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1. #Proselect thermostat instructions how to#
2. #Proselect thermostat instructions code#
3. #Proselect thermostat instructions free#

If you can not find out any information on your old thermostat, then I really have no recommendations other than disconnecting the 3 red wires from the thermostat.

Then look up the old thermostat’s wiring diagram on the Internet and see if you can find out what 1,2 & 3 are controlling on your old thermostat. I would like to suggest that you mark the red wires by the connections that they came off on your old thermostat. Some of the thermostats with the same color wires could be a 110 volt system. Hi Muayad! First, I would make sure that you have a 24 volt low voltage system. You Can Search Our Site for More Troubleshooting Problems with Answers, Heating, Air Conditioning Parts and Supplies in the Google Search Box Below:

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#Proselect thermostat instructions free#

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#Proselect thermostat instructions how to#

If you have a heat pump thermostat and if you have questions about wiring a heat pump thermostat then please click here where we have a post with YouTube videos that show how to wire a heat pump thermostat.

#Proselect thermostat instructions code#

You should be able to use this wire color code for installing Nest, Honeywell, Ecobee, and just about any thermostat. These universal wire color designations have been used by heating and air conditioning professionals for many years. We also have another really good video made by David Jones which shows how to wire up a thermostat. Below we have a very informative Youtube Video made by grayfurnaceman which explains thermostat wire color codes. You would need to look at your low voltage transformer, trace the wire down that is coming out of the transformer to determine the color. The color might not be red, but maybe they, the installer, used another color for the hot wire. The main question would be does your air conditioner turn on? One of the wires has to be the hot wire coming from the power side of your low voltage transformer. Red to Green turns on the fan, Red to Yellow turns on the air conditioner. The Red to white switch turns on the heat. The thermostat acts as a switch, like a light switch. The white wire is usually connected to the “W” terminal. Do you have both heating and cooling? Most thermostats have a Red wire that is the power wire that usually connects to R & RC terminals of the thermostat, a Green wire that energizes the Fan relay, connected to the “G” terminal on the thermostat, a Yellow wire that energizes the outdoor unit’s contactor, (if you have air conditioning) and a white wire that energizes the gas valve, electric heat relay or oil burner when you need heat. I would be able to help you easily if I had a picture to see where the wires were hooked up to the old thermostat. How do I wire this thermostat up? How do I wire up my new thermostat? What do the wire colors mean?Īnswer: Please always take a picture or mark the wires with tape or labels as to which terminal they were connected to on the old thermostat before thermostat removal. My three wire colors are White, Yellow, and Green. The thermostat instructions call for a red power wire, a yellow, green, and white wire. My thermostat wiring only has only three wires. Problem: I purchased a new programmable thermostat.

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