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Technician Settings P71 to P75
P71 – Fan VFS Medium speed percent in heating
Range: 30...60%
Default: 50%
P72 – Fan VFS High speed percent in heating
Range: 60...100%
Default: 80%
P74
VFS Medium speed differential (display from medium to
low)
P75
VFS High speed differential (display from high to medium)
P74 – VFS Medium speed differential
Range: 10...50%
Default: 35
P75 – VFS High speed differential
Range: 10...50%
Default: 35
ComfortVu™ BACnet Thermostat Model Standard TB-24-HM (24 Vac)Carrier Proprietary and Confidential
Installation and Operation Guide
56
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