table of contents
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9
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Temperature Control ...................................................................................................................................... 40
Fan Control......................................................................................................................................................... 40
Input / Output Points ..................................................................................................................................... 40
4
CONTROL SEQUENCE OVERVIEW
Occupancy States and Mode Commands................................................................................................. 42
Temperature Control ...................................................................................................................................... 42
Primary Air State and Damper Control ...................................................................................................... 43
Heating Control ................................................................................................................................................ 43
Fan Control......................................................................................................................................................... 43
Occupancy States and Mode Commands ...................................................... 44
Occupancy State Command ......................................................................................................................... 44
Primary Air State Command ......................................................................................................................... 44
Standby State of Operation .......................................................................................................................... 45
Primary Air Mode .............................................................................................................................................. 45
Load Shed Enable ............................................................................................................................................ 45
Fire Stop Command ........................................................................................................................................ 45
Purge Command .............................................................................................................................................. 46
Writing the Command Mode to the CBV-2U4-3T(-N) ............................................................................ 46
BACnet communications status and Stand-Alone operation ............................................................. 47
Temperature Control......................................................................................... 48
Control Modes................................................................................................................................................... 48
Cooling and Heating Offsets ........................................................................................................................ 48
Zone Temperature Setpoints ....................................................................................................................... 48
Setpoint Modifiers ........................................................................................................................................... 49
ZATContrlModeEnumeration (A190) RO ................................................................................................... 49
Zone Temperature Alarms............................................................................................................................. 49
Primary Air Damper Control ............................................................................. 50
Primary Airflow .................................................................................................................................................. 50
Primary Air Setpoint Management.............................................................................................................. 50
Test and Balance .............................................................................................................................................. 53
Heating Control .................................................................................................. 55
Terminal Unit Heat ........................................................................................................................................... 55
Baseboard Heat ................................................................................................................................................ 55
Heat Order.......................................................................................................................................................... 56
Digital Output Direct/Reverse Action ........................................................................................................ 56
Digital Output Display Position ................................................................................................................... 56
Analog Output Range Options ..................................................................................................................... 56
Analog Output Direct/Reverse Action ....................................................................................................... 57
Analog Output Display Position ................................................................................................................... 57
Fan Control ......................................................................................................... 58
Parallel Single Speed Fan ............................................................................................................................... 58
Series Single Speed Fan ................................................................................................................................. 58
Variable Speed Fan .......................................................................................................................................... 59
Parallel Variable Speed Fan ........................................................................................................................... 59
Series Variable Speed Fan ............................................................................................................................. 60
APPENDIX : LIST OF CBV-2U4-3T(-N) POINTS
Hardware Points (I/O) ....................................................................................... 61
Analog ...................................................................................................................................................................61
Digital....................................................................................................................................................................61
Analog Values ..................................................................................................... 62
Binary Values ...................................................................................................... 68
Summary of Contents for CBV-2U4-3T
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