Viconics VZ7656E Installation Guide - Manual (Page 25)

25 | VZ7656E1000W Installation Guide
Pressure
Static Pressure setpoint
Default:
0.8”WC
Bypass damper will maintain this supply static pressure
set point.
Please refer to the Viconics Zoning System Guide for
recommended settings.
0 to 2 in WC (0 Pa to 500 Pa)
(increments: 0.1” WC or 25 Pa)
SP Cntrl
Static Pressure Control Type
Default: BPD
Depending on the setting of this parameter, the 0-10VDC
pressure control output (labled BPD) will either have a
0VDC or 10VDC output when the fan is Off.
BPD (By-Pass Damper): 10VDC when fan Off
VFD (Variable Frequency Drive): 0VDC when fan Off
Chngstpt
changeover setpoint
Default value = 55 °F(13.0 °C)
In Cooling mode.
The outside air temperature value at which the cooling will
be switched over from mechanical ( compressor ) to free
cooling ( economizer )
14 to 70 °F ( -10.0 to 21.0 °C )
mix stpt
Mixed air setpoint
Default value = 55 °F ( 13.0
°C )
Free cooling mixed air setpoint when economizer mode is
enabled.
50 to 90 °F ( 10.0 to 32.0 °C )
Min Pos
Minimum Fresh Air
Damper/Economizer Position
Default value = 0%
Minimum fresh air damper position. Effective only in
Occupied mode (Fan is ON). This value is also used to
determine the fresh air damper position based on the
Min/Max CO2 and Min/Max Pos values set. See Fresh Air
Damper Position section for more details.
0% to 100%, 1 or 10 increments
Max Pos
Maximum Fresh Air
Damper/Economizer Position
Default value = 100%
Maximum fresh air damper position. Effective only in
Occupied mode (Fan is ON). This value is used to
determine the fresh air damper position based on the
Min/Max CO2 and Min/Max Pos values set. See Fresh Air
Damper Position section for more details.
0% to 100%, 1 or 10 increments