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Air-cooled variable-speed screw chiller (via SC-EQ card) · BACnet points list
York YVAA / YVFA / YAGK Chiller (SC-EQ) BACnet points list
Updated 4 November 2026
YVAA, YVFA and YAGK chillers connect to a BAS through the SC-EQ communication card on BACnet MS/TP (or Modbus RTU / N2). The BAS can start/stop the chiller, write the cooling setpoint, current limit and sound limit, and inhibit the free cooling valve. Read-only points cover chilled liquid and ambient temperatures, per-system pressures, temperatures, % FLA, kW and lockouts, VSD values, condenser fan data, free cooling (YVFA) values, and multistate operational, fault and warning codes per system. This is the standard list; separate lists exist for the YT3 panel and the YVAA Style B.
This page lists 109 BACnet objects for the York YVAA / YVFA / YAGK Chiller (SC-EQ) — 8 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
- YVAA / YVFA / YAGK Chiller (SC-EQ)
- Equipment
- Air-cooled variable-speed screw chiller (via SC-EQ card)
- Equipment type
- Chillers
- BACnet objects
- 109 (8 writable)
- Transport
- BACnet MS/TP
- Firmware
- SC-EQ software 4.8.0.25
- Default device instance
- 5000 + MAC address
- Also known as
- YORK YVAA, YORK YVFA, YORK YAGK, YVAA, YVFA, YAGK, SC-EQ, SE-SCC1001-1
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 YVAA / YVFA / YAGK Chiller (SC-EQ)
Put the chiller in remote control (BV 20 reads Remote), then start/stop it with BV 1 and write the cooling setpoint (AV 1) and current limit (AV 2). Read BV 5 for chiller run, the leaving chilled liquid temperature and VSD frequency, BV 6 for the chiller alarm and the per-system fault codes for the cause.
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 START STOP CMD | Remote start/stop (1 = run) | Command |
| AV 1 | REMOTE SETPOINT | Remote leaving chilled liquid setpoint | Command |
| AV 2 | REM CURRENT LIMIT SETP | Remote current limit, % | Command |
| BV 5 | CHILLER RUN | Chiller running | Read |
| BV 20 | LOCAL REMOTE CONTROL MODE | Must read Remote (1) for BMS control | Read |
| AV 5 | LEAVING CHILLED LIQ TEMP | Leaving chilled liquid temperature | Read |
| AV 27 | VSD OUTPUT FREQUENCY | Compressor VSD frequency (load indication) | Read |
| BV 6 | CHILLER ALARM | Chiller alarm active | Read |
| MV 2 | SYS 1 FAULT CODE | Sys 1 fault/inhibit code (1 = none) | Read |
| MV 4 | SYS 2 FAULT CODE | Sys 2 fault/inhibit code (1 = none) | Read |
Enable & remote start
BV 20 shows Local or Remote control mode. The points list gives no point to change it and no write-enable point.
Heartbeat & communication loss
The operational code list includes 'Loss of External Communications'; the sheet gives no timeout or heartbeat point.
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.
Watch out for
- 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.
- Fault/inhibit codes are per refrigerant system (MV 2, MV 4); there is no single unit fault code, so alarm on BV 6 and read both.
York YVAA / YVFA / YAGK 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 | REMOTE SETPOINT | Remote Setpoint | °F | Command | |
| AVmin | 2 | REM CURRENT LIMIT SETP | Remote Current Limit Setpoint | % | Command | |
| AV | 3 | REMOTE SOUND LIMIT | Remote Sound Limit | % | Command | |
| BVmin | 1 | REM START STOP CMD | Remote Start / Stop Command | Command | 0=Stop, 1=Run | |
| BV | 2 | REM FC VALVE OPEN INHIBIT | Remote free cooling valve open inhibit | Command | 0=Disabled, 1=Enabled | |
| BV | 3 | REM FC VALVE CLOSE INHIBIT | Remote free cooling valve close inhibit | Command | 0=Disabled, 1=Enabled | |
| BV | 4 | HISTORY REQUEST | History buffer 1 request (live / history data) | Command | 0=Live Data, 1=History 1 Data | |
