{
 "manufacturer": "CoolAutomation",
 "manufacturer_slug": "coolautomation",
 "model": "CoolMasterNet LG WATER5 master outdoor unit (PRO) objects",
 "model_slug": "coolmasternet-lg-water5-master-outdoor",
 "aliases": [
  "LG Multi V Water 5 BACnet",
  "LG WATER5 BACnet",
  "CoolMasterNet LG",
  "WATER5 Master"
 ],
 "equipment_type": "VRF outdoor unit monitoring via BACnet gateway",
 "applies_to": "LG water-source VRF outdoor units of the WATER5 type (master unit) read through a CoolAutomation gateway with PRO functionality.",
 "summary": "With PRO functionality, CoolAutomation gateways publish service data from LG WATER5 master outdoor units over BACnet: type, operation mode, error code, target and current high and low pressure, compression ratio, superheat and subcooling, compressor speed, EEV positions, refrigerant and outdoor temperatures, inverter currents, voltages and IPM temperatures, and valve and compressor states, including heat source water in and out temperatures (41 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.",
  "The guide prints this table twice, under both the LG and the LGMV sections, with identical objects.",
  "A separate WATER5 Slave table (36 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 water temperatures, pressures and error code.",
  "minimum_points": [
   {
    "ref": "CSV 257",
    "name": "Mode",
    "why": "Operation mode text"
   },
   {
    "ref": "BI 291",
    "name": "CompOper",
    "why": "Compressor running"
   },
   {
    "ref": "PIV 266",
    "name": "Inv1TrcFrq",
    "why": "Inverter compressor frequency, Hz"
   },
   {
    "ref": "AI 278",
    "name": "HtSrcWtrInT",
    "why": "Heat source water inlet temp, °C"
   },
   {
    "ref": "AI 277",
    "name": "HtSrcWtrOuT",
    "why": "Heat source water outlet temp, °C"
   },
   {
    "ref": "PIV 262",
    "name": "HiPrsTrc",
    "why": "High pressure, kPa"
   },
   {
    "ref": "PIV 263",
    "name": "LoPrsTrc",
    "why": "Low pressure, kPa"
   },
   {
    "ref": "AI 273",
    "name": "Inv1DisT",
    "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": "PIV",
   "instance": 259,
   "name": "HiPrsTrg",
   "description": "Target high pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 260,
   "name": "LoPrsTrg",
   "description": "Target low pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 261,
   "name": "SCSHTrg",
   "description": "Target degree of subcooling and super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 262,
   "name": "HiPrsTrc",
   "description": "Current high pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 263,
   "name": "LoPrsTrc",
   "description": "Current low pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 264,
   "name": "ComprRatio",
   "description": "Compression ratio",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 265,
   "name": "Inv1TrgFrq",
   "description": "Inverter 1 target frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 266,
   "name": "Inv1TrcFrq",
   "description": "Inverter 1 current frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 267,
   "name": "MainEEV",
   "description": "Main EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 268,
   "name": "ScEEV",
   "description": "Subcooling EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 269,
   "name": "AirT",
   "description": "Outdoor air temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 270,
   "name": "SuctT",
   "description": "Compressor suction temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 271,
   "name": "BubT",
   "description": "Condenser temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 272,
   "name": "DewT",
   "description": "Evaporator temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 273,
   "name": "Inv1DisT",
   "description": "Inverter 1 discharge temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 274,
   "name": "HtCnclEEVT",
   "description": "Heat cancel EEV temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 275,
   "name": "ScOutT",
   "description": "Subcooling outlet temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 276,
   "name": "LiqT",
   "description": "Liquid pipe temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 277,
   "name": "HtSrcWtrOuT",
   "description": "Heat source water out",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 278,
   "name": "HtSrcWtrInT",
   "description": "Heat source water in",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 279,
   "name": "SHTrc",
   "description": "Current degree of super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 280,
   "name": "SCTrc",
   "description": "Current degree of subcooling",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 281,
   "name": "SCSCTrc",
   "description": "Current degree of subcooling and super heat",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 282,
   "name": "HtCnclEEV",
   "description": "Heat cancel EEV",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 283,
   "name": "Inv1InCT",
   "description": "Inverter 1 input current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 284,
   "name": "Inv1InVT",
   "description": "Inverter 1 input voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 285,
   "name": "Inv1PhsCT",
   "description": "Inverter 1 phase current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 286,
   "name": "Inv1DcLnk",
   "description": "Inverter 1 DC LINK voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 287,
   "name": "Inv1IpmT",
   "description": "Inverter 1 IPM temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 288,
   "name": "4way",
   "description": "4 WAY valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 289,
   "name": "Inv1HtVlv",
   "description": "Inverter1 heater",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 290,
   "name": "OilLvl1",
   "description": "Oil level 1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 291,
   "name": "CompOper",
   "description": "Compressor operation",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 292,
   "name": "HotGas",
   "description": "Hot gas",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 293,
   "name": "Inv1Bkp",
   "description": "Inverter1 backup",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 294,
   "name": "DDC",
   "description": "DDC",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 295,
   "name": "MICOM",
   "description": "MICOM version",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 296,
   "name": "CompQty",
   "description": "Compressor quantity",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/coolautomation/coolmasternet-lg-water5-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"
}