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Type: Posts; User: airwaveman

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    427

    2 inch enviro-tec tstat

    have a vav,enviro-tec w/2 inch tstat,i have set min and max b4,with good
    results,this one has had several hands in b4 me.is there a starting point,where i can turn the adjustments,min max,aux,one...
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    904

    it is the crecomzro2oao1 economizer i have 4 of...

    it is the crecomzro2oao1 economizer
    i have 4 of these at one building, they all seem to be doing the same thing ,which is open when they shouldn't be.
    they also have an iaq sensor.
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    904

    need help with new carrier economizers with an...

    need help with new carrier economizers with an iaq sensor
    have 4 new units all set up the same way
    econos keep opening on 90 degree days with 80+% humidity
    driving my customer nuts.sensor display...
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    1,324

    a couple more things to check return temp to...

    a couple more things to check
    return temp to cold;not enough load
    set point to low
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