| MV | 65001 | Units | Unit system reported by the SC-EQ | Write | 0=IP (English), 1=SI (Metric) | |
| AVmin | 5 | LEAVING CHILLED LIQ TEMP | Leaving Chilled Liquid Temp | °F | Read | |
| AV | 6 | ENTERING CHILLED LIQ TEMP | Entering Chilled Liquid Temp | °F | Read | |
| AV | 7 | VSD INT AMBIENT TEMP | VSD Internal Ambient Temp | °F | Read | |
| AV | 8 | SYS 1 COND TEMP | Sys 1 Condenser Temperature | °F | Read | |
| AV | 9 | SYS 1 DISCH TEMP | Sys 1 Discharge Temperature | °F | Read | |
| AV | 10 | OUTSIDE AMBIENT AIR TEMP | Outside Ambient Air Temperature | °F | Read | |
| AV | 11 | SYS 1 EDUCTOR TEMP | Sys 1 Eductor Temperature | °F | Read | |
| AV | 12 | SYS 1 OIL PRESS | Sys 1 Oil Pressure | PSIG | Read | |
| AV | 13 | SYS 1 SUCT PRESS | Sys 1 Suction Pressure | PSIG | Read | |
| AV | 14 | SYS 1 DISCH PRESS | Sys 1 Discharge Pressure | PSIG | Read | |
| AV | 15 | SYS 1 COMP PCT FLA | Sys 1 Compressor % Full Load Amps | % | Read | |
| AV | 16 | SYS 1 HOURS | Sys 1 Total Run Hours | Hr | Read | |
| AV | 17 | SYS 1 STARTS | Sys 1 Total Number of Starts | Read | ||
| AV | 18 | SYS 1 HIGHEST MOTOR TEMP | Sys 1 Highest Motor Temp | °F | Read | |
| AV | 19 | SYS 2 HIGHEST MOTOR TEMP | Sys 2 Highest Motor Temp | °F | Read | |
| AV | 20 | SYS 2 EDUCTOR TEMP | Sys 2 Eductor Temperature | °F | Read | |
| AV | 21 | SYS 2 OIL PRESS | Sys 2 Oil Pressure | PSIG | Read | |
| AV | 22 | SYS 2 SUCT PRESS | Sys 2 Suction Pressure | PSIG | Read | |
| AV | 23 | SYS 2 DISCH PRESS | Sys 2 Discharge Pressure | PSIG | Read | |
| AV | 24 | SYS 2 COMP PCT FLA | Sys 2 Compressor % Full Load Amps | % | Read | |
| AV | 25 | SYS 2 HOURS | Sys 2 Total Run Hours | Hr | Read | |
| AV | 26 | SYS 2 STARTS | Sys 2 Total Number of Starts | Read | ||
| AVmin | 27 | VSD OUTPUT FREQUENCY | VSD Output Frequency | Hz | Read | |
| AV | 28 | SYS 1 COND DRAIN VALVE PCT | Sys 1 Condenser Drain Valve % Open | % | Read | |
| AV | 29 | SYS 2 COND DRAIN VALVE PCT | Sys 2 Condenser Drain Valve % Open | % | Read | |
| BVmin | 5 | CHILLER RUN | Chiller Run | Read | 0=Off, 1=On | |
| BVmin | 6 | CHILLER ALARM | Chiller Alarm | Read | 0=No Alarm, 1=Alarm Active | |
| BV | 7 | EVAPORATOR HEATER STATUS | Evaporator Heater Status | Read | 0=Off, 1=On | |
| BV | 8 | EVAPORATOR PUMP STATUS | Evaporator Pump Status | Read | 0=Off, 1=On | |
| BV | 9 | SYS 1 COMP RUN STATUS | Sys 1 Compressor Run Status | Read | 0=Off, 1=On | |
| BV | 10 | SYS 2 COMP RUN STATUS | Sys 2 Compressor Run Status | Read | 0=Off, 1=On | |
| BV | 11 | SYS 1 VI STEP SOL VALVE 1 STATUS | Sys 1 VI Step Solenoid Valve 1 Status | Read | 0=Off, 1=On | |
| BV | 12 | SYS 2 VI STEP SOL VALVE 1 STATUS | Sys 2 VI Step Solenoid Valve 1 Status | Read | 0=Off, 1=On | |
| BV | 13 | SYS 1 VI STEP SOL VALVE 2 STATUS | Sys 1 VI Step Solenoid Valve 2 Status | Read | 0=Off, 1=On | |
| BV | 14 | SYS 2 VI STEP SOL VALVE 2 STATUS | Sys 2 VI Step Solenoid Valve 2 Status | Read | 0=Off, 1=On | |
| BV | 17 | EVAP ANTI-FREEZE FLOW SWITCH | Evap anti-freeze flow switch | Read | 0=Off, 1=On | |
| BV | 18 | EVAP ANTI-FREEZE PUMP RUN | Evap anti-freeze pump run | Read | 0=Off, 1=On | |
| BV | 19 | COOLING TYPE | Cooling Type | Read | 0=Water, 1=Glycol | |
| BVmin | 20 | LOCAL REMOTE CONTROL MODE | Local Remote Control Mode | Read | 0=Local, 1=Remote | |
| BV | 21 | DISPLAY UNITS | Display Units | Read | 0=Imperial, 1=SI | |
| BV | 22 | READY TO START | Ready To Start | Read | 0=Off, 1=On | |
