Viconics VT7600W Installation Manual - Manual (Page 31)

31 | PIR Ready VT76xxW Series-Installation Guide
Dhu set
Dehumidification setpoint
Default is 50 % RH
Used only if dehumidification sequence is enabled:
Range is: 30-95% RH
DHumiLCK
Dehumidification lockout
Default value:
Restrict
Enables, restricts or disables the dehumidification sequence.
Dhu Disa: Dehumidification disabled
Restrict: will restrict the dehumidification process based on
the following:
- System mode = Needs to be Cool or Auto ( currently
operating in cooling only )
- Low ambient room temperature protection enabled
Dhu Enab: will not restrict the dehumidification process:
- System mode = Needs to be Cool, Heat or Auto
There is no ambient room temperature protection enabled
Dhu OALK
Dehumidification outside air
temperature lockout
Default value = 32°F (0°C)
Outside air temperature under which the dehumidification
sequence is disabled.
Only valid if an outdoor air sensor is connected at the
Terminal Equipment Controller or a network value is
transmitted to the Terminal Equipment Controller.
From
–40°F up to 122°F (-40°C to 50°C)
DehuHyst
Dehumidification
Hysteresys
Default = 5 % RH
Humidity control hysteresis. Used only if dehumidification
sequence is enabled:
Range is: 2 to 20% RH
MS dis
Display mixed air
temperature
Economizer model only,
only if sensor is installed
Used as diagnostic / service help to troubleshoot and
diagnose economizer operation.