{
 "manufacturer": "York",
 "manufacturer_slug": "york",
 "model": "YVWA Water-Cooled Variable-Speed Screw Chiller - BAS E-Link (YorkTalk 2)",
 "model_slug": "yvwa-e-link",
 "short_model": "YVWA E-Link",
 "aliases": [
  "YORK YVWA",
  "YVWA BAS",
  "E-Link",
  "eLink",
  "YorkTalk 2",
  "031-02478",
  "031-03478"
 ],
 "equipment_type": "Water-cooled variable-speed screw chiller (via E-Link gateway)",
 "applies_to": "YORK YVWA water-cooled variable-speed screw chillers (microboards 031-02478 / 031-03478), connected through a YORK E-Link gateway over YorkTalk 2.",
 "summary": "Before the SC-EQ card, YVWA chillers reached a BAS through the E-Link gateway, which reads the microboard over YorkTalk 2 (4800 baud) and serves BACnet, N2, LON and Modbus objects named by YorkTalk page. Section 1 holds remote commands and core chiller data; section 2 holds further system and option points.",
 "bacnet_transport": [],
 "firmware": null,
 "default_device_instance": null,
 "access_inferred": false,
 "notes": [
  "This is a YorkTalk 2 E-Link sheet; objects are named by YorkTalk page (YT2_S01_P03 and so on), and only populated slots not marked unavailable on every version are listed.",
  "Access follows the sheet's Modbus function note: the remote slots AV 1-4 and BV 1-4 accept writes; the rest are read-only.",
  "Multistate states are shown as printed (from 0); this sheet does not say whether the BACnet value adds 1, so confirm by discovery (read the state text)."
 ],
 "source": {
  "title": "YVWA BAS (ISN) E-Link points list",
  "doc_number": null,
  "revision_date": "2020-02-11",
  "url": "https://docs.johnsoncontrols.com/chillers/api/khub/documents/zbueaePe6Wu3YKVBu~fp3A/content"
 },
 "integration": {
  "summary": "Put the chiller in remote/ISN control at the panel, then start and stop it with the E-Link remote run/stop object and write the remote setpoint and current limit. Read the operating, safety and warning codes, run status and water temperatures.",
  "minimum_points": [
   {
    "ref": "BV 1",
    "name": "YT2_S01_P07",
    "why": "Remote start/stop (1 = run)"
   },
   {
    "ref": "AV 1",
    "name": "YT2_S01_P03",
    "why": "Remote leaving chilled liquid setpoint"
   },
   {
    "ref": "AV 2",
    "name": "YT2_S01_P04",
    "why": "Remote current limit, %"
   },
   {
    "ref": "BV 20",
    "name": "YT2_S01_P51",
    "why": "Must read Remote (1) for BMS control"
   },
   {
    "ref": "MV 1",
    "name": "YT2_S01_P56",
    "why": "System 1 operating code"
   },
   {
    "ref": "BV 5",
    "name": "YT2_S01_P36",
    "why": "Chiller running"
   },
   {
    "ref": "AV 5",
    "name": "YT2_S01_P11",
    "why": "Leaving chilled liquid temperature"
   },
   {
    "ref": "AV 6",
    "name": "YT2_S01_P12",
    "why": "Entering chilled liquid temperature"
   },
   {
    "ref": "MV 2",
    "name": "YT2_S01_P57",
    "why": "System 1 fault code"
   },
   {
    "ref": "BV 6",
    "name": "YT2_S01_P37",
    "why": "Chiller alarm (1 = alarm)"
   }
  ],
  "enable": "The E-Link remote slots (AV 1-4, BV 1-4) are the BMS commands; the chiller panel must be set for remote (ISN/BAS) control for them to take effect.",
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "The E-Link gateway talks to the chiller microboard over YorkTalk 2 and serves BACnet, N2, LON and Modbus; BACnet addressing is set on the E-Link.",
   "Check the chiller program version against the sheet's version table; availability codes (S/O/N) are per version."
  ],
  "gotchas": [
   "Points marked optional (O) on the sheet report only on units with that option or program version."
