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Going from old mercury thermostat to rth2300 get only cold air
I have four wires colored Black, Green, Red and White. The old mercury thermostat had labels "W" "R" "Y" and "G"... I didn't notice which came from what.
On the RTH2300 I connect white to W, red to R (which has a jumper to RC), green to G, and black to Y. I only get cold air. When I connect my red wire to green directly, the fan comes on. When I connect my red wire to black I think the unit comes on (it's on the roof and hard to get to). When I connect the red, black and white wire directly nothing happens. |
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