Question about Honeywell RTH8580WF WiFi Thermostat

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My hold thermostat has a jumper Withe wire to W2 to E and yellow wire W1 to Y how can I pluget to the new RTH8589wf

Yellow wire from old thermostat had a jumper wire witch is W1 and Y how can I connected to the new model. and also withe wire has a jumper wire witch is W2 witch terminal should I use on the new model

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Posted on Jan 02, 2017

machtcl1
  • 61 Answers

SOURCE: Thermostat Wiring: W2? E? Where to connect?

You have a heat pump. You need a thermostat for "Heat pump with Electric back-up heat". Make sure the 'stat has either an "aux" (auxilliary heat) or an "E"(Emergency heat) terminal. The wiring instructions will be provided with the thermostat.

Posted on Dec 16, 2008

  • 96 Answers

SOURCE: Upgrading Thermostat

Looks like your system is a heatpump system and that t-stat will not run a heatpump , you need a t-stat for 2heat and 1 cool systems

Posted on Feb 01, 2009

  • 1 Answer

SOURCE: Wiring

This will depend on type of system, standard high efficent furnance or heat pump. The orange terminal is for the reversing valve on the heat pump for the cooling cycle. Your best bet would be to get a thermostat that is fitted to your furnace instead of a universal t-stat. If I knew what brand of furnace, I could be more help.

Posted on Jun 01, 2009

  • 20 Answers

SOURCE: i am installing honywell thermostat rth111/rth221

The red does go to RC, but the yellow should go to the W terminal, in HVAC W=heat Y=Cool, so aslong as the same wire is on RC on the t-stat, and RC on the unit, and same wire to the W on the t-stat as to W on the unit it should work!

Posted on Feb 02, 2010

SOURCE: Replaced Bryant T-stat model TSTATBBNB001 with Honeywell t-stat

Hello,You forgot to wire the O terminal w1 witch is the reversing valve.It is important to check if old stat is using O or B in witch case B terminal=w1 leaving O unused.

Posted on Apr 21, 2010

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Wiring honeywell th8320u1008


Be sure you are looking at the letters set up for heat pump. Orange should be "O". Remove jumper between w2 and e. Then be sure you have the settings correct in the tstat for a heat pump with back up heat. Good Luck!!

Mar 28, 2017 | Heating & Cooling

1 Answer

I am wiring a honeywell thermostat model number ct87n if I select fan on the fan runs when out on auto /heat nothing but if I put on auto / cool and adjust the dial to a low setting the hea comes on....


there is it all depends on how many strands of wire are in there, they start at 2 wire and go to i think 8 wire and maybe more.
The wires are as follows:
1. red = power to stat.
2. green = fan control
3. blue or yellow = ac
4. white = heat
w1 = 1st. stage heat
w2 = 2nd. stage heat.
i am on line if you have any questions. wally

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2 Answers

The Honeywell LR69071 (old) has 7 wires connected labeled (X W2 R O Y G E) The Hunter 44860 (new) has wire connections for ( Y1 Y2 W2 G RH RC/R B W1 E O C L) What connects with what? There is also a jumper...


Wiring on the old one, "X", probably a brown wire will not be used on the new stat. If it's a blue wire, this may be your common. "E" and "W2" probably wired together with a white wire, this controls electric heat. "R" with a red wire, this is 24 volt power. "O" is an orange wire, this is the reversing valve. "Y" is a yellow wire, this is the contactor. "G" is a green wire, this is the blower. This pretty accurate? On the new stat, the jumper should be connecting "RH" to "RC/R", leave it in and wire the "R" from your old one to either terminal. White from the old one will go to the "E" of the new one. If your electric heat doesn't work after the install, you may need to jumper the "W1" and "W2" with the "E". "O" wires to "O". "Y" from the old one wires to the "Y1" of the new. "G" wires to "G". "C" on the new one is common. Usually a blue wire goes here. If "X" on the old one was blue, plug it into the "C". If it was brown, I'd suggest not using a common, and installing batteries. Hope this helps.

May 03, 2010 | Hunter Fan Company 7-day programmable...

1 Answer

Replaced Bryant T-stat model TSTATBBNB001 with Honeywell t-stat


Hello,You forgot to wire the O terminal w1 witch is the reversing valve.It is important to check if old stat is using O or B in witch case B terminal=w1 leaving O unused.

Apr 21, 2010 | Honeywell Heating & Cooling

1 Answer

Replaced Bryant T-stat model TSTATBBNB001 with Honeywell t-stat


Your original wiring configuration seems to indicate that you have an air conditioner (not heat pump) and either a gas or electric furnace. If this is the case you may need a different thermostat for your application.

Apr 21, 2010 | Honeywell Heat/Cool Thermostat

1 Answer

Trying to install new programmable thermostat.


Standard hook up for Heat pump.
Red wire----------R
Green-------------G
Blue----------------C
Yellow-------------Y
Orange------------O
White--------------W1 with a jumper to E sometimes will also say Aux, varies with Manif. of T-stat.

Hope this helps you out.

Oct 20, 2009 | GE Zoneline AZ55H09D Air Conditioner

2 Answers

Thermostat Wiring: W2? E? Where to connect?


You have a heat pump. You need a thermostat for "Heat pump with Electric back-up heat". Make sure the 'stat has either an "aux" (auxilliary heat) or an "E"(Emergency heat) terminal. The wiring instructions will be provided with the thermostat.

Dec 15, 2008 | Honeywell Electronic Programmable...

2 Answers

I have a Ruud thermostat want to change to totaline p274-0200-c


what are the choices on the new t-stat need to know that first

Nov 23, 2008 | Ruud UBHC Air Conditioner

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