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message or main landing gear bay overheat fault. The gear bay overheat warning message will be
accompanied by an aural warning.
GF0910_021a
OVERHEAT
DETECTOR
LEFT MLG
LOOP
RIGHT MLG
LOOP
LEFT MLG
RIGHT MLG
MAIN LANDING GEAR (MLG)
SENSING ELEMENT
MAIN LANDING GEAR (MLG)
SENSING ELEMENT
AUDIO
CONTROL
PANEL
"GEAR BAY OVERHEAT"
EICAS
FIDEEX
CONTROL
UNIT
D
A
U
IAC
The FIDEEX control unit receives signals from the MWW sensing elements and in turn sends
information to the DAU. The DAU reports the status of the detection system to the IAC which signal
the EICAS and audio control panel for warning conditions.
The main landing gear overheat detection system and fault conditions may be tested through the
Electrical Management System (EMS) in the flight compartment (refer to the Fire Test in the
ELECTRICAL SYSTEM Chapter). Test result messages are displayed on EICAS.
FIRE PROTECTION
Flight Crew Operating Manual REV 51, Aug 14, 2006
CSP 700−6
Volume 2
09−10−16
SMOKE DETECTION
The avionics bay has smoke detection as part of the baseline configuration The completion Centre
Handbook provides the location/requirements for the closets, lavatories and baggage compartment
optional smoke detectors.
GF0910_022
1A CLOSET FWD (Optional)
2
3 AFT LAVATORY (Optional)
Smoke detection
Hand held portable fire extinguisher
4 BAGGAGE COMPARTMENT (Optional)
Smoke detection
Hand held portable fire extinguisher
1A
FIDEEX Control Unit
2
1A
1C
3
4
1B
5 AVIONICS BAY
Smoke detection
5
5
1B
1C
1 CLOSET (Optional)
Smoke detection
Hand held portable fire extinguisher
SMOKE CABIN (Optional)
Smoke detection
Hand held portable fire extinguisher
CLOSET AFT (Optional)
Smoke detection
Hand held portable fire extinguisher
Smoke detection
Hand held portable fire extinguisher
1
1
1
1
FORWARD LAVATORY (Optional)
Smoke detection
Hand held portable fire extinguisher
The FIDEEX control unit and the avionics system have built-in provisions for the smoke detectors
located in the baggage compartment, lavatories, cabin closets and avionics bay. The smoke
detectors are checked during power up and during pilot initiated test. The flight deck activates the
following warning devices:
• Flashing MASTER WARNING lights (glareshield).
• Appropriate smoke warning message on EICAS.
• Sounds the appropriate smoke warning voice message in the flight compartment.
Fire suppression for the baggage compartment, lavatories and cabin closets is provided via hand
held portable fire extinguishers. Provisioning and certification of the smoke detectors and hand held
extinguishers are the responsibility of the completion centre and are not further described in this
Chapter.
FIRE PROTECTION
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
09−10−17
PILOT INITIATED TEST
A Pilot Initiated Test (PIT) of the fire extinguishing system shall be commanded as part of the
airplane pre-flight and can be carried out at any time during normal operation of the system.
GF0910_023
EMS/CDU
STAT SYS BUS PREV CNTL TEST
PAGE
NEXT
PAGE
EMER
CNTL
CIRCUIT BREAKER SYSTEM BUS
To initiate the fire system test, press the “TEST” activation button on the EMS/CDU. The command
test signal is sent to the FIDEEX control unit. The crew initiated fire test consists of:
• A test of all fire/overheat loops with all flight deck reporting active.
• A smoke detector test of all installed smoke detectors.
When the “TEST” button on the EMS/CDU is selected, the FIRE TEST is automatically highlighted on
the SYSTEM TEST page.
GF0910_024a
TEST CONTROL 1/2
STALL TEST
AURAL WARNING TEST 1
AURAL WARNING TEST 2
LAMP TEST 1
LAMP TEST 2
OFF
OFF
OFF
OFF
OFF
FIRE TEST TEST
To initiate the test, the right side button must be selected. Test will automatically terminate after
approximately 15 seconds or can be aborted by a reselect of the FIRE TEST key.
A PIT is successful if each of the following events occur:
Both MASTER WARNING lights flash and an aural warning sounds.
GF0910_025
Glareshield
"LEFT ENGINE FIRE,
RIGHT ENGINE FIRE,
APU FIRE,
GEAR BAY OVERHEAT,
SMOKE"
Triple Chime
　
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