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Replace a carrier edge thermostat with a nest thermostat.

Customer Question
Replace a carrier edge...

Replace a carrier edge thermostat with a nest thermostat. New system and just want a nest

Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?

Have v+, v+ red, vg and vg black but the house only has two wires (red and black).

Contractor's Assistant: Do you plan on doing the work yourself?

Thermostat specific and yes do myself

Contractor's Assistant: Anything else we should know to help you best?

That's it

Submitted: 4 months ago.Category: HVAC
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Answered in 2 minutes by:
3/20/2018
HVAC Technician: airheatman, HVAC Technician replied 4 months ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,181
Experience: Furnace, A/C and heat pump specialist.
Verified

You can not use the Nest without running additional wires and doing away with the communicating system.Your Edge is not a conventional stat where each wire controls a certain component(EX Red is power,G controls fan, W controls heat,Y controls ac outside). The edge is known as a communicating stat

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HVAC Technician: airheatman, HVAC Technician replied 4 months ago

If you have further questions, please let me know.
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