Appendix A: Network Points List for RTU Open
RTU Open v5
CARRIER CORPORATION ©2019
Integration Guide
All rights reserved
42
In the i-Vu® interface, select the controller in the navigation tree and go to
Properties
>
BACnet Objects
tab. When
an i-Vu® Open controller or a third party system writes to any of the system points, you must use
BACnet Priority
Level 16
and the value
must
not be written to or refreshed more than once per minute (60 seconds).
CAUTION
If any other
Priority Level
is used, the value will not be recognized by the controller.
* Modbus, N2, and LonWorks default values only apply to multi-protocol controllers.
† Points do not apply to multi-protocol controllers.
BACnet System
Points Display
Name
Valid Range
BACnet/
Modbus
/N2 Default Value*
LonWorks
Default Value*
Recommended Write
Rrefresh
Time
(min/max)
System Space
Temperature
-50 – 150°F
-999
~180°F
1 min/5 min
System Space RH
1 – 100%
-999
-15.96
5 min / 10 min
System Space AQ
200 – 9999 ppm
-999
64537
5 min / 10 min
System OA
Temperature
-50 – 150°F
-999
~180°F
5 min / 60 min
[OA] Enthalpy
(BACnet)
High (0) / Low (1)
Low (1)
Low (1)
On change of state
System Outdoor AQ
200 – 9999 ppm
-999
-999
5 min / 60 min
System Water
Temperature
-50 – 150°F
-999
~180°F
5 min / 60 min
†System
Fire/Smoke
Inactive (0) / Active (1)
Inactive (0)
N/A
On change of state
†System
Pressurization
Inactive (0) / Active (1)
Inactive (0)
N/A
On change of state
Occupancy control
configuration
1 = Always Occupied
2 = BACnet Schedule
(WebCTRL® only)
3 = BAS On/Off (third
party control)*
4 = Remote Occ Input
1 = Always
Occupied
(Only available
through BACnet)
N/A
N/A
BAS On/Off*
(Occupancy)
Occupancy control
configuration ust be
set for 3 = BAS
On/Off
1=Inactive
2=Occupied
3=Unoccupied
Inactive (1)
Inactive (1)
On change of state
