{
 "manufacturer": "CoolAutomation",
 "manufacturer_slug": "coolautomation",
 "model": "CoolMasterNet LG Multi V III master outdoor unit (PRO) objects",
 "model_slug": "coolmasternet-lg-multiv-iii-master-outdoor",
 "aliases": [
  "LG Multi V III BACnet",
  "CoolMasterNet LG",
  "MultiV III Master",
  "LGMV"
 ],
 "equipment_type": "VRF outdoor unit monitoring via BACnet gateway",
 "applies_to": "LG Multi V III VRF outdoor units (master unit) read through a CoolAutomation gateway with PRO functionality (LGMV section of the guide).",
 "summary": "With PRO functionality, CoolAutomation gateways publish service data from LG Multi V III master outdoor units over BACnet: type, operation mode, error code, target and current high and low pressure, compression ratio, superheat and subcooling, compressor and fan speeds, EEV positions, refrigerant and outdoor temperatures, inverter currents, voltages and IPM temperatures, and valve and compressor states, plus constant-speed compressor and oil supply temperatures (68 objects). Monitoring only.",
 "bacnet_transport": [
  "BACnet IP",
  "BACnet MS/TP"
 ],
 "firmware": null,
 "default_device_instance": 64,
 "access_inferred": true,
 "notes": [
  "Instance = VA x 256 + index (object identifier bits 21-8 = VA, 7-0 = index). Points shown for VA 1; the guide does not explain how outdoor units receive their VA.",
  "Access set to read-only: these are measured service values, although the guide's type table lists PIV as read/write.",
  "Object names are the guide's short names; descriptions are the guide's object descriptions with the bracketed unit moved to units.",
  "Listed in the guide's LGMV section.",
  "A separate MultiV III Slave table (62 objects) covers slave outdoor units.",
  "State meanings for coded values (mode, status and similar) are in the guide's PRO Enumerated Parameters tables for this brand and are not repeated here."
 ],
 "source": {
  "title": "BACnet Integration Guidelines - CoolMaster Product Line, CooLinkNet, CooLinkHub, CooLinkBridge",
  "doc_number": null,
  "revision_date": "Rev 1.0.4, 2026-07-06",
  "url": "https://support.coolautomation.com/hc/en-us/article_attachments/38262832368157"
 },
 "integration": {
  "summary": "Use these objects to monitor LG outdoor equipment only; control stays on the CoolMasterNet indoor-unit objects. Map the master outdoor unit's VA and trend pressures, compressor speed and error code.",
  "minimum_points": [
   {
    "ref": "CSV 257",
    "name": "Mode",
    "why": "Operation mode text"
   },
   {
    "ref": "PIV 271",
    "name": "InvTrcFrq",
    "why": "Inverter compressor frequency, Hz"
   },
   {
    "ref": "AI 280",
    "name": "AirT",
    "why": "Outdoor air temperature, °C"
   },
   {
    "ref": "PIV 263",
    "name": "HiPrsTrc",
    "why": "High pressure, kPa"
   },
   {
    "ref": "PIV 264",
    "name": "LoPrsTrc",
    "why": "Low pressure, kPa"
   },
   {
    "ref": "AI 284",
    "name": "InvDisT",
    "why": "Inverter compressor discharge temp, °C"
   },
   {
    "ref": "PIV 258",
    "name": "Err",
    "why": "Error code"
   }
  ],
  "enable": "BACnet must be enabled on the gateway; these objects belong to its PRO (service data) functionality.",
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "BACnet MS/TP: activate on line L3 with 'line type L3 BAC' (L4-L7 also possible on the CoolMaster product line); default frame 9600 8N1, change with 'line baud L3 <rate>_8N1'; MAC (TS) default 0x40 = 64, change with 'line myid L3 <hex>'. Reboot after each change.",
   "BACnet IP: enable with 'bacnet IP enable'; UDP port 47808 by default ('bacnet port <n>'). The server starts only once Ethernet is up with an IP address.",
   "Default device instance 64 (0x40); change with 'bacnet instance <n>'."
  ],
  "gotchas": [
   "The guide does not document how VAs are assigned to outdoor units; confirm instances with a BACnet discovery."
