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VRF outdoor system monitoring via BACnet gateway · BACnet points list

CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R BACnet points list

Updated 11 November 2026

Short answer

With PRO functionality, CoolAutomation gateways publish system-level service data for Daikin VRV outdoor systems over BACnet: system type, AirNet address, capacity, system current, target evaporating and condensing temperatures, error code, cooling/heating/ventilation and thermostat states and demand state (20 objects for this series group). Monitoring only.

This page lists 20 BACnet objects for the CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R — 0 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from CoolAutomation’s own free documentation, linked below.

Manufacturer
CoolAutomation
Model
CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R
Equipment
VRF outdoor system monitoring via BACnet gateway
Equipment type
VRF & split air conditioners
BACnet objects
20 (0 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Default device instance
64
Also known as
Daikin VRV BACnet, CoolMasterNet Daikin, Daikin outdoor system BACnet, VRV-4R
Brands covered
Daikin
Source document
BACnet Integration Guidelines - CoolMasterNet, CooLinkNet, CooLinkHub, CooLinkBridge · rev. Rev 0.5, 2019-04-29
Download CSV 20 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 CoolAutomation’s current documentation and the live device before use. Not official CoolAutomation information. Terms of use.

BMS integration notes: CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R

Integration in brief

Use these objects to monitor Daikin outdoor equipment only; control stays on the CoolMasterNet indoor-unit objects. Map the outdoor block's VA and trend the key temperatures, compressor data and error state.

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
BI 263CoolCoolingRead
BI 264HeatHeatingRead
BI 266TstatOnThermostat ONRead
PIV 273DmndStateDemand stateRead
AI 259SysCurSystem current (value x 0.1 A)Read
CSV 262ErrCodeSystem error codeRead

Enable & remote start

BACnet must be enabled on the gateway; these objects belong to its PRO (service data) functionality.

Network setup

Watch out for

CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R 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.

Note: the source document has no read/write column, so access here is inferred from the object type (inputs read-only, values writable). Confirm on the live controller before writing.

20 of 20 shown
Type
AnalogBinary
Show
CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R BACnet Points List
DescriptionStates
CSV256TypeOutdoor System Type NameRead
PIV257AirNetAirNet Addr.Read
PIV258SysHPSystem HPhpRead
AImin259SysCurSystem Current (value x 0.1)ARead
AI260TrgtEvTTarget Evaporation T (value x 0.1)°CRead
PIV261TrgtCndTTarget Condensing T°CRead
CSVmin262ErrCodeError codeRead
BImin263CoolCoolingRead
BImin264HeatHeatingRead
BI265VentVentilationRead
BImin266TstatOnThermostat ONRead
BI267ResrtStbyRestart stand-byRead
BI268DfrstDefrostRead
BI269StrtupCtlStartup controlRead
BI270BkpOpBackup ope.Read
BI271CoolHeatPrllCool/Heat parallel ope.Read
BI272OiRtrnOil returnRead
PIVmin273DmndStateDemand stateRead
PIV274OpCtlModOperation control modeRead
AI275TstatOnCapI/U thermostat ON capacityRead
Object ID lookup: CoolAutomation Daikin System VRV-4R 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 CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R 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 CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R

How many BACnet points does the CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R have?

This list has 20 BACnet objects: 3 analog inputs, 10 binary inputs, 2 characterstring values, 5 positive integer values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R BACnet points are writable?

None of the listed objects are marked writable in the source documentation. The source has no read/write column, so this is inferred from object type.

Where is the official CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R BACnet documentation?

The source is BACnet Integration Guidelines - CoolMasterNet, CooLinkNet, CooLinkHub, CooLinkBridge, revision Rev 0.5, 2019-04-29, published free by CoolAutomation at https://coolautomation.com/Lib/doc/CoolMasterNet/manual/CoolMasterNet-BACnet-guidelines.pdf.

What are the minimum BACnet points to integrate the CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R?

Start with BI 263 Cool (Cooling); BI 264 Heat (Heating); BI 266 TstatOn (Thermostat ON); PIV 273 DmndState (Demand state); AI 259 SysCur (System current (value x 0.1 A)); CSV 262 ErrCode (System error code).

How do I enable BMS control of the CoolAutomation CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R?

BACnet must be enabled on the gateway; these objects belong to its PRO (service data) functionality.

How do I check these points on the real CoolMasterNet Daikin VRV outdoor system (PRO) objects - VRV-4R?

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 CoolAutomation BACnet points lists

Source: BACnet Integration Guidelines - CoolMasterNet, CooLinkNet, CooLinkHub, CooLinkBridge · rev. Rev 0.5, 2019-04-29. Object names, instances and units are reproduced as published; descriptions are our own.