Question about Honeywell Programmable Thermostat Heater
I have a wall unit Honeywell Thermostat that will stay on and overheat the circurit breaker, I have to turn the breaker off to get the heat to turn off what is the problem? The information on the panel is T834n1002, 30 V max class 2 1020
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Posted on Jan 02, 2017
The honeywell tradeline thermostat would work as a direct replacement (no mercury in the new ones), however if your using just heaters and no cooling system off of it, you could Heat only thermostat from honeywell that would replace your unit as well. Both at available at Ace Hardware with the heat only unity being roughly 7 dollars cheaper.
Posted on Jan 23, 2008
SOURCE: HONEYWELL CM921 ROOM THERMOSTAT
Remember the is a time and temperature controller if you want to use as an ON/OFF controller please ensure you OFF times are set to LOW temperatures for example at 8:00am I want the boiler firing to 21°C at 10:00 I want the boiler to go OFF at 5°C so ensure all so called OFF times are set to LOW temperatures.
Posted on Oct 27, 2008
You most likely have a heat pump, the aux heat (usually electric) comes on anytime the room temperature is 4 degrees below the thermostat setting. Does the buzz go off when the aux heat lite goes out? If the aux heat does not shut off then the primary heater (heat pump) is not putting out enough heat to satisfy the thermostat. I need a little more info. Do you have a heat pump? Is it working?
Posted on Nov 26, 2008
On your thermostat - R is the power in terminal. Y is the cooling out. W is the heating out. (G is fan out). It does not matter which wire goes to R, the other should go to W - if no heat with a call, the thermostat is bad.
Posted on Apr 17, 2009
site shows this thermostat is a non programmable unit and has been discontinued. none of the info sheets including a pdf shows a replacement battery. this thermostat operates off line voltage only. check for a control fuse or breaker on your heating unit.
Posted on Oct 17, 2009
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