{
 "manufacturer": "York",
 "manufacturer_slug": "york",
 "model": "YST Steam Turbine Chiller (SC-EQ)",
 "model_slug": "yst-sc-eq",
 "aliases": [
  "YORK YST",
  "YST chiller",
  "steam turbine drive chiller",
  "SC-EQ",
  "SE-SCC1001-1"
 ],
 "equipment_type": "Steam-turbine-driven centrifugal chiller (via SC-EQ card)",
 "applies_to": "YORK YST steam-turbine-driven centrifugal chillers fitted with the SC-EQ communication card.",
 "summary": "YORK by Johnson Controls YST chillers drive a centrifugal compressor with a steam turbine. The SC-EQ communication card exposes them on BACnet MS/TP (or Modbus RTU / N2). Remote commands are run/stop, leaving chilled water setpoint and a turbine horsepower limit; the rest is read-only: chiller and turbine temperatures, pressures, speed, steam flow, bearing and hotwell values, contact states, and multistate status and fault codes.",
 "bacnet_transport": [
  "BACnet MS/TP"
 ],
 "firmware": "SC-EQ software 4.2.0.20",
 "default_device_instance": "5000 + MAC address",
 "access_inferred": true,
 "notes": [
  "Access is inferred: the sheet has no read/write column. The remote block (AV 1-2, BV 1) is treated as commandable and MV 65001 as writable; everything else as read-only.",
  "Status-code MVs (operation, fault, warning, modified run, start inhibit, internal fault) are the printed code + 1, as the doc's status code tables say. MVs with their own enum in the points table (Units, control sources) are shown as printed, from 0; BACnet multistate values start at 1, so the card may report the printed number + 1. Confirm by discovery.",
  "Units shown are the IP units; with MV 65001 set to SI the card reports °C, kPa and so on.",
  "Spare objects in the sheet (AV 3-4, AV 42, BV 2-4, BV 21, BV 25, MV 10) have no name and are left out."
 ],
 "source": {
  "title": "YST SC-EQ BAS Points List",
  "doc_number": null,
  "revision_date": "Rev 1.2, 2021-12-08",
  "url": "https://docs.johnsoncontrols.com/chillers/api/khub/documents/xdkEW8x~Tlf_XJgFpLpcbA/content"
 },
 "integration": {
  "summary": "Run and stop it with BV 1, write the leaving chilled water setpoint (AV 1) and the turbine horsepower limit (AV 2). Read MV 1 and MV 6 for chiller and turbine state, the leaving water temperature and PRV position, and MV 2/MV 3 for safety and cycling shutdowns.",
  "minimum_points": [
   {
    "ref": "BV 1",
    "name": "REM RUN STOP CMD",
    "why": "Remote run/stop (1 = run)"
   },
   {
    "ref": "AV 1",
    "name": "REM LEAVING CHW TEMP SP",
    "why": "Remote leaving chilled water setpoint"
   },
   {
    "ref": "AV 2",
    "name": "TURBINE HP LIMIT SP",
    "why": "Turbine horsepower limit, % (demand limit)"
   },
   {
    "ref": "MV 1",
    "name": "UNIT OPERATION CODE",
    "why": "Operating state (stopped, starting, running)"
   },
   {
    "ref": "MV 6",
    "name": "TURBINE STATUS CODE",
    "why": "Turbine state (slow roll, running, cooldown)"
   },
   {
    "ref": "MV 5",
    "name": "UNIT CONTROL SOURCE",
    "why": "Control source; ISN (BAS) for BMS control"
   },
   {
    "ref": "AV 5",
    "name": "LEAVING CHW TEMP",
    "why": "Leaving chilled water temperature"
   },
   {
    "ref": "AV 20",
    "name": "COMPRESSOR PRV POSITION",
    "why": "Pre-rotation vane position, % (load)"
   },
   {
    "ref": "MV 2",
    "name": "UNIT SAFETY FAULT CODE",
    "why": "Safety shutdown code (1 = none)"
   },
   {
    "ref": "MV 3",
    "name": "UNIT CYCLING FAULT CODE",
    "why": "Cycling shutdown code (1 = none)"
   }
  ],
  "enable": "BV 1 REM RUN STOP CMD (0 = Stop, 1 = Run) is the BAS run/stop, and AV 1-2 are the remote setpoints. MV 5 Unit Control Source shows Local, ISN, Analog, Digital or Modem, and BV 20 shows the remote-mode ready-to-start contacts. The points list has no write-enable point and doesn't say how the source is chosen at the chiller panel.",
