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Well this is the procedure i followed to make sure the thing is working properly.For the W/E wire connection in your Nest thermostat setup, it's essential to connect it to the W1 terminal. This is crucial for ensuring that your heating system activat...

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I recently faced a similar issue wiring my Nest 4th generation thermostat to a York 2-stage heat pump, and I found a solution that worked perfectly. For the W/E wire, which can be confusing, you should indeed connect it to the W1 terminal on the Nest...