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Old 03-04-2013, 12:45 AM   #9
hot rod
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Join Date: Jan 2011
Posts: 527
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That all sounds complicated to us non-engineer types. I'm thinking maybe just mount a 110v wall switch by the bed, inline between the breaker and the a/c unit. At least that way I could shut it off at night without getting out of bed. During the day it's not a big deal to reach up and shut it off. And it is exactly your point about the fan running full time whether the compressor is or not. The thermostat on the ceiling unit shuts the compressor off when the temperature drops, but the noisy fan stays running.

So, with your setup you mentioned 2 relays for high and low fan speed, does that mean your wall thermostat had a hi/lo switch for the fan that controlled the relays? Or did you just end up with one fan speed? Is the entire factory control bypassed, or do you still use the main on/off switch on the unit, and just the original thermostat dial function is bypassed?
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