Question about Heating & Cooling
Rthl 2510 honeywell thermostat on tempstar heat pump model number hps018a2c1. According to wiring diagram its correctly hooked up. Have a blue wire that is says not to use- if this type of heat pump has auxiliary heat feature? Hooked up thermostat in summer, conncected blue wire and air conditioner worked. Did not check heat. Tried heat recently with no luck. Rewired according to honeywell thermostat directions (on theory this tempstar unit has aux. heat). Now nothing works. The fan option where you can make fan run continuously will not even work. Went thru advanced programming options as well. No luck. Flipped all breakers on and off in fuse panel inside. Pulled exterior breaker on outside as well and reinstalled.
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Posted on Jan 02, 2017
DID YOU CONNECT TO TH SAME END YOU TOOK OUT WHEN PAINTING WE ARE DOWN TO THE CONNECTION @ THE HEATER MAKE SURE THE OTHER END OF TH ELEMENT IS CLOSED WITH WIRE NUTS AND TIGHT , LIKE I SAID WE ARE DOWN TO THE HEATER CONNECTIONS SO LOOK THERE
Posted on Dec 23, 2008
I am an electrician. You must measure the voltage across the black and red wires. Measuring each wire to the neutral will not cut it. If both your red and black wire are on the same phase the heater will not work.
To double check your wiring, measure the voltage across the two screws feeding your subpanel, they should be 240v or 208v depending on your power company. Then do the same at the breaker feeding your thermostat. Again it should read 240v.
If you have no potential across the screws it is possible that you installed an incorrect breaker. Not all breakers with two screws on them are 240v breakers. There is what is called a twin or split breaker that has two screws that are on the same phase. These are for wiring two 110v circuits, when you run out of spaces in the panel.
Double check everything. This is a relatively easy circuit to wire, even for homeowners. If the heater does not work them something is wrong so do not leave the circuit energized.
Posted on Mar 16, 2009
if you cross the two wires and you see a slight spark and heat comes on, then the problem is in the thermostat, if not then problem is at furnace it self.
Posted on Apr 26, 2009
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