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24
0
APU BATT
DIR BUS
20 °C
APU
BATT
DC ELECTRICAL
AC BUS 2
FEEDER
DC BUS 1
V
A
28
35
TRU 1
AC BUS 3
FEEDER
AC BUS 1
FEEDER
AC ESS
BUS
DC EMER
BUS
AV BATT
DIR BUS
V
A
26
0
−10°C
AV
BATT
V
A
24
0
APU BATT
DIR BUS
20 °C
APU
BATT
DC ELECTRICAL
DC ESS
BUS
SHED
V
A
0
0
TRU 2
DC BUS 2
BATT BUS
V
A
28
42
V
A
28
35
V
A
28
35
TRU 2
V
A
28
35
ESS
TRU 2
ESS
TRU 2
ESS
TRU 1
ELECTRICAL
Flight Crew Operating Manual REV 41, Jul 08, 2004
CSP 700−6
Volume 2
07−10−38
DC BUS FEED SYSTEM (CONT'D)
External DC Power
AVAIL Light
Indicates that external DC power
is connected (not on−line) and is
within limits.
ON Light
Indicates external DC power is
powering APU BATT DIR BUS.
GF0710_050
AC BUS 2
FEEDER
DC BUS 1
AC BUS 3
FEEDER
DC BUS 2
TRU 2
AC BUS 1
FEEDER
AC ESS
BUS
V
A
0
0
ESS
TRU 1
DC EMER
BUS
V
A
26
0
−10°C
AV
BATT
20 °C
APU
BATT
DC ELECTRICAL
V
A
0
0
ESS
TRU 2
V
A
0
0
TRU 1
V
A
0
0
BATT BUS
APU BATT
DIR BUS
AV BATT
DIR BUS
DC ESS
BUS
EXT
DC
V
A
24
10
20 °C
APU
BATT
EXT
DC
V
A
28
10
20 °C
APU
BATT
EXT
DC
V
A
24
10
ON
EXT DC
EXT DC
AVAIL
ELECTRICAL
REV 41, Jul 08, 2004 Flight Crew Operating Manual
CSP 700−6
Volume 2
07−10−39
RAT GEN FEED
The RAT will deploy automatically, when it senses a loss of all AC power (or dual engine failure) with
the airplane Weight off Wheels.
If the flaps/slats are deployed, with a loss of all AC power, the RAT will deploy immediately and will
supply power to AC ESS within 6 seconds of deployment.
If the flaps/slats are not deployed, with a loss of all AC power, then a 14 second delay takes place
before the RAT is deployed. The RAT will supply power to AC ESS within 6 seconds of deployment.
This delay is implemented to allow the pilot to regain GEN 123
or 4 or APU GEN power.
In the event that an operating generator is restored, select the RAT GEN switch to OFF with the RAT
manual deploy handle in the stowed position. The RAT GEN will remain in a standby mode.
RAT GEN
GF0710_051
AC BUS 2
FEEDER
DC BUS 1
AC BUS 3
FEEDER
DC BUS 2
AC BUS 1
FEEDER
AC ESS
BUS
V
A
0
0
ESS
TRU 1
V
A
28
75
ESS
TRU 2
DC EMER
BUS
AV BATT
DIR BUS
V
A
26
0
−10°C
AV
BATT
V
A
24
0
APU BATT
DIR BUS
20 °C
APU
BATT
DC ELECTRICAL
BATT BUS
DC ESS
BUS
V
A
0
0
TRU 1
V
A
0
0
TRU 2
AC BUS 1
V
KVA
GEN
1
GEN
2
AC BUS 2
V
KVA
0
GEN
3
AC BUS 3
V
KVA
V
KVA
GEN
4
AC BUS 4
GEN
V
KVA
0
0
0 HZ
APU
RAT GEN 115
400
V
HZ
AC ELECTRICAL
AC ESS BUS
0
0
0
0
0
0
0
ON
RAT GEN
ELECTRICAL
Flight Crew Operating Manual REV 41, Jul 08, 2004
CSP 700−6
Volume 2
07−10−40
RAT PILOT ACTIVATED TEST
Effectivity:
· Airplanes 9002 thru 9122 not incorporating Service Bulletin:
· SB 700−24−045, AC and DC Power Distribution − Unit Change and Activation of Build 4
Electrical System.
The RAT pilot activated test is not available.
The pilot activated test is initiated by the pilot during preflight
after AC power has been applied to the
airplane. It takes approximately 5 seconds to complete the test. The test is activated through the
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