Name: ABB FBVi-2U4-4T
Brand: ABB
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USER GUIDE

MAN0148 rev 5

FBVi-2U4-4T

Table of Contents3
THE FBVI-2U4-4T Introduction7
Application7
Ip Networking8
What Is IP8
Physical Layer (Layer 1)8
Datalink Layer (Layer 2)8
Network Layer (Layer 3)8
Transport Layer (Layer 4)8
Session Layer (Layer 5)8
Presentation Layer (Layer 6)8
Applications Layer (Layer 7)8
IP Addressing9
DHCP (Dynamic Host Configuration Protocol)9
Subnetwork (Subnet)9
Default Gateway10
Port Numbers11
Uplink/Wan and Segmentation12
Network Address Translation (NAT)13
Domain Name System (DNS)13
Bacnet Networking14
What Is Bacnet14
Bacnet Object Types15
Bacnet Services15
Bacnet's Client / Server Nature16
Network Types16
PIC Statement16
Bacnet Topology17
Bacnet IP18
Bacnet IP Broadcast Management Device (BBMD)18
Bacnet MS/TP19
Token Passing19
Addressing19
Baud Rates20
Network Optimization20
Bacnet MS/TP Device Loading20
Read Property Multiple20
Bacnet Priority Array21
Fbvi Web Ui22
Summary Dashboard22
Bacnet Menu23
Device23
Router Networks23
Time Sync24
Bbmd / Nat25
IP Network Menu26
Configuration26
TCP/UDP Ports27
Edit SSL Cert / Sign SSL Cert28
Platform Menu29
Status Report29
Firmware Upgrade Utility29
Backup/Restore Utility30
Set Time and Date30
Restart Utility31
Diagnostics Menu32
Processes32
Debug Level32
System Logs33
Open-Source Acknowledgment Notices33
Installation34
Apply Power to the Fbvi-2U4-4T34
Connect the Fbvi to an IP Network34
The Fbvi Integrated Ethernet Switch35
Configuring the IP Connection35
Wiring the IO43
Configuring the Fbvi-2U4-4T Controller45
Setting Fbvi-2U4-4T Bacnet Commissioning Configuration Codes in Cxproᴴᴰ45
Input Configuration46
Heat Setup47
Heat Order48
Digital Hardware Output Configuration48
Digital Output Direct/Reverse Action49
Analog Hardware Output Range Options49
Analog Output Direct/Reverse Action49
Fbvi Operation50
Physical Layout50
Inputs and Outputs52
Input Modes52
Output Modes55
Auxiliary Power Output56
Using a Keypad with the Fbvi57
Fbvi-2U4-4T Control Sequences58
FBVI-2U4-4T Common Control Sequences58
VAV Cooling Only no Fan58
Temperature Control58
Input / Output Points59
VAV Cooling Only Constant Series Speed Fan60
Temperature Control60
Damper Control60
Series Single Speed Fan60
Input / Output Points61
VAV Cooling Only Variable Series Speed Fan62
Temperature Control62
Damper Control62
Series Variable Speed Fan62
Input / Output Points63
VAV One to Three Stage Electric Reheat no Fan64
Temperature Control64
Input / Output Points66
VAV One to Three Stage Electric Reheat Single Speed Fan67
Temperature Control67
Damper Control67
Fan Control67
Input / Output Points68
VAV One to Three Stage Electric Reheat Variable Speed Fan69
Temperature Control69
Damper Control69
Fan Control70
VAV Modulating Hot Water Reheat no Fan72
Temperature Control72
Input / Output Points74
VAV Modulating Hot Water Reheat Single Speed Fan75
Temperature Control75
Damper Control75
Fan Control76
Input / Output Points77
VAV Modulating Hot Water Reheat Variable Speed Fan78
Temperature Control78
Fan Control79
Input / Output Points80
Control Sequence Overview81
Occupancy Commands81
Occupied Mode81
Unoccupied Mode81
Bacnet Heartbeat Communication Status and Stand-Alone Operation82
HVAC Modes83
Warm-Up/Heating State83
Cool-Down/Cooling State83
Heat Only83
Cool Only83
Fire Stop Command83
Purge Command83
Temperature Control84
Heating Mode84
Cooling Mode84
Vent Mode85
Setpoint Modifiers85
CBT Stat85
CO₂ and Humidity86
CO₂ Control86
Humidity Monitoring86
Window Sensor and Fan Status86
Window Sensor86
Fan Status86
Damper Control86
Test and Balance87
Setting Initial Box Size87
Zeroing Airflow Sensor87
Airflow Calibration Procedure87
Scheduling89
Alarms89
Low Airflow Alarm89
Low Discharge Air Temperature Alarm89
Zone Air Temperature Failure89
Discharge Air Temperature Failure89
High/Low Zone Air Temperature Alarm89
Airflow Calibration Alarm89
Leaking Damper Alarm89
Leaking Valve Alarm89
Network Variables90
Network in Variables90
Unit Status and Graphic Points91
Unit Status91
Graphic Points91
Fan Control93
Parallel Fan93
Series Fan93
Variable Speed Fan93
Parallel Variable Speed Fan93
Series Variable Speed Fan93
Appendix: List of Fbvi-2U4-4T Points94
Hardware Points (I/O)94
Analog94
Digital94
Bacnet Analog Values95
Bacnet Binary Values99
10 APPENDIX: Troubleshooting101
Controller State101
LED Light Indicators101
Comm Loss101
Wired CBT Stat Failure101
Airflow Failure101
Damper Failure101
Fan Failure101
Duct Heat Failure101

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

ABB FBVi-2U4-4T User Manual

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