{
 "manufacturer": "York",
 "manufacturer_slug": "york",
 "model": "YVAA / YVFA / YAGK Chiller (native BACnet MS/TP)",
 "model_slug": "yvaa-yvfa-yagk-native",
 "short_model": "YVAA / YVFA / YAGK native",
 "aliases": [
  "YORK YVAA",
  "YORK YVFA",
  "YORK YAGK",
  "YVAA native",
  "031-03478",
  "Y.ACS.20"
 ],
 "equipment_type": "Air-cooled variable-speed screw chiller",
 "applies_to": "YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers with the 031-03478 board and its native BAS port.",
 "summary": "YVAA, YVFA and YAGK chillers with the 031-03478 board have BACnet MS/TP, Modbus RTU and N2 built in, so no gateway is needed. The BAS writes the remote setpoint, current limit, sound limit and start/stop (AV 1-3, BV 1). Everything else is read-only AI and BI objects: chilled liquid and ambient temperatures, per-system pressures, temperatures, % FLA, hours, starts, kW, VSD values, condenser fan data, free cooling values, operational, fault and warning codes, and the chiller alarm.",
 "bacnet_transport": [
  "BACnet MS/TP"
 ],
 "firmware": "Y.ACS.20.02 to Y.ACS.20.20 and later (031-03476-010)",
 "default_device_instance": null,
 "access_inferred": false,
 "notes": [
  "Access follows the sheet's sections: analog and binary write points (AV, BV) and read-only points (AI, BI).",
  "The sheet marks every point Standard, Optional or Not available for seven firmware ranges. Points added in later firmware (free cooling closed loop, YAGK values, unit input current, kW, XL fan commands, flow switch, warning codes, anti-freeze and ready-to-start) are marked Not available on the early ranges and are kept; the spare objects (AV 4, BV 2-3) are left out.",
  "Free cooling points apply to YVFA units, YAGK points (suction temperature, superheat, flash tank drain valve) to YAGK units. Values that don't apply are sent as zero.",
  "Operational, fault and warning codes are numeric AIs; the states list the code values from the sheet's code tables.",
  "BI 25 and BI 26 are condenser fan VSD fault flags; the sheet's description column for them repeats the XL fan speed text.",
  "Units shown are imperial; SI units are in the sheet."
 ],
 "source": {
  "title": "YVAA, YVFA, YAGK Native Modbus RTU, BACnet MS/TP, N2 Data Map",
  "doc_number": null,
  "revision_date": "2022-03-03",
  "url": "https://docs.johnsoncontrols.com/chillers/api/khub/documents/Ul95oD3_Tkawi3qW9DkIug/content"
 },
 "integration": {
  "summary": "Put the chiller in remote control (BI 12 reads Remote), then start it with BV 1 and write the remote setpoint (AV 1) and current limit (AV 2); the setpoint and limit only take effect while the start command is active. Read BI 2 for chiller run, the leaving chilled liquid temperature, VSD frequency, BI 1 for the chiller alarm and the per-system fault codes for the cause.",
  "minimum_points": [
   {
    "ref": "BV 1",
    "name": "START_STOP",
    "why": "Remote start/stop (1 = run)"
   },
   {
    "ref": "AV 1",
    "name": "REM_SETP",
    "why": "Remote leaving chilled liquid setpoint"
   },
   {
    "ref": "AV 2",
    "name": "DMD_LIMIT",
    "why": "Remote current limit, % FLA"
   },
   {
    "ref": "BI 2",
    "name": "CH_RUN",
    "why": "Chiller running"
   },
   {
    "ref": "BI 12",
    "name": "LOCAL_REMOTE",
    "why": "Must read Remote (1) for BMS control"
   },
   {
    "ref": "AI 1",
    "name": "LCHLT",
    "why": "Leaving chilled liquid temperature"
   },
   {
    "ref": "AI 26",
    "name": "VSD_OUT_FR",
    "why": "Compressor VSD frequency (load indication)"
   },
   {
    "ref": "BI 1",
    "name": "CH_ALARM",
    "why": "Chiller alarm"
   },
   {
    "ref": "AI 32",
    "name": "S1_FTL_CODE",
    "why": "Sys 1 fault code (0 = none)"
   },
   {
    "ref": "AI 33",
    "name": "S2_FLT_CODE",
    "why": "Sys 2 fault code (0 = none)"
   }
  ],
  "enable": "BI 12 shows Local or Remote control mode. The sheet gives no point to change it and no write-enable point. The remote setpoint (AV 1) and current limit (AV 2) only take effect while the start command is active.",
  "heartbeat": "Operational code 67 is 'Loss of External Communications'; the sheet gives no timeout or heartbeat point.",
  "remote_sensors": null,
  "setup": [
   "BACnet MS/TP, Modbus RTU and N2 are native on the 031-03478 board; a gateway is only needed for Connected Services.",
   "The sheet gives no default MAC address, baud rate or device instance."
