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Water-cooled centrifugal chiller (via SC-EQ card) · BACnet points list
York YK Centrifugal Chiller (SC-EQ) BACnet points list
Updated 28 October 2026
The YK's SC-EQ card puts the chiller on a BACnet MS/TP trunk (it also speaks Modbus RTU and N2). It exposes remote run/stop and setpoint objects, temperatures and pressures, motor and drive data, and operation, fault and warning codes as MV objects with matching AV copies. Drive points depend on the starter: variable speed drive (VSD, including Raptyr), solid-state starter (SSS) or electromechanical.
This page lists 127 BACnet objects for the York YK Centrifugal Chiller (SC-EQ) — 5 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from York’s own free documentation, linked below.
- Manufacturer
- York
- Model
- YK Centrifugal Chiller (SC-EQ)
- Equipment
- Water-cooled centrifugal chiller (via SC-EQ card)
- Equipment type
- Chillers
- BACnet objects
- 127 (5 writable)
- Transport
- BACnet MS/TP
- Firmware
- SC-EQ software 4.2.0.20
- Default device instance
- 5000 + MAC address
- Also known as
- YK, YORK YK, SC-EQ, SC-EQUIP, SE-SCC1001-1, OptiView
- Source document
- YK SC-EQ BAS Points List · rev. Rev 2.9, 2021-12-08
Reference only, provided as-is: verify against York’s current documentation and the live device before use. Not official York information. Terms of use.
BMS integration notes: York YK Centrifugal Chiller (SC-EQ)
Wire the BAS to the SC-EQ J12 RS-485 port, set the MAC address on the DIP switch and let the card detect BACnet MS/TP. Write the remote run/stop, leaving chilled liquid setpoint and current limit, then read motor run status, the operation code, leaving chilled liquid temperature, % FLA and the safety fault code. Check MV 5 and MV 10-13 to confirm the chiller is taking its commands from the BAS.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| BV 1 | REM RUN STOP CMD | Remote run/stop (1 = run) | Command |
| AV 1 | REM LEAVING CHL TEMP SP | Remote leaving chilled liquid setpoint | Command |
| AV 2 | REMOTE CURRENT SP | Remote motor current limit, % | Command |
| MV 1 | UNIT OPERATION CODE | Operating state (stopped, starting, running) | Read |
| BV 5 | COMPR MOTOR STATUS | Compressor motor running | Read |
| MV 5 | UNIT CONTROL SOURCE | Control source; ISN (BAS) for BMS control | Read |
| AV 5 | LEAVING CH LIQ TEMP | Leaving chilled liquid temperature | Read |
| AV 12 | MOTOR CURRENT PCT FLA | Motor current, % FLA (load indication) | Read |
| MV 2 | UNIT SAFETY FAULT CODE | Safety shutdown code (1 = none) | Read |
| MV 3 | UNIT CYCLING FAULT CODE | Cycling shutdown code (1 = none) | Read |
Enable & remote start
BV 1 REM RUN STOP CMD (0 = Stop, 1 = Run) is the BAS run/stop, and the REM AVs are the remote setpoints. MV 5 Unit Control Source shows Local, ISN (BAS), Analog, Digital, Modem or Remote. MV 10 shows the run/stop source (Local, BAS, Hardwire) and MV 11-13 the cooling setpoint, heating setpoint and current limit sources (Local, BAS, 0-10 V, 4-20 mA, PWM); check they read BAS. The points list has no write-enable point and doesn't say how the source is chosen at the chiller panel.
Network 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.
- Turn the card's RS-485 end-of-line switches on only when it is at the end of the trunk.
Watch out for
- The BAS port is RS-485 only (BACnet MS/TP, Modbus RTU or N2); the card has no BACnet IP port.
- AV 13-18 and AV 121-122 change meaning with the starter: VSD values on a VSD chiller, solid-state starter (SSS) values on an SSS chiller.
- Remote setpoints show as unreliable until the BAS has written them once.
- The card only exposes points that apply to the detected chiller and its options. Replacing an E-Link leaves the old, non-applicable points offline in the BAS until you rediscover the device.
- Code points come in pairs: the MV state is the code + 1, and the AV copy (AV 401 and up) carries the raw code.
York YK Centrifugal Chiller (SC-EQ) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
Note: the source document has no read/write column, so access here is inferred from the object type (inputs read-only, values writable). Confirm on the live controller before writing.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AVmin | 1 | REM LEAVING CHL TEMP SP | Remote Leaving Chilled Liquid Setpoint | °F | Command | |
| AVmin | 2 | REMOTE CURRENT SP | Remote Current Limit Setpoint | % | Command | |
| AV | 3 | REM HEATING SP | Remote Heating Setpoint | °F | Command | |
| BVmin | 1 | REM RUN STOP CMD | Remote Run/Stop | Command | 0=Stop, 1=Run | |
| MV | 65001 | Units | Unit system reported by the SC-EQ | Write | 0=IP (English), 1=SI (Metric) | |
| AVmin | 5 | LEAVING CH LIQ TEMP | Leaving Chilled Liquid Temperature | °F | Read | |
| AV | 6 | ENTERING CH LIQ TEMP | Entering Chilled Liquid Temperature | °F | Read | |
