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
83
Point Name/Description
Default/Range
IAQ Source –
The source of the indoor air quality value. R: N/A
Local
Network
Linkage
Locked Value
Linkage & Local
ZS Sensor
Linkage & ZS Sensor
OAQ Source –
The source of the outdoor air quality value. R: N/A
Local
Network
Linkage
Locked Value
Linkage & Local
Outdoor Air Temperature Source
– The source of the outdoor air temperature. R: N/A
Local
Network
Linkage
Locked Value
System Cooling Demand Level
– The demand limit used by the control in cooling mode. R: 0 to 3
System Heating Demand Level
– The demand level used by the control in heating
mode.
R: 0 to 3
System Status
– The System Status Variable for Title 24. R: OA Econ unsuitable
Free Cooling Avail
Economizer Enabled
Compressor Enabled
Heating Enabled
MA Low Limit Active
Safety Chain Feedback
- Indicates a completed circuit from J1, 1 to J1, 9. This circuit is
typically used for safety devices that immediately stop unit operation when tripped.
R: Off/Run Enabled
Fire Shutdown
Status
–
Shutdown
indicates that a fire shutdown is in effect. R: Run Enabled/
Shutdown
Compressor Safety Status
–
Trouble
indicates that the compressor safety device has
tripped.
R: Normal/Trouble
Calculated Min Econ Pos –
Indicates the minimum position value that the economizer
control is using.
R: 0 to 100%
Calculated PE Setpoint –
Indicates the setpoint value the power exhaust fan control is
using. This value is automatically calculated from the configured setpoint when you use
a 2-speed or variable speed fan.
R: 0 to 100%
Active Compressor Stages –
The number of compressor stages currently operating. R: 0 to 2
Active Heat Stages –
The number of heating stages currently operating. R: 0 to 2
Fan Control
– The type of fan control used for this RTU Open. R: Single Speed
Two Speed
Variable Speed
Enthalpy Status
– The enthalpy status determined by an enthalpy switch. R: High/Low
Enthalpy (BACnet)
– The enthalpy status the controller receives through BACnet
communication.
R: High (0) / Low (1)

Carrier RTU Open v3 Specifications

General

Brand	Carrier
Model	RTU Open v3
Category	Controller
Language	English