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vent limit switch keeps tripping

Posted: Wed Nov 17, 2010 7:12 am
by omer123456
Hi,


model - GL1RC 100D-16B

The vent safety switch keeps tripping. Especially on very cold days wen the hvac has to heat up house from 50F->70F

It trips after the house warms up to mid 60's or one hour (approx), which ever comes first. when you reset hvac runs fine until it trips again


thx

Re: vent limit switch keeps tripping

Posted: Fri Nov 19, 2010 4:56 am
by Robert
Hi,

There is a vent pressure switch and a supply air limit switch. Which one is tripping ?


Thanks,
Robert