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "The BAS connects to the SC-EQ J12 port (RS-485: +, -, COM/REF, SHLD). The card detects BACnet MS/TP, Modbus RTU or N2 and the baud rate by itself; allow up to 120 seconds after power-up.",
   "The MAC address (1-127) is set on DIP switch SW1 (switch 8 unused). Cycle the card's power after changing it.",
   "The device instance defaults to 5000 + the MAC address (MAC 6 gives 5006). To use another number, set Device Instance Mode to Manual and enter the instance with the SC-AP / MAP tool, or write BV 65000 (mode) and AV 65000 (instance ID).",
   "MV 65001 Units sets whether the BAS sees IP or SI values, independent of the chiller display; set it to match the chiller."
  ],
  "gotchas": [
   "The remote (commandable) setpoints read as unreliable until the BAS writes them the first time.",
   "The SC-EQ only exposes the points that apply to the chiller it detects; if it replaces an E-Link, re-discover the device so old non-applicable points don't sit offline.",
   "A start goes through turbine slow roll and ramp-up; watch MV 6 rather than expecting the chiller to load right after BV 1."
  ]
 },
 "points": [
  {
   "type": "AV",
   "instance": 1,
   "name": "REM LEAVING CHW TEMP SP",
   "description": "Remote Leaving Chilled Liquid Setpoint",
   "units": "°F",
   "access": "C",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "TURBINE HP LIMIT SP",
   "description": "Turbine Horsepower Limit Setpoint",
   "units": "%",
   "access": "C",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 1,
   "name": "REM RUN STOP CMD",
   "description": "Remote Run/Stop",
   "units": "",
   "access": "C",
   "states": "0=Stop, 1=Run"
  },
  {
   "type": "MV",
   "instance": 65001,
   "name": "Units",
   "description": "Unit system reported by the SC-EQ",
   "units": "",
   "access": "W",
   "states": "0=IP (English), 1=SI (Metric)"
  },
  {
   "type": "AV",
   "instance": 5,
   "name": "LEAVING CHW TEMP",
   "description": "Leaving Chilled Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 6,
   "name": "ENTERING CHW TEMP",
   "description": "Return Chilled Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 7,
   "name": "EVAPORATOR PRESSURE",
   "description": "Evaporator Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 8,
   "name": "CONDENSER PRESSURE",
   "description": "Condenser Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 9,
   "name": "COMPR OIL COMP DIF PRESS",
   "description": "Compressor Oil Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 10,
   "name": "ENTERING COND WATER TEMP",
   "description": "Entering Condenser Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 11,
   "name": "LEAVING COND WATER TEMP",
   "description": "Leaving Condenser Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 12,
   "name": "TURBINE INLET STEAM TEMP",
   "description": "Turbine Inlet Steam Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 13,
   "name": "TURBINE INLET STEAM PRES",
   "description": "Turbine Inlet Steam Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 14,
   "name": "TURBINE SUPPLY OIL TEMP",
   "description": "Turbine Supply Oil Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 15,
   "name": "TURBINE SUPPLY OIL PRESS",
   "description": "Turbine Supply Oil Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 16,
   "name": "TURBINE 1ST STG STM PRES",
   "description": "Turbine First Stage Steam Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 17,
   "name": "TURBINE SPEED",
   "description": "Turbine Speed",
   "units": "RPM",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 18,