| AV | 7 | EVAPORATOR PRESSURE | Evaporator Pressure | PSIG | Read | |
| AV | 8 | CONDENSER PRESSURE | Condenser Pressure | PSIG | Read | |
| AV | 9 | OIL PRESSURE DIFERENTIAL | Oil Pressure Differential | PSID | Read | |
| AV | 10 | ENTERING COND WATER TEMP | Entering Condenser Liquid Temperature | °F | Read | |
| AV | 11 | LEAVING COND WATER TEMP | Leaving Condenser Liquid Temperature | °F | Read | |
| AVmin | 12 | MOTOR CURRENT PCT FLA | Motor % Full Load Amps | % | Read | |
| AV | 13 | VSD PHASE A OUTPUT CURRENT / MOTOR PHASE A CURRENT | Phase A current: VSD output (VSD) or motor (SSS) | Amps | Read | |
| AV | 14 | VSD PHASE B OUTPUT CURRENT / MOTOR PHASE B CURRENT | Phase B current: VSD output (VSD) or motor (SSS) | Amps | Read | |
| AV | 15 | VSD PHASE C OUTPUT CURRENT / MOTOR PHASE C CURRENT | Phase C current: VSD output (VSD) or motor (SSS) | Amps | Read | |
| AV | 16 | VSD RMS INPUT CURRENT L1 / MOTOR PHASE A VOLTAGE | VSD L1 input current (Raptyr VSD) or motor phase A voltage (SSS) | Amps / Volts | Read | |
| AV | 17 | VSD RMS INPUT CURRENT L2 / MOTOR PHASE B VOLTAGE | VSD L2 input current (Raptyr VSD) or motor phase B voltage (SSS) | Amps / Volts | Read | |
| AV | 18 | VSD RMS INPUT CURRENT L3 / MOTOR PHASE C VOLTAGE | VSD L3 input current (Raptyr VSD) or motor phase C voltage (SSS) | Amps / Volts | Read | |
| AV | 19 | LEAVING CH LIQ TEMP ACT SP | Leaving Chilled Liquid Setpoint - Selected | °F | Read | |
| AV | 20 | CURRENT LIMIT ACTIVE SP | Active Current Limit | % | Read | |
| AV | 21 | EVAP SATURATION TEMP | Evaporator Saturation Temperature | °F | Read | |
| AV | 22 | COND SATURATION TEMP | Condenser Saturation Temperature | °F | Read | |
| AV | 23 | DISCHARGE TEMP | Discharge Temperature | °F | Read | |
| AV | 24 | OIL SUMP TEMPERATURE | Oil Sump Temperature | °F | Read | |
| AV | 25 | COND REFRIGERANT LEVEL | Condenser Refrigerant Level | % | Read | |
| AV | 26 | OPERATING HOURS | Operating Hours | Hr | Read | |
| AV | 27 | NUMBER OF STARTS | Number Of Starts | Read | ||
| AV | 28 | OIL SUMP PRESSURE | Oil Sump Pressure | PSIG | Read | |
| AV | 29 | OIL PUMP PRESSURE | Oil Pump Pressure | PSIG | Read | |
| BVmin | 5 | COMPR MOTOR STATUS | Motor Run | Read | 0=Off, 1=On | |
| BV | 6 | LIQUID LINE SOLENOID | Liquid Line Solenoid | Read | 0=Off, 1=On | |
| BV | 7 | CH LIQ PUMP STAT | Chilled Liquid Pump | Read | 0=Off, 1=On | |
| BV | 8 | START STOP SWITCH STATUS | Panel Stop Switch | Read | 0=Off, 1=On | |
| BV | 9 | CH LIQ FLOW SWITCH STAT | Chilled Liquid Flow Switch | Read | 0=Open, 1=Closed | |
| BV | 10 | CND FLOW SWITCH STAT | Condenser Liquid Flow Switch | Read | 0=Open, 1=Closed | |
| BV | 11 | CND LIQ PUMP STAT | Condenser Liquid Pump | Read | 0=Off, 1=On | |
| BV | 19 | VSD COOLING SYS STAT | VSD Cooling System (VSD only) | Read | 0=Off, 1=On | |
| BV | 20 | VSD HARMONIC FILTER INST | Harmonic Filter Installed (VSD only) | Read | 0=False, 1=True | |
| MVmin | 1 | UNIT OPERATION CODE | Unit Operation Code | Read | 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, 13=Unit Running - Modified Run, 14=Unit Stopped - Internal Shutdown, 22=Unit Running - Cooling - No Abnormal Condition, 23=Unit Running - Cooling - Warning Active, 24=Unit Running - Cooling - Modified Run, 25=Unit Running - Heating - No Abnormal Condition, 26=Unit Running - Heating - Warning Active, 27=Unit Running - Heating - Modified Run, 28=Unit Running - Cooling & Heating - No Abnormal Condition, 29=Unit Running - Cooling & Heating - Warning Active, 30=Unit Running - Cooling & Heating - Modified Run | |
| AV | 401 | UNIT OPERATION CODE AV | Unit Operation Code, raw code (MV 1 shows code + 1) | Read | ||
| MVmin | 2 | UNIT SAFETY FAULT CODE | Unit Safety Fault Code | Read | 1=No Safety Faults Present; other values (up to 186) are YK Safety Fault Code table SC.2 codes plus 1 (182 codes listed in the source doc) | |
| AV | 402 | UNIT SAFETY FAULT CODE AV | Unit Safety Fault Code, raw code (MV 2 shows code + 1) | Read | ||
| MVmin | 3 | UNIT CYCLING FAULT CODE | Unit Cycling Fault Code | Read | 1=No Cycling Faults Present; other values (up to 211) are YK Cycling Fault Code table SC.3 codes plus 1 (205 codes listed in the source doc) | |
| AV | 403 | UNIT CYCLING FAULT CODE AV | Unit Cycling Fault Code, raw code (MV 3 shows code + 1) | Read | ||
| MV | 4 | UNIT WARNING CODE | Unit Warning Code | Read | 1=No Warnings Present; other values (up to 152) are YK Warning Code table SC.4 codes plus 1 (147 codes listed in the source doc) | |
| AV | 404 | UNIT WARNING CODE AV | Unit Warning Code, raw code (MV 4 shows code + 1) | Read | ||
| MVmin | 5 | UNIT CONTROL SOURCE | Unit Control Source | Read | 0=Local, 1=ISN (BAS), 2=Analog, 3=Digital, 4=Modem, 5=Remote | |
| AV | 405 | UNIT CONTROL SOURCE AV | Unit Control Source, same codes as MV 5 | Read | 0=Local, 1=ISN (BAS), 2=Analog, 3=Digital, 4=Modem, 5=Remote | |
