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Re: bryant a/c heat pump "model540bj024"
I have to start with the wire diagram. Find the circut board. Look for any connections marked to the thermostat and follow to what they go to. See what other controls it has pressure sw, tenp sw, ,,, then decide how its suppose to work.
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Hi, if you are planning to change this system out, please stay with a gas fired central system as compared to a heat pump, they are much more cost effective. Heat-pumps have so many problems as there are more parts on them to go wrong. The compressor and condenser fan motor run year around as with a heat-pump they use what is called a reversing valve that changes the flow of freon making the indoor coil the outdoor coil and the same with the outdoor coil becomes the indoor coil in the winter season. I can recommend excellent gas fired units compared to the Brivis unit you have that is much more cost effective, such as the Bryant, Carrier, Goodman. I would go with a Bryant and talk to a dealer. Stay away from a heat-pump no matter what they tell you as I have worked on them for many years and if you have gas available, stay with gas. You will heat your home much faster and save on electricity as this heat -pump units need heat strips for back up heat as they can't keep up the temperature with out them. I hope I have been of help to you on this, and you will be kind when rating me as I know you will. Please contact a Bryant dealer as you will not regret it. Sincerely, Shastalaker7 A/C, Heating, & Refrigeration Contractor.
have you used the weed eater out by the condensing unit could be short in thermostat control wiring to outside unit or a stuck contactor in condenser control circuit try these first then if not there in furnace control circuit at board that jockeys between air and heat remove thermostat wires from board remember thier location bet it stops.
Sorry if I am answering this 2x. If it is just A/C then the red and white probably go to the coil for the contactor that cuts on the fan and compressor. If it is a heat pump then they probably go to a circuit board. Red to R terminal and White to W1 terminal. Let me know what you find.
Single stage heat pump. But you must have a two stage tstat for backup electric heat. You single stage cool two stage heat. The second stage brings on the electric heat in case the heat pump can not keep up. Wiring goes r y w1 on most heat pump tstats are switchover valve or o terminal. W2 second stage heat or emergency heat. g is fan c is common terminal.Rus