Vista-128BPEN Installation and Setup Guide
3-8
The alarm current on zone 1 supports only one smoke detector in the alarmed state.
UL
In UL985 household fire installations, zone 1 is the only hardwired zone that may be used for fire. Polling
loop/wireless zones programmed as fire are not affected.
Compatible 2-Wire Smoke Detectors
DETECTOR TYPE
DEVICE MODEL #
Photoelectric, direct-wire
System Sensor 2W-B
Photoelectric w/heat sensor, direct-wire
System Sensor 2WT-B
Ionization w/B401B base
System Sensor 1451
Photoelectric duct detect (DH400 base)
System Sensor 2451
Ionization duct detector (DH400 base)
System Sensor 1451DH
Ionization, direct-wire
System Sensor 1100
Photoelectric w/B110LP base
System Sensor 2151
UL
These smoke detectors are UL Listed for use with the VISTA-128BPEN and are the
only
2-wire smoke detectors
that may be used.
Wiring 2-Wire Smoke Detectors to Zone 1
2K EOL resistors must be used on fire zones and must be connected across the loop wires of each zone at the
last detector.
To wire 2-wire smoke detectors to zone 1, perform the following steps:
Step Action
1
Select up to 16 2-wire smoke detectors from the list of compatible detectors.
2
Connect 2-wire smoke detectors across zone 1 terminals (10 and 11) as shown in
Figure 3-10
. Observe proper
polarity when connecting the detectors.
3
Connect the EOL resistor at the last detector in the loop across the zone 1 terminals.
The EOL resistor
must be connected across the loop wires at the last detector.
2k EOLR
ZONE 1
SMOKE
(+)
(-)
2-WIRE SMOKE
DETECTOR
10
11
(+)
(-)
Figure 3-10: 2-Wire Smoke Detector on Zone 1
Using 4-Wire Smoke Detectors on Zones 1-8
You may use as many 4-wire smoke detectors as can be powered from the panel's Auxiliary Power output without
exceeding the output's rating (750mA).
•
NFPA limits the number of 4-wire smoke detectors to 18 per zone.
•
Auxiliary power to 4-wire smoke detectors is not automatically reset after an alarm, and therefore must be
momentarily interrupted using either the J7 smoke detector reset output trigger or a 4204 Relay Module.
Compatible 4-Wire Smoke Detectors
Use any UL Listed 4-wire smoke detector that is rated for 10-14VDC operation and that has alarm reset time not
exceeding 6 seconds. Some compatible 4-wire smoke detectors are listed below.
Detector Type
Detector Model #
Photoelectric, direct wire
System Sensor 4W-B
Photoelectric w/heat
sensor, direct wire
System Sensor 4WT-B
Wiring 4-Wire Smoke Detectors
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