Carrier RTU Open v3 User Manual

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
77
Point Name/Description
Default/Range
Low RH Alarm Limit
– The value that the relative humidity sensor must drop below to
generate a
Space Humidity Alarm
in either the unoccupied or occupied modes if
RH
Control
is set to
Enable
. There is a fixed hysteresis of 5%rh for return to normal.
D:
R:
30%rh
0 to 100%rh
IAQ/Ventilation Alarm
Occupied High CO2 Alarm Limit
– The value that the CO
2
sensor must exceed to
generate an
IAQ Alarm
in the occupied mode. There is a fixed hysteresis of 100ppm for
return to normal. Requires a valid
Indoor Air Quality CO2
sensor value and
IAQ Control
is set to
Enable
.
D:
R:
1200ppm
0 to 9999 ppm
Alarms Displayed on ZS or SPT Sensor
You can individually select items below to show the alarm indicator on the ZS or SPT
sensor.
Range
Fire / Smoke Shutdown
Alarm
– If set to display, shows the alarm indicator on the
communicating zone sensors with display, if the fire shutdown circuit trips.
D:
R:
Ignore
Ignore/Display
Stuck Gas Valve Alarm
– If set to display, shows the alarm indicator on the
communicating zone sensors with display, if the fire shutdown circuit trips.
D:
R:
Ignore
Ignore/Display
Compressor Safety/Chain Alarm
– If set to display, shows the alarm indicator on the
communicating zone sensors with display, if the safety chain circuit trips.
D:
R:
Ignore
Ignore/Display
Space Temperature High/Low Alarm
– If set to display, shows the alarm indicator on
the communicating zone sensors with display, if the space temperature sensor exceeds
the high or low alarm limit.
D:
R:
Ignore
Ignore/Display
Space Indoor Air CO2 High Alarm
– If set to display, shows the alarm indicator on the
communicating zone sensors with display, if the occupied CO2 level exceeds the
configured high alarm limit.
D:
R:
Ignore
Ignore/Display
Space Relative Humidity High Alarm
– If set to display, shows the alarm indicator on
the communicating zone sensors with display, if a valid space relative humidity sensor
exceeds the configured alarm limits.
D:
R:
Ignore
Ignore/Display
Supply Fan Failure Alarm
– If set to display, shows the alarm indicator on the
communicating zone sensors with display, if the supply fan is not operating when
commanded on.
D:
R:
Ignore
Ignore/Display
Supply Air Temperature Low OR High Alarm
– If set to display, shows the alarm
indicator on the communicating zone sensors with display, if the supply air temperature
exceeds the configured alarm limits.
D:
R:
Ignore
Ignore/Display
Maintenance Displayed on ZS Sensor

Carrier RTU Open v3 Specifications

General

Brand	Carrier
Model	RTU Open v3
Category	Controller
Language	English