   "name": "TURBINE EXHAUST STM PRES",
   "description": "Turbine Exhaust Steam Pressure",
   "units": "PSIA",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 19,
   "name": "LEAVING CHW TEMP ACT SP",
   "description": "Leaving Chilled Liquid Temperature Setpoint - Local",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 20,
   "name": "COMPRESSOR PRV POSITION",
   "description": "Compressor PRV Position",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 21,
   "name": "EVAP SATURATION TEMP",
   "description": "Chiller Evaporator Saturation Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 22,
   "name": "COND SATURATION TEMP",
   "description": "Chiller Condenser Saturation Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 23,
   "name": "DISCHARGE TEMP",
   "description": "Compressor Discharge Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 24,
   "name": "OIL SUMP TEMPERATURE",
   "description": "Compressor Sump Oil Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 25,
   "name": "SUBCOOLER REFRIG LEVEL",
   "description": "Subcooler Refrigerant Level",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 26,
   "name": "ACCUM OPERATING HOURS",
   "description": "Accumulated Operating Hours",
   "units": "Hr",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 27,
   "name": "ACCUM SYSTEM STARTS",
   "description": "Accumulated System Starts",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 28,
   "name": "OIL SUMP PRESSURE",
   "description": "Compressor Sump Oil Transducer Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 29,
   "name": "OIL PUMP PRESSURE",
   "description": "Compressor Pump Oil Transducer Pressure",
   "units": "PSIG",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 5,
   "name": "PANEL ROCKER SW RUN",
   "description": "Panel Rocker Switch - Run",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 6,
   "name": "PANEL ROCKER SW STOP",
   "description": "Panel Rocker Switch - Stop / Reset",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 7,
   "name": "CHW LIQ PUMP STAT",
   "description": "Chilled Liquid Pump Start Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 8,
   "name": "COND LIQ PUMP STAT",
   "description": "Condenser Liquid Pump Start Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 9,
   "name": "CHW FLOW SWITCH STAT",
   "description": "Chilled Liquid Flow Switch Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 10,
   "name": "COND LIQ FLOW SW STAT",
   "description": "Condenser Liquid Flow Switch Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 11,
   "name": "COND REFRIG HI PRESS CO",
   "description": "Condenser Refrigerant High Pressure Cutout",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 12,
   "name": "COMP OIL HEATER CONT",
   "description": "Compressor Oil Heater Contactor",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 13,
   "name": "COMP OIL RETURN SOL VLV",
   "description": "Compressor Oil Return Solenoid Valve",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 14,
   "name": "COMP OIL COOLER W SOL VL",
   "description": "Compressor Oil Cooler Water Solenoid Valve",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 15,
   "name": "COMP VAR SPD OIL PMP RUN",
   "description": "Compressor Variable Speed Oil Pump Run Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 16,
   "name": "COMP VAR SPD OIL PMP AUX",
   "description": "Compressor variable-speed oil pump auxiliary contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 17,
   "name": "COMPR LIQ INJ SOL VLV",
   "description": "Compressor Liquid Injection Solenoid Valve",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 18,