| MV | 6 | UNIT MODIFIED RUN CODE | Unit Modified Run Code | Read | 1=No Modified Run Conditions Present, 5=Motor - Pulldown Limit, 6=Motor - High Current Limit, 7=Motor Controller - Input Pulldown Limit, 8=Motor Controller - High Input Power Limit, 9=Load Control Mode, 10=COMPRESSOR - SUCTION FLOW LIMIT, 11=VSD - DC BUS ACTIVE, 12=VSD - Input Pulldown Limit, 13=VSD - High Input Current Limit, 14=Discharge – Low Superheat Limit, 15=ECON MOTOR – HIGH CURRENT LIMIT, 16=ECON SEAL LUBRICATION IN PROGRESS, 17=ECON ECONOMIZER – RUN DISABLED, 18=ECON ECONOMIZER – NO DEMAND, 19=ECON COMPRESSOR – NO DEMAND (ECON STOPPED), 20=SEAL LUBRICATION IN PROGRESS | |
| AV | 406 | UNIT MODIFIED RUN CODE AV | Unit Modified Run Code, raw code (MV 6 shows code + 1) | Read | ||
| MV | 7 | UNIT START INHIBIT CODE | Unit Start Inhibit Code | Read | 1=No Inhibit Faults Present, 2=ANTI-RECYCLE, 3=Vane Motor Switch Open, 4=MOTOR CURRENT > 15 %FLA, 5=LCSSS - HIGH PHASE A HEATSINK TEMPERATURE - STOPPED, 6=LCSSS - HIGH PHASE B HEATSINK TEMPERATURE - STOPPED, 7=LCSSS - HIGH PHASE C HEATSINK TEMPERATURE - STOPPED, 8=MOTOR CONTROLLER - INITIALIZATION IN PROGRESS, 9=VSD - FREQUENCY > 0 HZ, 10=MVSSS - HIGH HEATSINK TEMPERATURE - STOPPED, 11=Line Voltage Not Set, 12=Line Frequency Not Set, 13=Oil - High Sump Pressure - Stopped, 14=VGD Actuator - Feedback Not Calibrated, 15=VGD Actuator - Limit Switch Open, 16=PRV Not Calibrated, 17=VGD Actuator - Stroke Not Calibrated, 18=MBC - INITIALIZATION IN PROGRESS, 19=MBC - BEARING CALIBRATION IN PROGRESS, 20=MBC - BEARING CLEARANCE CHECK IN PROGRESS, 21=MVSSS - HIGH HEATSINK 1 TEMPERATURE - STOPPED, 22=MVSSS - HIGH HEATSINK 2 TEMPERATURE - STOPPED, 23=MVSSS - HIGH HEATSINK 3 TEMPERATURE - STOPPED | |
| AV | 407 | UNIT START INHIBIT CODE AV | Unit Start Inhibit Code, raw code (MV 7 shows code + 1) | Read | ||
| MV | 8 | UNIT INTERNAL FAULT CODE | Unit Internal Fault Code | Read | 1=No Internal Faults Present, 2=Internal Error - No Timer Handles Available, 3=Watchdog - Software Reboot, 4=Internal Error - Cannot Create Task, 6=INTERNAL ERROR - INVALID BRAM | |
| AV | 408 | UNIT INTERNAL FAULT CODE AV | Unit Internal Fault Code, raw code (MV 8 shows code + 1) | Read | ||
| AV | 30 | PROX SENSOR ACT POS | High Speed Thrust Bearing Proximity Position (J, K and U Compressors Only) | Mils | Read | |
| AV | 31 | PROX SENSOR REF POS | High Speed Thrust Bearing Proximity Reference (J, K and U Compressors Only) | Mils | Read | |
| AV | 32 | ANTI RECYCLE TIME REMAIN | Anti-Recycle Time Remaining | Min | Read | |
| AV | 33 | INPUT CURRENT PCT FLA | Input % Full Load Amps (Raptyr VSD only) | % | Read | |
| AV | 34 | VSD OUTPUT VOLTAGE | VSD Output Voltage (VSD only) | Volts | Read | |
| AV | 35 | VSD INPUT POWER | VSD Input Power (VSD only) | kW | Read | |
| AV | 36 | VSD INPUT KWH | VSD Input Kilowatt Hours (VSD only) | kWh | Read | |
| AV | 37 | VSD DC BUS VOLTAGE | VSD DC Bus Voltage (VSD only) | Volts | Read | |
| AV | 38 | VSD DC BUS CURRENT | VSD DC Bus Current (Non-Raptyr LVVSD VSD only) | Amps | Read | |
| AV | 39 | ACC SURGE COUNT | ACC Surge Count (VSD only) | Read | ||
| AV | 40 | VSD OUTPUT FREQUENCY | VSD Output Frequency (VSD only) | Hz | Read | |
| AV | 41 | FILTER MAX VOLTAGE THD | Harmonic Filter Max Voltage Total Harmonic Distortion | % | Read | |
| AV | 42 | FILTER MAX CURRENT TDD | Harmonic Filter Max Current Total Demand Distortion | % | Read | |
| AV | 43 | FILTER SUPPLY KVA | Harmonic Filter Total Supply KVA (LVVSD with Harmonic Filter or Raptyr VSD) | kVA | Read | |
| AV | 105 | MTR SHAFT END VIBR | Motor Bearing Shaft End Vibration (motor monitoring option) | Read | ||
| AV | 106 | MTR OP SHAFT END VIBR | Motor Bearing Opposite Shaft End Vibration (motor monitoring option) | Read | ||
| AV | 107 | MTR SHAFT END TEMP | Motor Bearing Shaft End Temperature (motor monitoring option) | °F | Read | |
| AV | 108 | MTR OP SHAFT END TEMP | Motor Bearing Opposite Shaft End Temperature (motor monitoring option) | °F | Read | |
| AV | 109 | MTR WINDING AVG TEMP | Average Winding Temperature (motor monitoring option) | °F | Read | |
| AV | 110 | VSD INTERNAL AMBIENT TEMP | VSD Internal Ambient Temp (LVVSD only) | °F | Read | |
| AV | 111 | VSD CONVERTER HSINK TEMP | VSD Converter Heatsink Temp (LVVSD only) | °F | Read | |
| AV | 112 | PRE ROTATION VANES POS | Pre Rotation Vanes (PRV) Position (VSD, VGD or HGBP only) | % | Read | |
| AV | 113 | ACC MAP OUTPUT FREQ | ACC Map Output Frequency (VSD only) | Hz | Read | |
| AV | 114 | COND REFRIGERANT LEVEL SP | Condenser Refrigerant Level Setpoint | % | Read | |
| AV | 115 | DROP LEG REFRIG TEMP | Drop Leg Refrigerant Temperature (Drop Leg Temp Enabled only) | °F | Read | |
| AV | 116 | LEAVING HEAT COND LIQ TEMP | Leaving Heating Condenser Liquid Temperature (Heat Recovery only) | °F | Read | |
