Question about Honeywell Heating & Cooling
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Posted on Jan 02, 2017
Brown my friend is for the 4 way valve solenoid, that is if you have a heat pump, ( it uses freon for heating instead of natural gas) perhaps you got the wrong thermostat, if you have a brown you need a thermostat for a heat pump, a regular thermostat is not going to have a brown connection.
Posted on May 08, 2008
SOURCE: Thermostat wiring
your best bet and where i would start is to identify where the coulors are conected at the fernace. in the industry we use standard wireing coulors wher green is g for fan and red is rh=switched trans power for heating . rc=switched transformer power for cooling . now normaly there is only one transormer so you would put a jumper from rc to rh and conect the red wire from the furnace to eather of these.jumper installed. the y is your cooling witch is normaly the yellow wire. o on the stat is for a heat pump if you nead to energize reversing valve in cooling mode . w is first stage heating and this can be conected to eather brown or white youll have to check at the furnace to see witch it is . the final wire eather brown or white should be conected to c or 24v common witch you didnt say you see on the thermostat. once again
red to rc and rh
green to g
yellow to y
brown or white to w
brown or white to common or c
please post feadback hope i was of help
Posted on Oct 21, 2008
Every thing the same except take your blue wire and replace the yellow for it. So when you hook it to t-stat goes like this
Red to R
White to W
Green to G
Blue to Y
Posted on Jan 16, 2009
Unfortunately, a strick standard does not exist for wire terminals and colors. However, there are "norms" which I will be happy to share with you.
Red - Rh & Rc (Jumpered)
Blue - C
Yellow - Y
White - W
Green - F
Note: this is assuming you have only ONE transformer in your low voltage circuit for both heating and cooling. If there is a low voltage transformer at your outdoor unit you will need to seperate Rc & Rh. At this point, I have to recommend a trained, qualified service technician. A good service technician should be able to resolve the wiring issue in under 30 minutes.
I only wish I was able to look at exactly what you have to include tracing all the wire back to the furnace and condensing unit. Tracing the wire is the only sure-fire wire to do the job correctly.
I wish this could have been a black & white answer; however, I do hope you found this information helpful in your endeavor. Good Luck to you! :-)
Posted on Mar 10, 2010
Testimonial: "thanx,but i figured it out....new thermostat required a battery for led display...elim. blue added jumper-good to go....thanx though!"
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