  ]
 },
 "points": [
  {
   "type": "AV",
   "instance": 1,
   "name": "YT2_S01_P03",
   "description": "Remote Chilled Liquid Setpoint",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "YT2_S01_P04",
   "description": "Remote Current Limit Setpoint",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "YT2_S01_P06",
   "description": "Remote Heating Setpoint",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 1,
   "name": "YT2_S01_P07",
   "description": "Remote Start/Stop Command",
   "units": "",
   "access": "W",
   "states": "0=Stop, 1=Run"
  },
  {
   "type": "BV",
   "instance": 3,
   "name": "YT2_S01_P09",
   "description": "Remote Operating Mode",
   "units": "",
   "access": "W",
   "states": "0=Chiller, 1=Heatpump"
  },
  {
   "type": "BV",
   "instance": 4,
   "name": "YT2_S01_P10",
   "description": "History Buffer 1 Request",
   "units": "",
   "access": "W",
   "states": "0=Live Data, 1=History 1 Data"
  },
  {
   "type": "AV",
   "instance": 5,
   "name": "YT2_S01_P11",
   "description": "Leaving Chilled Liquid Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 6,
   "name": "YT2_S01_P12",
   "description": "Entering Chilled Liquid Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 7,
   "name": "YT2_S01_P13",
   "description": "VSD Internal Ambient Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 8,
   "name": "YT2_S01_P14",
   "description": "Leaving Condenser Liquid Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 9,
   "name": "YT2_S01_P15",
   "description": "Sys 1 Discharge Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 11,
   "name": "YT2_S01_P17",
   "description": "Entering Condenser Liquid Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 12,
   "name": "YT2_S01_P18",
   "description": "Sys 1 Oil Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 13,
   "name": "YT2_S01_P19",
   "description": "Sys 1 Evaporator Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 14,
   "name": "YT2_S01_P20",
   "description": "Sys 1 Discharge Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 15,
   "name": "YT2_S01_P21",
   "description": "Sys 1 Compressor % Full Load Amps",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 16,
   "name": "YT2_S01_P22",
   "description": "Sys 1 Total Run Hours",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 17,
   "name": "YT2_S01_P23",
   "description": "Sys 1 Total Number of Starts",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 18,
   "name": "YT2_S01_P24",
   "description": "Sys 1 Highest Motor Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 19,
   "name": "YT2_S01_P25",
   "description": "Sys 2 Highest Motor Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 20,
   "name": "YT2_S01_P26",
   "description": "Sys 1 Economizer Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 21,
   "name": "YT2_S01_P27",
   "description": "Sys 2 Oil Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 22,
   "name": "YT2_S01_P28",
   "description": "Sys 2 Evaporator Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 23,
   "name": "YT2_S01_P29",
   "description": "Sys 2 Discharge Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 24,
   "name": "YT2_S01_P30",
   "description": "Sys 2 Compressor % Full Load Amps",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 25,
   "name": "YT2_S01_P31",
   "description": "Sys 2 Total Run Hours",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 26,
   "name": "YT2_S01_P32",
   "description": "Sys 2 Total Number of Starts",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 27,
   "name": "YT2_S01_P33",
   "description": "VSD Output Frequency",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 28,
   "name": "YT2_S01_P34",
   "description": "Sys 1 Condenser Level Control Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 29,
   "name": "YT2_S01_P35",
   "description": "Sys 2 Condenser Level Control Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 5,
   "name": "YT2_S01_P36",
   "description": "Chiller Run",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 6,
   "name": "YT2_S01_P37",
   "description": "Chiller Alarm",
   "units": "",
   "access": "R",
   "states": "0=No Alarm, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 7,
   "name": "YT2_S01_P38",
   "description": "VSD Aux Coolant Pump",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 8,
   "name": "YT2_S01_P39",
   "description": "Evaporator/Condenser Pump Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 9,
   "name": "YT2_S01_P40",
   "description": "Sys 1 Compressor Run Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 10,
   "name": "YT2_S01_P41",
   "description": "Sys 2 Compressor Run Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 11,
   "name": "YT2_S01_P42",
   "description": "Sys 1 VI Step Solenoid Valve 1 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 12,
   "name": "YT2_S01_P43",
   "description": "Sys 2 VI Step Solenoid Valve 1 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 13,
   "name": "YT2_S01_P44",
   "description": "Sys 1 VI Step Solenoid Valve 2 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 14,
   "name": "YT2_S01_P45",
   "description": "Sys 2 VI Step Solenoid Valve 2 Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 15,
   "name": "YT2_S01_P46",
   "description": "Sys 1 Oil Level Switch Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 16,
   "name": "YT2_S01_P47",
   "description": "Sys 2 Oil Level Switch Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 17,
   "name": "YT2_S01_P48",
   "description": "Sys 1 Liquid Refrigerant Injection Valve Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 18,
