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  1. Replies
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    I think 302C is right, Y1 and Y2 activate...

    I think 302C is right, Y1 and Y2 activate separately as indicated by different LEDs on the DIP board.
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    1,806

    Outside unit 3 ton Trane XL19i, Inside unit 040...

    Outside unit 3 ton Trane XL19i, Inside unit 040 Trane Variable Speed air handler. Stat is 302C 2-stage. No humidistat. in cooling, air handler seems to run at 100% regardless of Y1 called for vs....
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