Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: heat strip install
What color wire is connected to the "Y" terminal on the thermostat.
If the unit you are connecting is a heat pump A/C unit the orange wire is for the heating mode. Normally the "Y" terminal on the thermostat. "R" terminal on the thermostat is the power to the thermostat, "W" terminal is for heating, "Y" is for cooling, and "G" terminal is for fan operation. At the condensing unit for cooling the brown and yellow wires would normally be for the cooling.
Posted on May 22, 2008
Hopefully there are markings on the old t-stat as to what terminal is what.
on the honeywell 8000 use the heat pump labeling and then the standard wiring would be
There should not be a bare wire, it probably just has the insulation stripped back way too far.
You should probably open the furnace and compare the terminal label in the furnace to the wire color. normally yellow and blue pass through the furnace and are wire nutted to wires going to the outdoor unit. In the furnace the white wire will connect to the w or w1 terminal. also, you will need to set the Honeywell stat to have the following parameters.
other parameters that I did not specify, you may read the manual and make your own decision but I recommend factory settings for the other parameters
Posted on Jun 18, 2008
SOURCE: my dog chewed up wiring
That wire is to your thermostat which of course turns the A/C on/off. One thing you can do is to splice the wire back together w/ small wire nuts (available at hardware store or wal-mart, and just hook it up color to color and then tape w/ electrical tape. Make sure you turn your breaker off and turn off the thermostat control.
Posted on Feb 11, 2009
No problem have done this many times. R from the t-stat goes to R on the indoor unit. G goes to G Y goes to Y and C goes to C if you have a C or the t-stat the you are using. If there is no C there dont worry about it. It only need to be hookup if the t-stat uses power from the unit to run. Many t-stats today use battery power and do not need the C wire hooked up. Now R and C from the outdoor unit. R goes to the Y on the indoor unit and C goes to C on the indoor unit. That means that you may have two wires under the Y terminal and sometimes under the C terminal on the indoor unit. If on the outdoor unit there is no designation of R and C dont worry, just hook one wire to each of the two wires there for your low voltage connection. It does not matter which one goes to which unless they are marked then it may matter.
This should get you up and running and see it really isn't that hard!! :-)
Posted on Nov 14, 2009
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