Wired Heat Detectors Frequently Asked Questions

How Do I Test the ESL 521BXT for Smoke Detection?
To test a 521BXT for smoke detection, shoot canned smoke into the vents of the device. A loud siren emitting from the detector indicates a successful test.
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How Do I Reset the Polling Loop Smoke Detector on a VISTA 128BPT?
The 5193SD and 5193SDT smoke detectors do not contain sounders. Because of this, a reset is not required after a fire alarm occurs on the Vista 128BPT.
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Where Can I Buy System Sensor 4-Wire Smokes?
System sensor 4-wire smokes can be bought from most online alarm companies. Unlike wireless smokes, they are typically unavailable in standard retail outlets.
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Is there a Battery in a 2WT-B Photoelectric i3 Sensor?
No, the 2WT-B smoke detector, by System Sensor, is a low voltage smoke detector that gets its power from an alarm panel. Read on to see how the 2WT-B works.
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What's the wire length limit on a Honeywell VISTA's polling loop?
There are strict limits on polling loop distance, based on current drawn, and wire gauge used. Learn the rules and limits for wiring the polling loop.
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How Do I Connect a 4193SN to a VISTA-128BPT, 250BPT or VISTA-50?
The 4193SN connects to the Vista-128BPT, 250BPT, or 50 through the polling loop on terminals 24 (Positive) and 25 (Negative). Learn how to wire the 4193SN.
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How Do I Program a 4193SN to a VISTA-128BPT, 250BPT, or VISTA-50?
The Vista-128BPT and similar panels use a polling loop for wired expansion. In zone programming, use input type to identify zones. Learn to program a 4193SN.
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Should I Use Resistors on my VISTA 21iP?
When using hardwired zones, it is more secure and tamper proof to use End of Line Resistors to supervise zone wiring. Find out the pros and cons here.
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Lyric Gateway Vs. Honeywell Vista System
This comparison chart highlights common features between the two panel types. Decide which panel is right for you.
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Can I use Lyric as a keypad on 15P, 20P, 21iP, 128bpt?
Can the Lyric be used as a touchscreen keypad for other systems?
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