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Fan filter unit (FFU) controller · BACnet points list
Price Industries BFC BACnet flow controller for fan filter units BACnet points list
Updated 6 November 2026
The BFC is Price's ECM fan controller for fan filter units, with BACnet MS/TP. The points list has 38 objects: ECM setpoint and setback setpoint, airflow, motor speed, unit pressure, filter load and runtime, unit and fan status, control mode and unit configuration.
This page lists 38 BACnet objects for the Price Industries BFC BACnet flow controller for fan filter units — 10 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Price Industries’s own free documentation, linked below.
- Manufacturer
- Price Industries
- Model
- BFC BACnet flow controller for fan filter units
- Equipment
- Fan filter unit (FFU) controller
- Equipment type
- Other equipment
- BACnet objects
- 38 (10 writable)
- Transport
- BACnet MS/TP
- Firmware
- v3.2.0
- Also known as
- BFC, BACnet Flow Controller, Price BFC, FFU controller, UFFU
- Source document
- BACnet Flow Controller (BFC) for Fan Filter Units - Manual
Reference only, provided as-is: verify against Price Industries’s current documentation and the live device before use. Not official Price Industries information. Terms of use.
BMS integration notes: Price Industries BFC BACnet flow controller for fan filter units
Write AO 4 ECM Setpoint (motor speed %) from the BMS and read AV 4 airflow, AI 4 motor speed, MV 1 unit status, AV 13 fan status and AV 1 filter load. MV 2 shows whether BACnet, the BAS 0-10 V input or local control is in charge.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| AO 4 | ECM Setpoint | Motor speed setpoint, % | Write |
| MV 2 | Control Mode | Active control: BACnet, BAS or local | Read |
| AV 4 | Airflow | Current airflow, cfm | Read |
| AI 4 | ECM Speed | Motor speed, rpm | Read |
| AV 1 | Filter Load | Filter loading, % | Read |
| MV 1 | Unit Status | Off, low pressure, normal, filter loaded | Read |
| AV 13 | ECM Fan Status | Off, normal, no RPM, overspeed | Read |
Enable & remote start
A BAS 0-10 V signal on AI1 above 1 V overrides the local setpoint (AV 15 shows when it is present); MV 2 Control Mode reports BACnet, BAS or local control.
Network setup
- Device instance and MAC address are set on the BFC service menu (device instance range 1-4,194,303); default baud rate 76800.
- Write AV 12 No Load Pressure = 1 to calibrate the clean filter pressure.
Watch out for
- Write AV 2 Filter Runtime = 0 only after a filter change and calibration.
Price Industries BFC BACnet flow controller for fan filter units BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AI | 1 | Analog Input 1 (BAS) | 0-10 VDC Signal for remote fan speed control | V | Read | |
| AI | 2 | Analog Input 2 (LED) | 0-10 VDC remote LED dimming signal (UFFU with BACnet dimming) | V | Read | |
| AI | 3 | Thermistor | Current air temperature over filter | °F/°C | Read | |
| AImin | 4 | ECM Speed | Current RPM of motor | rpm | Read | |
| AI | 5 | Unit Pressure | Current differential pressure measured across the filter | in. w.g. | Read | |
| BI | 1 | Contact Closure | Binary Input for monitoring only | Read | ||
| AO | 1 | Analog Output 1 Filter Load | Configurable for Unit Pressure, CFM, RPM, Filter Load , BAS, *LED Dimming | V | Write | |
| AO | 2 | Analog Output 2 Unit Pressure | Configurable for Unit Pressure, CFM, RPM, Filter Load , BAS, *LED Dimming | V | Write | |
| AO | 3 | Analog Output 3 (BAS) | Configurable output: pressure, CFM, RPM, filter load, BAS or LED | V | Write | |
| AOmin | 4 | ECM Setpoint | Set ECM motor setpoint | % | Write | |
| AVmin | 1 | Filter Load | Current percent of filter loading based on new, clean filter pressure drop | % | Read | |
| AV | 2 | Filter Runtime | Current number of hours on filter since last reset | h | Write | |
| AV | 3 | Motor Runtime | Current number of hours on motor since last reset | h | Read | |
| AVmin | 4 | Airflow | Current airflow | cfm | Read | |
| AV | 5 | Filter Calibrated Pressure | Unit pressure when filter was calibrated | in. w.g. | Read | |
| AV | 6 | Filter Trip Pressure | Filter trip pressure | in. w.g. | Read | |
| AV | 7 | Filter Loading Trip Point | Factory set filter loading trip point | Read | ||
| AV | 8 | ECM Setback Setpoint | Second ECM setpoint, used while BI 1 contact is closed | % | Write | |
| AV | 9 | ECM CFM Offset | Set a fixed offset for adjusting CFM readout | cfm | Write | |
| AV | 10 | ECM CFM Tweak | Set a percent offset for adjusting CFM readout | % | Write | |
| AV | 11 | LED Dimming Setpoint | Set LED dimming percentage (for UFFU w/ BACnet Dimming) | % | Write | |