   "name": "COMPR HS THRUST SOL",
   "description": "Compressor High Speed Thrust Solenoid",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 19,
   "name": "CLOSED LIMIT SWITCH",
   "description": "Closed Limit Switch",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 20,
   "name": "REM MODE READY TO START",
   "description": "Remote Mode Ready To Start Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 22,
   "name": "TURBINE ROTATING CONT",
   "description": "Turbine Rotating Contacts",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 23,
   "name": "TURBINE TRIP SOL VLV",
   "description": "Turbine Trip Solenoid Valve",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 24,
   "name": "TURBINE TRIP VLV CLO LS",
   "description": "Turbine Trip Valve Closed Limit Switch",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "MV",
   "instance": 1,
   "name": "UNIT OPERATION CODE",
   "description": "Unit Operation Code",
   "units": "",
   "access": "R",
   "states": "1=Unit Stopped - Ready To Start, 2=Unit Stopped - Local Shutdown, 3=Unit Stopped -Remote Shutdown, 4=Unit Stopped Warning Active, 5=Unit Stopped - Cycling Shutdown, 6=Unit Stopped - Safety Shutdown, 7=Unit Start Inhibit, 8=Unit Starting, 9=Unit Running - No Abnormal Condition, 10=Unit Running - Warning Active, 11=Unit Running - Chiller Unload Before Shutdown, 12=Unit Coastdown / Lockout Delay, 13=Unit Stopped - Turbine Cooldown, 14=Unit Stopped - Internal Shutdown"
  },
  {
   "type": "MV",
   "instance": 2,
   "name": "UNIT SAFETY FAULT CODE",
   "description": "Unit Safety Shutdown Code",
   "units": "",
   "access": "R",
   "states": "1=No Malfunction, 2=Evaporator - Low Pressure, 3=Evaporator - Transducer Or Leaving Liquid Probe, 4=Evaporator - Transducer Or Temperature Sensor, 5=Evaporator - Low Temperature, 6=Evaporator - Low Pressure - Smart Freeze, 7=Condenser - High Pressure Contacts Open, 8=Condenser - High Pressure, 9=Condenser - Pressure Transducer Out Of Range, 10=Auxiliary Safety - Contacts Closed, 11=Control Panel - Power Failure (Manual Restart), 12=Discharge - Low Temperature, 13=Discharge - High Temperature, 14=Compressor Oil - High Temperature, 15=Compressor Oil - Low Differential Pressure, 16=Compressor Oil - High Differential Pressure, 17=Compressor Oil - Pump Press Xdcr Out Of Range, 18=Compressor Oil - Sump Press Xdcr Out Of Range, 19=Compressor Oil - High Pressure, 20=Compressor Oil - Differential Pressure Calibration, 22=Oil - Variable Speed Pump - Setpoint Not Achieved, 23=Thrust Bearing - Proximity Probe Clearance - Fwd, 24=Thrust Bearing - Proximity Probe Clearance - Rev, 25=Thrust Bearing - Proximity Probe Uncalibrated, 26=Thrust Bearing - Proximity Probe Out Of Range, 27=Thrust Bearing - Limit Switch, 29=Turbine - Low Oil Pressure, 31=Turbine - High Oil Temperature, 33=Turbine - Governor End Bearing High Temperature, 34=Turbine - Shaft End Bearing High Temperature, 35=Turbine - Governor End Vibration, 36=Turbine - Shaft End Vibration, 37=Turbine - High Inlet Steam Pressure, 38=Turbine - High Exhaust Steam Pressure, 39=Turbine - Hotwell Low Level, 40=Turbine - Hotwell High Level - Analog, 41=Turbine - Hotwell Pump Failure, 42=Turbine - Vacuum Seal Failure, 43=Turbine - Vacuum Pump Failure, 44=Turbine - High Vacuum Pressure, 45=Turbine - Underspeed While Starting, 46=Turbine - Underspeed While Running, 47=Turbine - Steam Supply Valve Malfunction, 48=Turbine - Overspeed, 49=Turbine - Mechanical Overspeed Test Failure, 50=Turbine - Underspeed Dip While Starting, 51=Turbine - Underspeed Dip While Running, 52=Turbine - Excessive Slow Roll, 53=Turbine - Mechanical Trip, 54=Turbine - Excessive Start Delay, 55=Turbine - Shaft Bearing Temperature Out Of Range, 