Veris Industries VT7300 SERIES Install - Manual (Page 15)

15
SeqOpera Sequence of
operation
Default is: Sequence #1
System = 2 Pipes System = 4 Pipes
0 = Cooling Only Yes access Yes access
1 = Heating only Yes access Yes access
2 = Cooling With Reheat Yes access Yes access
3 = Heating With Reheat Yes access Yes access
4 = Cooling / Heating 4 pipes No access Yes access
5 = Cooling / Heating 4 pipes with
Reheat No access Yes access
For single output applications, the system access is also limited if UI3 is configured
for local changeover COS, COC/NC or COC/NC. The current water temperature
detected by the UI3 then limits the system mode available for the local
configuration or network write.
Fan Menu
Mode button menu configuration
Default is: Menu #4 Menu presented are dependent on model used and sequence of operation
selected
Auto Mode operation for sequences 2 and 3 is dependent on Auto Fan parameter
0 = Low-Med-High 3 Speed configuration using 3 fan relays ( L-M-H )
1 = Low-High 2 Speed configuration using 2 fan relays ( L-H )
2 = Low-Med-High-Auto 3 Speed configuration with Auto fan speed mode using 3 fan relays ( L-M-H )
3 = Low-High-Auto 2 Speed configuration with Auto fan speed mode using 2 fan relays ( L-H )
4 = On-Auto Single Speed configuration. Auto is for Fan on demand / On is On all the time
DHumiLCK
Dehumidification lockout
VT735xX5x00(x) models only
Default value: On = Authorized Typically toggled through the network.
This variable enables or disables dehumidification based on central network
requirements from the BAS front end
On = Dehumidification Authorized
Off = Dehumidification Not Authorized
%RH set
Dehumidification setpoint
Default is 50 % RH Used only if dehumidification sequence is enabled:
Range is: 30-95% RH
VT735xX5x00(x) models only
DehuHyst
Dehumidification Hysterisys
Default is 5 % RH Humidity control hysterisys. Used only if dehumidification sequence is enabled:
Range is: 2 to 20% RH
VT735xX5x00(x) models only
DehuCool
Maximum Dehumidification
Cooling output
Default is 100 % Maximum cooling valve position when dehumidification is enabled. This can be
used to balance smaller reheat loads installed in regards to the capacity of the
cooling coil.
Range is: 20 to 100 %
VT735xX5x00(x) models only
St-By TM
Stand-by Timer value
Default 0.5 hours Time delay between the moment where the PIR cover detected the last movement
in the area and the time which the thermostat stand-by mode and setpoints
become active.
Range is: 0.5 to 24.0 hours in 0.5hr increments
Unocc TM
Unoccupied Timer value
Default 0.0 hours Time delay between the moment where the thermostat toggles to stand-by mode
and the time which the thermostat unoccupied mode and setpoints become active.
The factory value or 0.0 hours: Setting this parameter to its default value of 0.0
hours disables the unoccupied timer. This prevents the thermostat to drift from
stand-by mode to unoccupied mode when PIR functions are used
Range is: 0.0 to 24.0 hours in 0.5hr increments
St-By HT
Stand-by heating setpoint
Default value = 69 °F The value of this parameter should reside between the occupied and unoccupied
heating setpoints and make sure that the difference between the stand-by and
occupied value can be recovered in a timely fashion when movement is detected
in the zone.
Stand-by heating setpoint range is: 40 to 90 °F ( 4.5 to 32.0 °C )