Carrier VVT Zone - Page 72

Appendix A: VVT Zone Controller Points/Properties
68 VVT Zone Controller
Point Name/Description
Default/Range
Sensor Array:
Sensor calculation method -
When using multiple SPT sensors, select the process
variable to be passed to the controller.
D:
R:
Avg
Avg, Min, Max
BACnet configuration:
Network Visible -
Must be enabled for other BACnet objects to read or write to this
point, and for this point to generate alarms.
D: Enabled
Object Name -
Do not D: change. zone_temp
CO2 Sensor
– The current voltage of the controller's
RH/CO2
input. R: 0 to 5 Vdc
RH Sensor
R: – The current voltage of the controller's
RH/CO2
input. 0 to 5 Vdc
Zone Temp
– The value of the controller's
T55
space temperature sensor input. R: -56 to 245°F
SAT Sensor
– The current value of the controller's SAT input. R: -56 to 140°F
Occupancy Contact State
- The hardware state of the contact used for
Remote Occupancy
Override
.
R: Open/Closed
Sensor Invalid
– This internal input monitors the communication between the controller
and the SPT sensor.
Off
indicates communication is normal.
R: Off/On
Hot Water Valve
- The current value of the controller's
HWV/ACT
output. R: 0 to 100%
Heating Stage 1
- The current hardware state of the controller's
HEAT1
output. R: Off/On
Heating Stage 2
- The current hardware state of the controller's
HEAT2
output. R: Off/On
Fan S/S or EH 3
- The current hardware state of the controller’s
FAN/HEAT3
output. The
function of this output depends on the terminal type.
R: Off/On