Easy BACnet- Home
- BACnet points lists
- Accutrol
- IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)
Outdoor airflow measurement station · BACnet points list
Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) BACnet points list
Updated 6 November 2026
The IAQ-TEK measures outdoor air intake volume and mass flow at one or two intakes, plus outside air temperature, humidity, dew point, enthalpy and barometric pressure. With the optional BACnet MS/TP module it exposes 12 AIs, writable flow-adjust and alarm-limit AVs, a fan status BI, a commit-to-flash BV and 16 MSVs for units and alarm states. Units of every AI/AV follow the unit MSVs.
This page lists 39 BACnet objects for the Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) — 13 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Accutrol’s own free documentation, linked below.
- Manufacturer
- Accutrol
- Model
- IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)
- Equipment
- Outdoor airflow measurement station
- Equipment type
- Thermostats, sensors & meters
- BACnet objects
- 39 (13 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Also known as
- IAQ-TEK, IAQ TEK, IAQ3xxxx, Accutrol IAQ-TEK BACnet
Reference only, provided as-is: verify against Accutrol’s current documentation and the live device before use. Not official Accutrol information. Terms of use.
BMS integration notes: Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)
Enable BACnet MS/TP in the IAQ-TEK Insight software (baud defaults to Disabled), set the MAC and device instance, then read total intake airflow, the per-intake flows and the flow alarm states. Write BV 1 only after changing settings that must survive a power cycle.
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 |
|---|---|---|---|
| AI 7 | Total Intake Airflow Volume | Total outdoor air intake airflow | Read |
| AI 1 | Primary Intake Airflow Volume | Primary intake airflow | Read |
| AI 2 | Secondary Intake Airflow Volume | Secondary intake airflow (if fitted) | Read |
| AI 3 | Outside Air Temperature | Outside air temperature | Read |
| AI 11 | Outside Air Humidity | Outside air relative humidity, % | Read |
| BI 1 | Fan Status | Fan status input | Read |
| MV 3 | Primary Flow Alarm Status | 1 normal, 2 high, 3 low flow alarm | Read |
| MV 4 | Secondary Flow Alarm Status | 1 normal, 2 high, 3 low flow alarm | Read |
Network setup
- BACnet settings are made in IAQ-TEK Insight (USB or Bluetooth); the display only shows them.
- Baud 9600, 19200, 38400, 76800 or 115200; default is Disabled, so BACnet is off until a rate is chosen.
- MAC address 1-128 (per manual); device instance up to 4,194,303, or write it via the wildcard instance 4194303.
- The module provides no bias or end-of-line termination; supply them elsewhere on the trunk.
- Disconnect the USB/Bluetooth configuration link during BACnet operation to avoid conflicts.
Watch out for
- Flash memory allows only 10,000 commits (AI 4 shows what is left); never write BV 1 cyclically.
- Changed settings are lost at power-down unless BV 1 is written.
- The reinitialize command needs the device's unique reset password.
Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) 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 | |||||
|---|---|---|---|---|---|---|
| AImin | 1 | Primary Intake Airflow Volume | CFM, CMS, CMM or CMH (MSV 1) | Read | ||
| AImin | 2 | Secondary Intake Airflow Volume | CFM, CMS, CMM or CMH (MSV 1) | Read | ||
| AImin | 3 | Outside Air Temperature | °F or °C (MSV 16) | Read | ||
| AI | 4 | Flash Writes Remaining | Flash write cycles left (limit 10,000) | Read | ||
| AI | 5 | Primary Intake Mass Flow Measurement | lb/min or kg/min (MSV 2) | Read | ||
| AI | 6 | Secondary Intake Mass Flow Measurement | lb/min or kg/min (MSV 2) | Read | ||
| AImin | 7 | Total Intake Airflow Volume | CFM, CMS, CMM or CMH (MSV 1) | Read | ||
| AI | 8 | Total Intake Mass Flow Measurement | lb/min or kg/min (MSV 2) | Read | ||
| AI | 9 | Outside Air Dew Point | °F or °C (MSV 16) | Read | ||
| AI | 10 | Outside Air Enthalpy | Btu/lb or kJ/kg | Read | ||
| AImin | 11 | Outside Air Humidity | %RH | Read | ||
| AI | 12 | Barometric Pressure | inHg | Read | ||
| AV | 1 | Unsubscribed COV Interval | Seconds between unsubscribed COV broadcasts; 0 = off | s | Write | |
| AV | 3 | Primary Flow Measurement Adjust | Primary flow correction | % | Write | |
| AV | 4 | Secondary Flow Measurement Adjust | Secondary flow correction | % | Write | |
| AV | 5 | Primary High Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| AV | 6 | Primary Low Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| AV | 7 | Secondary High Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| AV | 8 | Secondary Low Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| AV | 9 | Primary Reverse Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| AV | 10 | Secondary Reverse Flow Alarm Limit | CFM, CMS, CMM or CMH (MSV 1) | Write | ||
| BImin | 1 | Fan Status | Fan status input | Read | ||
| BV | 1 | Commit to Flash | Write 1 to save settings to flash | Write | ||
| MV | 1 | Airflow Units | Airflow volume units | Write | 1=CFM, 2=CMS, 3=CMM, 4=CMH | |
| MV | 2 | Mass Flow Units | Mass flow units | Write | 1=lb/min, 2=kg/min | |
| MVmin | 3 | Primary Flow Alarm Status | Read | 1=Normal, 2=High Alarm, 3=Low Alarm | ||
| MVmin | 4 | Secondary Flow Alarm Status | Read | 1=Normal, 2=High Alarm, 3=Low Alarm | ||
| MV | 5 | Primary Heater Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 6 | Secondary Heater Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 7 | Primary Pressure Sensor Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 8 | Secondary Pressure Sensor Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 9 | Primary Reverse Flow Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 10 | Secondary Reverse Flow Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 11 | Primary Pressure Sensor Temp Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 12 | Secondary Pressure Sensor Temp Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 13 | Primary Transducer Temp Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 14 | Secondary Transducer Temp Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 15 | Outside Air Temperature Alarm Status | Read | 1=Normal, 2=Alarm | ||
| MV | 16 | Temperature Units | Temperature units | Write | 1=Degree F, 2=Degree C |
No points match these filters.
