028-0506-02_II-VZ8250_EN www.viconics.com
January 2020
20
VZ8250
[
Installation Guide
]
Pressure Independent
Configuration parameter
BACnet
Function description
Maximum Heating Position
AV252 (R/W)
Maximum damper position during heating:
•
Units = %
•
Min = 0
•
Max = 100
Reheat Position
AV253 (R/W)
Damper position during reheating:
•
Units = %
•
Min = 0
•
Max = 100
Damper Override
Force damper to selected
position during balancing
MV172 (R/W)
0
None (Default)
No damper override. Damper under normal control.
1
Min. flow
Force damper to maintain minimum airflow setpoint
2
Max. cool
Force damper to maintain maximum cooling airflow setpoint
3
Close
Force damper closed
4
Reheat
Force damper to maintain maximum reheat airflow setpoint
5
Open
Force damper fully open