I/O Points - Carrier VVT Zone II Installation And Startup Manual

I/O Points

Navigation: i-Vu® / Field Assistant:
WARNINGS
•
Do not change the Value, Offset/Polarity, Exp:Num, I/O Type, Sensor/Actuator Type, Min/Max, or Resolution I/O
configuration parameter for the points listed below. Changing these parameters could cause improper control and/or
equipment damage.
• Use extreme caution if locking a point as this may also cause improper control and/or equipment damage.
Point Name/Description
SPT Sensor/Zone Temp
SPT Sensor - (For the SPT Standard, SPT Plus, and SPT Pro sensors only). Sensor
configurations on the microblock's Properties > Details tab are listed below. For more
information, see the Carrier Sensors Installation Guide.
Do not adjust the following settings:
Min Present Value - Minimum present value the sensor transmits before
indicating an alarm.
Max Present Value - Maximum present value the sensor transmits before
indicating an alarm.
Setpoint Adjustment:
Max Adjust – The amount that a user may adjust the setpoint at the sensors.
Reset setpoint adjust to zero when unoccupied - Resets the setpoint bias to zero
when the controller transitions to unoccupied.
Each Pulse – The amount of time added to the total override time when a user
pushes the sensor's override button.
Max Accum – The maximum amount of override time accumulated when a user
pushes the sensor's override button.
Cancel override – How long a user must push the sensor's override button to
cancel an override.
Sensor Array:
Sensor calculation method - When using multiple SPT sensors, select the process
variable to be passed to the controller.
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.
VVT Zone II Controller
Installation and Start-up Guide
Properties I/O Points
>
89
Appendix A: VVT Zone II Points/Properties
Default/Range
R: -56 to 245°F
(-48.9 to 118.3°C)
D: 45°F (7.2°C)
D: 96°F (35.5°C)
D: 5 °F (2.7 °C)
R: 0 to 15 °F
(0 to 8.3 °C)
D: Off
D: 30:00 mm:ss
R: 0:00 to 1440:00 mm:ss
D: 240:00 mm:ss
R: 0:00 to 2000:00 mm:ss
D: 3 seconds
R: 0 to 60 seconds
D: Avg
R: Avg, Min, Max
D: Enabled
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