| MV | 1 | SYS 1 OPERATIONAL CODE | Sys 1 Operational Code | Read | 64=Manual Override, 65=Daily Schedule Shutdown, 66=Unit Switch OFF, 67=Remote Controlled Shutdown, 68=Loss of External Communications, 69=Flow Switch Shutdown, 70=VSD Cooling Shutdown, 71=Serial Number Shutdown, 73=Discharge Superheat Recovery, 75=No Run Permissive, 76=Anti-Recycle Timer Active, 77=System Switch OFF, 78=System Not Running, 79=System Running, 80=Discharge Pressure Limiting, 81=Suction Pressure Limiting, 82=Motor Current Limiting, 83=Free Cooling, 84=BAS Motor Current Limiting, 85=Remote Motor Current Limiting, 86=System Pumping Down, 87=VSD PreCharging, 88=VSD Baseplate Temp Limiting, 89=VSD Internal Ambient Temp Limiting, 90=Sound Limiting, 91=BAS Sound Limiting, 92=Remote Sound Limiting, 93=Pulldown Motor Current Limiting, 94=Cooling Demand Shutdown, 95=Input Current Limiting, 96=BAS (ISN) Input Current Limiting, 97=Remote Input Current Limiting, 98=Pulldown Input Current Limiting | |
| MVmin | 2 | SYS 1 FAULT CODE | Sys 1 Fault Code | Read | 1=No Faults/Inhbits Present, 2=Low Ambient Temperature, 3=High Ambient Temperature, 4=Low Chilled Liquid Temperature, 5=VSD Initialization Failure, 6=Low RTC Battery Voltage, 7=Invalid Number of Compressors Selected, 8=VSD Communications Failure, 9=Pre-charge Low DC Bus Voltage, 10=Pre-charge DC Bus Voltage Imbalance, 11=High DC Bus Voltage, 12=Low DC Bus Voltage, 13=DC Bus Voltage Imbalance, 14=High VSD Ambient Temperature, 15=Single Phase Input, 16=VSD Power Supply Fault, 17=VSD Logic Board Fault, 18=Motor Current Overload (Hardware), 19=CT Plug Fault, 20=High Harmonic Filter Temperature, 21=Evap Anti-Freeze Pump Fault, 22=Low Heat Exchanger Temperature, 28=High Discharge Pressure, 29=High Differential Oil Pressure, 30=Low Differential Oil Pressure, 31=Low Suction Pressure, 32=High Discharge Temperature, 34=Eductor Clog Fault, 35=Sensor Failure, 36=Low Motor Current, 37=High Motor Temperature, 38=Pre-charge Low DC Bus Voltage, 39=Pre-charge DC Bus Voltage Imbalance, 40=High DC Bus Voltage, 41=Low DC Bus Voltage, 42=DC Bus Voltage Imbalance, 43=High Motor Current, 44=Motor Current Overload, 45=IGBT Gate Driver Fault, 46=High Baseplate Temperature, 47=Single Phase Input, 48=VSD Run Signal Fault, 49=High Discharge Press (HPCO), 50=Low Suction Superheat, 51=Control Voltage Fault, 52=Low Discharge Superheat, 53=Low Suction Pressure Smart Freeze, 54=Isolation Valve Failed to Close Warning, 55=Isolation Valve Failed to Open Fault, 56=High Discharge Pressure Rate, 57=Condenser Fan VSD Fault Warning | |
| MV | 3 | SYS 2 OPERATIONAL CODE | Sys 2 Operational Code | Read | 64=Manual Override, 65=Daily Schedule Shutdown, 66=Unit Switch OFF, 67=Remote Controlled Shutdown, 68=Loss of External Communications, 69=Flow Switch Shutdown, 70=VSD Cooling Shutdown, 71=Serial Number Shutdown, 73=Discharge Superheat Recovery, 75=No Run Permissive, 76=Anti-Recycle Timer Active, 77=System Switch OFF, 78=System Not Running, 79=System Running, 80=Discharge Pressure Limiting, 81=Suction Pressure Limiting, 82=Motor Current Limiting, 83=Free Cooling, 84=BAS Motor Current Limiting, 85=Remote Motor Current Limiting, 86=System Pumping Down, 87=VSD PreCharging, 88=VSD Baseplate Temp Limiting, 89=VSD Internal Ambient Temp Limiting, 90=Sound Limiting, 91=BAS Sound Limiting, 92=Remote Sound Limiting, 93=Pulldown Motor Current Limiting, 94=Cooling Demand Shutdown, 95=Input Current Limiting, 96=BAS (ISN) Input Current Limiting, 97=Remote Input Current Limiting, 98=Pulldown Input Current Limiting | |
| MVmin | 4 | SYS 2 FAULT CODE | Sys 2 Fault Code | Read | 1=No Faults/Inhbits Present, 2=Low Ambient Temperature, 3=High Ambient Temperature, 4=Low Chilled Liquid Temperature, 5=VSD Initialization Failure, 6=Low RTC Battery Voltage, 7=Invalid Number of Compressors Selected, 8=VSD Communications Failure, 9=Pre-charge Low DC Bus Voltage, 10=Pre-charge DC Bus Voltage Imbalance, 11=High DC Bus Voltage, 12=Low DC Bus Voltage, 13=DC Bus Voltage Imbalance, 14=High VSD Ambient Temperature, 15=Single Phase Input, 16=VSD Power Supply Fault, 17=VSD Logic Board Fault, 18=Motor Current Overload (Hardware), 19=CT Plug Fault, 20=High Harmonic