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by Tallestt
Mon Apr 20, 2020 6:27 am
Forum: Nordyne Service & Repair
Topic: Nordyne M1B1 furnace issue - thermostat c wire not hooked up correctly. It's running off atteries instead
Replies: 1
Views: 723

Nordyne M1B1 furnace issue - thermostat c wire not hooked up correctly. It's running off atteries instead

I need wiring instruction from thermostat to furnace on my nordyne M1MB gas furnace. A friend hooked it up for me, but there are only 3 wires - red,green,white going to corresponding wires and 2 -yellow, blue he didn't connect to anything. I'm pretty sure the grey (c) wire in the furnace should be h...