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Can you show me step by step procedures for electrical troubleshooting of a commercial rooftop unit. trane or carrier. preferably the control stde after the primary side. i'm having trouble with different types of switches and relays,--testing procedures

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This is not the appropriate forum for free schooling. You need to have a technician teach you in person in a hands on manner.

thanks,
clean up crew

Posted on Jul 30, 2008

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