Hello, I would like to install a smart thermostat for my hydronic heating system, but my green C-wire is not connected on my Argo ARM-3P switch relay:
https://imgur.com/a/nwwYIqv
I was hoping I can just connect it to somewhere on that Argo switching relay and have a working C-wire (for example in the upper right corner the red wire is connect to a "Common" terminal, can I also connect the green wire there and call it a day?). But from googling, it seems like people recommend installing Argo IR882 or a RIBUC1 but I wanted to see if you guys have any additional ideas. As a last resort I would probably consider getting one of those ac adapters for the nest that I can plug into an outlet.
Here's the manual for the Argo switching relay: https://argocontrols.com/sites/default/files/AD1-AD4%20IOM.pdf
Thank you for taking a look
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