{
 "manufacturer": "Daikin Applied",
 "manufacturer_slug": "daikin-applied",
 "model": "EWWQ-KC water-cooled chiller, Nayda software (Daikin Applied Europe)",
 "model_slug": "ewwq-kc-bacnet",
 "aliases": [
  "EWWQ-KC",
  "EWWQ-KCW",
  "Nayda",
  "D-EIGOC00101-22_01EN_EWWQ-KC"
 ],
 "equipment_type": "Water-cooled chiller controller",
 "applies_to": "Daikin Applied Europe EWWQ-KC units with the POL486.65 controller running the Nayda software, including master/slave groups of up to four units.",
 "summary": "The EWWQ-KC units run the Nayda software on a POL486.65 controller. BACnet IP is a software option on the Ethernet port, enabled with connectivity kit EKRSCBMS. The list covers unit enable, mode and cool/heat setpoints, water temperatures, two circuits with one compressor each, evaporator and condenser pump data including variable-speed pump settings, and master/slave load and state objects.",
 "bacnet_transport": [
  "BACnet IP"
 ],
 "firmware": "Nayda 1.00.A",
 "default_device_instance": null,
 "access_inferred": false,
 "notes": [
  "AV 151 is printed for both MSCtrlTmp and EvapVPF'FixSpeedSetpt2; the object without a confirmed instance is listed without one.",
  "Slave load/state and comm-error objects only apply to master/slave (multi-unit) installations.",
  "Slave State #1 (MV 1154) lists 3 for both Alarm and ComErr in the guide; it is kept as printed.",
  "Daikin France (Easyspec) publishes this guide as a PDF inside a zip together with the Modbus guide."
 ],
 "source": {
  "title": "BAS Integration guide - BACnet protocol (EWWQ-KC)",
  "doc_number": "D-EIGOC00101-22_01EN_EWWQ-KC",
  "revision_date": "2022-01",
  "url": "https://easyspec.daikin.fr/Easyspec/2-BASE_WEB/3-Eau%20Glacee%20%26%20VC/Documentations/K_EWWQ-KCW/Manuel%20adressage%20com/COM_K_EWWQ-KCW.zip"
 },
 "points": [
  {
   "type": "BI",
   "instance": 3,
   "name": "ChillerLocalRemote",
   "description": "Unit Local/Remote",
   "units": "",
   "access": "R",
   "states": "0=Network, 1=Local"
  },
  {
   "type": "BI",
   "instance": 7,
   "name": "ChillerEnableOutput",
   "description": "Unit Enable Output",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 5,
   "name": "RunEnabled",
   "description": "Unit Run Allowed",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=RunAllowed"
  },
  {
   "type": "BI",
   "instance": 6,
   "name": "ChillerLimited",
   "description": "Unit Capacity Limited",
   "units": "",
   "access": "R",
   "states": "0=NotLimited, 1=Limited"
  },
  {
   "type": "BI",
   "instance": 10,
   "name": "AlarmDigitalOutput",
   "description": "Unit general alarm",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BI",
   "instance": 4,
   "name": "ThermostatStatus",
   "description": "Unit On/Off",
   "units": "",
   "access": "R",
   "states": "0=Thermo Off, 1=Thermo On"
  },
  {
   "type": "BV",
   "instance": 2,
   "name": "ChillerEnableStp",
   "description": "Unit Enable Setpoint",
   "units": "",
   "access": "W",
   "states": "0=Disable, 1=Enable"
  },
  {
   "type": "BV",
   "instance": 8,
   "name": "ClearAlarm",
   "description": "Clear Alarms - Network",
   "units": "",
   "access": "W",
   "states": "0=None, 1=ClearAlarm"
  },
  {
   "type": "MV",
   "instance": 2,
   "name": "ActiveMode",
   "description": "Unit Mode Output",
   "units": "",
   "access": "R",
   "states": "1=Ice, 2=Cool, 3=Heat"
  },
  {
   "type": "AV",
   "instance": 5,
   "name": "ActiveLvgWaterTarget",
   "description": "Active Setpoint",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "ChillerCapacity",
   "description": "Actual Capacity",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1,
   "name": "ActiveCapacityLimit",
   "description": "Active Capacity Limit Output",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 1,
   "name": "UnitStatus",
   "description": "Unit run mode",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Start, 3=Run, 4=PreShutdown, 5=Service"
  },
  {
   "type": "AI",
   "instance": 1,
   "name": "EntEvapWaterTemp",
   "description": "Evaporator Entering Water Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 2,
