ABB FBVi-2U4-4T User Manual

table of contents
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Subject to change without notice
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6
MAN0148 rev 5
Window Sensor and Fan Status .......................................................................... 86
Window Sensor ................................................................................................................................................. 86
Fan Status .......................................................................................................................................................... 86
Damper Control ...................................................................................................... 86
Test and Balance .....................................................................................................87
Setting initial box size ..................................................................................................................................... 87
Zeroing Airflow sensor ................................................................................................................................... 87
Airflow Calibration Procedure ...................................................................................................................... 87
Scheduling ............................................................................................................... 89
Alarms ....................................................................................................................... 89
Low Airflow Alarm ............................................................................................................................................ 89
Low Discharge Air Temperature Alarm ...................................................................................................... 89
Zone Air Temperature Failure....................................................................................................................... 89
Discharge Air Temperature Failure ............................................................................................................. 89
High/Low Zone Air Temperature Alarm .................................................................................................... 89
Airflow Calibration Alarm ............................................................................................................................... 89
Leaking Damper Alarm ................................................................................................................................... 89
Leaking Valve Alarm ......................................................................................................................................... 89
Fan Alarm ............................................................................................................................................................ 89
High CO₂ Alarm ................................................................................................................................................. 89
Network Variables .................................................................................................. 90
Network In Variables ....................................................................................................................................... 90
Unit Status and Graphic Points ........................................................................... 91
Unit Status .......................................................................................................................................................... 91
Graphic Points .................................................................................................................................................... 91
Fan Control .............................................................................................................. 93
Parallel Fan ......................................................................................................................................................... 93
Series Fan ........................................................................................................................................................... 93
Variable Speed Fan .......................................................................................................................................... 93
Parallel Variable Speed Fan ........................................................................................................................... 93
Series Variable Speed Fan ............................................................................................................................. 93
9 APPENDIX: LIST OF FBVI-2U4-4T POINTS
Hardware Points (I/O) .......................................................................................... 94
Analog .................................................................................................................................................................. 94
Digital .................................................................................................................................................................. 94
BACnet Analog Values ........................................................................................... 95
BACnet Binary Values ............................................................................................ 99
10 APPENDIX: TROUBLESHOOTING
Controller State ..................................................................................................... 101
LED Light Indicators ....................................................................................................................................... 101
Comm Loss ....................................................................................................................................................... 101
Wired CBT Stat Failure ................................................................................................................................... 101
Airflow Failure .................................................................................................................................................. 101
Damper Failure ................................................................................................................................................ 101
Fan Failure ......................................................................................................................................................... 101
Duct Heat Failure............................................................................................................................................. 101

ABB FBVi-2U4-4T Specifications

General

Brand	ABB
Model	FBVi-2U4-4T
Category	DC Drives
Language	English