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Just bought a new honeywell smart wifi thermostat rh9585 - i
just bought a new honeywell smart wifi thermostat rh9585 - i have the wiring as follows from the furnace. Y to y - G to g - R to r - W to w. I have removed the jumper because I have a C and RC wire co… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
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I have two Carrier heat pumps in my home (one upstairs and
Hi Pearl... I have two Carrier heat pumps in my home (one upstairs and one downstairs) that use TSTATCCNHP01-B Carrier thermostats. I'd like to replace them with wifi enabled thermostats. I'm wonderin… read more
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Airheatman
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Changed thermostat to Rth7400/rth7500 Series from Braeburn.
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Brian HVAC Guy
Brian HVAC Guy
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I just purchased RTH6500 wifi. Followed wiring diagram but
I just purchased RTH6500 wifi. Followed wiring diagram but heat comes on. My original honeywell thermostat had jumper between W and Y and I feel this is the issue with the rewire … read more
Brian HVAC Guy
Brian HVAC Guy
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Im trying to replace an old honeywell thermostat with a new
Im trying to replace an old honeywell thermostat with a new honeywell programmable … read more
Brian HVAC Guy
Brian HVAC Guy
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I purchase a honeywell wifi thermostat, but I have a heat
I purchase a honeywell wifi thermostat, but I have a heat pump. trying to figure out the wiring. it seems that the W wire now goes to O/B, but not sure where the W2 wire goes. When the new thermostat … read more
gotoman for ac
gotoman for ac
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I have a Trane model TWE040E13FA1 Electric Air Handler and
I have a Trane model TWE040E13FA1 Electric Air Handler and Trane Heat Pump. I am trying to install a wifi thermostat that requires a C wire for the 24v power on the thermostat. I have extra wires to u… read more
Regan Land
Regan Land
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I am installing a nest thermostat in lieu of an my
Hi I am installing a nest thermostat in lieu of an my communicating Bryant stat. I currently have ABCD labeled wires. Reading this thread, I understand I can move them in the furnace to RWYG. My quest… read more
Billy
Billy
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I just changed to a wifi thermostat and now the hz221 won't
I just changed to a wifi thermostat and now the hz221 won't turn to Green cool … read more
Billy
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I just installed a honeywell wifi thermostat and got the
i just installed a honeywell wifi thermostat and got the cooling system to work but whenever i tried to run the heater the system would start for a few seconds then stop. the system would shut off als… read more
Brian HVAC Guy
Brian HVAC Guy
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I am trying to connect my wifi honeywell tstat, have
I am trying to connect my wifi honeywell tstat, have connected the wires to the correct terminals. I have the system set to heat and the condenser is kicking on. There are three zones in the house and… read more
Airheatman
Airheatman
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Have honeywell 9000 wifi thermostat where do I put the w and
Have honeywell 9000 wifi thermostat where do I put the w and w2 wires. Already have emergency heat wire and o wire.… read more
Airheatman
Airheatman
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I am installing a new Honeywell thermostat model RTH7600D.
I am installing a new Honeywell thermostat model RTH7600D. It is replacing a Lennox thermostat that utilized the wires y1, r, w1, g, o, c. What positions will these be placed in the new thermostat. Th… read more
HVAC Guru
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I recently bought a honeywell thermostat Model# TH8320ZW and
Hello I recently bought a honeywell thermostat Model# ***** and was wondering if my existing system can be swapped out with this new one. Blue wire= C, Pink wire= DHUM, Black = S1, Brown = S2 Orange= … read more
Phil
Phil
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I have a carrier fan coil system with the following wires:
I have a carrier fan coil system with the following wires: R, G, Y1, G3, W1, G2, C, H2O. I'm trying to install a Honeywell RTH9580WF thermostat. Where does the H2O wire connect?… read more
Billy
Billy
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Hello, I am Jerry in OklahomaI have an older model Rheem
FYI....I am not currently at the unit. I am at work. Hello, I am Jerry in Oklahoma I have an older model Rheem mercury switch thermostat. I am installing a new Honeywell RTH6350. The Rheem has 4 wires… read more
MattR757
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How to identify the C wire on my Honeywell thermostat?
I want to put a Honeywell RTH8580 thermostat on my Trane WCH042C100AA heat pump. I do not have a C wire on my existing Braeburn 3000 thermostat. Where do I find a C wire in the unit? I have extra wire… read more
Brian HVAC Guy
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Honeywell Wifi RTH 8580 WF temperature keeps increasing
Just installed a honeywell wifi rth 8580 wf. It went smoothly connected to the internet and started running immediately. I noticed all day the indoor temperature was increasing. It was set on 75 for t… read more
Phil
Phil
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Degree, Mech Engr Technology
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Phil

Phil

Mechanical Engineer

7,426 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

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Matthew

Matthew

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Brian HVAC Guy

Brian HVAC Guy

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Kenton Guidry

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Rick Ridley

Rick Ridley

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Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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