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Air handling unit controller · BACnet points list

Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) BACnet points list

Updated 7 November 2026

Short answer

The Modular T (ATB) air handler controller takes a POL908 module for BACnet IP or a POL904 module for BACnet MS/TP. The list covers outdoor, supply, return and exhaust temperatures, filter and fan pressures, humidity, CO2 and IEQ sensors, damper, fan, coil and humidifier signals, temperature, humidity, flow and pressure setpoints, defrost settings, switch and alarm inputs, outputs and a unit status BMS command. Object instances are fixed but non-sequential.

This page lists 69 BACnet objects for the Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) — 18 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Daikin Applied’s own free documentation, linked below.

Manufacturer
Daikin Applied
Model
Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)
Equipment
Air handling unit controller
Equipment type
Rooftop units, AHUs & DOAS
BACnet objects
69 (18 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Also known as
Modular T, ATB, MOD T, Daikin Modular T AHU, D-EIGOC0110-23-00EN
Source document
BAS Integration guide - Mapping BACnet (Modular T AHU) · D-EIGOC0110-23-00EN
Download CSV 69 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

Reference only, provided as-is: verify against Daikin Applied’s current documentation and the live device before use. Not official Daikin Applied information. Terms of use.

BMS integration notes: Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)

Integration in brief

Set Ctrl Source to Network at the unit, then use UnitStatusBMS to command the unit and write the main cool/heat, fan flow and humidity setpoints. Read unit status, the run output, supply and return temperatures and the global alarm output.

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.

ObjectNameWhyAccess
MV 16534UnitStatusBMSUnit status command from the BMSWrite
AV 30058MainCoolSetpMain cooling setpointWrite
AV 54879MainHeatSetpMain heating setpointWrite
AV 50820SplyFanFlowSetpSupply fan flow setpoint, m3/hWrite
AV 20464UnitStatusUnit statusRead
BO 5718UnitRunSwtcUnit run outputRead
AI 19757TempSplySupply air temperatureRead
AI 12945TempRtrnReturn air temperatureRead
BO 48570GlblAlrmSwtcGlobal alarm outputRead

Enable & remote start

Control over the network needs the unit control source set to Network at the keypad (Main Menu > Ctrl Source = Network; default Local). UnitStatusBMS (MV 16534) is the writable unit status object; the guide does not print its states.

Network setup

Watch out for

Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) 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.

