CC's with 2 ac units just have 2 zones, 1 thermostat. But the ones with 3 (Champagne or otherwise) ac units have an actual Power Management System to monitor and turn on/off each unit as needed. Just one ductwork throughout coach regardless of which one(s) is/are on.
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"Next to prayer, fishing is the most personal relationship of man" Herbert Hoover
"American by Birth, Southern by the Grace of God"Lewis Grizzard
FROG AR-0019-242
2016 GMC Denali 3500Dually--2017 CC 36CKTS
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