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WIRING A hONEYWELL CT60A

CONNECTING TO POWER WIRES

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 116 Answers

SOURCE: Updating old honeywell thermostat with a new honeywell thermostat

check in the unit heater to see what is hooked up most only need to have red from transformer white to call for heat and green to make the fan run in man and somtimes common usually blue or black

Posted on May 10, 2009

james3751
  • 614 Answers

SOURCE: Honeywell Central Heating temperature control

R comonY cool W heat G fan C other side of 24 unless you are battery operated. On the back of the Tstat tou should have switch that says gas or electric this controls how the fan operates. If not go into programing and program 1 stage heat one stage cool.Let me know I will walk you thru this.

Posted on Nov 18, 2009

hvac1960
  • 2133 Answers

SOURCE: Y1 W1 Wire from older Honeywell to new RTH honeywell

Y1 means for cool and W1 means for heat. Connect accordingly.

Posted on Dec 02, 2010

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1 Answer

You: Hi. I am installing a Honeywell wifi rth6500wf replacing a American standard thermostat. I have an extra wire for the c terminal, but there is no c connection on the furnace terminal block. There is...


You should have more wires than just two, and you should also only have 1 power wire at the thermostat. Red is usually the power, white is usually for heat, unless it's the wires going to the outside unit. On a normal system, those two wires are the power and common going to the contactor. Heat pumps have more. However, you will not actually need a common terminal, all commons are just grounded to the units housing, therefore your common is nothing more than a ground wire. Hope this helps!

Nov 26, 2013 | Honeywell Programmable Thermostat Heater

1 Answer

How do I connect up the wiring for this please


Yellow/yellow wires are connected to 24volt power supply.powered only on a demand.Red/red is a isloated end switch to turn something on during a demand.Using the end switch can sometimes be optional.

Mar 20, 2010 | Honeywell Heating & Cooling

2 Answers

Wiring new RTH2310 DIY Honeywell


sounds like you've got bear wires touching at the new tstat

Sep 18, 2009 | Honeywell Focus 6300B 5-2 Days...

1 Answer

Updating old honeywell thermostat with a new honeywell thermostat


check in the unit heater to see what is hooked up most only need to have red from transformer white to call for heat and green to make the fan run in man and somtimes common usually blue or black

May 09, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

I have amanual honey well and I want to change it to a programable honeywell but the two wires on the manual thermostat are not labeled, so I don't know where to connect the wires to in the new thermostat


Wires for thermostat control circuits are normally color coded. Check for proper connections at the furnace and connect the same colored wires that you find at the furnace to the like lettered terminals on the new thermostat. R to R, W to W , Y to Y , ans G to G. R is for power to the thermostat, W is for heating, Y is for cooling and G is for furnace fan operation.

Nov 14, 2008 | Honeywell Heating & Cooling

1 Answer

Hooking up wires. where?


Connect one wire to R or Rh.
Connect the other wire to W.
This should allow you to use the thermostat with battery power.

Nov 14, 2008 | Honeywell Focus 6300B 5-2 Days...

1 Answer

Im changing an old honeywell thermostat with a new honeywell thermostat. the old on has wires 4 wires connected to 4 screws C,R,G,W but the new thermostat has a place where the wires go which are...


Yes, I believe that you will be fine. If the original wiring is correct then I have listed the basic wiring below. As always read the directions and make sure the wiring matches your system.

Red wire = Rh (24v power, should have an exsisting jumper to RC)
White wire = W (heat mode)
Yellow (or sometimes blue) wire = Y (A/C)
Green wire = G (Indoor Fan)

Jul 03, 2008 | Honeywell Heating & Cooling

2 Answers

Wiring on thermostat tl7235a1003


OK, here's my guess at this...I hope someone more knowledgable will confirm or correct me.

A line voltage thermostat switches the power to the baseboard heater. In other words, it's just like a wall light switch except it activates and deactivates based on the temperature.

I think your old model CT62 was wired exactly like a light switch. The hot wire to the light is broken then run to the wall switch and then back to the light so there's no neutral wire at a light switch box. This worked fine for your CT62 because it did not need power, it only needed to switch it.

The new model TL7235A1003 requires electrical power because it's programmable so you need both a hot wire and neutral wire at it's installed location. In addition you also need 2 wires leading to the baseboard heater so the thermostat can supply it's power.

I believe L1-L2 are to be connected to the hot/neutral wires, and the Load wires go to the baseboard heater.

If I am correct you will not be able to use this thermostat without some re-wiring.

Good luck.

Nov 27, 2007 | Ingram GMS90904CXA Heater

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