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Problem wiring new thermostat - Heating & Cooling

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9 TIMES OUT OF 10 YOU PLACE THE COLORS ON THE TERMINALS MARKED W/ THE WIRE COLORS. BUT YOU SHOULD LABEL THE WIRES TO THE CORRESPONDING LETTERS ON THE OLD THERMASTAT THEN PLACE ON SAME LETTERS ON THE NEW. HOPE THIS HELPS EX. YELLOW (Y) RED (R)

Posted on Nov 16, 2008

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