU I D E
Circuit Breaker Panels
Circuit Breaker Panel 1
Figure 7-25
3
10
7.5
7.5 7.5
7.5 7.5
7.5
7.5
7.5
7.5 7.5
7.5 7.5
7.5
7.5 7.5 7.5
7.5 7.5 7.5
3
3
3 3 3 5 7.5
3
3 3 3
50 50 50
3 3 3 3 3 3 3
3
3
3 3
20 5 3 3 20 3
3
3
3
3
3
3
3
3
3
3 3 3 3
3
3
3
5 3
3
3
3
3
5 5 5 5
3
3
3
3
3
3
3
3
3
3 3
3 3 5 3 5 5
3 10
10 10
3 10 3 3 3 3
3
5
5 5
25 7.5 20 20
5 3 3 3
25
25
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
10
10
10
10
11
11
11
11
12
12
12
12
13
13
13
13
14
14
14
14
15
15
15
15
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14 15
WOW/
GEAR/
SPLR 1
DISP
FAN
CONT
FLAP
CONT
1
GND
SPLR
RUD
TRIM
NOSE
STEER
ANTI
SKID
CKPT
HTR
CONT
A/ICE
AUTO
1
14 ST
B/AIR
SOV L
14 ST
B/AIR
ISOL
SOV
HTR
CONT
L WSHLD
B
C
D
E
F
G
H
POWER MUST BE OFF BEFORE OPENING PANEL CBP-1
HYD PUMP
115 VAC BUS 1
115 VAC BUS 1
115 VAC BUS 1
115 VAC BUS 1 115 VAC UTILITY BUS 1
HEATERS
3B 2B TAT
AUX
AOA
L
WSHLD
CKPT
HTR
TRU
1
IRU
3
IRU 3
GPWS FAN
FLAP
MOTOR
1
115VAC
ESS
FEED
MAIN
BATT
CHGR
ENG
VIB
MON
PASS
WARN
SIGNS
CKPT
FAN
ADG
DEPLOY
SENSE
LDG/TAXI LTS
L
NOSE
L
WING
NAV
LTS
PWR
SENSE
LIGHT
LOGO
GAL/LAV
SUPPLY
LINE HTRS
FUEL PUMP
PRIM XFER
DISP
FAN
28 VDC UTILITY BUS 1
28 VDC UTILITY BUS 1
PWR
SENSE FEED FEED
DC BUS 1 CONTROL
TIE &
UTIL
TRU 1
SENSE
UTIL
BUS
CONT
PWR
SENSE
28 VDC BUS 1
CKPT TEMP CONT
AUTO
HYD SYST
AC PUMP
CONT 2
FSCU
PRIM FUEL
XFER CONT
FUEL
DEFUEL
SOV POS
LIGHTS
CHRT
HLDR
WING
INSP
CKPT
FLOOR
REAR
A/COLL
SELCAL
L
LDU
PRIM
DISPL
SEC
DISPL
DME
1 AFIS
RAD
ALT
1
GPS
1
BRT/DIM PWR SUPP
2 3
28 VDC BUS 1
28 VDC BUS 1
EICAS
IND
2
1
1
1
2 3
2 3
4
4
5
5
6
6
7
7
8
8
　
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本文鏈接地址：龐巴迪挑戰(zhàn)者604機(jī)組操作手冊(cè) CL_604-ELECTRICAL(13)