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Water-cooled centrifugal chiller (via E-Link gateway) · BACnet points list
York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) BACnet points list
Updated 6 November 2026
The E-Link gateway reads the YK-EP OptiView microboard over YorkTalk 3 and serves BACnet, N2, LON and Modbus objects in three sections. The VSD sheet covers remote commands, water temperatures and pressures for both compressors, motor and VSD values and the operation, safety, cycling and warning codes.
This page lists 125 BACnet objects for the York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) — 4 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-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
- Equipment
- Water-cooled centrifugal chiller (via E-Link gateway)
- Equipment type
- Chillers
- BACnet objects
- 125 (4 writable)
- Transport
- —
- Firmware
- Not stated
- Also known as
- YORK YKEP, YK-EP, YKEP OptiView, E-Link, eLink, YorkTalk 3, 031-02430
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-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
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 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 start/stop (1 = run) | Write |
| AV 1 | REM LEAVING CH LIQ TEMP SP | Remote leaving chilled liquid setpoint | Write |
| AV 2 | REM MOTOR CURRENT SP | Remote current limit, % | Write |
| MV 5 | UNIT CONTROL SOURCE | Must read ISN (BAS) for BMS control | Read |
| MV 1 | UNIT OPERATION CODE | Unit operating status code | Read |
| BV 5 | COMPR MOTOR STATUS | Chiller running | Read |
| AV 5 | LEAVING CH LIQ TEMP | Leaving chilled liquid temperature | Read |
| AV 6 | ENTERING CH LIQ TEMP | Entering chilled liquid temperature | Read |
| MV 2 | UNIT SAFETY FAULT CODE | Safety (shutdown) fault code | Read |
| MV 4 | UNIT WARNING CODE | Active warning code | Read |
Enable & remote start
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.
Network setup
- The E-Link gateway talks to the chiller microboard over YorkTalk 3 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.
Watch out for
- Status codes are multistate values offset by 1 from the printed code tables.
- Optional points (heat recovery, head pressure control, VSD, harmonic filter) report only on chillers with that option.
York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) 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.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AVmin | 1 | REM LEAVING CH LIQ TEMP SP | Remote Leaving Chilled Liquid Setpoint | °F | Write | |
| AVmin | 2 | REM MOTOR CURRENT SP | Remote Motor Current Limit Setpoint | % | Write | |
| AV | 3 | REM HEATING SP | Remote Heating Setpoint (Heat Recovery & Heat Pump) | °F | Write | |
| BVmin | 1 | REM RUN STOP CMD | Remote Run/Stop | Write | 0=Stop, 1=Run | |
| AVmin | 5 | LEAVING CH LIQ TEMP | Leaving Chilled Liquid Temperature | °F | Read | |
| AVmin | 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 DIFERENTIAL PRESSURE | 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 | |
| AV | 12 | MOTOR CURRENT PCT FLA | Motor Current % Full Load Amps | % | Read | |
| AV | 13 | MOTOR PHASE A CURRENT | Motor Phase A Current | A | Read | |
| AV | 14 | MOTOR PHASE B CURRENT | Motor Phase B Current | A | Read | |
| AV | 15 | MOTOR PHASE C CURRENT | Motor Phase C Current | A | 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 Temp | °F | Read | |