| AV | 117 | HEATING ACTIVE SP | Active Heating Setpoint (heat pump or heat recovery hot water) | °F | Read | |
| AV | 118 | HEAT REC HEAD PRESS VLV CMD | Heat Recovery/Head Pressure Control Valve Cmd (head pressure control or heat recovery) | % | Read | |
| AV | 119 | INPUT POWER | Input Power (SSS only) | kW | Read | |
| AV | 120 | INPUT KWH | Input Kilowatt Hours (SSS only) | kWh | Read | |
| AV | 121 | INPUT KWH LO SSS / INPUT KWH LO | Input kWh, low part (SSS or VSD) | Read | ||
| AV | 122 | INPUT KWH OFFSET SSS / INPUT KWH OFFSET | Input kWh, offset part x 10,000 (SSS or VSD) | Read | ||
| AV | 123 | OPERATING HOURS LO | Operating Hours Low | Read | ||
| AV | 124 | OPERATING HOURS OFFSET | Operating Hours Offset | Read | ||
| AV | 126 | HP LEAVING COND LIQ SP LOCAL | Local Leaving Condenser Liquid Setpoint (heat pump or heat recovery hot water) | °F | Read | |
| AV | 127 | HOT GAS BYPASS COMMAND | Hot Gas Bypass Command (Hot Gas Bypass enabled only) | % | Read | |
| AV | 128 | EVAP REFRIGERANT TEMP | Evaporator Refrigerant Temperature (Evaporator Refrigerant Temperature enabled only) | °F | Read | |
| BV | 105 | COND REF LEVEL CNTRL MODE | Condenser Level Control Valve Mode | Read | 0=Auto, 1=Manual | |
| AV | 130 | MTR WINDING PH A TEMP | Motor Winding Phase A Temperature (motor monitoring option) | °F | Read | |
| AV | 131 | MTR WINDING PH B TEMP | Motor Winding Phase B Temperature (motor monitoring option) | °F | Read | |
| AV | 132 | MTR WINDING PH C TEMP | Motor Winding Phase C Temperature (motor monitoring option) | °F | Read | |
| AV | 133 | MTR WINDING PH A2 TEMP | Motor Winding Phase A2 Temperature (motor monitoring option) | °F | Read | |
| AV | 134 | MTR WINDING PH B2 TEMP | Motor Winding Phase B2 Temperature (motor monitoring option) | °F | Read | |
| AV | 135 | MTR WINDING PH C2 TEMP | Motor Winding Phase C2 Temperature (motor monitoring option) | °F | Read | |
| AV | 136 | VSD OIL PUMP CMD FREQUENCY | VSD Oil Pump Command Frequency | Hz | Read | |
| AV | 137 | ENTERING HEAT COND LIQ TEMP | Entering Heating Condenser Liquid Temperature (Heat Recovery only) | °F | Read | |
| AV | 138 | VSD PH A REC BASEPLATE TEMP | VSD Phase A Rectifier Baseplate Temperature (Raptyr VSD only) | °F | Read | |
| AV | 139 | VSD PH B REC BASEPLATE TEMP | VSD Phase B Rectifier Baseplate Temperature (Raptyr VSD only) | °F | Read | |
| AV | 140 | VSD PH C REC BASEPLATE TEMP | VSD Phase C Rectifier Baseplate Temperature (Raptyr VSD only) | °F | Read | |
| AV | 141 | VSD PH A HEATSINK TEMP | VSD Phase A Heatsink Temperature / Baseplate Temperature (Non-Raptyr LVVSD VSD only) | °F | Read | |
| AV | 142 | VSD PH B HEATSINK TEMP | VSD Phase B Heatsink Temperature (Non-Raptyr LVVSD VSD only) | °F | Read | |
| AV | 143 | VSD PH C HEATSINK TEMP | VSD Phase C Heatsink Temperature (Non-Raptyr LVVSD VSD only) | °F | Read | |
| AV | 144 | EVAP SMALL TEMP DIFF | Evaporator Small Temp Difference | °F (diff) | Read | |
| AV | 145 | COND SMALL TEMP DIFF | Condenser Small Temp Difference | °F (diff) | Read | |
| AV | 146 | DISCHARGE SUPERHEAT | Discharge Superheat | °F (diff) | Read | |
| AV | 147 | SUBCOOLER EFFECTIVENESS | Subcooler Effectiveness (Drop Leg Temp Enabled only) | Read | ||
| AV | 148 | SUBCOOLING TEMP | Subcooling Temperature (Drop Leg Temp Enabled only) | °F (diff) | Read | |
| AV | 149 | DELTA P DIV P | Delta P / P | Read | ||
| AV | 150 | HEAD PRESSURE | Head Pressure | PSID | Read | |
| AV | 151 | STALL VOLTAGE | Stall Voltage | Volts | Read | |
| MV | 10 | RUN STOP CTRL SOURCE | Run/Stop Control Source | Read | 0=Local, 1=BAS, 2=Hardwire | |
| AV | 421 | RUN STOP CTRL SOURCE AV | Run/Stop Control Source, same codes as MV 10 | Read | 0=Local, 1=BAS, 2=Hardwire | |
| MV | 11 | COOL SETP CTRL SOURCE | Cooling Setp Control Source | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| AV | 422 | COOL SETP CTRL SOURCE AV | Cooling Setp Control Source, same codes as MV 11 | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| MV | 12 | HEAT SETP CTRL SOURCE | Heating Setp Control Source | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| AV | 423 | HEAT SETP CTRL SOURCE AV | Heating Setp Control Source, same codes as MV 12 | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| MV | 13 | CURR LIM CTRL SOURCE | Current Limit Control Source | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| AV | 424 | CURR LIM CTRL SOURCE AV | Current Limit Control Source, same codes as MV 13 | Read | 0=Local, 1=BAS, 2=0-10 Volts, 3=4-20 mA, 4=PWM | |
| AV | 152 | SURGE AVOIDANCE SURGE COUNT | Surge Avoidance Surge Count | Read | ||
| AV | 153 | SSS PHASE A TEMP | SSS Phase A Temperature (LCSSS only) | °F | Read | |
| AV | 154 | SSS PHASE B TEMP | SSS Phase B Temperature (LCSSS only) | °F | Read | |
| AV | 155 | SSS PHASE C TEMP | SSS Phase C Temperature (LCSSS only) | °F | Read |
No points match these filters.
