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View Full Version : Can someone assist me in locating a wiring diagram for a lennox furnace circa1980


lotmo
Jul 21, 2010, 07:09 AM
The unit is not properly wired between the fan control center and the limit switch the t/stat is not in the loop because the only way to cut the unit on is to activate the wall switch for the fan blower

wmproop
Jul 21, 2010, 08:02 AM
Not without a model number,sorry,if the fan center is an add on not factory equipment the furnace wireing diagram want help much

lotmo
Jul 21, 2010, 12:40 PM
To wmproop; the model number isG12D2-82 THE SERIAL# IS5873C

wmproop
Jul 21, 2010, 01:08 PM
I googled the model number,but it wouldn`t let me transfer,must be a lennox thing
Try it yourself

hvac1000
Jul 21, 2010, 01:45 PM
the unit is not properly wired between the fan control center and the limit switch the t/stat is not in the loop because the only way to cut the unit on is to activate the wall switch for the fan blower

See this link on this site


https://www.askmehelpdesk.com/heating-air-conditioning/im-looking-wiring-diagram-lennox-furnace-model-no-g12d2-82-2-a-435529.html

wmproop
Jul 21, 2010, 01:45 PM
I googled it but couldn`t get it to allow me to transfer

Try Google the model number