Install Honeywell Prestige Thermostat

Old 04-14-11, 01:26 PM
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Install Honeywell Prestige Thermostat

I am replacing a Baystat240a thermostat with a Honeywell Prestige THX9421R5005 thermostat. I am connecting to a Trane XL14i Heat Pump. How do I complete the wiring?
Old 04-16-11, 05:22 AM
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what indoor unit do you have? Backup heat? Can you post pictures of old stat and wiring?

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