Question about Honeywell Heating & Cooling
Check the voltage coming off the thermopile it should be 600mille volts .
Posted on Oct 29, 2019
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Posted on Jan 02, 2017
This is a weird one, but make sure all the wire connections are in the correct place. I accidentally miss wired a heater like this and it did the same thing.
Posted on Dec 18, 2007
can you manually fire the unit w/o the thermostat by shorting 2 of the 3 wires, there may be more wires than that, but you should be able to fire it on 2 to 3 wires alone let me know it sounds like something is floating voltage wise on the unit
Posted on Oct 09, 2009
You need a specific thermostat for a Wall Furnace it is a Millivolt Thermostat and not a 24v standard thermostat....usually it will work anyway however if the powerpile (generator produces millivolts from the pilot light) is weak it may not be producing enough...or the Pilot light may be dirty and lazy...won't produce enough millivolts ...or you can have bad or dirty contacts or connections....or a combination of any of the above.....a 24v Thermostat and particularly a non-mercury thermostat has too much resistance in it for a millivolt system....as your Wall Furnace (other than the fan) runs on less than 1 volt
Posted on Oct 31, 2009
SOURCE: Honeywell dial theromostat.
you need to check the furnace itself for , locate the 24 volt ac transformer inside the unit and see if it is fused some are some not , check to see if you have 120 volt ac in from the source and 24 volt ac out , sounds to me as if you have lost the 24 volts ac which powers the thermostat as well as the furnace pay close attention as to how you remove the wires and make a diagram and you should be able to replace it yourself , once you get it uot goto a heating supply place in your area and let them match it up and this should be a fix ya
Posted on Dec 31, 2009
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