Trouble with wiring on ducted heating


Old 10-18-04, 02:02 AM
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Trouble with wiring on ducted heating

Trouble with wiring on old Vulcan ducted heating

Hi, any help would be hugely appreciated:
I have recently replaced some plaster on a wall and to do so I had to take the face of the Vulcan ducted heating thermostat off. I drew a picture of what wires went where but when I wired it all back up it just won't turn back on at all! The face plate works because it runs off batteries but the electrical side of it all will not work.

Is there a trick to turning ducted heating systems back on when the power goes out? Could I have rewired it wrong or could it be that I have blown it up? I'd love to hear your answers,
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Old 10-18-04, 08:56 AM
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Is the heating system oil-fired or gas-fired??-- Are the wires at the thermostat color-coded?
Old 10-18-04, 01:24 PM
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Look for a schematic on the blower door . Check the batteries. Also check the transformer for 24 volts. This you could have shorted out.

R is power from transformer
W is for heat
Y compressor
G is for fan

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