Connection for nest thermostat - Y1 or Y2
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Connection for nest thermostat - Y1 or Y2
Hi everyone. I am in the middle of installing a Nest thermostat. I had a question regarding the wiring.
On my old thermostat, the yellow wire was connected to the outlet "Y/Y2". On my new thermostat, there are two separate Y connection points - one called Y1 and the other Y2.
Should I wire my yellow wire to Y1 or Y2?
On my old thermostat, the yellow wire was connected to the outlet "Y/Y2". On my new thermostat, there are two separate Y connection points - one called Y1 and the other Y2.
Should I wire my yellow wire to Y1 or Y2?