Question about Carrier Heating & Cooling
Posted by Anonymous on
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Posted on Jan 02, 2017
. Several times of recyling power normally brings the furnance up. Though the failure code has always been 31, there are several different behaviour when the blower starts after reset :
a. blower simply creases.
b. there is an attempt to start the heating unit (I hear the high pitch noises), then everything stops.
c. there is an attempt to start the heating unit (I hear the high pitch noises), once I see the orange glow from the coil, normally the gas is lit up and the unit starts working.
Posted on Dec 18, 2007
SOURCE: I have a Carrier Weathermaker
you can disconnect the wire attached to w2 on the new stat and that way the stat will be unable to turn on the furnace when you push it more than two degrees above the room temp. if you leave the wire connected to w2 then anytime the stats desired temp is set more than two degrees warmer than the house, the heat pump and the furnace are designed to come on together till the temp approaches two degrees of set point then the furnace shuts down and the pump maintains. this way the pump will do its thing till it gets cold. (below 40 degrees). when that happens you can go to the stat and switch to emergency heat. this will power up only the furnace as soon as there is a first stage call for heat. it will not wait to see what the pump is doing and go to heating with furnace right away. you simply switch back to normal heat setting when temps go back above 40 degrees. the furnace is actually wired to two terminals on the stat. w2 is backup heat terminal you disconnect and the x terminal or aux terminal is energized only when you are switched into emergency heat.
Posted on Nov 10, 2008
Remove all power from the furnace, it is likely the brain in the furnace is need of being reset, from the battery replacement, why did you change the battery, was there an indicator telling you to change it?
Many times just removing all the power to the furnace will do the trick with a reset, if not let me know and we will go from there, but it sounds like the main brain is confused or bad, more likely confused, so try the power removed first.
Than let me know firstname.lastname@example.org
Posted on Nov 22, 2008
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