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DeraldMorgan
10-09-2010, 10:31 PM
This system is a two phase system with wiring such that if the fan motors short out and the grounding of the fan supports corrode the motors mounts can be energized. Only one leg of the two phase wiring is interupted in the control circuitry allowing this danger to exist.

Has York issued any warnings about this matter and or has York reworked their wiring and gounding systems to protect the user from this defect in the wiring system

DeraldMorgan

Brian_UK
12-09-2010, 10:39 PM
Have you asked the source? Namely York.

DeraldMorgan
13-09-2010, 02:02 AM
I have searched the web and cannot find any manuals or material from York on this model. Any idea how to get in touch with them given they were aquired by Johnson Controls.