  ]
 },
 "covers_brands": [
  "LG"
 ],
 "points": [
  {
   "type": "CSV",
   "instance": 256,
   "name": "Type",
   "description": "Outdoor Unit Type Name",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "CSV",
   "instance": 257,
   "name": "Mode",
   "description": "Operation Mode",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 258,
   "name": "Err",
   "description": "Error Code",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 259,
   "name": "AvgT",
   "description": "Average indoor temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 260,
   "name": "HiPrsTrg",
   "description": "Target high pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 261,
   "name": "LoPrsTrg",
   "description": "Target low pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 262,
   "name": "SCSHTrg",
   "description": "Target degree of subcooling and super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 263,
   "name": "HiPrsTrc",
   "description": "Current high pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 264,
   "name": "LoPrsTrc",
   "description": "Current low pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 265,
   "name": "ComprRatio",
   "description": "Compression ratio",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 266,
   "name": "SHTrg",
   "description": "Target degree of super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 267,
   "name": "SHTrc",
   "description": "Current degree of super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 268,
   "name": "SCTrc",
   "description": "Current degree of subcooling",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 269,
   "name": "SCSCTrc",
   "description": "Current degree of subcooling and super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 270,
   "name": "InvTrgFrq",
   "description": "Inverter target frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 271,
   "name": "InvTrcFrq",
   "description": "Inverter current frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 272,
   "name": "Fan1Trg",
   "description": "FAN1 target RPM",
   "units": "rpm",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 273,
   "name": "Fan1Trc",
   "description": "FAN1 current RPM",
   "units": "rpm",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 274,
   "name": "Fan2Trg",
   "description": "FAN2 target RPM",
   "units": "rpm",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 275,
   "name": "Fan2Trc",
   "description": "FAN2 current RPM",
   "units": "rpm",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 276,
   "name": "MainEEV",
   "description": "Main EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 277,
   "name": "SubEEV",
   "description": "Sub EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 278,
   "name": "ScEEV",
   "description": "Subcooling EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 279,
   "name": "EqEEV",
   "description": "Oil supply EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 280,
   "name": "AirT",
   "description": "Outdoor air temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 281,
   "name": "SuctT",
   "description": "Compressor suction temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 282,
   "name": "BubT",
   "description": "Condenser temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 283,
   "name": "DewT",
   "description": "Evaporator temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 284,
   "name": "InvDisT",
   "description": "Inverter discharge temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 285,
   "name": "Comp1DisT",
   "description": "Constant compressor1 discharge temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 286,
   "name": "Comp2DisT",
   "description": "Constant compressor2 discharge temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 287,
   "name": "HexT",
   "description": "Heat exchanger pipe temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 288,
   "name": "UpHexT",
   "description": "Top/Upper heat exchanger pipe temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 289,
   "name": "LoHexT",
   "description": "Bottom/Down/Lower heat exchanger pipe temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 290,
   "name": "ScInT",
   "description": "Subcooling inlet temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 291,
   "name": "ScOutT",
   "description": "Subcooling outlet temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 292,
   "name": "LiqT",
   "description": "Liquid pipe temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 293,
   "name": "InvOilT",
   "description": "Inverter oil supply temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 294,
   "name": "Comp1OilT",
   "description": "Compressor1 oil supply temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 295,
   "name": "Comp2OilT",
   "description": "Compressor2 oil supply temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 296,
   "name": "InvCT",
   "description": "Inverter current value",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 297,
   "name": "Comp1CT",
   "description": "Compressor1 current value",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 298,
   "name": "Comp2CT",
   "description": "Compressor2 current value",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 299,
   "name": "InvV",
   "description": "Inverter voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 300,
   "name": "InvPwrFrq",
   "description": "Inverter power frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 301,
   "name": "InvPhsCT",
   "description": "Inverter phase current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 302,
   "name": "Fan1PhsCT",
   "description": "Fan1 phase current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 303,
   "name": "Fan2PhsCT",
   "description": "Fan2 phase current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 304,
   "name": "InvDcLnk",
   "description": "Inverter DC LINK voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 305,
   "name": "InvIpmT",
   "description": "Inverter IPM temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 306,
   "name": "FanHtSnkT",
   "description": "Outdoor fan heat sink temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 307,
   "name": "Fan1V",
   "description": "Fan1 voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 308,
   "name": "Fan2V",
   "description": "Fan2 voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 309,
   "name": "Accum",
   "description": "Oil return valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 310,
   "name": "4way",
   "description": "4 WAY valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 311,
   "name": "Comp1",
   "description": "Compressor1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 312,
   "name": "Comp2",
   "description": "Compressor2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 313,
   "name": "HotGas",
   "description": "Hot gas",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 314,
   "name": "InvHtVlv",
   "description": "Inverter heater valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 315,
   "name": "Comp1HtVlv",
   "description": "Compressor1 heater valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 316,
   "name": "Comp2HtVlv",
   "description": "Compressor2 heater valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 317,
   "name": "HexUpVlv",
   "description": "Heat exchanger top valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 318,
   "name": "HexDnVlv",
   "description": "Heat exchanger bottom valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 319,
   "name": "InvIjt",
   "description": "Inverter injection valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 320,
   "name": "Comp1Ijt",
   "description": "Compressor1 injection valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 321,
   "name": "Comp2Ijt",
   "description": "Compressor2 injection valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 322,
   "name": "ScIjt",
   "description": "SC injection valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 323,
   "name": "EEPVer",
   "description": "EEP version",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/coolautomation/coolmasternet-lg-multiv-iii-master-outdoor",
 "note": "Provided as-is. Point availability varies by firmware and options; verify against the live device.",
 "disclaimer": "DISCLAIMER: reference only, provided AS IS with no warranty. May contain errors or be out of date. You must verify every point against the manufacturer's current documentation and the live device before use. easybacnet.com accepts no liability for its use and is not affiliated with the manufacturer. Terms: https://easybacnet.com/terms#content"
}