| AV | 22 | COND SATURATION TEMP | Condenser Saturation Temp | °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 | hours | 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 | 19 | VSD COOLING SYS STAT | VSD Cooling System | Read | 0=Not Running, 1=Running | |
| BV | 20 | VSD HARMONIC FILTER INST | Harmonic Filter Installed (LVVSD only) | Read | 0=False, 1=True | |
| MVmin | 1 | UNIT OPERATION CODE | Unit Operation Code | Read | ||
| MVmin | 2 | UNIT SAFETY FAULT CODE | Unit Safety Fault Code | Read | ||
| MV | 3 | UNIT CYCLING FAULT CODE | Unit Cycling Fault Code | Read | ||
| MVmin | 4 | UNIT WARNING CODE | Unit Warning Code | Read | ||
| MVmin | 5 | UNIT CONTROL SOURCE | Unit Control Source | Read | 0=Local, 1=ISN (BAS), 2=Analog, 3=Digital, 4=Modem | |
| MV | 6 | UNIT MODIFIED RUN CODE | Unit Modified Run Code | Read | ||
| MV | 7 | UNIT START INHIBIT CODE | Unit Start Inhibit Code | Read | ||
| MV | 8 | UNIT INTERNAL FAULT CODE | Unit Internal Fault Code | Read | ||
| AV | 30 | PROX SENSOR ACT POS | High Speed Thrust Bearing Proximity Position (K comps only) | Read | ||
| AV | 31 | PROX SENSOR REF POS | High Speed Thrust Bearing Proximity Reference (K comps only) | Read | ||
| AV | 32 | ANTI RECYCLE TIME REMAIN | Anti-Recycle Time Remaining | min | Read | |
| AV | 34 | VSD OUTPUT VOLTAGE | VSD Output Voltage | Read | ||
| AV | 35 | INPUT POWER | Input Power | kW | Read | |
| AV | 36 | INPUT KWH | Input Kilowatt Hours | kWh | Read | |
| AV | 37 | VSD DC BUS VOLTAGE | VSD DC Bus Voltage | V | Read | |
| AV | 38 | VSD DC BUS CURRENT | VSD DC Bus Current (LVVSD only) | A | Read | |
| AV | 39 | ACC SURGE COUNT | ACC Surge Count | Read | ||
| AV | 40 | VSD OUTPUT FREQUENCY | VSD Output Frequency | Hz | Read | |
| AV | 41 | FILTER MAX VOLTAGE THD | Harmonic Filter Max Voltage Total Harmonic Distortion (LVVSD/HF only) | % | Read | |
| AV | 42 | FILTER MAX CURRENT TDD | Harmonic Filter Max Current Total Demand Distortion (LVVSD/HF only) | % | Read | |
| AV | 43 | FILTER SUPPLY KVA | Harmonic Filter Total Supply KVA (LVVSD/Harm Filt only) | kVA | Read | |
| AV | 105 | MTR SHAFT END VIBR | Motor Bearing Shaft End Vibration (MM & Motor Vib Mon) | Read | ||
| AV | 106 | MTR OP SHAFT END VIBR | Motor Bearing Opposite Shaft End Vibration (MM & Motor Vib Mon) | Read | ||
| AV | 107 | MTR SHAFT END TEMP | Motor Bearing Shaft End Temperature (MM & Motor Temp Mon) | °F | Read | |
| AV | 108 | MTR OP SHAFT END TEMP | Motor Bearing Opposite Shaft End Temperature (MM & Motor Temp) | °F | Read | |
| AV | 109 | MTR WINDING AVG TEMP | Average Winding Temperature (MM & Motor Temp Mon) | °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 | % | Read | |
| AV | 113 | ACC MAP OUTPUT FREQ | ACC Map Output Frequency | 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 (HR only) | °F | Read | |
| AV | 117 | HEATING ACTIVE SP | Active Heating Setpoint (HR/Hot Water Ctrl or Heat Pump only) | °F | Read | |
| AV | 118 | HEAT REC HEAD PRESS VLV CMD | Heat Recovery/Head Pressure Control Valve Cmd (HR & HPC only) | % | Read | |
| AV | 121 | INPUT KWH LO | Input Kilowatt Hours Low (see note 11) | Read | ||
| AV | 122 | INPUT KWH OFFSET | Input Kilowatt Hours Offset (see note 11) | Read | ||
| AV | 123 | OPERATING HOURS LO | Operating Hours Low (see note 12) | Read | ||
| AV | 124 | OPERATING HOURS OFFSET | Operating Hours Offset (see note 12) | Read | ||
| AV | 126 | HP LEAVING COND LIQ SP LOCAL | Local Leaving Condenser Liquid Setpoint (Heat Pump only) | °F | Read | |
| AV | 130 | MTR WINDING PH A TEMP | Motor Winding Phase A Temperature (Motor Temp Protection only) | °F | Read | |
