Amazing Nest Thermostat No Yellow Wire

Yellow wire connected to y white wire connected to w and so on but sometimes that isn t the case and you might have something like a blue wire connected to y like i do in the photo below.

Nest thermostat no yellow wire. Help me identify which wires go where in my nest thermostat. The steps shown is this video are not only for honeywell thermostats but also many o. I was back to square 1.

We teach you how to install a c common wire on the nest thermostat nest thermostat. 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. The yellow wires terminate at your compressor contactor via an air handler.

They did offer to replace it if it was a bad unit even though i have had it for years. The white wire is usually connected to the w terminal. In this configuration nest app recognizes this as a furnace only no ac.

I hooked up green g white w1 red rh and black c. Pulsing cycling short cycle power leeching no c wire heat only and cooling only. Upvote 31 subscribe unsubscribe.

It terminates at the air handler or furnace. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat. Heck now i m not calling anyone a dummy.

After scheduling and waiting for them to arrive the guy called me and told me that they do not handle wiring but rather only the nest thermostat itself. How to setup your nest thermostat using current wiring from a honeywell. The main trouble is dealing with those.