Filter Temperature, 21=Evap Anti-Freeze Pump Fault, 22=Low Heat Exchanger Temperature, 28=High Discharge Pressure, 29=High Differential Oil Pressure, 30=Low Differential Oil Pressure, 31=Low Suction Pressure, 32=High Discharge Temperature, 34=Eductor Clog Fault, 35=Sensor Failure, 36=Low Motor Current, 37=High Motor Temperature, 38=Pre-charge Low DC Bus Voltage, 39=Pre-charge DC Bus Voltage Imbalance, 40=High DC Bus Voltage, 41=Low DC Bus Voltage, 42=DC Bus Voltage Imbalance, 43=High Motor Current, 44=Motor Current Overload, 45=IGBT Gate Driver Fault, 46=High Baseplate Temperature, 47=Single Phase Input, 48=VSD Run Signal Fault, 49=High Discharge Press (HPCO), 50=Low Suction Superheat, 51=Control Voltage Fault, 52=Low Discharge Superheat, 53=Low Suction Pressure Smart Freeze, 54=Isolation Valve Failed to Close Warning, 55=Isolation Valve Failed to Open Fault, 56=High Discharge Pressure Rate, 57=Condenser Fan VSD Fault Warning | |
| AV | 405 | SYS 1 COND FAN STAGES RUN | Sys 1 condenser fan stage, 0-14 (staged fans) | Read | ||
| AV | 406 | SYS 1 COND FAN SPEED PCT | Sys 1 condenser fan speed (VSD fans) | % | Read | |
| AV | 407 | SYS 2 COND FAN STAGES RUN | Sys 2 condenser fan stage, 0-14 (staged fans) | Read | ||
| AV | 408 | SYS 2 COND FAN SPEED PCT | Sys 2 condenser fan speed (VSD fans) | % | Read | |
| AV | 409 | LEAD SYSTEM NUMBER | Lead System Number | Read | ||
| AV | 30 | LOCAL LEAVING CHILL LIQ SETP | Local Leaving Chilled Liquid Setpoint | °F | Read | |
| AV | 31 | LOW LEAVING CHILL LIQ CUTOUT | Low Leaving Chilled Liquid Temp Cutout | °F | Read | |
| AV | 32 | SYS 1 ECON VALVE PCT | Sys 1 Economizer Valve % Open | % | Read | |
| AV | 33 | SYS 2 ECON VALVE PCT | Sys 2 Economizer Valve % Open | % | Read | |
| AV | 34 | LOW SUCT PRESS CUTOUT | Low Suction Pressure Cutout | PSIG | Read | |
| AV | 35 | VSD DC BUS VOLT | VSD DC Bus Voltage | Volts | Read | |
| AV | 36 | REM LEAVING CHILL LIQ SETP | Remote Leaving Chilled Liquid Setpoint | °F | Read | |
| AV | 37 | SYS 1 SUBCOOLING / SYS 1 EVAPORATOR LEVEL | Sys 1 subcooling (microchannel) or evaporator level (round tube) | °F (diff) / % | Read | |
| AV | 38 | COOLING RANGE | Cooling Range | °F (diff) | Read | |
| AV | 39 | SYS 1 DISCH SUPERHEAT | Sys 1 Discharge Superheat | °F (diff) | Read | |
| AV | 40 | SYS 2 COND TEMP | Sys 2 Condenser Temperature | °F | Read | |
| AV | 41 | SYS 2 DISCH TEMP | Sys 2 Discharge Temperature | °F | Read | |
| AV | 42 | SYS 2 SUBCOOLING / SYS 2 EVAPORATOR LEVEL | Sys 2 subcooling (microchannel) or evaporator level (round tube) | °F (diff) / % | Read | |
| AV | 43 | SYS 2 DISCH SUPERHEAT | Sys 2 Discharge Superheat | °F (diff) | Read | |
| BV | 25 | SYS 1 LOCKOUT | Sys 1 Lockout | Read | 0=Off, 1=On | |
| BV | 26 | SYS 2 LOCKOUT | Sys 2 Lockout | Read | 0=Off, 1=On | |
| BV | 27 | FLOW SWITCH STATUS | Flow Switch Status | Read | 0=Off, 1=On | |
| AV | 48 | EVAP ENTER LIQ TEMP | Evaporator Entering Liquid Temp (If Free Cooling Enabled) | °F | Read | |
| AV | 49 | COOLING COIL TEMP | Cooling Coil Temperature | °F | Read | |
| AV | 50 | HEAT EXCH LEAVE TEMP | Heat Exchanger Leaving Temperature | °F | Read | |
| AV | 51 | HEAT EXCH ENTER TEMP | Heat Exchanger Entering Temperature | °F | Read | |
| AV | 52 | GLY PMP SPD | Glycol Pump Speed | % | Read | |
| AV | 53 | COOLING COIL VALVE | Cooling Coil Valve | % | Read | |
| AV | 54 | COOLING COIL BYP VALVE | Cooling Coil Bypass Valve | % | Read | |
| AV | 63 | SYS 1 XL COND FAN SPD CMD | Sys 1 XL condenser fan speed command (Opt. Enh XL fans) | % | Read | |
| AV | 64 | SYS 2 XL COND FAN SPD CMD | Sys 2 XL condenser fan speed command (Opt. Enh XL fans) | % | Read | |
| AV | 70 | VSD COMMAND FREQUENCY | VSD Command Frequency | Hz | Read | |
| BV | 35 | FREE COOLING VALVE | Free Cooling Valve (If Free Cooling Enabled) | Read | 0=Off, 1=On | |