Object ID lookup: York YK Centrifugal Chiller point IDs by name
AV1REM LEAVING CHL TEMP SPAV2REMOTE CURRENT SPAV3REM HEATING SPBV1REM RUN STOP CMDMV65001UnitsAV5LEAVING CH LIQ TEMPAV6ENTERING CH LIQ TEMPAV7EVAPORATOR PRESSUREAV8CONDENSER PRESSUREAV9OIL PRESSURE DIFERENTIALAV10ENTERING COND WATER TEMPAV11LEAVING COND WATER TEMPAV12MOTOR CURRENT PCT FLAAV13VSD PHASE A OUTPUT CURRENT / MOTOR PHASE A CURRENTAV14VSD PHASE B OUTPUT CURRENT / MOTOR PHASE B CURRENTAV15VSD PHASE C OUTPUT CURRENT / MOTOR PHASE C CURRENTAV16VSD RMS INPUT CURRENT L1 / MOTOR PHASE A VOLTAGEAV17VSD RMS INPUT CURRENT L2 / MOTOR PHASE B VOLTAGEAV18VSD RMS INPUT CURRENT L3 / MOTOR PHASE C VOLTAGEAV19LEAVING CH LIQ TEMP ACT SPAV20CURRENT LIMIT ACTIVE SPAV21EVAP SATURATION TEMPAV22COND SATURATION TEMPAV23DISCHARGE TEMPAV24OIL SUMP TEMPERATUREAV25COND REFRIGERANT LEVELAV26OPERATING HOURSAV27NUMBER OF STARTSAV28OIL SUMP PRESSUREAV29OIL PUMP PRESSUREBV5COMPR MOTOR STATUSBV6LIQUID LINE SOLENOIDBV7CH LIQ PUMP STATBV8START STOP SWITCH STATUSBV9CH LIQ FLOW SWITCH STATBV10CND FLOW SWITCH STATBV11CND LIQ PUMP STATBV19VSD COOLING SYS STATBV20VSD HARMONIC FILTER INSTMV1UNIT OPERATION CODEAV401UNIT OPERATION CODE AVMV2UNIT SAFETY FAULT CODEAV402UNIT SAFETY FAULT CODE AVMV3UNIT CYCLING FAULT CODEAV403UNIT CYCLING FAULT CODE AVMV4UNIT WARNING CODEAV404UNIT WARNING CODE AVMV5UNIT CONTROL SOURCEAV405UNIT CONTROL SOURCE AVMV6UNIT MODIFIED RUN CODEAV406UNIT MODIFIED RUN CODE AVMV7UNIT START INHIBIT CODEAV407UNIT START INHIBIT CODE AVMV8UNIT INTERNAL FAULT CODEAV408UNIT INTERNAL FAULT CODE AVAV30PROX SENSOR ACT POSAV31PROX SENSOR REF POSAV32ANTI RECYCLE TIME REMAINAV33INPUT CURRENT PCT FLAAV34VSD OUTPUT VOLTAGEAV35VSD INPUT POWERAV36VSD INPUT KWHAV37VSD DC BUS VOLTAGEAV38VSD DC BUS CURRENTAV39ACC SURGE COUNTAV40VSD OUTPUT FREQUENCYAV41FILTER MAX VOLTAGE THDAV42FILTER MAX CURRENT TDDAV43FILTER SUPPLY KVAAV105MTR SHAFT END VIBRAV106MTR OP SHAFT END VIBRAV107MTR SHAFT END TEMPAV108MTR OP SHAFT END TEMPAV109MTR WINDING AVG TEMPAV110VSD INTERNAL AMBIENT TEMPAV111VSD CONVERTER HSINK TEMPAV112PRE ROTATION VANES POSAV113ACC MAP OUTPUT FREQAV114COND REFRIGERANT LEVEL SPAV115DROP LEG REFRIG TEMPAV116LEAVING HEAT COND LIQ TEMPAV117HEATING ACTIVE SPAV118HEAT REC HEAD PRESS VLV CMDAV119INPUT POWERAV120INPUT KWHAV121INPUT KWH LO SSS / INPUT KWH LOAV122INPUT KWH OFFSET SSS / INPUT KWH OFFSETAV123OPERATING HOURS LOAV124OPERATING HOURS OFFSETAV126HP LEAVING COND LIQ SP LOCALAV127HOT GAS BYPASS COMMANDAV128EVAP REFRIGERANT TEMPBV105COND REF LEVEL CNTRL MODEAV130MTR WINDING PH A TEMPAV131MTR WINDING PH B TEMPAV132MTR WINDING PH C TEMPAV133MTR WINDING PH A2 TEMPAV134MTR WINDING PH B2 TEMPAV135MTR WINDING PH C2 TEMPAV136VSD OIL PUMP CMD FREQUENCYAV137ENTERING HEAT COND LIQ TEMPAV138VSD PH A REC BASEPLATE TEMPAV139VSD PH B REC BASEPLATE TEMPAV140VSD PH C REC BASEPLATE TEMPAV141VSD PH A HEATSINK TEMPAV142VSD PH B HEATSINK TEMPAV143VSD PH C HEATSINK TEMPAV144EVAP SMALL TEMP DIFFAV145COND SMALL TEMP DIFFAV146DISCHARGE SUPERHEATAV147SUBCOOLER EFFECTIVENESSAV148SUBCOOLING TEMPAV149DELTA P DIV PAV150HEAD PRESSUREAV151STALL VOLTAGEMV10RUN STOP CTRL SOURCEAV421RUN STOP CTRL SOURCE AVMV11COOL SETP CTRL SOURCEAV422COOL SETP CTRL SOURCE AVMV12HEAT SETP CTRL SOURCEAV423HEAT SETP CTRL SOURCE AVMV13CURR LIM CTRL SOURCEAV424CURR LIM CTRL SOURCE AVAV152SURGE AVOIDANCE SURGE COUNTAV153SSS PHASE A TEMPAV154SSS PHASE B TEMPAV155SSS PHASE C TEMP
Integration notes
- Points list for the SC-EQ (SC-EQUIP) communication card, which replaced the E-Link gateway. The list has no read/write column: the REM remote command/setpoint objects are treated as commandable and MV 65001 Units as writable; everything else as read-only.
- Two object sets share instances by starter type: AV 13-18 and AV 121-122 change meaning with the starter: VSD values on a VSD chiller, solid-state starter (SSS) values on an SSS chiller. They are listed once here with both names.
- Operating hours and kWh are also split into Low and Offset AVs: total = Offset x 10,000 + Low.
- Units shown are the IP units; with MV 65001 set to SI the card reports °C, kPa and so on.
- 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; the AV copies (AV 401 and up) carry the raw code. 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.
- Long fault and warning code tables are summarised in the MV states; the full text is in the source document.
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the YK Centrifugal Chiller (SC-EQ) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the York YK Centrifugal Chiller (SC-EQ)
How many BACnet points does the York YK Centrifugal Chiller (SC-EQ) have?
