BAC-9300 Series Controller Installation Guide 9 925-019-02G
BAC-9301 RTU BAC-9311 RTU
Inputs Inputs
AI1 Space Sensor (on Room Sensor port) AI1 Space Sensor (on Room Sensor port)
AI2 Space Setpoint Offset (on port) AI2 Space Setpoint Offset (on port)
AI3/UI3 Discharge Air Temperature AI3/UI3 Discharge Air Temperature
AI4/UI4 Outdoor Air Temp AI4/UI4 Outdoor Air Temp
AI5/UI5 Space Humidity AI5/UI5 Space Humidity
AI7/UI7 Analog Input #7 AI7/UI7 Economizer Feedback
AI8/UI8 Analog Input #8 AI8/UI8 Analog Input #8
BI6/UI6 Fan AI9 Duct Pressure (internal sensor)
BI6/UI6 Fan
Outputs Outputs
AO7/UO7 Analog Cooling Output AO7/UO7 Analog Cooling Output
AO8/UO8 Analog Heating Output AO8/UO8 Analog Heating Output
AO9/UO9 Economizer Output AO9/UO9 Economizer Output
AO10/UO10 Analog Output #10 AO10/UO10 Analog Output #10
BO1 Fan Start - Stop BO1 Fan Start - Stop
BO2 Cool Stage 1 BO2 Cool Stage 1
BO3 Cool Stage 2 BO3 Cool Stage 2
BO4 Binary Output #4 BO4 Binary Output #4
BO5 Heating Stage 1 BO5 Heating Stage 1
BO6 Heating Stage 2 BO6 Heating Stage 2
BAC-9311 VAV
Inputs
AI1 Space Sensor (on Room Sensor port)
AI2 Space Setpoint Offset (on port)
AI3/UI3 Discharge Air Temperature
AI4/UI4 Analog Input #4
AI5/UI5 Analog Input #5
AI6/UI6 Analog Input #6
AI7/UI7 Analog Input #7
AI8/UI8 Primary Damper Position
AI9 Primary Duct Pressure (internal sensor)
Outputs
AO7/UO7 Analog Heat
AO8/UO8 Fan Speed
AO9/UO9 Analog Output #9
AO10/UO10 Analog Output #10
BO1 Fan
BO2 Heating Stage 1
BO3 Heating Stage 2
BO4 Heating Stage3
BO5 Primary Damper CW
BO6 Primary Damper CCW
NOTE: See Sample (BAC-9311) Wiring on
page 7 for more information.
NOTE: Universal Input (UIx) terminal = Analog
Input (AIx) object or Binary Input (BIx).
Universal Output (UOx) terminal =
Analog Output (AOx) object.
NOTE: Universal (analog) inputs and outputs
can be congured to emulate binary
(on/off or voltage/no-voltage) objects.
They are used with GND terminals.
NOTE: Binary Output (BOx) terminals are
triacs and are used with SC terminals
instead of GND terminals.
AI3/UI3
AI4/UI4
AI5/UI5
AI7/UI7
AI8/UI8
BI6/UI6