{
 "manufacturer": "CoolAutomation",
 "manufacturer_slug": "coolautomation",
 "model": "CoolMasterNet Daikin VRV outdoor unit (PRO) objects - VRV-3W-WATER, VRV3C2-WATER, VRV-3Wx-WATER, VRV-4W-WATER",
 "model_slug": "coolmasternet-daikin-vrv-outdoor-vrv-3w-water",
 "aliases": [
  "Daikin VRV W BACnet",
  "CoolMasterNet Daikin",
  "Daikin water cooled VRV BACnet",
  "VRV-3W-WATER",
  "RWEYQ8-30P",
  "VRV3C2-WATER",
  "VRV-3Wx-WATER",
  "VRV-4W-WATER",
  "RWEYQ8-10T7Y1B"
 ],
 "equipment_type": "VRF water-cooled outdoor unit monitoring via BACnet gateway",
 "applies_to": "Daikin water-cooled VRV units VRV-3W-WATER (RWEYQ8-30P), VRV3C2-WATER (RWEYP***PCTJ), VRV-3Wx-WATER (RWEYQ8-30P) and VRV-4W-WATER (RWEYQ8-10T7Y1B) read through a CoolAutomation gateway with PRO functionality.",
 "summary": "With PRO functionality, CoolAutomation gateways publish service data from each Daikin VRV-3W/4W water-cooled outdoor unit over BACnet: AirNet address, HP, suction, discharge, coil, subcooling, EV liquid pipe, evaporating and condensing temperatures, EV openings, inverter speed, fin temperature and current, compressor, heater, valve, pump and cooling-fan states, retry and stepping-down flags and fan step (40 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.",
  "Table printed on page 45 of the guide (section 3.2.1.3).",
  "For the outdoor system objects the guide groups these series with VRV-M (REYQ8-48M), VRV-3R and VRV3C; that table matches site lists coolmasternet-daikin-vrv-system-vrvm-reyq8-48m and coolmasternet-daikin-vrv-system-vrv3r-vrv3c."
 ],
 "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 Daikin outdoor equipment only; control stays on the CoolMasterNet indoor-unit objects. Map the block's VA and trend operating states, temperatures, compressor data and the error state.",
  "minimum_points": [
   {
    "ref": "BI 264",
    "name": "Comp1Inv",
    "why": "Inverter compressor running"
   },
   {
    "ref": "BI 286",
    "name": "Pump",
    "why": "Pump output (Y2M)"
   },
   {
    "ref": "PIV 294",
    "name": "InvRS",
    "why": "Inverter speed, rps"
   },
   {
    "ref": "IV 291",
    "name": "EvT",
    "why": "Evaporating temperature, °C"
   },
   {
    "ref": "IV 292",
    "name": "CndT",
    "why": "Condensing temperature, °C"
   },
   {
    "ref": "PIV 261",
    "name": "DschTInv",
    "why": "Inverter discharge temperature, °C"
   },
   {
    "ref": "PIV 263",
    "name": "InvCur",
    "why": "Inverter current, A"
   },
   {
    "ref": "BI 270",
    "name": "ErrState",
    "why": "Unit error state"
   }
  ],
  "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": [
  "Daikin"
 ],
 "points": [
  {
   "type": "PIV",
   "instance": 256,
   "name": "AirNet",
   "description": "AirNet Addr.",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 257,
   "name": "HP",
   "description": "HP",
   "units": "hp",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 258,
   "name": "SuctT",
   "description": "Suction Temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 259,
   "name": "EVOp1",
   "description": "EV opening 1",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 260,
   "name": "EVOp3",
   "description": "EV opening 3",
   "units": "pls",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 261,
   "name": "DschTInv",
   "description": "Disch. temp.(INV)",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 262,
   "name": "InvFinT",
   "description": "Inverter fin temp.",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 263,
   "name": "InvCur",
   "description": "Inverter current",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 264,
   "name": "Comp1Inv",
   "description": "Compressor1(INV)",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 265,
   "name": "OiRtrn",
   "description": "Oil return",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 266,
   "name": "HotGas",
   "description": "Hot Gas",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 267,
   "name": "CcH1",
   "description": "CH1:Crankcase Heater",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 268,
   "name": "SoftStrt",
   "description": "Soft start",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 269,
   "name": "ResrtStby",
   "description": "Restart stand-by",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 270,
   "name": "ErrState",
   "description": "Unit Error stat",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 271,
   "name": "HiPRtry",
   "description": "High pressure retry",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 272,
   "name": "LoPRtry",
   "description": "Low pressure retry",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 273,
   "name": "DschPipRtry",
   "description": "Disch. pipe retry",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 274,
   "name": "4WayVlv",
   "description": "4-way valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 275,
   "name": "4WayVlv2",
   "description": "4-way valve 2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 276,
   "name": "HiPStpDnCtl",
   "description": "H.P. stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 277,
   "name": "LoPStpDnCtl",
   "description": "L.P. stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 278,
   "name": "DmndStpDnCtl",
   "description": "Demand stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 279,
   "name": "InvRtry",
   "description": "INV retry",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 280,
   "name": "InvDschStpDnCtl",
   "description": "INV Disch. stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 281,
   "name": "InvOCStpDnCtl",
   "description": "INV OC stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 282,
   "name": "InvFinStpDnCtl",
   "description": "INV Fin stepping down cntl",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 283,
   "name": "RcvrGasIn",
   "description": "SVL:Receiver gas in",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 284,
   "name": "RcvrGasOut",
   "description": "SVG:Receiver gas out",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 285,
   "name": "StpUnLiqPipCls",
   "description": "SVSL:StopUnit Liquid pipe close",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 286,
   "name": "Pump",
   "description": "Y2M:Pump",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 287,
   "name": "OilRecover",
   "description": "Y2S:Oil_recovery",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 288,
   "name": "InvCoolFan",
   "description": "M1F:INV_cool_fan",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 289,
   "name": "CoilT",
   "description": "R4T :Coil temp.",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 290,
   "name": "ScCilExtT",
   "description": "Subcooling Coil exit Temp.",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 291,
   "name": "EvT",
   "description": "Evaporating Temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 292,
   "name": "CndT",
   "description": "Condensing Temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 293,
   "name": "EVLiqT",
   "description": "EV liquid pipe temp.",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 294,
   "name": "InvRS",
   "description": "Inverter Revolution Speed",
   "units": "rps",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 295,
   "name": "FanStp",
   "description": "Fan step",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/coolautomation/coolmasternet-daikin-vrv-outdoor-vrv-3w-water",
 "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"
}