  ],
  "gotchas": [
   "Most data are AI/BI objects, not AV/BV; only AV 1-3 and BV 1 are writable.",
   "The remote sound limit (AV 3) is ignored unless the remote sound limit option is enabled.",
   "Fault codes are per system (AI 32-33); alarm on BI 1 and read both codes for the cause."
  ]
 },
 "points": [
  {
   "type": "AV",
   "instance": 1,
   "name": "REM_SETP",
   "description": "Remote setpoint (start command must be active)",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "DMD_LIMIT",
   "description": "Remote current limit (start command must be active)",
   "units": "% FLA",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 3,
   "name": "SND_LIMIT",
   "description": "Remote sound limit (RSL option must be enabled)",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 1,
   "name": "START_STOP",
   "description": "Remote Start / Stop Command",
   "units": "",
   "access": "W",
   "states": "0=Stop, 1=Run"
  },
  {
   "type": "AI",
   "instance": 1,
   "name": "LCHLT",
   "description": "Leaving Chilled Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 2,
   "name": "ECHLT",
   "description": "Entering Chilled Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 3,
   "name": "EV_ELT",
   "description": "Evaporator Entering Liquid Temperature (Free Cooling)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 4,
   "name": "VSD_IA_TEMP",
   "description": "VSD Internal Ambient Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 5,
   "name": "S1_COND_TEMP",
   "description": "Sys 1 Condenser Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 6,
   "name": "S2_COND_TEMP",
   "description": "Sys 2 Condenser Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 7,
   "name": "S1_DSCH_TEMP",
   "description": "Sys 1 Discharge Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 8,
   "name": "S2_DSCH_TEMP",
   "description": "Sys 2 Discharge Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 9,
   "name": "OAT",
   "description": "Ambient Air Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 10,
   "name": "S1_EDT_TEMP",
   "description": "Sys 1 Eductor Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 11,
   "name": "S2_EDT_TEMP",
   "description": "Sys 2 Eductor Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 12,
   "name": "S1_OIL_PRESS",
   "description": "Sys 1 Oil Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 13,
   "name": "S2_OIL_PRESS",
   "description": "Sys 2 Oil Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 14,
   "name": "S1_SUCT_PRES",
   "description": "Sys 1 Suction Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 15,
   "name": "S2_SUCT_PRES",
   "description": "Sys 2 Suction Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 16,
   "name": "S1_DSCH_PRES",
   "description": "Sys 1 Discharge Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 17,
   "name": "S2_DSCH_PRES",
   "description": "Sys 2 Discharge Pressure",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 18,
   "name": "S1_MC_FLA",
   "description": "Sys 1 Motor Current FLA",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 19,
   "name": "S2_MC_FLA",
   "description": "Sys 2 Motor Current FLA",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 20,
   "name": "S1_OP_HRS",
   "description": "Sys 1 Operating Hours",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 21,
   "name": "S2_OP_HRS",
   "description": "Sys 2 Operating Hours",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 22,
   "name": "S1_COMP_ST",
   "description": "Sys 1 Compressor Starts",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 23,
   "name": "S2_COMP_ST",
   "description": "Sys 2 Compressor Starts",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 24,
