Nest 2 wire Aprilaire 560


Old 11-25-18, 11:48 AM
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Nest 2 wire Aprilaire 560

So I know there are a ton of threads on this topic, but as I read through them it always seems to be dependent on the individual setup. So before I do this myself or end up paying someone to do it I want to see if I could get specific help into my situation.

I have a Nest 3 and an Aprilaire 560. I was able to easily store the nest using the wires that were connected to my previous thermostat. My question has to deal with the whether or not I have to instal a relay or is I can just cap one of the wires that run to the humidistat. Below are some pictures for reference.

From the transformer I have a wire running to the humidifier and the other runs to the humidistat. Adittional question it looks to me that I either need a relay or it doesn’t matter because the two wires are wingnut to each other using different color wires.

I really appreciate any help that can be offered.
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Last edited by CPTDADA; 11-25-18 at 12:31 PM.
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