| AV | 131 | MTR WINDING PH B TEMP | Motor Winding Phase B Temperature (Motor Temp Protection only) | °F | Read | |
| AV | 132 | MTR WINDING PH C TEMP | Motor Winding Phase C Temperature (Motor Temp Protection only) | °F | Read | |
| AV | 133 | MTR WINDING PH A2 TEMP | Motor Winding Phase A2 Temperature (Motor Temp Protection only) | °F | Read | |
| AV | 134 | MTR WINDING PH B2 TEMP | Motor Winding Phase B2 Temperature (Motor Temp Protection only) | °F | Read | |
| AV | 135 | MTR WINDING PH C2 TEMP | Motor Winding Phase C2 Temperature (Motor Temp Protection only) | °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 (HR only) | °F | Read | |
| AV | 205 | ECONOMIZER PRESSURE | Economizer Pressure | psig | Read | |
| AV | 206 | ECON OIL DIFERENTIAL PRESSURE | Economizer Compressor Oil Pressure Differential | psid | Read | |
| AV | 207 | ECON MOTOR CURRENT PCT FLA | Economizer Motor Current Percent FLA | % | Read | |
| AV | 208 | ECON MOTOR PHASE A CURRENT | Economizer Motor Phase A Current | A | Read | |
| AV | 209 | ECON MOTOR PHASE B CURRENT | Economizer Motor Phase B Current | A | Read | |
| AV | 210 | ECON MOTOR PHASE C CURRENT | Economizer Motor Phase C Current | A | Read | |
| AV | 211 | ECON MOTOR PHASE A VOLTAGE | Economizer Motor Phase A Voltage | V | Read | |
| AV | 212 | ECON MOTOR PHASE B VOLTAGE | Economizer Motor Phase B Voltage | V | Read | |
| AV | 213 | ECON MOTOR PHASE C VOLTAGE | Economizer Motor Phase C Voltage | V | Read | |
| AV | 214 | ECON MOTOR ACTIVE CURRENT LIMIT | Economizer Motor Active Current Limit | % | Read | |
| AV | 215 | ECON DISCHARGE TEMP | Economizer Compressor Discharge Temperature | °F | Read | |
| AV | 216 | ECON ACTIVE SATURATION TEMP SP | Economizer Active Saturation Temperature Setpoint | °F | Read | |
| AV | 217 | ECON SATURATION TEMP | Economizer Saturation Temperature | °F | Read | |
| AV | 218 | ECON REFRIGERANT LEVEL SP | Economizer Active Level Setpoint | % | Read | |
| AV | 219 | ECON REFRIGERANT LEVEL | Economizer Refrigerant Level | % | Read | |
| AV | 220 | ECON OPERATING HOURS | Economizer Compressor Operating Hours | hours | Read | |
| AV | 221 | ECON NUMBER OF STARTS | Economizer Compressor Number of Starts | Read | ||
| AV | 222 | ECON OIL PUMP PRESSURE | Economizer Compressor Oil Pump Pressure | psig | Read | |
| AV | 223 | ECON ANTI RECYCLE TIME REMAIN | Economizer Compressor Anti-Recycle Time Remaining | min | Read | |
| AV | 224 | ECON ACTIVE ANTISURGE MIN TEMP | Economizer Compressor Active Anti-Surge Minimum Temperature | °F | Read | |
| AV | 225 | ECON MTR SHAFT END VIBR | Economizer Motor Bearing Shaft End Vibration (Economizer MM & MotoO | Read | ||
| AV | 226 | ECON MTR OP SHAFT END VIBR | Economizer Motor Bearing Opposite Shaft End Vibration (Economizer MO | Read | ||
| AV | 227 | ECON MTR SHAFT END TEMP | Economizer Motor Bearing Shaft End Temperature (Economizer MM & | °F | Read | |
| AV | 228 | ECON MTR OP SHAFT END TEMP | Economizer Motor Bearing Opposite Shaft End Temperature (Economiz | °F | Read | |
| AV | 229 | ECON MTR WINDING AVG TEMP | Economizer Motor Average Winding Temperature (Economizer MM & MO | °F | Read | |
| BV | 205 | ECON COMPR MOTOR STATUS | Economizer Compressor Motor Run | Read | 0=Off, 1=On | |
| BV | 206 | MOTOR HEATER | Motor Space Heater (Motor Heater Enabled Only) | Read | 0=Off, 1=On | |
| BV | 207 | ECON MOTOR HEATER | Economizer Motor Space Heater (Economizer Motor Heat | Read | 0=Off, 1=On | |
| BV | 208 | YKEP CONTROL | YKEP Control | Read | 0 = Disabled, 1 = Enabled | |
