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Change over valve setting

17 years ago

In Honeywell Vision Pro 8000 (TH8320U1008) setting menu, I have to select either cool (=0) or heat (=1) for the change over valve.

I have a heat pump with electric backup (upstair) and a heat pump with gas back up (downstair).

Please tell me how to setting this parameter for each unit.

Thank you

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