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If the evaporator will ice up depends on the type of control if it is orifice or capillary tube control it may Ice up but if a thermal expansion valve called TXV this regulates the flow and it should not but I have seen TXV controlled system ice up a few times. As far as your system not shutting off when the temp is reached this is to keep the system from ...


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I would try connecting the C-wire to the existing 24V COM terminal on the relay and seeing if it works Your relay, thankfully, makes its C (Common) connection accessible (not all HVAC relay modules of that nature do). So, given that your Taco's transformer secondary is rated at 15VA (as per the label on the transformer) and the Nest only pulls about 5VA of ...


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It use to be necessary to have vents in the top of heating units and have those heating units located under windows when the heating units were hot water or steam units and heated rooms through convection. Condensation was very important to control because most windows were single pane and “sweat” a lot. Now with thermal pane windows and forced air units, ...


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You only use heating when it is cold. When it is cold, the windows will be cold. Running the heat up along the cold windows will allow the windows to suck the heat out of the heated air and to the outside. As you have it now, the air is being pushed out into the room to circulate and mix with the other room air, warming the space, not the windows. Eventually ...


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I was able to figure out it was the Draft Safeguard that was tripping. After digging around online some more there were a couple recommendations: Right when we purchased the home we redid the flooring immediately from linoleum that had a threshold at the closet to engineered hardwood and we did not put a threshold at the closet (effectively increasing the ...


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Probably not much help two years later but I was able to fix mine by cleaning the contacts on the circuit board with isopropyl alcohol for the up/down and light buttons. Seems it gets gummed up after years of use. Of course, take the batteries out before cleaning it.


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