| BV | 36 | SOFT SHUTDOWN | Soft Shutdown | Read | 0=Disabled, 1=Enabled | |
| BV | 37 | REMOTE EVAPORATOR | Remote Evaporator | Read | 0=Disabled, 1=Enabled | |
| BV | 38 | QUICK START | Quick Start | Read | 0=Disabled, 1=Enabled | |
| BV | 40 | GLYCOL PUMP RUN | Glycol Pump Run: | Read | 0=Off, 1=On | |
| BV | 41 | GLYCOL HEATER | Glycol Heater: | Read | 0=Off, 1=On | |
| BV | 44 | SYS 1 COND FAN VSD FLT | Sys 1 condenser fan VSD fault (VSD fan control types) | Read | 0=Off, 1=On | |
| BV | 45 | SYS 2 COND FAN VSD FLT | Sys 2 condenser fan VSD fault (VSD fan control types) | Read | 0=Off, 1=On | |
| MV | 12 | FREE COOLING MODE | Free Cooling Mode (If Free Cooling Enabled) | Read | 0=Mechanical, 1=Free Cooling, 2=Hybrid | |
| MV | 13 | SYS 1 SYSTEM STATE | Sys 1 System State | Read | 0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run | |
| MV | 14 | SYS 2 SYSTEM STATE | Sys 2 System State | Read | 0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run | |
| AV | 415 | SYS 1 SYSTEM STATE AV | Sys 1 System State AV | Read | 0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run | |
| AV | 416 | SYS 2 SYSTEM STATE AV | Sys 2 System State AV | Read | 0=Stopped, 1=Running, 2=Faulted, 4=Locked Out, 5=Pre-Run | |
| AV | 417 | SYS 1 WARNING CODE | Sys 1 Warning Code | Read | 0=No Faults/Inhbits Present, 1=Quarterly Service Required – Contact JCI, 2=Yearly Service Required – Contact JCI, 3=3 Year Service Required – Contact JCI, 4=5 Year Service Required – Contact JCI, 5=Replace Oil filter, 6=Free Cooling Valve Opening Inhibited, 7=Free Cooling Valve Closing Inhibited | |
| AV | 418 | SYS 2 WARNING CODE | Sys 2 Warning Code | Read | 0=No Faults/Inhbits Present, 1=Quarterly Service Required – Contact JCI, 2=Yearly Service Required – Contact JCI, 3=3 Year Service Required – Contact JCI, 4=5 Year Service Required – Contact JCI, 5=Replace Oil filter, 6=Free Cooling Valve Opening Inhibited, 7=Free Cooling Valve Closing Inhibited | |
| AV | 74 | SYS 1 FAN KW | Sys 1 Fan Kw | kW | Read | |
| AV | 75 | SYS 1 COMPRESSOR KW | Sys 1 Compressor Kw | kW | Read | |
| AV | 76 | SYS 2 FAN KW | Sys 2 Fan Kw | kW | Read | |
| AV | 77 | SYS 2 COMPRESSOR KW | Sys 2 Compressor Kw | kW | Read | |
| AV | 501 | SYS 1 OPERATIONAL CODE AV | Sys 1 Operational Code AV | Read | 63=Manual Override, 64=Daily Schedule Shutdown, 65=Unit Switch OFF, 66=Remote Controlled Shutdown, 67=Loss of External Communications, 68=Flow Switch Shutdown, 69=VSD Cooling Shutdown, 70=Serial Number Shutdown, 72=Discharge Superheat Recovery, 74=No Run Permissive, 75=Anti-Recycle Timer Active, 76=System Switch OFF, 77=System Not Running, 78=System Running, 79=Discharge Pressure Limiting, 80=Suction Pressure Limiting, 81=Motor Current Limiting, 82=Free Cooling, 83=BAS Motor Current Limiting, 84=Remote Motor Current Limiting, 85=System Pumping Down, 86=VSD PreCharging, 87=VSD Baseplate Temp Limiting, 88=VSD Internal Ambient Temp Limiting, 89=Sound Limiting, 90=BAS Sound Limiting, 91=Remote Sound Limiting, 92=Pulldown Motor Current Limiting, 93=Cooling Demand Shutdown, 94=Input Current Limiting, 95=BAS (ISN) Input Current Limiting, 96=Remote Input Current Limiting, 97=Pulldown Input Current Limiting | |
