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Well, I hooked the red wire to the R terminal, and the white wire to the W1/W2 terminals on both units and no luck. However when I hooked the Red to R, and the White wire to C, OR the Red wire to B...

We have a thermostat that only has 2 wires, red and white coming out of the wall, and we want to change it to a digital thermostat with slots of W2, G, E, Y, C, B O, R or we also have a unit that has...