   "name": "S1_HI_MTR_T",
   "description": "Sys 1 Highest Motor Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 25,
   "name": "S2_HI_MTR_T",
   "description": "Sys 2 Highest Motor Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 26,
   "name": "VSD_OUT_FR",
   "description": "VSD Output Frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 27,
   "name": "VSD_CMD_FR",
   "description": "VSD Command Frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 28,
   "name": "S1_COND_DR",
   "description": "Sys 1 Condenser Drain Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 29,
   "name": "S2_COND_DR",
   "description": "Sys 2 Condenser Drain Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 30,
   "name": "S1_OP_CODE",
   "description": "Sys 1 Operational Code",
   "units": "",
   "access": "R",
   "states": "63=Manual Override, 64=Daily Schedule Shutdown, 65=Unit Switch OFF, 66=Remote Controlled Shutdown, 67=Loss of External Communications, 68=Flow Switch Shutdown, 69=VSD Cooling Shutdown, 70=Serial Number Shutdown, 72=Discharge Superheat Recovery, 74=No Run Permissive, 75=Anti-Recycle Timer Active, 76=System Switch OFF, 77=System Not Running, 78=System Running, 79=Discharge Pressure Limiting, 80=Suction Pressure Limiting, 81=Motor Current Limiting, 82=Free Cooling, 83=ISN/BAS Motor Current Limiting, 84=Remote Motor Current Limiting, 85=System Shutting Down, 86=VSD Pre-Charging, 87=VSD Baseplate Temp Limiting, 88=VSD Internal Ambient Temp Limiting, 89=Sound Limiting, 90=ISN Sound Limiting, 91=Remote Sound Limiting, 92=Pulldown Motor Current Limiting, 93=Cooling Demand Shutdown, 94=Input Current Limiting, 95=ISN Input Current Limiting, 96=Remote Input Current Limiting, 97=Pulldown Input Current Limiting"
  },
  {
   "type": "AI",
   "instance": 31,
   "name": "S2_OP_CODE",
   "description": "Sys 2 Operational Code",
   "units": "",
   "access": "R",
   "states": "63=Manual Override, 64=Daily Schedule Shutdown, 65=Unit Switch OFF, 66=Remote Controlled Shutdown, 67=Loss of External Communications, 68=Flow Switch Shutdown, 69=VSD Cooling Shutdown, 70=Serial Number Shutdown, 72=Discharge Superheat Recovery, 74=No Run Permissive, 75=Anti-Recycle Timer Active, 76=System Switch OFF, 77=System Not Running, 78=System Running, 79=Discharge Pressure Limiting, 80=Suction Pressure Limiting, 81=Motor Current Limiting, 82=Free Cooling, 83=ISN/BAS Motor Current Limiting, 84=Remote Motor Current Limiting, 85=System Shutting Down, 86=VSD Pre-Charging, 87=VSD Baseplate Temp Limiting, 88=VSD Internal Ambient Temp Limiting, 89=Sound Limiting, 90=ISN Sound Limiting, 91=Remote Sound Limiting, 92=Pulldown Motor Current Limiting, 93=Cooling Demand Shutdown, 94=Input Current Limiting, 95=ISN Input Current Limiting, 96=Remote Input Current Limiting, 97=Pulldown Input Current Limiting"
  },
  {
   "type": "AI",
   "instance": 32,
   "name": "S1_FTL_CODE",
   "description": "Sys 1 Fault Code",
   "units": "",
   "access": "R",
   "states": "0=No Fault Code, 1=Low Ambient Temperature, 2=High Ambient Temperature, 3=Low Chilled Liquid Temperature, 4=VSD Initialization Failure, 5=Low RTC Battery Voltage, 6=Invalid Number of Compressors Selected, 7=VSD Communications Failure, 8=Pre-charge Low DC Bus Voltage (Unit), 9=Pre-charge DC Bus Voltage Imbalance (Unit), 10=High DC Bus Voltage (Unit), 11=Low DC Bus Voltage (Unit), 12=DC Bus Voltage Imbalance (Unit), 13=High VSD Ambient Temperature, 14=Single Phase Input (Unit), 15=VSD Power Supply Fault, 16=VSD Logic Board Fault, 17=Motor Current Overload (Hardware), 18=CT Plug Fault, 19=High Harmonic Filter Temperature, 20=Evap Anti-Freeze Pump Fault, 21=Low Heat Exchanger Temperature, 27=High