Nest Y Wire To Y1 Or Y2

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If there was wires hooked to these terminals yes you can hook both y1 and y2 to y on the new thermostat and the same with the w1, w2 wires can go to the w terminal. Just remember that you will only have one stage of heat and one stage of cooling because this will bring on the both stage when either heat or cooling is called for. There is a y1 terminal on the control board that's not in use so i'm thinking i need to use y2 on the nest but the y/y2 wire was going to the y wire on my old thermostat which is why i'm confused. I also relocated my thermostat location so i ran a new wire and hooked up the blue wire to the common location on the control board since i was in.

Attach the display press the display onto the base until it clicks shop the mayo clinic diet with coupons, deals and offers to save big when purchasing their diet plans and books maximum cable thickness = 2 mm² ac power adaptor nest thermostat needs to have the following cool (y1) / heat (w1) wires plugged into, without any real hvac. Nest no power to y1 wire. Nest wire no y1 to power. Your thermostat wires may have existing nest labels indicating the symbol where each wire connects to the thermostat (y1, y2, g, rc, w1, etc if there are. Wires that have 'y' in them pertain to wires that connect to the cooling system. They're the ones responsible for increasing the air that is being pushed out. Some units just have one y wire, while some have two; Hence, the y1 and y2 codes. Similar to the y wires, the w wires are the ones responsible for the.