FlexStat (General) 2 Application Guide, Rev L
BAC-1xx63/1xxx63 Series (6 Relays and 3 Analog Outputs) 27
Bills of Materials (BAC-1xx63/1xxx63) ...........................................................28
AHU (Air Handling Unit)—Modulating Heat and Modulating Cool ...........28
HPU (Heat Pump Unit)—1 or 2 Compressors w/ Aux. & Emergency Heat .29
RTU (Roof Top Unit)—1 or 2 Heat and 1 or 2 Cool ....................................29
FCU (Fan Coil Unit)—2 or 4 Pipe, Modulating or 2 Position ......................30
Sequence of Operation (BAC-1xx63/1xxx63) .................................................31
FlexStat (All Models) Common Features .....................................................31
Space Temperature Setpoints and Modes ................................................31
Occupancy Modes ..................................................................................32
Optimum Start .......................................................................................33
Standby Mode ........................................................................................33
Fan Control.............................................................................................34
Sensor 2 (Fan Status or Discharge Air Temp) ..........................................34
Economizer ............................................................................................34
DCV (Demand Controlled Ventilation)—General Information ...............35
DCV—Basic Configuration .....................................................................36
DCV—Standard Configuration ...............................................................36
DCV—Advanced Configuration .............................................................36
Dehumidification ...................................................................................39
Humidification (BAC-1x136 and BAC-1xx136 Only) ..............................39
Staged Heating and Cooling Parameters .................................................40
User Interface Display Backlight ............................................................40
BAC-1xx63/1xxx63 Applications ................................................................40
AHU (Air Handling Unit) .......................................................................40
HPU (Heat Pump Unit) ..........................................................................41
FCU (Fan Coil Unit), 2-Pipe ....................................................................43
FCU (Fan Coil Unit), 4-Pipe ....................................................................44
RTU (Roof Top Unit) ...............................................................................45
BAC-1xx36/1xxx36 Series (3 Relays and 6 Analog Outputs) 46
Bills of Materials (BAC-1xx36/1xxx36) ...........................................................47
AHU (Air Handling Unit)—Multiple H/C Options .....................................47
FCU (Fan Coil Unit)—2 or 4 Pipe, Modulating ...........................................49
Sequence of Operation (BAC-1xx36/1xxx36) .................................................50
BAC-1xx36/1xxx36 Common Features .......................................................50
BAC-1xx36/1xxx36 Series Applications ......................................................50
AHU (Air Handling Unit) .......................................................................50
Staged Heating and Cooling Parameters .................................................51
Economizer Control ...............................................................................52
FCU (Fan Coil Unit), 2-Pipe ....................................................................53
FCU (Fan Coil Unit), 4-Pipe ....................................................................54
BAC-1xx30 Series (3 Relays and 0 Analog Outputs) ............. 55
Bills of Materials (BAC-1xx30) .......................................................................56
AHU (Air Handling Unit)—1 Heat and 1 Cool ...........................................56
Cooling Unit—1 Cool .................................................................................56
Heating Unit—1 Heat ................................................................................56
HPU (Heat Pump Unit)—1 Compressor .....................................................56
Sequence of Operation (BAC-1xx30) .............................................................57
BAC-1xxx53 Series (5 Relays, 1 Triac, & 3 Analog Outputs) . 58
Index
.................................................................................... 59