   "name": "YT2_S01_P49",
   "description": "Sys 2 Liquid Refrigerant Injection Valve Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 19,
   "name": "YT2_S01_P50",
   "description": "Cooling Type",
   "units": "",
   "access": "R",
   "states": "0=Water, 1=Glycol"
  },
  {
   "type": "BV",
   "instance": 20,
   "name": "YT2_S01_P51",
   "description": "Local Remote Control Mode",
   "units": "",
   "access": "R",
   "states": "0=Local, 1=Remote"
  },
  {
   "type": "BV",
   "instance": 21,
   "name": "YT2_S01_P52",
   "description": "Display Units",
   "units": "",
   "access": "R",
   "states": "0=Imperial, 1=SI"
  },
  {
   "type": "BV",
   "instance": 22,
   "name": "YT2_S01_P53",
   "description": "Sys 1 Hot Gas Bypass Valve Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 23,
   "name": "YT2_S01_P54",
   "description": "Sys 2 Hot Gas Bypass Valve Status",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 24,
   "name": "YT2_S01_P55",
   "description": "Heatpump",
   "units": "",
   "access": "R",
   "states": "0=No, 1=Yes"
  },
  {
   "type": "MV",
   "instance": 1,
   "name": "YT2_S01_P56",
   "description": "Sys 1 Operational Code",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 2,
   "name": "YT2_S01_P57",
   "description": "Sys 1 Fault Code",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 3,
   "name": "YT2_S01_P58",
   "description": "Sys 2 Operational Code",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 4,
   "name": "YT2_S01_P59",
   "description": "Sys 2 Fault Code",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "MV",
   "instance": 9,
   "name": "YT2_S01_P64",
   "description": "Lead System Number",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 30,
   "name": "YT2_S01_P66",
   "description": "Local Leaving Chilled/Condenser Liquid Setpoint",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 31,
   "name": "YT2_S01_P67",
   "description": "Low Leaving Chilled/Condenser Liquid Temp Cutout",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 32,
   "name": "YT2_S01_P68",
   "description": "Sys 1 Economizer Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 33,
   "name": "YT2_S01_P69",
   "description": "Sys 2 Economizer Valve % Open",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 34,
   "name": "YT2_S01_P70",
   "description": "Sys 2 Economizer Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 35,
   "name": "YT2_S01_P71",
   "description": "VSD DC Bus Voltage",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 36,
   "name": "YT2_S01_P72",
   "description": "Remote Leaving Chilled/Condenser Liquid Setpoint",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 37,
   "name": "YT2_S01_P73",
   "description": "Sys 1 Drop Leg Refrigerant Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 38,
   "name": "YT2_S01_P74",
   "description": "Cooling/Heating Range",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 39,
   "name": "YT2_S01_P75",
   "description": "Sys 1 Economizer Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 40,
   "name": "YT2_S01_P76",
   "description": "Sys 2 Economizer Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 41,
   "name": "YT2_S01_P77",
   "description": "Sys 2 Discharge Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 42,
   "name": "YT2_S01_P78",
   "description": "Sys 2 Drop Leg Refrigerant Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 25,
   "name": "YT2_S01_P80",
   "description": "Sys 1 Lockout",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 26,
   "name": "YT2_S01_P81",
   "description": "Sys 2 Lockout",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 27,
   "name": "YT2_S01_P82",
   "description": "Sys 1 Economizer Drain Solenoid Valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 28,
   "name": "YT2_S01_P83",
   "description": "Sys 2 Economizer Drain Solenoid Valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 29,
   "name": "YT2_S01_P84",
   "description": "SCC Auto Detect Available",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 105,
   "name": "YT2_S02_P11",
   "description": "Head Pressure Valve Command (HPC enabled)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 106,
   "name": "YT2_S02_P12",
   "description": "Sys 1 Head Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 107,
   "name": "YT2_S02_P13",
   "description": "Sys 2 Head Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 105,
   "name": "YT2_S02_P36",
   "description": "Option Indicator",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 115,
   "name": "YT2_S02_P46",
   "description": "Aux Coolant Pump Option",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BV",
   "instance": 116,
   "name": "YT2_S02_P47",
   "description": "Oil Level Option",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BV",
   "instance": 117,
   "name": "YT2_S02_P48",
   "description": "Hot Gas Bypass Option",
   "units": "",
   "access": "R",
   "states": "0=Disabled, 1=Enabled"
  },
  {
   "type": "BV",
   "instance": 118,
   "name": "YT2_S02_P49",
   "description": "Compressor Type",
   "units": "",
   "access": "R",
   "states": "0=WTS, 1=CTS"
  },
  {
   "type": "BV",
   "instance": 119,
   "name": "YT2_S02_P50",
   "description": "SCC Auto Detect Digit 1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 120,
   "name": "YT2_S02_P51",
   "description": "SCC Auto Detect Digit 2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 121,
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 "page": "https://easybacnet.com/bacnet-points-lists/york/yvwa-e-link",
 "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"
}