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Appendix A: VVT Zone II Points/Properties
Point Name/Description
Hardwired Sensor – The type of sensor used on the controller's RH/CO2 hardwire input.
This setting determines the control channel input function.
Options:
RH Sensor – Relative humidity for zone dehumidification
IAQ Sensor – Indoor air quality for DCV control
NOTE RH and IAQ are also available with communicating ZS RH and CO
RH Control – Enables or disables zone dehumidification control if valid RH sensor
values are available.
DCV Control – Enables or disables demand control ventilation control.
Min Setpoint Separation – Minimum separation that must be maintained between the
heating and cooling setpoints.
Occ Override Normal Logic State – The normal state of the controller's Remote
Occupancy input. If the input's contact is the same state as the configured state, the
controller follows its controlling schedule. If the contact is in the opposite state of the
configured state, the controller is forced into the unoccupied mode.
RH Sensor Min Input Volts – The lowest voltage that should be read from the hardwired
relative humidity (RH) sensor.
RH Sensor Max Input Volts – The highest voltage that should be read from the
hardwired RH sensor.
RH Sensor Value @ Min Volts – The % relative humidity that correlates to the hardwired
RH sensor's low voltage reading.
RH Sensor Value @ Max Volts – The % relative humidity that correlates to the hardwired
RH sensor's high voltage reading.
CO2 Sensor Min Input Volts – The lowest voltage that should be read from the
hardwired CO
sensor.
2
CO2 Sensor Max Input Volts – The highest voltage that should be read from the
hardwired CO
sensor.
2
CO2 Sensor Value @ Min Volts – The ppm value that correlates to the hardwired CO
sensor's low voltage reading.
CO2 Sensor Value @ Max Volts – The ppm value that correlates to the hardwired CO
sensor's high voltage reading.
PD (Pressure Dependent) Control :
Damper Motor Travel Time – The actuator's travel time from full closed to full
open. This field is fixed at 205 seconds.
VVT Zone II Controller
Installation and Start-up Guide
sensors.
2
2
2
78
Default/Range
D:
None
R:
None
RH Sensor
IAQ Sensor
D:
Disable
R:
Disable/Enable
D:
Disable
R:
Disable/Enable
D:
4 °F (2.2 °C)
R:
2 to 10 °F
(1.1 to 5.5 °C)
D:
Open
R:
Open/Closed
D:
0.00 V
R:
0 to 5.00 V
D:
5.00 V
R:
0 to 5.00 V
D:
0%
R:
0 to 99%
D:
100%
R:
0 to 100%
D:
1.00 V
R:
0 to 5.00 V
D:
5.00 V
R:
0 to 5.00 V
D:
0 ppm
R:
0 to 9999 ppm
D:
2000 ppm
R:
0 to 9999 ppm
D:
205 seconds
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