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SECTION 4 – SYSTEM PLANNING
PAGE 4-4 rEV. 01 2014-MAY 01
Detection Circuit Cable (Red Connectors) (Continued)
lINEAr DETECTOr
linear Detector (red connectors and twisted cable) connects
directly to the main Detection Circuit Cable.
• Only install in main detection trunk
• If used, must install after the EMA
• Cannot be branched from main detection trunk
• If last device, must include EOl Device (Part No. 439396) for
circuit supervision
1. Where possible, install linear Detector above the hazard
area or around the perimeter of a hazard compartment,
preferably within normal airflow, for quick response. Do not
allow struts, frame members, or other obstacles to act as
heat shields between the hazard area and the detection
cable. Attach to vehicle with rubber-coated 5/16 in. (8 mm)
P-Clamps or double-loop cable ties.
2. Do NOT
install linear Detector within 12 in. (305 mm) of
any area that will become extremely hot during operation,
such as:
• Engine blocks
• Exhaust manifolds
• Exhaust tube(s) Mufflers
• Turbochargers
Note:
Maximum installed ambient temperature at the linear
Detector location is 250 °F (121 °C).
3. Make certain to use an adequate length of linear Detector
to effectively detect a fire. To reduce possibility of damage,
only use as much Linear Detector as necessary to cover the
hazard area(s).
4. The minimum bend radius for linear Detector must not be
less than 2 1/2 in. (64 mm). See Figure 4-3.
5. May be installed anywhere on main trunk after the EMA (if
used). See Figure 4-3.
6. If last device, install an EOl Device (Part No. 439396) on
the end of the Main Detection Circuit. see Figure 4-3.
7. After reviewing the above instructions, select the appropri
-
ate length linear Detector to cover the hazard area(s). see
Components, page 2-3, for available sizes.
8. Whenever possible make end point connections outside the
hazard area(s).
9. Keep the detector as far away as possible from vehicle
electric cables, particularly power cables to and from gener
-
ators and electric motors.
FIGURE 4-3
LINEAR DETECTOR INSTALLATION
009194
sPOT THErMAl DETECTOr sElECTION AND
PlACEMENT
Use spot thermal detectors to meet single-point detection
requirements.
Note: When using spot thermal detectors, plan to locate a
minimum of two (2) detectors in each hazard area. large
hazard areas will require additional detectors.
1. select according to temperature range relative to hazard
temperature (refer to table).
Rated
Maximum
Operating
Hazard
Temperature Temperature
Detector
°F (°C)
°F (°C)
Color
Part No.
250 (121)
210
(99)
Blue
438280
350 (177) 256 (125)
red
438281
2. Mount using provided bracket and heat shield on a flat
surface that will properly support the detector during all
vehicle operating and environmental conditions (e.g. shock
and vibration).
CHECKFIRE 110
Detection and Actuation System
BEND rADIUs
NOT lEss THAN
2.5 IN. (
64 mm)
MAIN DETECTION
CIrCUIT
EOL
DEVICE
Содержание CHECKFIRE 110
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Страница 6: ...REVISION RECORD PAGE 2 REV 0 2014 MAY 01 NOTES CHECKFIRE 110 Detection and Actuation System ...
Страница 22: ...SECTION 3 USER INTERFACE PAGE 3 4 REV 0 2014 APR 30 NOTES CHECKFIRE 110 Detection and Actuation System ...
Страница 68: ...SECTION 7 IN CASE OF FIRE PAGE 7 2 REV 0 2014 APR 30 NOTES CHECKFIRE 110 Detection and Actuation System ...
Страница 84: ...SECTION 9 TROUBLESHOOTING PAGE 9 10 REV 0 2014 APR 30 NOTES CHECKFIRE 110 Detection and Actuation System ...