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View Full Version : Switching from robertshaw CM260 to a honeywell vision pro 8000


marleysmommmy
Jul 19, 2009, 10:57 AM
I am switching from a Robert Shaw cm 260 to a Honeywell vision pro 8000 (TH832OU1008 and on my Robert Shaw there is a spot for a white wire that connects to "O" but that is no where on my honeywell? Where does that wire go?

hvac1000
Jul 19, 2009, 11:04 AM
Your manual
See page 3 for heat pump wiring It is called O/B and you will have to select its operation in the setup menu.

http://customer.honeywell.com/techlit/pdf/PackedLit/69-1896.pdf

KISS
Jul 19, 2009, 11:08 AM
The Honeywell has a terminal labeled "B/O". You change the sense of that terminal On in heat or On in cool in the setup parameters in the Vision Pro. This line controls the reversing valve.