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SECTION 4 – SYSTEM PLANNING
2014-APr-30 rEV. 0 PAGE 4-5
Detection Circuit Cable (Red Connectors) (Continued)
sPOT THErMAl DETECTOr sElECTION AND PlACE
-
MENT (Continued)
3. Connect directly to Detection Circuit Cable or connect to
Linear Detector assemblies.
4. Spot thermal detectors may be run in a branch from main
detection trunk. A branch terminator is required when
installed on a branch. See Figure 4-4.
CAUTION
Do not use an EOl Device at the end of a branch. The EOl
Device will cause incomplete detection circuit supervision and
the system will not function properly.
BrANCH
MAIN TrUNK
BrANCH
TErMINATOr
FIGURE 4-4
SPOT THERMAL DETECTOR BRANCH INSTALLATION
009195
5. Install an EOl Device (Part No. 439396) at the end of the
main detection trunk. see Figure 4-5.
MAIN TrUNK
EOL DEVICE
FIGURE 4-5
SPOT THERMAL DETECTOR MAIN TRUNK INSTALLATION
009196
Review complete plan layout for the following INCORRECT
INSTALLATIONS and adjust as needed.
INCOrrECT DEsIGN INsTAllATIONs
CAUTION
Do not use an EOL Device on a branch because the complete
detection circuit will not be monitored. (see Figure 4-6 and 4-7).
Double branching is not allowed. (see Figures 4-6 thru 4-8).
Failure to comply may cause the system to not function properly.
NO EOL DEVICE
ON BrANCH
NO DOUBlE
BrANCHING
FIGURE 4-6
INCORRECT EMA INSTALLATION
009197
EMA MUsT BE
ON SINGLE USE
BrANCH
NO EOL DEVICE
ON BrANCH
NO DOUBlE
BrANCHING
FIGURE 4-7
INCORRECT INSTALLATION
009202
CAUTION
Only one EMA may be installed from a detection circuit tee
on a single branch circuit. If multiple EMAs are to be installed,
additional branches on the main trunk will be required (one
EMA per branch). Incorrect installations will cause the system
to not function properly. see Figure 4-8.
EMA MUsT BE
ON SINGLE USE
BrANCH
NO DOUBlE
BrANCHING
FIGURE 4-8
INCORRECT EMA INSTALLATION
009198
CHECKFIRE 110
Detection and Actuation System
Содержание CHECKFIRE 110
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Страница 84: ...SECTION 9 TROUBLESHOOTING PAGE 9 10 REV 0 2014 APR 30 NOTES CHECKFIRE 110 Detection and Actuation System ...