| AV | 230 | ECON INPUT POWER | Economizer Compressor Input Power | kW | Read | |
| AV | 231 | ECON INPUT KWH | Economizer Compressor Input Kilowatt Hours | kWh | Read | |
| AV | 232 | ECON INPUT KWH LO | Economizer Compressor Input Kilowatt Hours Low (see note 11) | Read | ||
| AV | 233 | ECON INPUT KWH OFFSET | Economizer Compressor Input Kilowatt Hours Offset (see note 11) | Read | ||
| AV | 234 | ECON OPERATING HOURS LO | Economizer Compressor Operating Hours Low (see note 12) | Read | ||
| AV | 235 | ECON OPERATING HOURS OFFSET | Economizer Compressor Operating Hours Offset (see note 12) | Read | ||
| AV | 236 | ECON MTR WINDING PH A TEMP | Economizer Motor Winding Phase A Temperature (Economizer Motor T | °F | Read | |
| AV | 237 | ECON MTR WINDING PH B TEMP | Economizer Motor Winding Phase B Temperature (Economizer Motor T | °F | Read | |
| AV | 238 | ECON MTR WINDING PH C TEMP | Economizer Motor Winding Phase C Temperature (Economizer Motor T | °F | Read | |
| AV | 239 | ECON MTR WINDING PH A2 TEMP | Economizer Motor Winding Phase A2 Temperature (Economizer Motor | °F | Read | |
| AV | 240 | ECON MTR WINDING PH B2 TEMP | Economizer Motor Winding Phase B2 Temperature (Economizer Motor | °F | Read | |
| AV | 241 | ECON MTR WINDING PH C2 TEMP | Economizer Motor Winding Phase C2 Temperature (Economizer Motor | °F | Read | |
| AV | 242 | ECON PRE ROTATION VANES POS | Economizer Compressor Pre Rotation Vanes (PRV) Position | % | Read | |
| AV | 243 | ECON VSD OIL PUMP CMD FREQUENCY | Economizer Compressor VSD Oil Pump Command Frequency | Hz | Read |
No points match these filters.
Object ID lookup: York YK-EP VSD E-Link point IDs by name
AV1REM LEAVING CH LIQ TEMP SPAV2REM MOTOR CURRENT SPAV3REM HEATING SPBV1REM RUN STOP CMDAV5LEAVING CH LIQ TEMPAV6ENTERING CH LIQ TEMPAV7EVAPORATOR PRESSUREAV8CONDENSER PRESSUREAV9OIL DIFERENTIAL PRESSUREAV10ENTERING COND WATER TEMPAV11LEAVING COND WATER TEMPAV12MOTOR CURRENT PCT FLAAV13MOTOR PHASE A CURRENTAV14MOTOR PHASE B CURRENTAV15MOTOR PHASE C CURRENTAV19LEAVING 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 STATBV19VSD COOLING SYS STATBV20VSD HARMONIC FILTER INSTMV1UNIT OPERATION CODEMV2UNIT SAFETY FAULT CODEMV3UNIT CYCLING FAULT CODEMV4UNIT WARNING CODEMV5UNIT CONTROL SOURCEMV6UNIT MODIFIED RUN CODEMV7UNIT START INHIBIT CODEMV8UNIT INTERNAL FAULT CODEAV30PROX SENSOR ACT POSAV31PROX SENSOR REF POSAV32ANTI RECYCLE TIME REMAINAV34VSD OUTPUT VOLTAGEAV35INPUT POWERAV36INPUT 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 CMDAV121INPUT KWH LOAV122INPUT KWH OFFSETAV123OPERATING HOURS LOAV124OPERATING HOURS OFFSETAV126HP LEAVING COND LIQ SP LOCALAV130MTR 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 TEMPAV205ECONOMIZER PRESSUREAV206ECON OIL DIFERENTIAL PRESSUREAV207ECON MOTOR CURRENT PCT FLAAV208ECON MOTOR PHASE A CURRENTAV209ECON MOTOR PHASE B CURRENTAV210ECON MOTOR PHASE C CURRENTAV211ECON MOTOR PHASE A VOLTAGEAV212ECON MOTOR PHASE B VOLTAGEAV213ECON MOTOR PHASE C VOLTAGEAV214ECON MOTOR ACTIVE CURRENT LIMITAV215ECON DISCHARGE TEMPAV216ECON ACTIVE SATURATION TEMP SPAV217ECON SATURATION TEMPAV218ECON REFRIGERANT LEVEL SPAV219ECON REFRIGERANT LEVELAV220ECON OPERATING HOURSAV221ECON NUMBER OF STARTSAV222ECON OIL PUMP PRESSUREAV223ECON ANTI RECYCLE TIME REMAINAV224ECON ACTIVE ANTISURGE MIN TEMPAV225ECON MTR SHAFT END VIBRAV226ECON MTR OP SHAFT END VIBRAV227ECON MTR SHAFT END TEMPAV228ECON MTR OP SHAFT END TEMPAV229ECON MTR WINDING AVG TEMPBV205ECON COMPR MOTOR STATUSBV206MOTOR HEATERBV207ECON MOTOR HEATERBV208YKEP CONTROLAV230ECON INPUT POWERAV231ECON INPUT KWHAV232ECON INPUT KWH LOAV233ECON INPUT KWH OFFSETAV234ECON OPERATING HOURS LOAV235ECON OPERATING HOURS OFFSETAV236ECON MTR WINDING PH A TEMPAV237ECON MTR WINDING PH B TEMPAV238ECON MTR WINDING PH C TEMPAV239ECON MTR WINDING PH A2 TEMPAV240ECON MTR WINDING PH B2 TEMPAV241ECON MTR WINDING PH C2 TEMPAV242ECON PRE ROTATION VANES POSAV243ECON VSD OIL PUMP CMD FREQUENCY
