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Point Name/Description
IAQ/Ventilation Alarm
Occupied High CO2 Alarm Limit – The value that the CO
generate an Indoor Air Quality Alarm in the occupied mode if DCV Control is set to
Enable. There is a fixed hysteresis of 100ppm for return to normal.
Alarm Delay (min/ppm) – The fractional portion of a minute used to determine the
amount of delay before an indoor air quality alarm is generated when the controller
transitions to the occupied mode. The delay time equals this value multiplied by the
difference between the sensor CO
Heating Valve Alarms
Smart Valve Alarm Diff – The difference between the Smart Valve output command
and the feedback input must be greater than this value for 1 minute to trigger the
alarm.
Heating Valve Cycling Alarm – Alarm occurs if the input cycles more than __ times in a
__ min period.
NOTE The input must reverse by more than __ to be counted.
__ times
in a __ min period
The input must reverse by more than __ to be
counted
Heating Valve Failure Alarm – Alarm occurs if discharge air temp does not rise __ °F
within __ min after the heating coil valve command is > __ % Open.
does not rise __ °F
within __ min
after the heating coil valve command is >
__%Open.
Alarms Displayed on ZS Sensor
Space Temperature Alarm – If set to display, shows the alarm indicator on the
communicating zone sensors, if the Space Temperature alarm is active.
Supply Air Temp Alarm – If set to display, shows the alarm indicator on the
communicating zone sensors, if the Supply Air Temp alarm is active.
TruVu™ VVTZC-E2
Installation and Start-up Guide
sensor must exceed to
2
value and the setpoint plus 15 minutes.
2
D:
15
R:
0 to 999
D:
60 minutes
R:
0 to 999 minutes
D:
5%
R:
0 to 99%
D:
2.5 °F (1.4 °C)
R:
0 to 99 °F
(0 to 55 °C)
D:
15 minutes
R:
0 to 999 minutes
D:
80% Open
R:
0 to 100% Open
113
Appendix A: TV-VVTZC-E2 Points/Properties
Default/Range
D:
1100ppm
R:
0 to 9999 ppm
D:
0.25 minutes
R:
0.10 to 1.00 minutes
D:
5%
R:
0 to 100%
D:
Ignore
R:
Ignore/Display
D:
Ignore
R:
Ignore/Display
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Table of Contents
Troubleshooting
