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Compatible Device Model #
Smoke Detectors (System Sensor)
Photoelectric 2100
Photoelectric w/ 135° heat 2100T
Photoelectric w/heat sensor, direct wire 2300T
Photoelectric, direct wire 2400
Photoelectric w/heat sensor, direct wire 2400TH
Photoelectric w/B401B base 2451
Photoelectric w/heat sensor & B401B base 2451TH
Ionization 1100
Ionization, direct wire 1400
Ionization w/B401B base 1451
Photoelectric duct detector w/DH400 base 2451
Ionization duct detect. w/DH400 base 1451DH
Zone 1 Advisories
If the EOLR is not at the end of the loop, the zone is not properly supervised. The system
may not respond to an open circuit within the zone.
The alarm current provided by this zone is sufficient to support operation of only one
detector in the alarmed state.
Hard-wired Zones 2Ð8
Applications Can be used for EOLR supervised or closed circuit unsuper-
vised devices. EOLRs are required for UL installations. Can also
support 4-wire smoke detectors. Zone 8 can support latching
glass break detectors.
Zone Response Type Any, except types 20Ð22 (these are used only for 5800 series
wireless transmitters).
Max. Zone Resistance ¥ Zones 2Ð7: 300 ohms, excluding EOLR
¥ Zone 1, 8: 100 ohms, excluding EOLR
Unsupervised Usage ¥ EOLR disabled in field *41 (enter 1).
¥ Only closed circuit devices can be used.
EOLR Supervised ¥ EOLR enabled in field *41 (enter 0).
¥ Supports both open circuit and closed circuit devices.
¥ Connect open circuit devices in parallel across the loop. The
2,000 ohm EOLR must be connected across the loop wires
at the last device.
¥ Connect closed circuit devices in series with the loop.
Glass Break Devices ¥ Supports up to 50 2-wire latching type glass break detectors.
on Zone 8 ¥ Configure as EOLR zone.
¥ Second CODE + OFF sequence momentarily interrupts
power to reset the glass break detectors.
¥ See table that follows for compatible detectors.
Smoke Detectors ¥ Supports as many 4-wire smoke detectors as can be powered
on Zones 2Ð8 (see UL note on next page).
¥ Assign zone response type 09 (fire).
¥ The zones must be configured for EOLR supervision.
¥ A normally-closed, momentary switch must be installed in
series with the power to the detectors in order to allow reset of
the smoke detectors after an alarm.
¥ The detectors must be wired in parallel, with the EOLR at the
last detector for full supervision.
¥ To supervise power, a System Sensor No. A77-716 EOL
Relay Module is recommended.