Question about Honeywell Programmable Thermostat Heater

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Yes,a little more inf.that ight help solve my problem a little quicker.let me start from the begining.my wife kept switching from heat to air until my themostat finally stop working.it use to be hooke

Can press in on the plumer button on the contactor and the unit will kick on,but goes right off when let go..the themostat stoped working,my family switched from heat to air condition back n forth until it stoped working.i was going to replaces the white-rogers with a honeywell,which i though would be simple,so i didn,t label the wires.but then i forgot that the heat pump had been disconnect and got the heat from air handler/furnance.which gave me no clue on how to wire this new honeywell.white-rogers was a -1f58w-72,and the new honeywell is a rth2300/rth221,can anybody give me a correct wiring pattern

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  • Thomas Woodburn
    Thomas Woodburn Apr 16, 2017

    With tstat off the wall wire nut red green and yellow. That's power, indoor fan and compressor. Make sure it is cooling, not heating and the compressor is running. If it is not cooling and the compressor is running add the orange wire to the bunch and try again. Once you figure out the cooling. WRITE DOWN WHAT WIRES YOU USED TO MAKE IT COOL and message me back. Remember to turn power off to AHU when messing with the tstat wires.

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Only the original new manual will give you the wiring. The bad news in manufacturers do not always use the t=same colors to d the same things. God Bless
John. Same happened to me and I guessed till it started functioning properly. Sorry

Posted on Apr 16, 2017

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6ya6ya
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Posted on Jan 02, 2017

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billyvangogh
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SOURCE: I'm replacing my old thermostat with a honeywell

usually you should have 4 or 5 wires....if you have AC then this wire should be Y if not was it connected at all before?...Heating requires only R&W

Posted on Oct 25, 2009

  • 215 Answers

SOURCE: New thermostat..have heat but not A/C help....

What are you setting the thermostat to when you turn on the AC , if you turn on the AC and the house is warm you will need to turn the AC down to a lower setting before the the AC will start up.

Posted on Mar 14, 2010

heatman101
  • 43501 Answers

SOURCE: Want to replace a White-Rodgers

Hi,

Here is a tip that explains the wiring and the color designations...

Thermostat Wiring and Terminal Designations


Thermostat Problems - How to Change the Thermostat for Heating or Cooling



heatman101

Posted on Dec 31, 2010

flatech
  • 111 Answers

SOURCE: How does one wire a 24 volt White-Rogers evaporative cooler controller replacement for an ancient mercury switched Honeywell controller?

Red wire, R with a jumper to RH
White , W
Green, G
Yellow, Y
Make certain you understand thermostats come setup for gas, so pay attention to what your heat/cool unit is, that's very important, also make sure to shut off the power to your system before removing the thermostat.

Posted on Jul 11, 2014

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