56=Turbine - Oil Temperature Out Of Range, 57=Turbine - Oil Pressure Out Of Range, 58=Turbine - Hotwell High Level - Digital, 59=MPU Failure, 60=Slow Roll Overspeed, 61=Turbine - Governor End Horizontal Vibration, 62=Turbine - Governor End Vertical Vibration, 63=Turbine - Shaft End Horizontal Vibration, 64=Turbine - Governor End Vertical Vibration, 65=Turbine - Govr End Horiz Vibration Out of Range, 66=Turbine - Gov End Vert Vibration Out of Range, 67=Turbine - Shaft End Horiz Vibration Out of Range, 68=Turbine - Gov End Vert Vibration Out of Range, 69=Compressor - Horiz Vibration Out of Range, 70=Compressor - Vertical Vibration Out of Range, 71=Safety Shutdown- Steam Supply Out of Range"
  },
  {
   "type": "MV",
   "instance": 3,
   "name": "UNIT CYCLING FAULT CODE",
   "description": "Unit Cycling Shutdown Code",
   "units": "",
   "access": "R",
   "states": "1=No Malfunction, 3=Remote Cycling, 4=Low Compressr Oil Differential Temperature, 5=Low Compressr Sump Oil Temperature, 6=Control Panel - Power Fail (Autostart), 7=Evaporator - Low Chilled Liquid Temperature, 8=Evaporator - Flow Switch Open, 9=Chiller Condenser - Flow Switch Open, 10=Control Panel - Schedule Shutdown, 11=Proximity Probe - Low Supply Voltage, 12=Oil - Variable Speed Pump - Drive Contacts Open, 13=Expansion I/O Serial Communications"
  },
  {
   "type": "MV",
   "instance": 4,
   "name": "UNIT WARNING FAULT CODE",
   "description": "Unit Alarm / Warning Code",
   "units": "",
   "access": "R",
   "states": "1=No Malfunction, 2=Real-Time Clock Failure, 3=Setpoint Override, 5=Condenser Or Evaporator Transducer Error, 6=Evaporator - Low Pressure Limit, 7=Consenser - High Pressure Limit, 8=Condenser Transducer Error, 9=Freeze Threat From Operating Chiller, 10=Refrigerant Level Out Of Range, 11=Seal Lubrication In Process, 12=Standby Lube - Low Oil Pressure, 14=Turbine - High Condensate Level, 15=Turbine - Oil Low Pressure, 16=Turbine - Auxiliary Oil Low Pressure, 17=Turbine - Oil High Temperature, 19=Turbine - Auxiliary Oil Pump Overrun, 20=Turbine - Speed Sensor Differential, 21=Turbine - Governor End Bearing High Temperature, 22=Turbine - Shaft End Bearing High Temperature, 23=Turbine - Governor End Vibration, 24=Turbine - Shaft End Vibration, 25=Turbine - Inlet Steam High Pressure, 26=Turbine - Exhaust Steam High Pressure, 27=Turbine - Hotwell Low Level, 28=Turbine - Hotwell High Level, 29=Turbine - Hotwell Lead Pump, 30=Turbine - Vacuum Lead Seal, 31=Turbine - Vacuum Lead Pump, 32=Turbine - Vacuum High Pressure, 33=Turbine - High Condensate Drain Level, 34=Mechanical Overspeed Test in Progress, 35=Vacuum Pump Overrrun, 36=Turbine - Governor End Horizontal Vibration, 37=Turbine - Governor End Vertical Vibration, 38=Turbine - Shaft End Horizontal Vibration, 39=Turbine - Governor End Vertical Vibration, 40=Evaporator Low pressure Override, 41=Condenser High pressure Override, 42=Turbine Power Limiter Override, 43=Auto Capacity Control Unavailable, 44=Condenser or VGD sensor Failure, 45=Conditions Override VGD"
  },
  {
   "type": "MV",
   "instance": 5,
   "name": "UNIT CONTROL SOURCE",
   "description": "Unit Control Source",
   "units": "",
   "access": "R",
   "states": "0=Local, 1=ISN, 2=Analog, 3=Digital, 4=Modem"
  },
  {
   "type": "MV",
   "instance": 6,
   "name": "TURBINE STATUS CODE",
   "description": "Turbine Status Code",
   "units": "",
   "access": "R",
   "states": "1=Stopped, 2=System Starting, 3=Ready to Begin Slow Roll (Manual), 4=Waiting for Steam Flow (Manual) / System Starting (Auto) / Slow Rolling, 5=Turbine Idling - High Exhaust Pressure, 6=Ready to Run (Manual), 7=Ready to Run (Auto) / Ramping to Rated Speed, 8=Stabilizing, 9=Running, 10=Unloading Before Shutdown, 11=Compressor Shutdown; Turbine Cooldown"
