TEC247 Fire & Extinguishant Control Panel – INSTALLATION & OPERATION MANUAL
DOC NO. PRMAN-0003 TEC247 Rev 04.12 191209.docx - 14 - E. &O.E.
8. TECHNO TIP
All fire control panels have some outputs that must be monitored for open or short circuit fault. These outputs would
typically operate devices like bells, sirens, beacons, detonators, solenoids or relay contacts. All these installations
will require End-of-Line (EOL) devices and Zener diodes as shown below:
FIGURE 16 FIGURE 11: WIRING DIAGRAMS
NB: The earth of these devices must be terminated at the fire control panel only.
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