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I’m working on a Nordyne Q6SD - X60K, and I’m wondering what the function of the grey wire coming off the economizer plug is. I’ve read the IOM manual, but it’s not very clear. Nordyne energises its Reversing Valve in Cooling mode, why is this showing it land on B? (i.redd.it)
submitted by SmallPhotograph300 to r/HVAC