This list has 127 BACnet objects: 103 analog values, 11 binary values, 13 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which York YK Centrifugal Chiller (SC-EQ) BACnet points are writable?
5 of the 127 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done. The source has no read/write column, so this is inferred from object type.
Where is the official York YK Centrifugal Chiller (SC-EQ) BACnet documentation?
The source is YK SC-EQ BAS Points List, revision Rev 2.9, 2021-12-08, published free by York at https://docs.johnsoncontrols.com/chillers/api/khub/documents/9LF9qQ7NhF9Hi4mdLkiTHg/content.
What are the minimum BACnet points to integrate the York YK Centrifugal Chiller (SC-EQ)?
Start with BV 1 REM RUN STOP CMD (Remote run/stop (1 = run)); AV 1 REM LEAVING CHL TEMP SP (Remote leaving chilled liquid setpoint); AV 2 REMOTE CURRENT SP (Remote motor current limit, %); MV 1 UNIT OPERATION CODE (Operating state (stopped, starting, running)); BV 5 COMPR MOTOR STATUS (Compressor motor running); MV 5 UNIT CONTROL SOURCE (Control source; ISN (BAS) for BMS control); AV 5 LEAVING CH LIQ TEMP (Leaving chilled liquid temperature); AV 12 MOTOR CURRENT PCT FLA (Motor current, % FLA (load indication)); MV 2 UNIT SAFETY FAULT CODE (Safety shutdown code (1 = none)); MV 3 UNIT CYCLING FAULT CODE (Cycling shutdown code (1 = none)).
How do I enable BMS control of the York YK Centrifugal Chiller (SC-EQ)?
BV 1 REM RUN STOP CMD (0 = Stop, 1 = Run) is the BAS run/stop, and the REM AVs are the remote setpoints. MV 5 Unit Control Source shows Local, ISN (BAS), Analog, Digital, Modem or Remote. MV 10 shows the run/stop source (Local, BAS, Hardwire) and MV 11-13 the cooling setpoint, heating setpoint and current limit sources (Local, BAS, 0-10 V, 4-20 mA, PWM); check they read BAS. The points list has no write-enable point and doesn't say how the source is chosen at the chiller panel.
How do I check these points on the real YK Centrifugal Chiller (SC-EQ)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More York BACnet points lists
- Centrifugal chiller retrofit control panel (via SC-EQ card)
York Competitive Retrofit Chiller Panel (SC-EQ)
Other makers' centrifugal chillers retrofitted with a YORK by Johnson Controls OptiView-style control panel and the SC-EQ communication card.
Also known as: YORK competitive retrofit, OptiView retrofit panel, CR SC-EQ, SC-EQ, SE-SCC1001-1 - Packaged rooftop unit controller (ECO2, 50-130 ton)
York ECO2 Rooftop Unit, 50-130 ton, Mod D/E (IPU 1, native BACnet MS/TP)
YORK ECO2 Mod D and Mod E packaged rooftop units, 50 to 130 tons, with the IPU 1 microboard.
Also known as: YORK ECO2, ECO 2, IPU 1, IPU1, YORK Series 100, Series 100 rooftop, ECO2 Native - Dedicated outdoor air system (DOAS) controller
York JDHA DOAS, Option D19 Space Temperature Control (BACnet MS/TP card)
YORK JDHA dedicated outdoor air units with the Option D19 space temperature control program and the BHB8 BACnet card.
Also known as: JDHA, YORK JDHA, Option D19, D19, 100.55-O1, LD18545, DOAS - Make-up air unit / DOAS controller
York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)
YORK JDMA dedicated outdoor air units with the Option D21 makeup air control program and the BHB8 BACnet card.
Also known as: JDMA, YORK JDMA, Option D21, D21, 100.55-O2, LD18456, DOAS, makeup air - Water-cooled self-contained unit controller (IPU2)
York L-Series LSWU / LSWD / LSWF Water-Cooled Self-Contained Unit, 25-105 ton (IPU2, native BACnet MS/TP)
YORK L-Series LSWU, LSWD and LSWF water-cooled self-contained air conditioning units, 25-105 ton, with the IPU2 unit controller.
Also known as: LSWU, LSWD, LSWF, L-Series, IPU2, 145.05-NOM7, YSWU, YSWD, Versecon - Rooftop unit controller
York Millennium / Series 40 Packaged Rooftop Units 25-40 Ton with IPU Control
YORK Millennium (Series 40) 25, 30 and 40 ton packaged rooftop units with the IPU control, constant volume, VAV and FlexSys versions.
Also known as: YORK Millennium, Millennium 25-40 ton, Series 40 Rooftop, YORK Series 40, IPU control, 100.50-NOM8, LD14136 - Rooftop unit (packaged, via BACnet IP gateway kit)
York Roomtop RTC/RTH-L with YKN2Open BMS kit (BACnet IP)
York (Johnson Controls Europe) Roomtop RTC/RTH-L cooling and heat pump rooftops, ACTIVA and Large ACTIVA rooftops and VITALITY VAC/VAH/VCH-VIR units with the YKN2Open control and the S606791244 BACnet IP kit.
Also known as: Roomtop RTC-L, Roomtop RTH-L, YKN2Open, S606791244, FS-QS-1010-0122, ACTIVA Rooftop, Large ACTIVA Rooftop, VITALITY VAC, VITALITY VAH, VCH-VIR, N-40462 - Scroll chiller / heat pump / condensing unit
York Scroll Chiller / Heat Pump / Condensing Unit (native BACnet MS/TP)
YORK by Johnson Controls scroll-compressor chillers, heat pumps and condensing units (including YCWL and YLAE) with the 031-02550 board and its native BAS port.
Also known as: YORK scroll chiller, YORK scroll heat pump, YCWL, YLAE, 031-02550, C.MMC.13, C.MMC.14, C.MMC.16 - Scroll chiller / heat pump / condensing unit (via SC-EQ card)
York Scroll Chiller / Heat Pump / Condensing Unit (SC-EQ)
YORK by Johnson Controls scroll-compressor chillers, heat pumps and condensing units (one or two refrigerant systems, including the YCWL) fitted with the SC-EQ communication card.
