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Appendix A: RTU Open Points/Properties in i-Vu®/Field Assistant
Point Name/Description
Save Performance Data Daily – If enabled, automatically moves Current Performance
Data to Historical Performance Data when resetting the Current Performance Data
every night at midnight.
Equipment Runtime – RTU Open's hours of operation which occurred in the previous
period that was prior to the last Performance Data reset.
Economizer Utilization – Percentage of Equipment Runtime hours, above active
Economizer time, which occurred in the previous period that was prior to the last
Performance Data reset.
DCV Utilization – Percentage of Equipment Runtime hours that the DCV was active in
the previous period that was prior to the last Performance Data reset.
Unocc Free Cool Utilization – Percentage of Equipment Runtime hours that the
Unoccupied Free Cooling was active in the previous period that was prior to the last
Performance Data reset.
Part Load Cooling Utilization – Percentage of Equipment Runtime hours that the
Cooling, with less than the maximum configured number of cooling stages, was active in
the previous period that was prior to the last Performance Data reset.
Full Load Cooling Utilization – Percentage of Equipment Runtime hours that the
Cooling, with all of the configured number of cooling stages, was active in the previous
period that was prior to the last Performance Data reset.
Heating Utilization – Percentage of Equipment Runtime hours that the Heating was
active in the previous period that was prior to the last Performance Data reset.
Previous High OAT – Maximum recorded OAT in the previous period that was prior to
the last Performance Data reset.
Previous Low OAT – Minimum recorded OAT in the previous period that was prior to the
last Performance Data reset.
Alarms
Navigation:
i-Vu® / Field Assistant:
Point Name/Description
Safety Chain – Indicates if the safety chain circuit trips.
Fire / Smoke Shutdown – Indicates if the fire shutdown circuit trips.
Gas Valve – Indicates that the integrated gas valve is stuck open and a flame is still
present while heat has been commanded off.
RTU Open v3
Installation and Start-up Guide
Properties
Control Program
>
86
Range
D:
Disable
R:
Disable/Enable
R:
__ hr
R:
0 to 100%
R:
0 to 100%
R:
0 to 100%
R:
0 to 100%
R:
0 to 100%
R:
0 to 100%
R:
__°F/C
R:
__°F/C
Alarms
>
Range
R:
Normal/Alarm
R:
Normal/Alarm
R:
Normal/Alarm
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