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  1. #1
    Join Date
    Apr 2010
    Location
    Winnipeg,Manitoba,Canada
    Posts
    128

    carrier zone thermostats

    I have a building with an older Carrier zone system. Thermostats cat no.690040. These are the stats that have the rotary dial numbers 1-9 and letters A-F

    Problem that I am having is. I can not seem to set the set back temperature. I can set the over ride settings but once the over ride period is over it goes back to the set back temperatures.
    Does this have to be adjusted from the mother stat ? And then the zone stats ?

    Can not find any information online regarding these Carrier zone stats.

  2. #2
    Join Date
    May 2004
    Location
    SE Pennsylvania
    Posts
    898
    https://dl.dropboxusercontent.com/u/52548087/vvt-2xa.pdf

    You should have a monitor stat with a time clock. Check the date and time on that. Sounds like it is unoccupied. I cant seem to find the monitor stat manual, I will post it once I find it.

  3. #3
    Join Date
    May 2004
    Location
    SE Pennsylvania
    Posts
    898
    Sent you a PM

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