Also known as: YORK scroll chiller, YORK scroll heat pump, YORK condensing unit, YCWL, SC-EQ, SE-SCC1001-1 - Scroll chiller / heat pump (via E-Link gateway)
York Scroll Chiller / Heat Pump / Condensing Unit - BAS (ISN) E-Link (YorkTalk 2)
YORK scroll chillers, heat pumps and condensing units (board 031-02550, including YCWL and YLAE variants named on the sheet), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK scroll chiller, YCWL, YLAE, Scroll BAS, E-Link, eLink, YorkTalk 2, 031-02550 - Packaged rooftop unit controller (Series 100, 50-65 ton)
York Series 100 YPAL Rooftop, 50-65 ton, Mod F (IPU, native BACnet MS/TP)
YORK Series 100 YPAL single packaged rooftop units, 50-65 ton Mod F, with the IPU control board.
Also known as: YPAL, YORK Series 100, Series 100 rooftop, YPAL 50-65 Mod F, 100.50-NOM5, IPU - Packaged rooftop unit controller (Series 100, 70-150 ton)
York Series 100 YPAL Rooftop, 70-150 ton, Mod F/G (IPU, native BACnet MS/TP)
YORK Series 100 YPAL single packaged rooftop units, 70-105 ton Mod F and 120-150 ton Mod G, with the IPU control board.
Also known as: YPAL, YORK Series 100, Series 100 rooftop, YPAL 120-150 Mod G, YPAL 70-105 Mod F, 100.50-NOM11, 100.50-NOM9, IPU - Air-cooled variable-speed screw chiller
York YCAV / YCIV Air-Cooled Screw Chiller (native BACnet MS/TP)
YORK YCAV and YCIV air-cooled variable-speed screw chillers (up to four refrigerant systems) with the 031-03478 microboard and its native BAS port.
Also known as: YORK YCAV, YORK YCIV, 031-03478, YCAV_IV Native, Latitude - Air-cooled variable-speed screw chiller (via E-Link gateway)
York YCAV / YCIV Air-Cooled Screw Chiller - BAS E-Link (YorkTalk 2)
YORK YCAV and YCIV air-cooled screw chillers (1/2 and 3/4 compressor sections, microboard 031-02478), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YCAV, YORK YCIV, YCAV_YCIV BAS, E-Link, eLink, YorkTalk 2, 031-02478 - Water-cooled dual-compressor centrifugal chiller (via SC-EQ card)
York YD Dual-Compressor Centrifugal Chiller (SC-EQ)
YORK by Johnson Controls YD water-cooled centrifugal chillers with two compressors, fitted with the SC-EQ communication card.
Also known as: YD, YORK YD, SC-EQ, SC-EQUIP, SE-SCC1001-1, OptiView - Water-cooled centrifugal chiller (via E-Link gateway)
York YD Dual-Compressor Centrifugal Chiller - OptiView E-Link (YorkTalk 3)
YORK YD dual-compressor centrifugal chillers with OptiView panel, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YD, YD OptiView, E-Link, eLink, YorkTalk 3 - Absorption chiller, steam or hot water (via SC-EQ card)
York YIA Absorption Chiller (SC-EQ)
YORK YIA steam- or hot-water-fired absorption chillers fitted with the SC-EQ communication card.
Also known as: YORK YIA, YIA absorption, SC-EQ, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YK Centrifugal Chiller with Electro-Mechanical or Solid State Starter - OptiView E-Link (YorkTalk 3)
YORK YK centrifugal chillers with OptiView panel and an electro-mechanical or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YK, YK OptiView, YK SSS, YK EM starter, E-Link, eLink, YorkTalk 3 - Water-cooled centrifugal chiller (via E-Link gateway)
York YK Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
YORK YK centrifugal chillers with OptiView panel and variable speed drive, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YK, YK OptiView, YK VSD, E-Link, eLink, YorkTalk 3, 031-01730, 031-02430 - Water-cooled centrifugal chiller with economizer compressor (via SC-EQ card)
York YK-EP Centrifugal Chiller (SC-EQ)
YORK by Johnson Controls YK-EP (Efficiency Plus) water-cooled centrifugal chillers, which pair the main compressor with an economizer compressor, fitted with the SC-EQ communication card.
Also known as: YK-EP, YKEP, YK EP, YK-EP Efficiency Plus, SC-EQ, SC-EQUIP, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YK-EP Centrifugal Chiller with EM or SSS Starter - OptiView E-Link (YorkTalk 3)
YORK YK-EP (YKEP) centrifugal chillers with OptiView panel and electro-mechanical or solid-state starters, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YKEP, YK-EP, YKEP OptiView, E-Link, eLink, YorkTalk 3 - Water-cooled centrifugal chiller (via E-Link gateway)
York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
YORK YK-EP (YKEP) centrifugal chillers with OptiView panel and variable speed drive, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YKEP, YK-EP, YKEP OptiView, E-Link, eLink, YorkTalk 3, 031-02430 - Water-cooled centrifugal heat pump chiller (via SC-EQ card)
York YKHT Centrifugal Heat Pump Chiller, YT3 panel (SC-EQ)
YORK YKHT two-stage centrifugal heat pump chillers with the YT3 control panel, fitted with the SC-EQ communication card.
Also known as: YORK YKHT, YKHT, YT3, YT3 YKHT, SC-EQ, YKHT heat pump chiller - Air-to-water modular heat pump (four-pipe)
York YMAE Four-Pipe Modular Heat Pump
YORK YMAE air-to-water modular heat pumps with inverter compressors in the four-pipe (simultaneous heating and cooling) version.
Also known as: YORK YMAE, YMAE-130, YMAE four pipe, air-to-water heat pump - Air-to-water modular heat pump (two-pipe)
York YMAE Two-Pipe Modular Heat Pump
YORK YMAE air-to-water modular heat pumps with inverter compressors in the two-pipe (heating or cooling) version.
Also known as: YORK YMAE, YMAE two pipe, YMAE 2-pipe, air-to-water heat pump - Water-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YMC2 Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK by Johnson Controls YMC2 oil-free, magnetic-bearing centrifugal chillers with a variable speed drive, fitted with the SC-EQ communication card.
Also known as: YMC2, YORK YMC2, YMC², SC-EQ, SC-EQUIP, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YMC2 Magnetic-Bearing Centrifugal Chiller - OptiView E-Link (YorkTalk 3)
YORK YMC2 magnetic-bearing centrifugal chillers with OptiView panel, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YMC2, YMC², YMC2 OptiView, E-Link, eLink, YorkTalk 3, 031-02430 - Water-cooled screw chiller (via SC-EQ card)
York YR Screw Chiller (OptiView, SC-EQ)
YORK YR water-cooled screw chillers with OptiView controls, fitted with the SC-EQ communication card.
