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Author Topic: Correct "response time" setting for a 2WT-B detector?  (Read 156 times)

tim_ellis

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Correct "response time" setting for a 2WT-B detector?
« on: June 19, 2017, 11:15:55 PM »
Hopefully a simple question, but I couldn't find the answer to it in any of the manuals.

I have a 2-wire fire zone on a Vista 20P panel with a single 2WT-B detector on it. This system was inherited, and I've been cleaning up some, let's say, "errors" in the programming. One thing I haven't been able to work out on my own is what the correct response time (RT) setting should be on the wired smoke detector zone. My options are:

  • 0 = 10 msec
  • 1 = 350 msec
  • 2 = 700 msec
  • 3 = 1200 msec (1.2 sec)

It's currently set to 1.2 seconds. Is there a more correct value? I don't care so much about instantaneous response, but I care very much about the panel detecting a fire correctly each and every time it's asked to.

 

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