| AV | 502 | SYS 1 FAULT CODE AV | Sys 1 Fault Code AV | Read | 0=No Faults/Inhbits Present, 1=Low Ambient Temperature, 2=High Ambient Temperature, 3=Low Chilled Liquid Temperature, 4=VSD Initialization Failure, 5=Low RTC Battery Voltage, 6=Invalid Number of Compressors Selected, 7=VSD Communications Failure, 8=Pre-charge Low DC Bus Voltage, 9=Pre-charge DC Bus Voltage Imbalance, 10=High DC Bus Voltage, 11=Low DC Bus Voltage, 12=DC Bus Voltage Imbalance, 13=High VSD Ambient Temperature, 14=Single Phase Input, 15=VSD Power Supply Fault, 16=VSD Logic Board Fault, 17=Motor Current Overload (Hardware), 18=CT Plug Fault, 19=High Harmonic Filter Temperature, 20=Evap Anti-Freeze Pump Fault, 21=Low Heat Exchanger Temperature, 27=High Discharge Pressure, 28=High Differential Oil Pressure, 29=Low Differential Oil Pressure, 30=Low Suction Pressure, 31=High Discharge Temperature, 33=Eductor Clog Fault, 34=Sensor Failure, 35=Low Motor Current, 36=High Motor Temperature, 37=Pre-charge Low DC Bus Voltage, 38=Pre-charge DC Bus Voltage Imbalance, 39=High DC Bus Voltage, 40=Low DC Bus Voltage, 41=DC Bus Voltage Imbalance, 42=High Motor Current, 43=Motor Current Overload, 44=IGBT Gate Driver Fault, 45=High Baseplate Temperature, 46=Single Phase Input, 47=VSD Run Signal Fault, 48=High Discharge Press (HPCO), 49=Low Suction Superheat, 50=Control Voltage Fault, 51=Low Discharge Superheat, 52=Low Suction Pressure Smart Freeze, 53=Isolation Valve Failed to Close Warning, 54=Isolation Valve Failed to Open Fault, 55=High Discharge Pressure Rate, 56=Condenser Fan VSD Fault Warning | |
| AV | 503 | SYS 2 OPERATIONAL CODE AV | Sys 2 Operational Code AV | Read | 63=Manual Override, 64=Daily Schedule Shutdown, 65=Unit Switch OFF, 66=Remote Controlled Shutdown, 67=Loss of External Communications, 68=Flow Switch Shutdown, 69=VSD Cooling Shutdown, 70=Serial Number Shutdown, 72=Discharge Superheat Recovery, 74=No Run Permissive, 75=Anti-Recycle Timer Active, 76=System Switch OFF, 77=System Not Running, 78=System Running, 79=Discharge Pressure Limiting, 80=Suction Pressure Limiting, 81=Motor Current Limiting, 82=Free Cooling, 83=BAS Motor Current Limiting, 84=Remote Motor Current Limiting, 85=System Pumping Down, 86=VSD PreCharging, 87=VSD Baseplate Temp Limiting, 88=VSD Internal Ambient Temp Limiting, 89=Sound Limiting, 90=BAS Sound Limiting, 91=Remote Sound Limiting, 92=Pulldown Motor Current Limiting, 93=Cooling Demand Shutdown, 94=Input Current Limiting, 95=BAS (ISN) Input Current Limiting, 96=Remote Input Current Limiting, 97=Pulldown Input Current Limiting | |
| AV | 504 | SYS 2 FAULT CODE AV | Sys 2 Fault Code AV | Read | 0=No Faults/Inhbits Present, 1=Low Ambient Temperature, 2=High Ambient Temperature, 3=Low Chilled Liquid Temperature, 4=VSD Initialization Failure, 5=Low RTC Battery Voltage, 6=Invalid Number of Compressors Selected, 7=VSD Communications Failure, 8=Pre-charge Low DC Bus Voltage, 9=Pre-charge DC Bus Voltage Imbalance, 10=High DC Bus Voltage, 11=Low DC Bus Voltage, 12=DC Bus Voltage Imbalance, 13=High VSD Ambient Temperature, 14=Single Phase Input, 15=VSD Power Supply Fault, 16=VSD Logic Board Fault, 17=Motor Current Overload (Hardware), 18=CT Plug Fault, 19=High Harmonic Filter Temperature, 20=Evap Anti-Freeze Pump Fault, 21=Low Heat Exchanger Temperature, 27=High Discharge Pressure, 28=High Differential Oil Pressure, 29=Low Differential Oil Pressure, 30=Low Suction Pressure, 31=High Discharge Temperature, 33=Eductor Clog Fault, 34=Sensor Failure, 35=Low Motor Current, 36=High Motor Temperature, 37=Pre-charge Low DC Bus Voltage, 38=Pre-charge DC Bus Voltage Imbalance, 39=High DC Bus Voltage, 40=Low DC Bus Voltage, 41=DC Bus Voltage Imbalance, 42=High Motor Current, 43=Motor Current Overload, 44=IGBT Gate Driver Fault, 45=High Baseplate Temperature, 46=Single Phase Input, 47=VSD Run Signal Fault, 48=High Discharge Press (HPCO), 49=Low Suction Superheat, 50=Control Voltage Fault, 51=Low Discharge Superheat, 52=Low Suction Pressure Smart Freeze, 53=Isolation Valve Failed to Close Warning, 54=Isolation Valve Failed to Open Fault, 55=High Discharge Pressure Rate, 56=Condenser Fan VSD Fault Warning | |
| AV | 450 | FREE COOLING MODE AV | Free Cooling Mode AV (If Free Cooling Enabled) | Read | 0=Mechanical, 1=Free Cooling, 2=Hybrid |
No points match these filters.
