valent VX Series Reference Guide

Valent VX Series Controller24
Menu
Fan damper delay
This screen allows adjustment for delay time between damper opening and fan
operation. This timer allows the damper to open before the fan start sequence
begins. This prevents the fans from having to overcome higher static pressure
when the damper(s) are opening.
Control Variables
Refrigeration
The Refrigeration menu allows the user to view and adjust compressor and
condenser settings, if equipped.
Control Variables
Damper Control
The Damper Control menu’s allows the user to adjust damper control set
points. Economizer set point adjust will also be found at this location if the unit is
equipped with outside air and recirculation dampers.
ouTside damper posiTion
This screen only appears if equipped with a modulating OA and recirculating
damper. The screen displays the min and max positions for the outside air
damper. These set points reflect the percentage of the outside air damper being
opened.
0% = Full recirculation air
100% = Full OA
Minimum Position – When in the occupied mode, the active set point will be
equal to a local min OA set point, which may be constant or reset by fan speed if
equipped with a modulating supply fan.
The OA damper set point can then be further adjusted between the min and
max OA settings with sequences such as DCV CO
2
, Building Pressure and
Economizer.
air-source heaT pump ambienT lockouT
The screen allows the user to adjust the minimum ambient temperature the
compressors can be utilized for heating. When the outside air temperature drops
below this temperature, heating with the compressors will not be allowed.
compressor conTrol
Consult factory prior to adjusting parameters in the compressor control menu.
Control Variables
Refrigeration
Compressor Control
pressure conTrol
Consult factory prior to adjusting parameters in the pressure control menu.
Control Variables
Refrigeration
Pressure Control
compressor conTrol
Allows the user to adjust heat pump heating control set points.
Control Variables
Refrigeration
Heat Pump Control
heaT pump deFrosT
Consult factory prior to adjusting set points related to heat pump defrost
operation.

valent VX Series Specifications

General

Brand	valent
Model	VX Series
Category	Air Handlers
Language	English