| Post 8 made on Friday April 26, 2013 at 07:24 |
designed Long Time Member |
Joined:
Posts: | November 2012
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For a 2 wire heating system the R wire should have 24 volts on it always. The W wire is call for heat wire so it only has voltage on it when itrequests heat.
We need more info on your setup.
As for voltage drops hooking up the C wire to the common on the board should resolve those issues.
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