Discharge Pressure (Software), 28=High Differential Oil Pressure, 29=Low Differential Oil Pressure, 30=Low Suction Pressure, 31=High Discharge Temperature, 33=Eductor Clog Fault, 34=Sensor Failure, 35=Low Motor Current, 36=High Motor Temperature, 37=Pre-charge Low DC Bus Voltage (System, Frame E/F), 38=Pre-charge DC Bus Voltage Imbalance (System, Frame E/F), 39=High DC Bus Voltage (System, Frame E/F), 40=Low DC Bus Voltage (System, Frame E/F), 41=DC Bus Voltage Imbalance (System, Frame E/F), 42=High Motor Current, 43=Motor Current Overload (Software), 44=IGBT Gate Driver Fault, 45=High Baseplate Temperature, 46=Single Phase Input (System, Frame E/F), 47=VSD Run Signal Fault, 48=High Discharge Pressure (Hardware - HPCO), 49=Low Suction Superheat, 50=Control Voltage Fault, 51=Low Discharge Superheat, 52=Low Suction Pressure Smart Freeze, 53=Isolation Valve Failed to Close Warning, 54=Isolation Valve Failed to Open Fault, 55=High Discharge Pressure Rate, 56=Condenser Fan VSD Warning"
  },
  {
   "type": "AI",
   "instance": 33,
   "name": "S2_FLT_CODE",
   "description": "Sys 2 Fault Code",
   "units": "",
   "access": "R",
   "states": "0=No Fault Code, 1=Low Ambient Temperature, 2=High Ambient Temperature, 3=Low Chilled Liquid Temperature, 4=VSD Initialization Failure, 5=Low RTC Battery Voltage, 6=Invalid Number of Compressors Selected, 7=VSD Communications Failure, 8=Pre-charge Low DC Bus Voltage (Unit), 9=Pre-charge DC Bus Voltage Imbalance (Unit), 10=High DC Bus Voltage (Unit), 11=Low DC Bus Voltage (Unit), 12=DC Bus Voltage Imbalance (Unit), 13=High VSD Ambient Temperature, 14=Single Phase Input (Unit), 15=VSD Power Supply Fault, 16=VSD Logic Board Fault, 17=Motor Current Overload (Hardware), 18=CT Plug Fault, 19=High Harmonic Filter Temperature, 20=Evap Anti-Freeze Pump Fault, 21=Low Heat Exchanger Temperature, 27=High Discharge Pressure (Software), 28=High Differential Oil Pressure, 29=Low Differential Oil Pressure, 30=Low Suction Pressure, 31=High Discharge Temperature, 33=Eductor Clog Fault, 34=Sensor Failure, 35=Low Motor Current, 36=High Motor Temperature, 37=Pre-charge Low DC Bus Voltage (System, Frame E/F), 38=Pre-charge DC Bus Voltage Imbalance (System, Frame E/F), 39=High DC Bus Voltage (System, Frame E/F), 40=Low DC Bus Voltage (System, Frame E/F), 41=DC Bus Voltage Imbalance (System, Frame E/F), 42=High Motor Current, 43=Motor Current Overload (Software), 44=IGBT Gate Driver Fault, 45=High Baseplate Temperature, 46=Single Phase Input (System, Frame E/F), 47=VSD Run Signal Fault, 48=High Discharge Pressure (Hardware - HPCO), 49=Low Suction Superheat, 50=Control Voltage Fault, 51=Low Discharge Superheat, 52=Low Suction Pressure Smart Freeze, 53=Isolation Valve Failed to Close Warning, 54=Isolation Valve Failed to Open Fault, 55=High Discharge Pressure Rate, 56=Condenser Fan VSD Warning"
  },
  {
   "type": "AI",
   "instance": 34,
   "name": "S1_FAN_STG",
   "description": "Sys 1 condenser fan stage, 0-14",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 35,
   "name": "S2_FAN_STG",
   "description": "Sys 2 condenser fan stage, 0-14",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 36,
   "name": "S1_FAN_SPD",
   "description": "Sys 1 Condenser Fan Speed (VSD)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 37,
   "name": "S2_FAN_SPD",
   "description": "Sys 2 Condenser Fan Speed (VSD)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 38,
   "name": "LEAD",
   "description": "Lead System",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 39,
   "name": "LCHLT_SETP",
   "description": "Leaving Chilled Liquid Setpoint",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 40,
   "name": "LCHLT_CUTOUT",
