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Posted by ralph on October 17, 2007 at 23:30:02:
I have purchased a used lennox hm30-150-1 complete heat system it is gas fired.
the problem comes when I hooked up power nohting happened.
it has a thermostat wire that has red blue brown
and yellow hooked up inside on the board
my thermo stat only has 2 wires.
dose any one have a wire diagram for this model or know where to get one ollso would like schematic
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