  },
  {
   "type": "MV",
   "instance": 7,
   "name": "UNIT MODIF RUN FLT CODE",
   "description": "Unit Modified Run Fault Code",
   "units": "",
   "access": "R",
   "states": "1=No Modified Run Conditions Present, 2=Leaving Chilled Liquid Control, 3=Vanes Closing Before Shutdown, 4=Slide Valve Unloading before Shutdown, 5=Seal Lube in Process"
  },
  {
   "type": "MV",
   "instance": 8,
   "name": "UNIT INHIBIT FAULT CODE",
   "description": "Unit Inhibit Fault Code",
   "units": "",
   "access": "R",
   "states": "1=No Start Inhibits Present, 2=Vane Motor Switch Open, 3=Turbine Vibration Sensor Fault, 4=Vanes Uncalibrated, 5=Compressor Vibration Sensor Fault"
  },
  {
   "type": "MV",
   "instance": 9,
   "name": "UNIT INTERNAL FAULT CODE",
   "description": "Unit Internal Fault Code",
   "units": "",
   "access": "R",
   "states": "1=No Internal Faults Present, 2=Internal Error- No timer Handles Available, 3=Watchdog- Software Reboot, 4=Internal Error- Cannot create Task"
  },
  {
   "type": "AV",
   "instance": 30,
   "name": "THRUST BEARING PROX POS",
   "description": "High Speed Thrust Bearing Proximity Position",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 31,
   "name": "THRUST BEARING PROX REF",
   "description": "High Speed Thrust Bearing Proximity Reference",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 32,
   "name": "TURBINE GOV END BRG TEMP",
   "description": "Turbine Governor End Bearing Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 33,
   "name": "TURBINE SHF END BRG TEMP",
   "description": "Turbine Shaft End Bearing Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 34,
   "name": "HOTWELL CONDENSATE LVL",
   "description": "Hotwell Condensate Level",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 35,
   "name": "EVAP REFRIG LIQ TEMP",
   "description": "Evaporator Refrigerant Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 36,
   "name": "COND REFRIG LIQ TEMP",
   "description": "Condenser Refrigerant Liquid Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 37,
   "name": "CHILL LIQ FLOW SENSOR",
   "description": "Chilled Liquid Flow Sensor",
   "units": "GPM",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 38,
   "name": "COND LIQ FLOW SENSOR",
   "description": "Condenser Liquid Flow Sensor",
   "units": "GPM",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 39,
   "name": "STEAM FLOW SENSOR",
   "description": "Steam Flow Sensor",
   "units": "Lb/Hr",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 40,
   "name": "HOTGAS BYPASS VLV POS",
   "description": "Hotgas Bypass Valve Position",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 41,
   "name": "GOVERNOR VLV POS",
   "description": "Governor Valve Position",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 43,
   "name": "SLOW ROLL TIME REMAINING",
   "description": "Slow Roll Time Remaining",
   "units": "Min",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 26,
   "name": "TURBINE AUX OIL PMP CONT",
   "description": "Turbine Auxiliary Oil Pump Contactor",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 27,
   "name": "TURBINE AUX OIL PMP CONA",
   "description": "Turbine auxiliary oil pump contactor auxiliary contact",
   "units": "",
   "access": "R",
   "states": "0=Open, 1=Closed"
  },
  {
   "type": "BV",
   "instance": 28,
   "name": "TURBINE OIL CLRW SOL VLV",
   "description": "Turbine Oil Cooler Water Solenoid Valve",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 29,
   "name": "ALARM HORN",
   "description": "Alarm Horn",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/york/yst-sc-eq",
 "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"
}