Viconics VT7607 Installation Manual - Manual (Page 31)

31 | PIR Ready VT76x7 Series-Installation Guide
RH HT
Reset RH higher outside
temperature setpoint
Default value = 32°F
(0°C)
Maximum outdoor air temperature for RH setpoint reset.
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. See RH LT & RE Sp
From 20°F up to 55°F (-6.5°C to 13°C)
HL SP
RH High limit setpoint
Default value = 85% RH
High humidity limit in the supply.
Only valid if a 0-10 VDC sensor is connected at the Terminal
Equipment Controller – otherwise this feature is disabled
automatically.
From 50% RH up to 90% RH
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)
Dhu LCK
Dehumidification Lockout
Functions
Default value = On
Enables or disables the lockout functions for the
dehumidification control process of the output.
On: 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
Off: will not restrict the dehumidification process:
- System mode = Needs to be Cool, Heat or Auto
- There is no ambient room temperature protection
enabled
DehuHyst
Dehumidification
Hysteresis
Default value = 5% RH
Dehumidification control hysteresis
Used only if dehumidification sequence is enabled.
From 2% RH up to 20% RH