   "description": "Leaving Chilled Liquid Cutout",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 41,
   "name": "S1_ECON_VLV",
   "description": "Sys 1 Economizer Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 42,
   "name": "S2_ECON_VLV",
   "description": "Sys 2 Economizer Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 43,
   "name": "SUCT_PRS_CUT",
   "description": "Suction Pressure Cutout",
   "units": "PSI",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 44,
   "name": "VSD_DCB_VT",
   "description": "VSD DC bus voltage (unit), or Sys 1 on Frame E/F",
   "units": "Volts",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 45,
   "name": "VSD_DCB_VT2",
   "description": "VSD DC Bus Voltage Sys 2 (Frame E/F)",
   "units": "Volts",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 46,
   "name": "REM_SETPOINT",
   "description": "Remote Leaving Chilled Liquid Setpoint",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 47,
   "name": "S1_SUBCOOL",
   "description": "Sys 1 Subcooling (Microchannel)",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 48,
   "name": "S1_EVAP_LL",
   "description": "Sys 1 Evaporator Liquid Level (Round Tube)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 49,
   "name": "S2_SUBCOOL",
   "description": "Sys 2 Subcooling (Microchannel)",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 50,
   "name": "S2_EVAP_LL",
   "description": "Sys 2 Evaporator Liquid Level (Round Tube)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 51,
   "name": "COOLING_RNG",
   "description": "Cooling Range",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 52,
   "name": "S1_DSC_SHEAT",
   "description": "Sys 1 Discharge Superheat",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 53,
   "name": "S2_DSC_SHEAT",
   "description": "Sys 2 Discharge Superheat",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 54,
   "name": "S1_SYS_STATE",
   "description": "Sys 1 System State",
   "units": "",
   "access": "R",
   "states": "0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run"
  },
  {
   "type": "AI",
   "instance": 55,
   "name": "S2_SYS_STATE",
   "description": "Sys 2 System State",
   "units": "",
   "access": "R",
   "states": "0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run"
  },
  {
   "type": "AI",
   "instance": 56,
   "name": "S1_MTR_OVER",
   "description": "Sys 1 Motor Current Overload Setting",
   "units": "Amps",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 57,
   "name": "S2_MTR_OVER",
   "description": "Sys 2 Motor Current Overload Setting",
   "units": "Amps",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 58,
   "name": "FAN_TYPE",
   "description": "Condenser fan control type",
   "units": "",
   "access": "R",
   "states": "1=Std. VSD, 2=Opt. VSD, 3=Std. Staged, 4=Opt. Staged, 5=Std. VSD with Interlock, 6=Opt. VSD with Interlock, 7=Opt. ENH, 8=Opt. ENH XL"
  },
  {
   "type": "AI",
   "instance": 59,
   "name": "FC_MODE",
   "description": "Free Cooling Mode (Free Cooling)",
   "units": "",
   "access": "R",
   "states": "0=Mech, 1=Free Cool, 2=Hybrid"
  },
  {
   "type": "AI",
   "instance": 60,
   "name": "FC_CTRL",
   "description": "Free cooling control programmed (free cooling)",
   "units": "%",
   "access": "R",
   "states": "0=Disabled, 1=Open Loop, 2=Closed Loop"
  },
  {
   "type": "AI",
   "instance": 61,
   "name": "CC_BYP_VALVE",
   "description": "Cooling Coil Bypass Valve (Free Cooling Closed Loop)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 62,
   "name": "CC_VALVE",
   "description": "Cooling Coil Valve (Free Cooling Closed Loop)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 63,
   "name": "CC_TEMP",