| AV | 12 | No Load Pressure | Calibrate filter by writing 1 | Write | ||
| AVmin | 13 | ECM Fan Status | Displays motor status | Read | 1=Off, 2=Normal, 3=No RPM, 4=Overspeed | |
| AV | 14 | Filter Calibrating | Displays filter calibration status | Read | 0=Calibration Complete, 1=Calibrating | |
| AV | 15 | BAS Enabled | Read | 0=No AI1 BAS Signal, 1=AI1 BAS signal present | ||
| AV | 16 | BAS LED Enabled | Read | 0=No AI2 BAS Signal, 1=AI2 BAS signal present | ||
| MVmin | 1 | Unit Status | Read | 1=Off, 2=Low Pressure , 3=Normal, 4=Filter Loaded | ||
| MVmin | 2 | Control Mode | Read | 1=BACnet, 2=BAS, 3=Local | ||
| MV | 3 | Motor Program | Read | 1=Constant Torque, 2=Constant Volume | ||
| MV | 4 | Unit Size | Read | 1=2x2, 2=2x3, 3=2x4 | ||
| MV | 5 | Unit Filter Type | Read | 1=BTR, 2=RSR | ||
| MV | 6 | Unit Wheel Type | Read | 1=FC, 2=BC | ||
| MV | 7 | Unit Voltage Type | Read | 1=115, 2=240, 3=277 | ||
| MV | 9 | AO1 Usage | Read | 1=Disabled, 2=RPM, 3=Fitler Load, 4=BAS, 5=Unit Press, 6=LED (On/Off), 7=LED (Dimming), 8=CFM | ||
| MV | 10 | AO2 Usage | Read | 1=Disabled, 2=RPM, 3=Fitler Load, 4=BAS, 5=Unit Press, 6=LED (On/Off), 7=LED (Dimming), 8=CFM | ||
| MV | 11 | AO3 Usage | Read | 1=Disabled, 2=RPM, 3=Fitler Load, 4=BAS, 5=Unit Press, 6=LED (On/Off), 7=LED (Dimming), 8=CFM | ||
| MV | 12 | RS-485 Term. | Read | 0=Disabled, 1=Enabled | ||
| MV | 13 | Baud Rate | bps | Read | 0=9600, 1=19200, 2=38400, 3=76800 |
No points match these filters.
Object ID lookup: Price Industries BFC BACnet flow controller for fan filter units point IDs by name
AI1Analog Input 1 (BAS)AI2Analog Input 2 (LED)AI3ThermistorAI4ECM SpeedAI5Unit PressureBI1Contact ClosureAO1Analog Output 1 Filter LoadAO2Analog Output 2 Unit PressureAO3Analog Output 3 (BAS)AO4ECM SetpointAV1Filter LoadAV2Filter RuntimeAV3Motor RuntimeAV4AirflowAV5Filter Calibrated PressureAV6Filter Trip PressureAV7Filter Loading Trip PointAV8ECM Setback SetpointAV9ECM CFM OffsetAV10ECM CFM TweakAV11LED Dimming SetpointAV12No Load PressureAV13ECM Fan StatusAV14Filter CalibratingAV15BAS EnabledAV16BAS LED EnabledMV1Unit StatusMV2Control ModeMV3Motor ProgramMV4Unit SizeMV5Unit Filter TypeMV6Unit Wheel TypeMV7Unit Voltage TypeMV9AO1 UsageMV10AO2 UsageMV11AO3 UsageMV12RS-485 Term.MV13Baud Rate
Integration notes
- Taken from the "BACnet points list for BFC firmware v3.2.0" at the end of the manual (PDF pages 30-31; the contents page calls it v3.1.0).
- Several AV and MV objects carry coded values; the codes are listed in the states field.
- AO1-AO3 functions are set with MV 9-11 (AO usage).
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the BFC BACnet flow controller for fan filter units and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Price Industries BFC BACnet flow controller for fan filter units
How many BACnet points does the Price Industries BFC BACnet flow controller for fan filter units have?
This list has 38 BACnet objects: 5 analog inputs, 4 analog outputs, 16 analog values, 1 binary input, 12 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Price Industries BFC BACnet flow controller for fan filter units BACnet points are writable?
10 of the 38 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Price Industries BFC BACnet flow controller for fan filter units BACnet documentation?
The source is BACnet Flow Controller (BFC) for Fan Filter Units - Manual, published free by Price Industries at https://priceindustries.com/wp-content/uploads/Assets/literature/manuals/section%20a/bfc-bacnet-flow-controller-manual.pdf.
What are the minimum BACnet points to integrate the Price Industries BFC BACnet flow controller for fan filter units?
Start with AO 4 ECM Setpoint (Motor speed setpoint, %); MV 2 Control Mode (Active control: BACnet, BAS or local); AV 4 Airflow (Current airflow, cfm); AI 4 ECM Speed (Motor speed, rpm); AV 1 Filter Load (Filter loading, %); MV 1 Unit Status (Off, low pressure, normal, filter loaded); AV 13 ECM Fan Status (Off, normal, no RPM, overspeed).
How do I enable BMS control of the Price Industries BFC BACnet flow controller for fan filter units?
A BAS 0-10 V signal on AI1 above 1 V overrides the local setpoint (AV 15 shows when it is present); MV 2 Control Mode reports BACnet, BAS or local control.
How do I check these points on the real BFC BACnet flow controller for fan filter units?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
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Source: BACnet Flow Controller (BFC) for Fan Filter Units - Manual. Object names, instances and units are reproduced as published; descriptions are our own.