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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have Electric Heat Pump and no C wire. Trying to

Customer Question

Hi. I have Electric Heat Pump and no C wire. Trying to figure out how to wire RTH 9580
Submitted: 2 years ago.
Category: HVAC
Customer: replied 2 years ago.
What happened to the HVAC expert who said I need to do the deposit?
Expert:  BillyHvac replied 2 years ago.
are you comfortable getting into the indoor unit?
Customer: replied 2 years ago.
Expert:  BillyHvac replied 2 years ago.
Ok so basically you need an extra wire for C and do not have an extra in cable correct
Customer: replied 2 years ago.
There is an extra Blue wire that was wrapped around the cable. I have a voltage tester and that Blue wire does not register 24 Volt like the W, Y and G wires. I find the blue wire in the heat pump and it is connected already, yet the green wire is wrapped around the outside of the cable at the heat pump.
Customer: replied 2 years ago.
do you now have online/real time chat service?
Expert:  BillyHvac replied 2 years ago.
The indoor unit or outdoor unit?
Tell me what colors are at thermostat.
and you are saying blue is NOT attached at thermostat but IS at air handler?
I see the chat request so will opt to someone with chat enabled right now.
Customer: replied 2 years ago.
At thermostat - R, W, Y and G (extra Blue, not connected and wrapped around outside of cable. At air handler, R, W, Y and B connected (Green is wrapped around outside of the cable).
Customer: replied 2 years ago.
if you can't help me now, I would like a refund....I cannot wait 24 hours.....ridiculous service.