   "description": "Cooling Coil Temperature (Free Cooling Closed Loop)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 64,
   "name": "HX_LEAVE_TEMP",
   "description": "Heat Exchanger Leaving Temperature (Free Cooling Closed Loop)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 65,
   "name": "HX_ENTER_TEMP",
   "description": "Heat Exchanger Entering Temperature (Free Cooling Closed Loop)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 66,
   "name": "GLY_PMP_SPD",
   "description": "Glycol Pump Speed (Free Cooling Closed Loop)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 67,
   "name": "1_SUCT_TEMP",
   "description": "Sys 1 Suction Temperature (YAGK)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 68,
   "name": "1_SAT_SUCT",
   "description": "Sys 1 Sat Suction Temperature (YAGK)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 69,
   "name": "1_SUCT_SHEAT",
   "description": "Sys 1 Suction Superheat (YAGK)",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 70,
   "name": "1_FTDV_CMD",
   "description": "Sys 1 Flash Tank Drain Valve % (YAGK)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 71,
   "name": "2_SUCT_TEMP",
   "description": "Sys 2 Suction Temperature (YAGK)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 72,
   "name": "2_SAT_SUCT",
   "description": "Sys 2 Sat Suction Temperature (YAGK)",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 73,
   "name": "2_SUCT_SHEAT",
   "description": "Sys 2 Suction Superheat (YAGK)",
   "units": "°F (diff)",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 74,
   "name": "2_FTDV_CMD",
   "description": "Sys 2 Flash Tank Drain Valve % (YAGK)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 75,
   "name": "INPUT_CURR",
   "description": "Unit Input Current Amps",
   "units": "Amps",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 76,
   "name": "1_FAN_KW",
   "description": "Sys 1 Fan Kw",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 77,
   "name": "1_COMP_KW",
   "description": "Sys 1 Compressor Kw",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 78,
   "name": "2_FAN_KW",
   "description": "Sys 2 Fan Kw",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 79,
   "name": "2_COMP_KW",
   "description": "Sys 2 Compressor Kw",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 80,
   "name": "S1_XL_SPD_CMD",
   "description": "Sys 1 XL Condenser Fan Speed Command",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 81,
   "name": "S2_XL_SPD_CMD",
   "description": "Sys 2 XL Condenser Fan Speed Command",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 82,
   "name": "S1_WARN_CODE",
   "description": "Sys 1 Warning Code",
   "units": "",
   "access": "R",
   "states": "0=No Warning Set, 1=Quarterly Service Required - Contact JCI, 2=Yearly Service Required - Contact JCI, 3=3 Year Service Required - Contact JCI, 4=5 Year Service Required - Contact JCI, 5=Replace Oil Filter"
  },
  {
   "type": "AI",
   "instance": 83,
   "name": "S2_WARN_CODE",
   "description": "Sys 2 Warning Code",
   "units": "",
   "access": "R",
   "states": "0=No Warning Set, 1=Quarterly Service Required - Contact JCI, 2=Yearly Service Required - Contact JCI, 3=3 Year Service Required - Contact JCI, 4=5 Year Service Required - Contact JCI, 5=Replace Oil Filter"
  },
  {
   "type": "BI",
   "instance": 1,
   "name": "CH_ALARM",
   "description": "Chiller Alarm",
   "units": "",
   "access": "R",
   "states": "0=No Alarm, 1=Alarm"
  },
  {
   "type": "BI",
   "instance": 2,
   "name": "CH_RUN",
   "description": "Chiller Run",
   "units": "",
   "access": "R",
   "states": "0=No Run, 1=Run"
  },
  {
   "type": "BI",
   "instance": 3,
   "name": "EVAP_HEATER",