   "name": "LvgEvapWaterTempUnit",
   "description": "Evaporator Leaving Water Temp Unit",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 3,
   "name": "EntCondWaterTemp",
   "description": "Condenser Entering Water Temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 4,
   "name": "LvgCondWaterTemp",
   "description": "Condenser Leaving Water Temperature",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 2,
   "name": "EvapFlowStatus",
   "description": "Evap Flow Switch Status",
   "units": "",
   "access": "R",
   "states": "0=No Flow, 1=Flow"
  },
  {
   "type": "AV",
   "instance": 151,
   "name": "MSCtrlTmp",
   "description": "MS Ctrl Tmp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 903,
   "name": "AVWarningAlarmCode",
   "description": "Warning CODE",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 904,
   "name": "AVProblemAlarmCode",
   "description": "Problem CODE",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 905,
   "name": "AVFaultAlarmCode",
   "description": "Fault CODE",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 3,
   "name": "ChillerOperationMode",
   "description": "Unit Mode Setpoint - Network",
   "units": "",
   "access": "W",
   "states": "1=Ice, 2=Cool, 3=Heat, 4=Pursuit"
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "NetworkCoolTempSetpoint",
   "description": "Cool Setpoint - Network",
   "units": "°C",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 6,
   "name": "NetworkHeatTempSetpoint",
   "description": "Heat Setpoint - Network",
   "units": "°C",
   "access": "W",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 47,
   "name": "Units",
   "description": "Measure Units",
   "units": "",
   "access": "W",
   "states": "1=Imperial, 2=Metric"
  },
  {
   "type": "BV",
   "instance": 100,
   "name": "EvapPump1Fault",
   "description": "Evaporator Pump #1 Fault",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BI",
   "instance": 101,
   "name": "EvapPump1State",
   "description": "Evaporator Pump #1 Status",
   "units": "",
   "access": "R",
   "states": "0=OffRequest, 1=OnRequest"
  },
  {
   "type": "AV",
   "instance": 102,
   "name": "EvapPump1OperHours",
   "description": "Evaporator Pump #1 Run Hours",
   "units": "h",
   "access": "W",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 120,
   "name": "CondPump1Fault",
   "description": "Condenser Pump #1 Fault",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BI",
   "instance": 121,
   "name": "CondPump1State",
   "description": "Condenser Pump #1 Status",
   "units": "",
   "access": "R",
   "states": "0=OffRequest, 1=OnRequest"
  },
  {
   "type": "AV",
   "instance": 122,
   "name": "CondPump1OperHours",
   "description": "Condenser Pump #1 Run Hours",
   "units": "h",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 150,
   "name": "EvapVPF'FixSpeedSetpt1",
   "description": "Evaporator VFD Pump - Fixed Speed 1",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": null,
   "name": "EvapVPF'FixSpeedSetpt2",
   "description": "Evaporator VFD Pump - Fixed Speed 2",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 152,
   "name": "EvapVPF'StbySpeedSetpt",
   "description": "Evaporator VFD Pump - Standby Speed",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 153,
   "name": "EvapVPF'ActSpeed",
   "description": "Evaporator VFD Pump - Actual Speed",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 154,
   "name": "EvapVPF'LoadDifPresSetpt",
   "description": "Evaporator VFD Pump - Building Differential Pressure Setpoint",
   "units": "kPa",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 155,
   "name": "EvapVPF'EvapDifPresSetpt",
   "description": "Evaporator VFD Pump - Unit Differential Pressure Setpoint",
   "units": "kPa",
   "access": "W",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 156,
   "name": "EvapVPF'LoadDifPres",
   "description": "Evaporator VFD Pump - Building Differential Pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 157,
   "name": "EvapVPF'EvapDifPress",
