Carrier RTU Open v3 - Page 91

Appendix A: RTU Open Points/Properties in i-Vu®/Field Assistant
RTU Open v3 CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
87
Point Name/Description
Range
Compressor Status
– Indicates if the compressor safety circuit trips. R: Normal/Alarm
Space Temperature –
Indicates if the space temperature sensor exceeds the high or
low alarm limit.
R: Normal/Alarm
Alarming Temperature
– Indicates the space temperature value that caused the space
temperature alarm. Visible only in an alarm condition.
R: The sensor's range
Alarm Limit Exceeded
– The alarm limit that the alarming space temperature sensor
exceeded. Visible only in an alarm condition.
R: The configured limit
SPT Sensor –
Indicates if the SPT communicating zone temperature sensor is no longer
communicating.
R: Normal/Alarm
Space Temp Sensor –
Indicates that a valid space temperature sensor or sensor value
is no longer available to the controller.
R: Normal/Alarm
Supply Air Temperature
– Indicates if the supply air temperature exceeds the
configured alarm limits.
R: Normal/Alarm
Supply Air Temp Sensor –
Indicates if the supply air temperature sensor fails. R: Normal/Alarm
Supply Fan Failure
– The supply fan is not operating when commanded on. R: Normal/Alarm
Supply Fan in Hand
– The supply fan is operating when commanded off. R: Normal/Alarm
Indoor Air Quality –
Indicates if the occupied CO
2
level exceeds the configured high
alarm limit.
R: Normal/Alarm
Indoor Air Quality Sensor
– Indicates that a valid indoor air quality sensor or sensor
value is no longer available to the controller.
R: Normal/Alarm
Space Relative Humidity –
Indicates that a valid space relative humidity sensor
exceeds the configured alarm limits.
R: Normal/Alarm
Space Relative Humidity Sensor –
Indicates that a valid space relative humidity sensor
or sensor value is no longer available to the controller.
R: Normal/Alarm
Filter
– Indicates a dirty filter condition when the filter runtime exceeds the value of the
Filter Service Alarm Timer
or in response to a filter status switch binary input.
R: Clean/Dirty
Local OAT Sensor
– Indicates the local outdoor air temperature sensor connected to
this equipment fails.
R: Normal/Alarm
Outdoor Air Temp Sensor –
Indicates if the controller is no longer receiving a valid
outdoor air temperature value either through the network or from a local sensor.
R: Normal/Alarm
Economizer Operation
– Indicates the state of the economizer’s operation and if an
economizer Operation Fault has been detected.
R: Normal/Alarm
Economizer
– If
Economizer Operation
has been set to
Alarm
, the
Economizer Fault
Detection Diagnostic Result
displays.
R: Normal
Failed to Fully Open
Failed to Open
Failed to Close
Stuck Open
Outdoor Air Quality Sensor –
Indicates if the outdoor air quality (CO
2
) sensor fails.
R: Normal/Alarm
Setpoint Slider
– Indicates if the T56 sensor's setpoint slider potentiometer fails. R: Normal/Alarm
Switch Configuration
– Indicates if a duplicate configuration exists for two or more
binary Input 3, 5, 8, & 9 Functions.
R: Normal/Alarm