Object ID lookup: York YVAA / YVFA / YAGK point IDs by name
AV1REMOTE SETPOINTAV2REM CURRENT LIMIT SETPAV3REMOTE SOUND LIMITBV1REM START STOP CMDBV2REM FC VALVE OPEN INHIBITBV3REM FC VALVE CLOSE INHIBITBV4HISTORY REQUESTMV65001UnitsAV5LEAVING CHILLED LIQ TEMPAV6ENTERING CHILLED LIQ TEMPAV7VSD INT AMBIENT TEMPAV8SYS 1 COND TEMPAV9SYS 1 DISCH TEMPAV10OUTSIDE AMBIENT AIR TEMPAV11SYS 1 EDUCTOR TEMPAV12SYS 1 OIL PRESSAV13SYS 1 SUCT PRESSAV14SYS 1 DISCH PRESSAV15SYS 1 COMP PCT FLAAV16SYS 1 HOURSAV17SYS 1 STARTSAV18SYS 1 HIGHEST MOTOR TEMPAV19SYS 2 HIGHEST MOTOR TEMPAV20SYS 2 EDUCTOR TEMPAV21SYS 2 OIL PRESSAV22SYS 2 SUCT PRESSAV23SYS 2 DISCH PRESSAV24SYS 2 COMP PCT FLAAV25SYS 2 HOURSAV26SYS 2 STARTSAV27VSD OUTPUT FREQUENCYAV28SYS 1 COND DRAIN VALVE PCTAV29SYS 2 COND DRAIN VALVE PCTBV5CHILLER RUNBV6CHILLER ALARMBV7EVAPORATOR HEATER STATUSBV8EVAPORATOR PUMP STATUSBV9SYS 1 COMP RUN STATUSBV10SYS 2 COMP RUN STATUSBV11SYS 1 VI STEP SOL VALVE 1 STATUSBV12SYS 2 VI STEP SOL VALVE 1 STATUSBV13SYS 1 VI STEP SOL VALVE 2 STATUSBV14SYS 2 VI STEP SOL VALVE 2 STATUSBV17EVAP ANTI-FREEZE FLOW SWITCHBV18EVAP ANTI-FREEZE PUMP RUNBV19COOLING TYPEBV20LOCAL REMOTE CONTROL MODEBV21DISPLAY UNITSBV22READY TO STARTMV1SYS 1 OPERATIONAL CODEMV2SYS 1 FAULT CODEMV3SYS 2 OPERATIONAL CODEMV4SYS 2 FAULT CODEAV405SYS 1 COND FAN STAGES RUNAV406SYS 1 COND FAN SPEED PCTAV407SYS 2 COND FAN STAGES RUNAV408SYS 2 COND FAN SPEED PCTAV409LEAD SYSTEM NUMBERAV30LOCAL LEAVING CHILL LIQ SETPAV31LOW LEAVING CHILL LIQ CUTOUTAV32SYS 1 ECON VALVE PCTAV33SYS 2 ECON VALVE PCTAV34LOW SUCT PRESS CUTOUTAV35VSD DC BUS VOLTAV36REM LEAVING CHILL LIQ SETPAV37SYS 1 SUBCOOLING / SYS 1 EVAPORATOR LEVELAV38COOLING RANGEAV39SYS 1 DISCH SUPERHEATAV40SYS 2 COND TEMPAV41SYS 2 DISCH TEMPAV42SYS 2 SUBCOOLING / SYS 2 EVAPORATOR LEVELAV43SYS 2 DISCH SUPERHEATBV25SYS 1 LOCKOUTBV26SYS 2 LOCKOUTBV27FLOW SWITCH STATUSAV48EVAP ENTER LIQ TEMPAV49COOLING COIL TEMPAV50HEAT EXCH LEAVE TEMPAV51HEAT EXCH ENTER TEMPAV52GLY PMP SPDAV53COOLING COIL VALVEAV54COOLING COIL BYP VALVEAV63SYS 1 XL COND FAN SPD CMDAV64SYS 2 XL COND FAN SPD CMDAV70VSD COMMAND FREQUENCYBV35FREE COOLING VALVEBV36SOFT SHUTDOWNBV37REMOTE EVAPORATORBV38QUICK STARTBV40GLYCOL PUMP RUNBV41GLYCOL HEATERBV44SYS 1 COND FAN VSD FLTBV45SYS 2 COND FAN VSD FLTMV12FREE COOLING MODEMV13SYS 1 SYSTEM STATEMV14SYS 2 SYSTEM STATEAV415SYS 1 SYSTEM STATE AVAV416SYS 2 SYSTEM STATE AVAV417SYS 1 WARNING CODEAV418SYS 2 WARNING CODEAV74SYS 1 FAN KWAV75SYS 1 COMPRESSOR KWAV76SYS 2 FAN KWAV77SYS 2 COMPRESSOR KWAV501SYS 1 OPERATIONAL CODE AVAV502SYS 1 FAULT CODE AVAV503SYS 2 OPERATIONAL CODE AVAV504SYS 2 FAULT CODE AVAV450FREE COOLING MODE AV
Integration notes
- Access is inferred: the sheet has no read/write column. The remote block (AV 1, AV 2, AV 3, BV 1, BV 2, BV 3, BV 4) is treated as commandable and MV 65001 as writable; everything else as read-only.
- AV 37 and AV 42 mean subcooling on microchannel condensers and evaporator level on round-tube condensers; they are merged into one row each.