   "description": "Evaporator Heater Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 4,
   "name": "EVAP_PUMP",
   "description": "Evaporator Pump Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 5,
   "name": "S1_COMP_RUN",
   "description": "Sys 1 Compressor Run Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 6,
   "name": "S2_COMP_RUN",
   "description": "Sys 2 Compressor Run Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 7,
   "name": "S1_VI_STEP1",
   "description": "Sys 1 VI Step Solenoid Valve 1 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 8,
   "name": "S2_VI_STEP1",
   "description": "Sys 2 VI Step Solenoid Valve 1 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 9,
   "name": "S1_VI_STEP2",
   "description": "Sys 1 VI Step Solenoid Valve 2 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 10,
   "name": "S2_VI_STEP2",
   "description": "Sys 2 VI Step Solenoid Valve 2 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 11,
   "name": "WATER_GLYCOL",
   "description": "Cooling Type",
   "units": "",
   "access": "R",
   "states": "0=Water, 1=Glycol"
  },
  {
   "type": "BI",
   "instance": 12,
   "name": "LOCAL_REMOTE",
   "description": "Local Remote Control Mode",
   "units": "",
   "access": "R",
   "states": "0=Local, 1=Remote"
  },
  {
   "type": "BI",
   "instance": 13,
   "name": "DISP_UNITS",
   "description": "Display Units",
   "units": "",
   "access": "R",
   "states": "0=Imperial, 1=SI"
  },
  {
   "type": "BI",
   "instance": 14,
   "name": "S1_LOCKOUT",
   "description": "Sys 1 Lockout",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 15,
   "name": "S2_LOCKOUT",
   "description": "Sys 2 Lockout",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 16,
   "name": "FC_VALVE",
   "description": "Free Cooling Valve (Free Cooling)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BI",
   "instance": 17,
   "name": "SOFT_SHUT",
   "description": "Soft Shutdown",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 18,
   "name": "REM_EVAP",
   "description": "Remote Evaporator",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 19,
   "name": "QUICK_ST",
   "description": "Quick Start",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 20,
   "name": "FRAME_EF",
   "description": "Frame E/F",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 21,
   "name": "SOUND_OP",
   "description": "Sound Limit Option",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BI",
   "instance": 22,
   "name": "GLY_PMP_RUN",
   "description": "Glycol Pump Run (Free Cooling Closed Loop)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BI",
   "instance": 23,
   "name": "GLY_HEATER",
   "description": "Glycol Heater (Free Cooling Closed Loop)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BI",
   "instance": 24,
   "name": "FLOW_SWITCH",
   "description": "Flow switch status",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BI",
   "instance": 25,
   "name": "S1_COND_FAN_VSD_FAULT",
   "description": "Sys 1 condenser fan VSD fault",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 26,
   "name": "S2_COND_FAN_VSD_FAULT",
   "description": "Sys 2 condenser fan VSD fault",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 27,
   "name": "EVAP_AF_FLSW",
   "description": "Evap Anti-Freeze Flow Switch",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 28,
   "name": "EVAP_AF_PUMP",
   "description": "Evap Anti-Freeze Pump Run",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 29,
   "name": "RDY_TO_START",
   "description": "Ready To Start",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/york/yvaa-yvfa-yagk-native",
 "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"
}