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Trol A Temp Replacement wiring
I'm replacing a 20 year old Honeywell Trol A Temp thermostat with a new Honeywell VIsion Pro 8000 (TH8110R1008). The system is conventional forced hot air with a damper set up for zoning upstairs and down. Would seem simple enough but the the new thermostat has a combined B/O terminal while the Trol A Temp has those separated. Can this thermostat be used? How can I wire it to work? I called Honeywell but they would not help me because I'm not a licensed contractor. Perfect. Here's a link to the wiring for new thermostat. http://hwll.co/q/VPROlit Thanks.