   "description": "Evaporator VFD Pump - Unit Differential Pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 158,
   "name": "EvapVPF'BypVlvSta",
   "description": "Evaporator VFD Pump - Bypass Valve State",
   "units": "",
   "access": "R",
   "states": "1=Closed, 2=Opened"
  },
  {
   "type": "AV",
   "instance": 159,
   "name": "EvapVPF'DeltaTempSp",
   "description": "Evaporator VFD Pump - DeltaTemperature Setpoint",
   "units": "dK",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 160,
   "name": "EvapVPF'DeltaTemp",
   "description": "Evaporator VFD Pump - DeltaTemperature",
   "units": "dK",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 170,
   "name": "CondVPF'FixSpeedSetpt1",
   "description": "Condenser VFD Pump - Fixed Speed 1",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 171,
   "name": "CondVPF'FixSpeedSetpt2",
   "description": "Condenser VFD Pump - Fixed Speed 2",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 172,
   "name": "CondVPF'StbySpeedSetpt",
   "description": "Condenser VFD Pump - Standby Speed",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 173,
   "name": "CondVPF'ActSpeed",
   "description": "Condenser VFD Pump - Actual Speed",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 174,
   "name": "CondVPF'LoadDifPresSetpt",
   "description": "Condenser VFD Pump - Building Differential Pressure Setpoint",
   "units": "kPa",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 175,
   "name": "CondVPF'CondDifPresSetpt",
   "description": "Condenser VFD Pump - Unit Differential Pressure Setpoint",
   "units": "kPa",
   "access": "W",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 176,
   "name": "CondVPF'LoadDifPres",
   "description": "Condenser VFD Pump - Building Differential Pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 177,
   "name": "CondVPF'CondDifPress",
   "description": "Condenser VFD Pump - Unit Differential Pressure",
   "units": "kPa",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 178,
   "name": "CondVPF'BypVlvSta",
   "description": "Condenser VFD Pump - Bypass Valve State",
   "units": "",
   "access": "R",
   "states": "1=Closed, 2=Opened"
  },
  {
   "type": "AV",
   "instance": 179,
   "name": "CondVPF'DeltaTempSp",
   "description": "Condenser VFD Pump - DeltaTemperature Setpoint",
   "units": "dK",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 180,
   "name": "CondVPF'DeltaTemp",
   "description": "Condenser VFD Pump - DeltaTemperature",
   "units": "dK",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 300,
   "name": "C1State",
   "description": "Circuit #1 Status",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Preopen, 3=Start, 4=Run, 5=Pumpdown"
  },
  {
   "type": "BV",
   "instance": 321,
   "name": "C1Comp1Status",
   "description": "Circuit #1 Comp #1 - State",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "AV",
   "instance": 322,
   "name": "C1Comp1Starts",
   "description": "Circuit #1 Comp #1 - Starts",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 323,
   "name": "C1Comp1Hours",
   "description": "Circuit #1 Comp #1 - Run Hours",
   "units": "h",
   "access": "W",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 330,
   "name": "Disconnect",
   "description": "Disconnect Mode",
   "units": "",
   "access": "W",
   "states": "1=No, 2=Yes"
  },
  {
   "type": "MV",
   "instance": 400,
   "name": "C2State",
   "description": "Circuit #2 Status",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Preopen, 3=Start, 4=Run, 5=Pumpdown"
  },
  {
   "type": "BV",
   "instance": 421,
   "name": "C2Comp1Status",
   "description": "Circuit #2 Comp #1 - State",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "AV",
   "instance": 422,
   "name": "C2Comp1Starts",
   "description": "Circuit #2 Comp #1 - Starts",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 423,
   "name": "C2Comp1Hours",
   "description": "Circuit #2 Comp #1 - Run Hours - High",
   "units": "h",
   "access": "W",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 502,
   "name": "CommonLWTSenf",
