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Appendix A: TV-VVTZC-E2 Points/Properties
TruVu™ VVTZC
-E2
©2022 Carrier.
Installation and Start-up Guide
All rights reserved.
127
I/O Points
Navigation:
i-Vu® / Field Assistant:
Properties
>
I/O Points
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
Default/Range
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
.
R:
-56 to 245°F
(-48.9 to 118.3°C)
Do not adjust the following settings:
Min Present Value
- Minimum present value the sensor transmits before
indicating an alarm.
D:
45°F (7.2°C)
Max Present Value
- Maximum present value the sensor transmits before
indicating an alarm.
D: 96°F (35.5°C)
Setpoint Adjustment:
Max Adjust
–
The amount that a user may adjust the setpoint at the sensors.
D:
R:
5 °F (2.7 °C)
0 to 15 °F
(0 to 8.3 °C)
Reset setpoint adjust to zero when unoccupied -
Resets the setpoint bias to zero
when the controller transitions to unoccupied.
D: Off
Timed Local Override:
Allow Continuous
(SPT Pro only)
–
If checked, a user can press the sensor's local
override button until the
Max Accum
value is reached, then press one more time
to have a continuous override until the next occupied period or until the user
cancels the override. The display shows
On
during a continuous override.
D:
R:
Off
Off/On
Each Pulse
–
The amount of time added to the total override time when a user
pushes the sensor's override button.
D:
R:
30:00 mm:ss
0:00 to 1440:00 mm:ss
Max Accum
–
The maximum amount of override time accumulated when a user
pushes the sensor's override button.
D:
R:
240:00 mm:ss
0:00 to 2000:00 mm:ss
Cancel override
–
How long a user must push the sensor's override button to
cancel an override.
D:
R:
3 seconds
0 to 60 seconds
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