Integration notes
- Every YorkTalk 3 E-Link sheet uses the same slot skeleton (P03 = AV 1 and so on); only the slots this chiller populates are listed, and slots marked not available on every program version are left out.
- Object names are the E-Link names printed on the sheet; the sheet also gives LON, N2 and Modbus addresses, not reproduced here.
- 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.
- Status code objects (MV) use the code tables in the sheet; it notes that BACnet multistate values are the printed code + 1. Printed states are shown from 0.
- The EM/SSS sheet uses some slots differently (AV 20, AV 34, AV 35), so it is a separate entry.
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-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) 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-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
How many BACnet points does the York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) have?
This list has 125 BACnet objects: 104 analog values, 13 binary values, 8 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) BACnet points are writable?
4 of the 125 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.
Where is the official York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3) BACnet documentation?
The source is YKEP OptiView BAS E-Link points list, tab YKEP VSD, revision 2015-10-23 (Rev K_01), published free by York at https://docs.johnsoncontrols.com/chillers/api/khub/documents/Aa7Qo2V_pQ9Etr5UT7EJ4Q/content.
What are the minimum BACnet points to integrate the York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)?
Start with BV 1 REM RUN STOP CMD (Remote start/stop (1 = run)); AV 1 REM LEAVING CH LIQ TEMP SP (Remote leaving chilled liquid setpoint); AV 2 REM MOTOR CURRENT SP (Remote current limit, %); MV 5 UNIT CONTROL SOURCE (Must read ISN (BAS) for BMS control); MV 1 UNIT OPERATION CODE (Unit operating status code); BV 5 COMPR MOTOR STATUS (Chiller running); AV 5 LEAVING CH LIQ TEMP (Leaving chilled liquid temperature); AV 6 ENTERING CH LIQ TEMP (Entering chilled liquid temperature); MV 2 UNIT SAFETY FAULT CODE (Safety (shutdown) fault code); MV 4 UNIT WARNING CODE (Active warning code).
How do I enable BMS control of the York YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)?
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.
How do I check these points on the real YK-EP Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)?
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
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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 SC-EQ card)
York YK Centrifugal Chiller (SC-EQ)
YORK by Johnson Controls YK water-cooled centrifugal chillers (OptiView panel) fitted with the SC-EQ communication card.
Also known as: YK, YORK YK, SC-EQ, SC-EQUIP, SE-SCC1001-1, OptiView - 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 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: YKEP OptiView BAS E-Link points list, tab YKEP VSD · rev. 2015-10-23 (Rev K_01). Object names, instances and units are reproduced as published; descriptions are our own.