Object ID lookup: Accutrol IAQ-TEK outdoor air volume measuring system point IDs by name
AI1Primary Intake Airflow VolumeAI2Secondary Intake Airflow VolumeAI3Outside Air TemperatureAI4Flash Writes RemainingAI5Primary Intake Mass Flow MeasurementAI6Secondary Intake Mass Flow MeasurementAI7Total Intake Airflow VolumeAI8Total Intake Mass Flow MeasurementAI9Outside Air Dew PointAI10Outside Air EnthalpyAI11Outside Air HumidityAI12Barometric PressureAV1Unsubscribed COV IntervalAV3Primary Flow Measurement AdjustAV4Secondary Flow Measurement AdjustAV5Primary High Flow Alarm LimitAV6Primary Low Flow Alarm LimitAV7Secondary High Flow Alarm LimitAV8Secondary Low Flow Alarm LimitAV9Primary Reverse Flow Alarm LimitAV10Secondary Reverse Flow Alarm LimitBI1Fan StatusBV1Commit to FlashMV1Airflow UnitsMV2Mass Flow UnitsMV3Primary Flow Alarm StatusMV4Secondary Flow Alarm StatusMV5Primary Heater Alarm StatusMV6Secondary Heater Alarm StatusMV7Primary Pressure Sensor Alarm StatusMV8Secondary Pressure Sensor Alarm StatusMV9Primary Reverse Flow Alarm StatusMV10Secondary Reverse Flow Alarm StatusMV11Primary Pressure Sensor Temp Alarm StatusMV12Secondary Pressure Sensor Temp Alarm StatusMV13Primary Transducer Temp Alarm StatusMV14Secondary Transducer Temp Alarm StatusMV15Outside Air Temperature Alarm StatusMV16Temperature Units
Integration notes
- The points list gives a description, not an object name; names here are the descriptions. Object_Name is writable on the device (up to 64 characters).
- AI/AV units change with MSV 1 (airflow), MSV 2 (mass flow) and MSV 16 (temperature); values are stored in US units internally.
- Secondary intake objects only carry data when a secondary transducer is installed.
- AV 2 is not listed.
- BACnet IP is listed as a future option in the specifications.
- Source: IAQ-TEK Installation and Operation Manual Rev B (11-13-2025), Appendix B.2.
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 IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) 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 Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)
How many BACnet points does the Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) have?
This list has 39 BACnet objects: 12 analog inputs, 9 analog values, 1 binary input, 1 binary value, 16 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) BACnet points are writable?
13 of the 39 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 Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP) BACnet documentation?
The source is IAQ-TEK Outdoor Air Volume Measuring System Installation & Operation Manual (Rev B, ECN 3154), revision 2025-11-13, published free by Accutrol at https://accutrolllc.com/wp-content/uploads/2025/12/IAQ-TEK-IOM-Manual_1125.pdf.
What are the minimum BACnet points to integrate the Accutrol IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)?
Start with AI 7 Total Intake Airflow Volume (Total outdoor air intake airflow); AI 1 Primary Intake Airflow Volume (Primary intake airflow); AI 2 Secondary Intake Airflow Volume (Secondary intake airflow (if fitted)); AI 3 Outside Air Temperature (Outside air temperature); AI 11 Outside Air Humidity (Outside air relative humidity, %); BI 1 Fan Status (Fan status input); MV 3 Primary Flow Alarm Status (1 normal, 2 high, 3 low flow alarm); MV 4 Secondary Flow Alarm Status (1 normal, 2 high, 3 low flow alarm).
How do I check these points on the real IAQ-TEK outdoor air volume measuring system (BACnet MS/TP)?
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.
Source: IAQ-TEK Outdoor Air Volume Measuring System Installation & Operation Manual · Rev B, ECN 3154 · rev. 2025-11-13. Object names, instances and units are reproduced as published; descriptions are our own.