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· Each engine and APU − applicable bleed SOV closes.
· A signal is sent to turn off the applicable Variable Frequency Generators (VFGs).
· A signal is sent to cancel ignition on the applicable engine or APU.
· Redundant commands are sent to ARM the FIDEEX control unit’s discharge circuits.
If the warning persists following the pulling of the handle, the fire will be extinguished by discharging
a fire extinguisher bottle.
FIRE PROTECTION
Flight Crew Operating Manual Rev 3, Apr 25, 2005
CSP 700−5000−6
Volume 2
09−10−4
FIRE CONTROL HANDLES (CONT'D)
Engine Fire Control Handle
GF0910_005
"BOTTLE 1"
HANDLE PULLED, ROTATED
TO THE LEFT AND HELD IN
POSITION
"BOTTLE 2"
HANDLE PULLED, ROTATED
TO THE RIGHT AND HELD IN
POSITION
ENGINE FIRE
NOTE PULL HANDLE
The right fire handle is
shown, left is similar in
operation.
DISCH
PULL
1 2
To discharge an engine bottle, the handle must be turned fully and held (at least one second) to
overcome the spring force of the handle; counterclockwise (bottle 1) or clockwise (bottle 2). This
action will send redundant commands to discharge the selected fire extinguisher bottle into the
armed zone. When a handle is turned fully in the opposite direction, the remaining bottle will be
discharged.
APU Fire Control Handle
GF0910_006
"BOTTLE 1"
HANDLE PULLED, ROTATED
TO THE LEFT AND HELD IN
POSITION
"BOTTLE 2"
HANDLE PULLED, ROTATED
TO THE RIGHT AND HELD IN
POSITION
APU FIRE
PULL HANDLE
DISCH
PULL
1 2
To discharge the APU bottle, the handle must be turned fully and held (at least one second) to
overcome the spring force of the handle; counterclockwise (bottle 1) or clockwise (bottle 2). This
action will send redundant commands to discharge the selected fire extinguisher bottle into the
armed zone.
To discharge a second extinguisher bottle in the APU, the lockout release pin must be slid to the
opposite position, to allow the handle to be rotated past the centre position. When a handle is
turned fully in the opposite direction, the remaining bottle will be discharged.
FIRE PROTECTION
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
09−10−5
FIRE CONTROL HANDLES (CONT'D)
Synoptic Pages
The following valves are commanded closed as a function of pulling the applicable fire DISCH
handle.
FGF0910_002
Fuel Synoptic Page
APU and Engine
Feed Shutoff Valves
Bleed/Antiice
Synoptic Page
High Pressure Valve (HPV)
and Pressure Regulator
Valve(PRV)
Hydraulic Shutoff Valves
HPV PRV
Hydraulic Synoptic Page
FADEC
APU
BLEED
MANAGEMENT
COMPUTER
NOTE
The left bleed valves are
shown, operation of the
right is similar.
NOTE
The left engine SOV is
shown, operation of the
right is similar.
NOTE
The right hydraulic SOV
is shown, operation of
the left is similar.
APU
HP
LP
0
PSI
70°C 68°C 70°C
HYDRAULIC
62 % 64 % 62 %
1B 3A 3B 2B
L
LP
HP
R
45
PSI
DISCH
PULL
1 2
DISCH
PULL
1 2
DISCH
PULL
1 2
DISCH
PULL
1 2
APU
32 °C 32 °C
FIRE PROTECTION
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
09−10−6
FIRE EXTINGUISHER ASSEMBLY
The designated fire zones are left engine, right engine and APU. There are two fire extinguisher
bottles on each airplane attached to the left rear fuselage structure. Each fire extinguisher bottle
incorporates a hermeticallysealed
pressure vessel filled with Halon 1301. The forward fire
extinguisher bottle is designated as bottle 1 and the aft fire extinguisher is designated as bottle 2.
GF0910_008
FIRE BOTTLES
For war d
Aft
Left Side
View
Fire Extinguisher Discharge Squibs
A fire extinguisher discharge squib (electroexplosive
device) is installed in each fire extinguisher
discharge port. Each of the three discharge squibs per extinguishing bottle is assigned to each of
the three fire protection zones. The zones have two circuits, each of which is capable of firing the
squib. One of the circuits is wired to channel A and the other to channel B of the FIDEEX control
unit.
GF0910_009
A pressure alarm gage displays fire extinguisher pressure at the extinguisher and includes a
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