Using 2-Wire Smoke Detectors On Zone 1 - Honeywell VISTA-128BPT Installation And Setup Manual

Using 2-Wire Smoke Detectors on Zone 1

Zone 1 can support up to 16 2-wire smoke detectors.
The alarm current on zone 1 supports only one smoke detector in the alarmed state.
Compatible 2-Wire Smoke Detectors
DETECTOR TYPE
Photoelectric, direct-wire
Photoelectric w/heat sensor, direct-wire
Ionization w/B401B base
Photoelectric duct detect (DH400 base)
Ionization duct detector (DH400 base)
Ionization, direct-wire
Photoelectric w/B110LP base
These smoke detectors are UL Listed for use with the VISTA-128BPT/VISTA-250BPT and are the only 2-wire
UL
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.
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 21. Observe
proper polarity when connecting the detectors.
The EOL resistor must be connected across the loop wires at the last detector.
Figure 21: 2-Wire Smoke Detector on Zone 1
SECTION 4: INSTALLING THE CONTROL
DEVICE MODEL #
System Sensor 2W-B
System Sensor 2WT-B
System Sensor 1451
System Sensor 2451
System Sensor 1451DH
System Sensor 1100
System Sensor 2151
4-21