Have a/c but No heat


Old 09-23-05, 07:03 AM
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Question Have a/c but No heat

How can I find the electrical wiring diagrams so my husband can fix the heat pump or thermostat? We have no heat at all, now that my husband installed a new thermostat. My central air unit is a Coleman Q.E.D. 2. But I have no clue about the heat pump. Can anyone help please?

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Old 09-23-05, 06:15 PM
Ed Imeduc's Avatar
Join Date: Aug 2002
Location: Mountain Williams Missouri
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Didnt he mark down the wires on the tstat????? Try and look inside the blower door on the unit most of the time there is one there.
Dont know if it will help . C is common R is power Y is compressor , G is fan , O is cooling change over and B is heat change over but you can only use one , E is emergency heat, W1 is heating relay

On some tstat a jumper Y to W1 keep it on


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