Also known as: YORK YR, YR OptiView, YR chiller, SC-EQ, SE-SCC1001-1 - Water-cooled screw chiller (via E-Link gateway)
York YR Screw Chiller - OptiView E-Link (YorkTalk 3)
YORK YR water-cooled screw chillers with OptiView panel and standard or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YR, YR OptiView, E-Link, eLink, YorkTalk 3, 031-01730, 031-02430 - Water-cooled screw chiller (via E-Link gateway)
York YS / YN Screw Chiller - OptiView E-Link (YorkTalk 3)
YORK YS and YN water-cooled screw chillers with OptiView panel and standard or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YS, YORK YN, YS OptiView, YN OptiView, E-Link, eLink, YorkTalk 3 - Water-cooled screw chiller / heat pump (via SC-EQ card)
York YS / YS HP / YN Screw Chiller (SC-EQ)
YORK YS and YN water-cooled screw chillers and YS HP heat pumps with OptiView controls, fitted with the SC-EQ communication card.
Also known as: YORK YS, YS HP, YORK YN, YS heat pump, OptiView YS, SC-EQ, SE-SCC1001-1 - Air-cooled screw chiller
York YSAA Air-Cooled Screw Chiller (native BACnet MS/TP)
YORK YSAA air-cooled screw chillers (two refrigerant systems) with the 031-02550 board and its native BAS port.
Also known as: YORK YSAA, YSAA chiller, 031-02550, YSAA Native - Air-cooled screw chiller (via E-Link gateway)
York YSAA Air-Cooled Screw Chiller - BAS (ISN) E-Link (YorkTalk 2)
YORK YSAA air-cooled screw chillers (board 031-02550), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YSAA, YSAA BAS, E-Link, eLink, YorkTalk 2, 031-02550 - Steam-turbine-driven centrifugal chiller (via SC-EQ card)
York YST Steam Turbine Chiller (SC-EQ)
YORK YST steam-turbine-driven centrifugal chillers fitted with the SC-EQ communication card.
Also known as: YORK YST, YST chiller, steam turbine drive chiller, SC-EQ, SE-SCC1001-1 - Steam turbine driven centrifugal chiller (via E-Link gateway)
York YST Steam Turbine Chiller - OptiView E-Link (YorkTalk 3)
YORK YST steam turbine driven centrifugal chillers with OptiView panel, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YST, YST OptiView, steam turbine chiller, E-Link, eLink, YorkTalk 3 - Water-cooled centrifugal chiller (via SC-EQ card)
York YT Centrifugal Chiller (SC-EQ)
YORK YT water-cooled centrifugal chillers with OptiView controls, fitted with the SC-EQ communication card (VSD, solid-state or electro-mechanical starters).
Also known as: YORK YT, YT chiller, OptiView YT, SC-EQ, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YT Centrifugal Chiller (Standard or Solid State Starter) - OptiView E-Link (YorkTalk 3)
YORK YT centrifugal chillers with OptiView panel and a standard (electro-mechanical) or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YT, YT OptiView, E-Link, eLink, YorkTalk 3, 031-01730, 031-02430 - Water-cooled centrifugal chiller (via E-Link gateway)
York YT Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
YORK YT centrifugal chillers with OptiView panel and variable speed drive, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YT, YT OptiView, YT VSD, E-Link, eLink, YorkTalk 3 - Air-cooled variable-speed screw chiller
York YVAA / YVFA / YAGK Chiller (native BACnet MS/TP)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers with the 031-03478 board and its native BAS port.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA native, 031-03478, Y.ACS.20 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA / YVFA / YAGK Chiller (SC-EQ)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA, YVFA, YAGK, SC-EQ, SE-SCC1001-1 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA / YVFA / YAGK Chiller, YT3 panel (SC-EQ)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card and the YT3 control panel.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA, YVFA, YAGK, SC-EQ, SE-SCC1001-1, YT3, YVAA YT3 - Air-cooled variable-speed screw chiller (via E-Link gateway)
York YVAA / YVFA / YAGK E-Link (YorkTalk 2)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers with 031-02478 or 031-03478 microboards, connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YVAA, YORK YVFA, YAGK, E-Link, eLink, YorkTalk 2, 031-02478, 031-03478 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA Style B Chiller (SC-EQ)
YORK YVAA Style B air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card.
Also known as: YORK YVAA, YVAA Style B, YVAA-B, SC-EQ, SE-SCC1001-1 - Air-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YVAM Air-Cooled Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK YVAM air-cooled magnetic-bearing centrifugal chillers fitted with the SC-EQ communication card.
Also known as: YORK YVAM, YVAM chiller, YVAM mag bearing, SC-EQ, SE-SCC1001-1 - Water-cooled variable-speed screw chiller / heat pump (via SC-EQ card)
York YVWA Water-Cooled Variable-Speed Screw Chiller (SC-EQ)
YORK YVWA water-cooled variable-speed screw chillers (one or two compressors, chiller or heat pump mode) fitted with the SC-EQ communication card.
Also known as: YORK YVWA, YVWA chiller, YVWA heat pump, SC-EQ, SE-SCC1001-1 - Water-cooled variable-speed screw chiller (via E-Link gateway)
York YVWA Water-Cooled Variable-Speed Screw Chiller - BAS E-Link (YorkTalk 2)
YORK YVWA water-cooled variable-speed screw chillers (microboards 031-02478 / 031-03478), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YVWA, YVWA BAS, E-Link, eLink, YorkTalk 2, 031-02478, 031-03478 - Water-cooled screw chiller / water-to-water heat pump (via SC-EQ card)
York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)
YORK YVWH and YGWH water-to-water screw heat pumps and YVWE water-cooled screw chillers fitted with the SC-EQ communication card.
Also known as: YORK YVWH, YVWH-200, YORK YVWE, YORK YGWH, SC-EQ, water-to-water screw heat pump - Water-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YZ Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK YZ water-cooled magnetic-bearing centrifugal chillers (variable speed drive) fitted with the SC-EQ communication card.
Also known as: YORK YZ, YZ chiller, YZ mag bearing, SC-EQ, SE-SCC1001-1, OptiView
Source: YK SC-EQ BAS Points List · rev. Rev 2.9, 2021-12-08. Object names, instances and units are reproduced as published; descriptions are our own.