- Free cooling points (BV 35, BV 40-41, AV 48-54, MV 12, AV 450) only apply to YVFA units with free cooling enabled; condenser fan points depend on the fan control type.
- Operational and fault code MVs (MV 1-4) use the Status Codes tables + 1, as the sheet says to add 1 for BACnet MSV values; the AV copies (AV 501-504) and the warning code AVs (AV 417-418) use the raw code. This list has no warning code MVs.
- Multistate states with their own enum in the points table (Units, system state, free cooling mode) are shown as printed, from 0. BACnet multistate values start at 1, so the device 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, bar and so on. Spare and reserved objects are left out.
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 YVAA / YVFA / YAGK 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 YVAA / YVFA / YAGK Chiller (SC-EQ)
How many BACnet points does the York YVAA / YVFA / YAGK Chiller (SC-EQ) have?
This list has 109 BACnet objects: 70 analog values, 31 binary values, 8 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which York YVAA / YVFA / YAGK Chiller (SC-EQ) BACnet points are writable?
8 of the 109 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 YVAA / YVFA / YAGK Chiller (SC-EQ) BACnet documentation?
The source is YVAA / YVFA / YAGK SC-EQ BAS Points List, revision Rev 2.16, 2023-01-03, published free by York at https://docs.johnsoncontrols.com/chillers/api/khub/documents/v3G3YemU0Ic3bTVhJD0MOw/content.
What are the minimum BACnet points to integrate the York YVAA / YVFA / YAGK Chiller (SC-EQ)?
Start with BV 1 REM START STOP CMD (Remote start/stop (1 = run)); AV 1 REMOTE SETPOINT (Remote leaving chilled liquid setpoint); AV 2 REM CURRENT LIMIT SETP (Remote current limit, %); BV 5 CHILLER RUN (Chiller running); BV 20 LOCAL REMOTE CONTROL MODE (Must read Remote (1) for BMS control); AV 5 LEAVING CHILLED LIQ TEMP (Leaving chilled liquid temperature); AV 27 VSD OUTPUT FREQUENCY (Compressor VSD frequency (load indication)); BV 6 CHILLER ALARM (Chiller alarm active); MV 2 SYS 1 FAULT CODE (Sys 1 fault/inhibit code (1 = none)); MV 4 SYS 2 FAULT CODE (Sys 2 fault/inhibit code (1 = none)).
How do I enable BMS control of the York YVAA / YVFA / YAGK Chiller (SC-EQ)?
BV 20 shows Local or Remote control mode. The points list gives no point to change it and no write-enable point.
Does the York YVAA / YVFA / YAGK Chiller (SC-EQ) need a BACnet heartbeat or have a communication timeout?
The operational code list includes 'Loss of External Communications'; the sheet gives no timeout or heartbeat point.
How do I check these points on the real YVAA / YVFA / YAGK 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 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 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, 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: YVAA / YVFA / YAGK SC-EQ BAS Points List · rev. Rev 2.16, 2023-01-03. Object names, instances and units are reproduced as published; descriptions are our own.