   "description": "CommonLWTSenf",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 503,
   "name": "CommonCondLWTSenf",
   "description": "CommonCondLWT - Sensor Fault",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 20,
   "name": "MasterCommErr",
   "description": "Master Comm Err",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 21,
   "name": "Slave1CommErr",
   "description": "Slave 1 Comm Err",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 22,
   "name": "Slave2CommErr",
   "description": "Slave 2 Comm Err",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 23,
   "name": "Slave3CommErr",
   "description": "Slave 3 Comm Err",
   "units": "",
   "access": "R",
   "states": "0=NoAlarm, 1=Alarm"
  },
  {
   "type": "AV",
   "instance": 1150,
   "name": "Slave1Load",
   "description": "Slave Load #1",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 1154,
   "name": "Slave1State",
   "description": "Slave State #1",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Run, 3=Alarm, 3=ComErr"
  },
  {
   "type": "AV",
   "instance": 1168,
   "name": "Slave2Load",
   "description": "Slave Load #2",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 1172,
   "name": "Slave2State",
   "description": "Slave State #2",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Run, 3=Alarm, 4=ComErr, 5=Not Config"
  },
  {
   "type": "AV",
   "instance": 1186,
   "name": "Slave3Load",
   "description": "Slave Load #3",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 1190,
   "name": "Slave3State",
   "description": "Slave State #3",
   "units": "",
   "access": "R",
   "states": "1=Off, 2=Run, 3=Alarm, 4=ComErr, 5=Not Config"
  }
 ],
 "integration": {
  "summary": "Select network control at the unit (ChillerLocalRemote BI 3 then reads Network), enable the unit with ChillerEnableStp and write the mode and cool/heat setpoints. Monitor unit status, leaving water temperature, the general alarm and the fault code.",
  "minimum_points": [
   {
    "ref": "BV 2",
    "name": "ChillerEnableStp",
    "why": "Network enable/disable of the unit"
   },
   {
    "ref": "MV 3",
    "name": "ChillerOperationMode",
    "why": "Ice / cool / heat / pursuit mode command"
   },
   {
    "ref": "AV 4",
    "name": "NetworkCoolTempSetpoint",
    "why": "Cool water setpoint from the BMS"
   },
   {
    "ref": "AV 6",
    "name": "NetworkHeatTempSetpoint",
    "why": "Heat water setpoint from the BMS"
   },
   {
    "ref": "BV 8",
    "name": "ClearAlarm",
    "why": "Clear alarms from the network"
   },
   {
    "ref": "BI 3",
    "name": "ChillerLocalRemote",
    "why": "Shows whether network control is active"
   },
   {
    "ref": "MV 1",
    "name": "UnitStatus",
    "why": "Unit run state"
   },
   {
    "ref": "AI 2",
    "name": "LvgEvapWaterTempUnit",
    "why": "Evaporator leaving water temperature"
   },
   {
    "ref": "BI 10",
    "name": "AlarmDigitalOutput",
    "why": "Any active alarm"
   },
   {
    "ref": "AV 905",
    "name": "AVFaultAlarmCode",
    "why": "Active fault alarm code"
   }
  ],
  "enable": "ChillerLocalRemote (BI 3) reads 0 = Network / 1 = Local and is read-only over BACnet, so network control has to be selected at the unit; the guide does not describe that step. Then write ChillerEnableStp (BV 2) = Enable, the mode (MV 3) and the network setpoints.",
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "BACnet IP runs on the controller Ethernet port as a software option enabled with connectivity kit EKRSCBMS.",
   "The same controller also offers Modbus RTU on its onboard RS485 port (separate guide)."
  ],
  "gotchas": [
   "Pump and compressor run-hour and start-count AVs are marked writable; don't write them from the BMS.",
   "MV 47 Units selects imperial or metric units for the BACnet values; set it once, not cyclically.",
   "MV 330 Disconnect (No/Yes) is writable; the guide does not explain it, so leave it alone unless Daikin says otherwise."
  ]
 },
 "page": "https://easybacnet.com/bacnet-points-lists/daikin-applied/ewwq-kc-bacnet",
 "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"
}