Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Carrier air conditioner problem
My Carrier unit did the same thing. It was low on refrigerant (Puron in my unit). I am worried I have a leak somewhere. Hopefully, it is not in the coil. The service call wasn't cheap either. Puron runs around $10-15 a pound and mine took several pounds to replenish.
Posted on Aug 03, 2008
there is a thermo-sensor switch next to the circuit board that tells the fan switch to turn on when the plenum is hot enough. this needs to be replaced.
Posted on Dec 16, 2008
sounds as if your low voltage transformer might have bit the bullet will need replacing all of the devices you mention are powered by this one low voltage t-stat
Posted on Jan 01, 2009
Hi, you have replaced the stat several times, and adjusted the anticipator so its not the stat.This is a split gas/elect unit, and working on these for many years and looking at some of the solutions given, they are right.You need to be looking at the Furnace fan control.Units of that age they do tend to stick open and run constantly.I doubt its the fan relay, maybe if you were in the cooling mode.Fan controls are not that expensive. You probably have a Honeywell 7" to 11" Probe, with the auto/manual button, with a temp dial to set you're on off temps. I would inspect the heat exchanger for any signs of cracks or bulging being its that old. If you find any, you are looking at carbon monoxided and should be thinking about an upgrade soon.Also flame roll out.I am thinking of you're safety is all.If you do have this type of fan control, there is a tab that has to be cut before you install for 24v. control.It comes set for 120v. and will burn out all of your 24v. componants.Those old Bryants will run for years. Good Luck!
Posted on Nov 14, 2009
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