69 of 69 shown
Type
Multi-state
Access
Show
Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) BACnet Points List
DescriptionStates
AI10863TempOutdOutdoor temperature°CRead
AImin19757TempSplySupply temperature°CRead
AImin12945TempRtrnReturn temperature°CRead
AI17444TempExhtExhaust temperature°CRead
AI15651PresOutdFltrOutdoor filter pressurePaRead
AI62083PresRecvRecovery pressurePaRead
AI21736PresSplyFanSupply fan pressurePaRead
AI23316PresRtrnFltrReturn filter pressurePaRead
AI64433PresRtrnFanReturn fan pressurePaRead
AI16754TempSplyOptSupply temperature optional°CRead
AI8734PresOutdPrFlOptOutdoor pre-filter optional pressurePaRead
AI29985PresSplyFanOptSupply fan pressure optionalPaRead
AI61819PresSplyFltrOptSupply filter pressure optionalPaRead
AI37231HumdOutdOutdoor humidity%rHRead
AI63021HumdSplySupply humidity%rHRead
AI35217HumdRtrnReturn humidity%rHRead
AI63516CO2RtrnReturn CO2ppmRead
AI21570IEQTempRtrnIEQ return temperature°CRead
AI61250IEQHumdRtrnIEQ return humidity%rHRead
AI59257IEQCO2IEQ CO2ppmRead
AI54715IEQPM25IEQ PM25µg/m3Read
AI14348IEQPM10IEQ PM10µg/m3Read
AI7794IEQVOCIEQ VOCppbRead
AO3813BypaDmprSgnlBypass damper signal%Read
AO23925MixgDmprSgnlMixing damper signal%Read
AO60281SplyFan1SgnlSupply fan 1 signal%Read
AO5975PostCoilSgnlPost coil signal%Read
AO8872RtrnFan1SgnlReturn fan 1 signal%Read
AO51554PrehCoilSgnlOptPre heating coil signal optional%Read
AO3600OuExDmprSgnlOutdoor/Exhaust damper signal%Read
AO25396CombCoilSgnlCombined coil signal%Read
AO1140PostCoilSgnlOptPost coil signal optional%Read
AO5070HumdSgnlHumidification signal%Read
AV2656RecvTempDfrsEvalRecovery defrost temperature°CWrite
AV7056SplyNtrlZoneSupply neutral zone°CWrite
AV8180RecvTimeDfrsRecovery time defrostminWrite
AV14403RtrnFanFlowSetpReturn fan flow setpointm3/hWrite
AV19322FanDfrsFactFan defrost factor%Write
AV25173RecvDlayDfrsEvalRecovery delay defrostsWrite
AV30549RecvMulDfrsEvalsWrite
AV39517RecvDfrsSplyThrsRecovery defrost supply threshold°CWrite
AVmin50820SplyFanFlowSetpSupply fan flow setpointm3/hWrite
AV28857SplyTSetpMaxSupply temperature setpoint MAX°CWrite
AVmin30058MainCoolSetpMain cool setpoint°CWrite
AV35815SplyTSetpMinSupply temperature setpoint MIN°CWrite
AV40417MainDhumSetpMain dehumidification setpoint%rHWrite
AVmin54879MainHeatSetpMain heat setpoint°CWrite
AV61085MainHumdSetpMain humidification setpoint%rHWrite
AVmin20464UnitStatusUnit statusRead
AV28940SplyFanPresSetpSupply fan Pressure setpointPaWrite
AV36811RtrnFanPresSetpReturn fan Pressure setpoinPaWrite
BI18594FrstSwtcFrost switchRead0=Passive, 1=Active
BI40060FireAlrmFire alarmRead0=Passive, 1=Active
BI56526UnitSwtcUnit switchRead0=Off, 1=On
BI42108CmEcSwtcComfort/Economy switchRead0=Comfort, 1=Economy
BI54908CoHeSwtcCool/heat switchRead0=Cool, 1=Heat
BI62777CombPumpAlrmCombined pump alarmRead0=Passive, 1=Active
BI794HumdAlrmHumidifier alarmRead0=Passive, 1=Active
BI33114PostPumpAlrmPost pump alarmRead0=Passive, 1=Active
BI12874PostElctAlrmPost electric alarmRead0=Passive, 1=Active
BI15735RecvFrstRecovery frostRead0=OK, 1=Fault
BOmin5718UnitRunSwtcUnit run switchRead0=Passive, 1=Active
BO6135CombPumpCmndCombined pump commandRead0=Passive, 1=Active
BO25492PostPumpCmndPost pump commandRead0=Passive, 1=Active
BO54908CoHeSwtcCool/Heat switchRead0=Passive, 1=Active
BOmin48570GlblAlrmSwtcGlobal alarm switchRead0=Passive, 1=Active
BO59991HumdCmndHumidifier commandRead0=Passive, 1=Active
BO61396ShutDmprCmndShutoff damper commandRead0=Passive, 1=Active
MVmin16534UnitStatusBMSUnit status BMSWrite
Object ID lookup: Daikin Applied Modular T air handler, MODULAR T software point IDs by name

Integration notes

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 Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) 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 Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)

How many BACnet points does the Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) have?

This list has 69 BACnet objects: 23 analog inputs, 10 analog outputs, 18 analog values, 10 binary inputs, 7 binary outputs, 1 multi-state value. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) BACnet points are writable?

18 of the 69 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 Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe) BACnet documentation?

The source is BAS Integration guide - Mapping BACnet (Modular T AHU) (D-EIGOC0110-23-00EN), published free by Daikin Applied at https://easyspec.daikin.fr/Easyspec/2-BASE_WEB/4-CTA/Documentations/A2_COMP_T/Manuel%20Adressage%20Com/COM_A2_COMP_T.zip.

What are the minimum BACnet points to integrate the Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)?

Start with MV 16534 UnitStatusBMS (Unit status command from the BMS); AV 30058 MainCoolSetp (Main cooling setpoint); AV 54879 MainHeatSetp (Main heating setpoint); AV 50820 SplyFanFlowSetp (Supply fan flow setpoint, m3/h); AV 20464 UnitStatus (Unit status); BO 5718 UnitRunSwtc (Unit run output); AI 19757 TempSply (Supply air temperature); AI 12945 TempRtrn (Return air temperature); BO 48570 GlblAlrmSwtc (Global alarm output).

How do I enable BMS control of the Daikin Applied Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)?

Control over the network needs the unit control source set to Network at the keypad (Main Menu > Ctrl Source = Network; default Local). UnitStatusBMS (MV 16534) is the writable unit status object; the guide does not print its states.

How do I check these points on the real Modular T (ATB) air handler, MODULAR T software (Daikin Applied Europe)?

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.

More Daikin Applied BACnet points lists

Source: BAS Integration guide - Mapping BACnet (Modular T AHU) · D-EIGOC0110-23-00EN. Object names, instances and units are reproduced as published; descriptions are our own.