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    CindyD's Avatar
    CindyD Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 29, 2006, 09:15 AM
    Lennox Furnace schematics
    Hi, I need the wiring schematic for a Lennox forced air gas furnace Model #CH7D-51M.
    Thanks.
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
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    #2

    Oct 29, 2006, 09:19 AM
    It should be on the cover of your panel
    royalcrownkid's Avatar
    royalcrownkid Posts: 3, Reputation: 1
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    #3

    Sep 28, 2012, 11:56 PM
    Lennox furnace runs without thermostat hooked up at all got 2 wire thermostat to hook to it but don't know the connections 3,g,w1,w2,w3,-r
    royalcrownkid's Avatar
    royalcrownkid Posts: 3, Reputation: 1
    New Member
    		  
    #4

    Sep 28, 2012, 11:58 PM
    [only show for original thermostat for lennox with heat pump furnace was a freebee don't have original thermostat
    royalcrownkid's Avatar
    royalcrownkid Posts: 3, Reputation: 1
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    #5

    Sep 28, 2012, 11:59 PM
    Nor do I have the heatpump
    Alvarova's Avatar
    Alvarova Posts: 1, Reputation: 1
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    #6

    Jan 28, 2013, 09:32 PM
    Someone cut the wires from my furnace. I need the wiring schematics (diagram) It is a lennox model SP 745, input: 24 VAC 50/60, part # 97H0401, 100-00831-01.
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