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Water-cooled screw chiller / water-to-water heat pump (via SC-EQ card) · BACnet points list
York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ) BACnet points list
Updated 28 October 2026
YORK by Johnson Controls YVWH, YVWE and YGWH water-cooled screw units share one SC-EQ list on BACnet MS/TP (or Modbus RTU / N2). A Read/Write block holds start/stop, run mode (cool, ice storage, heat pump, remote), leaving water setpoints per mode and over-current percentages per mode. Read points cover water temperatures, pressures, per-system motor and VSD values, and bit-coded digital I/O and fault words.
This page lists 79 BACnet objects for the York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ) — 9 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
- YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)
- Equipment
- Water-cooled screw chiller / water-to-water heat pump (via SC-EQ card)
- Equipment type
- Chillers
- BACnet objects
- 79 (9 writable)
- Transport
- BACnet MS/TP
- Firmware
- SC-EQ software 3.5.0.11
- Default device instance
- 5000 + MAC address
- Also known as
- YORK YVWH, YVWH-200, YORK YVWE, YORK YGWH, SC-EQ, water-to-water screw heat pump
BMS integration notes: York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)
Select the run mode with MV 1, start/stop with BV 1, and write the setpoint for the active mode (AV 1 cooling, AV 3 heat pump). MV 2 shows whether the unit is under local, remote or communication control. Read leaving water temperatures, % FLA and VSD run status, and alarm on BV 2.
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 | START|STOP | Start/stop command (1 = start) | Write |
| MV 1 | RUN MODE | Mode: cool, ice storage, heat pump, remote | Write |
| AV 1 | LEAVING CHILLED LIQUID SETPOINT AC | Leaving chilled liquid setpoint, cooling mode | Write |
| AV 3 | LEAVING HEAT LIQUID SETPOINT HP | Leaving hot liquid setpoint, heat pump mode | Write |
| AV 21 | OVER CURRENT PERCENT AC | Over-current setting, %, cooling mode (no detail in sheet) | Write |
| MV 2 | CONTROL MODE | Control mode: local, remote or communication | Read |
| MV 3 | SYS 1 VSD RUN STATUS | Compressor 1 VSD running, stopped or fault | Read |
| AV 9 | LEAVING CHILLED LIQUID TEMPERATURE | Leaving chilled liquid temperature | Read |
| AV 24 | SYS 1 PERCENT FLA | Compressor 1 current, % FLA | Read |
| BV 2 | FAULT | Unit fault (1 = fault) | Read |
Enable & remote start
MV 2 reports the control mode (local, remote, communication). The sheet does not say how to select it and gives no write-enable 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.
- Leaving water setpoints are per mode (AC, ICS, HP, HTHP) and over-current percentages per mode (AC, ICS, HP); write the ones for the mode selected in MV 1.
York YVWH / YVWE / YGWH Water-Cooled Screw (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.
| Description | States | |||||
|---|---|---|---|---|---|---|
| BVmin | 1 | START|STOP | Start/Stop | Write | 0=Stop, 1=Start | |
| MVmin | 1 | RUN MODE | Run Mode | Write | 0=Cool, 1=ice storage, 2=heat pump, 3=remote | |
| AVmin | 1 | LEAVING CHILLED LIQUID SETPOINT AC | Leaving chilled liquid setpoint, cooling (AC) mode | °F | Write | |
| AV | 2 | LEAVING CHILLED LIQUID SETPOINT ICS | Leaving chilled liquid setpoint, ice storage (ICS) mode | °F | Write | |
| AVmin | 3 | LEAVING HEAT LIQUID SETPOINT HP | Leaving hot liquid setpoint, heat pump (HP) mode | °F | Write | |
| AV | 4 | LEAVING HEAT LIQUID SETPOINT HTHP | Leaving hot liquid setpoint, high-temperature heat pump mode | °F | Write | |
| AVmin | 21 | OVER CURRENT PERCENT AC | Over current percent, cooling (AC) mode | % | Write | |
| AV | 22 | OVER CURRENT PERCENT ICS | Over current percent, ice storage (ICS) mode | % | Write | |
| AV | 23 | OVER CURRENT PERCENT HP | Over current percent, heat pump (HP) mode | % | Write | |
| BVmin | 2 | FAULT | Fault | Read | 0=no fault, 1=fault exist | |
| BV | 3 | TIME LIMITATION | Time Limitation | Read | 0=no time limitation, 1=time limitation | |
| BV | 4 | PREHEAT | Preheat | Read | 0=no preheat, 1=preheat | |
| MVmin | 2 | CONTROL MODE | Control Mode | Read | 0=local, 1=remote, 2=communication | |
| AV | 5 | SYS 1 DIGITAL OUTPUT | System 1 digital outputs, bit-coded | Read | Bit 0=Liquid Pump, Bit 1=Compressor Y Contact, Bit 2=Compressor Δ Contact, Bit 3=Oil Heater, Bit 4=Hot Gas Bypass, Bit 5=Alarm, Bit 6=Liquid Injection Oil Cooling, Bit 7=DO18, Bit 8=Unit Running, Bit 9=Oil Supply Circuit, Bit 12=Slide Stop Load, Bit 13=Slide Stop Unload, Bit 14=Slide Valve Load, Bit 15=Slide Valve Unload (1=on) | |
| AV | 6 | SYS 1 DIGITAL INPUT | System 1 digital inputs, bit-coded | Read | Bit 0=Chilled Liquid Flow Switch, Bit 1=Mode Switch, Bit 2=High Pressure Switch, Bit 3=Low Oil Level Switch, Bit 4=Motor Internal Protect, Bit 5=External Interlock/Power Protect, Bit 6=Starter Running Feedback, Bit 7=Remote Switch, Bit 8=EM Stop, Bit 9=Starter Fault Feedback, Bit 10=Condenser Liquid Flow Switch (1=closed) | |
| AV | 7 | LEAVING CONDENSER LIQUID TEMPERATURE | Leaving Condenser Liquid Temperature | °F | Read | |
| AV | 8 | RETURN CONDENSER LIQUID TEMPERATURE | Return Condenser Liquid Temperature | °F | Read | |
| AVmin | 9 | LEAVING CHILLED LIQUID TEMPERATURE | Leaving Chilled Liquid Temperature | °F | Read | |
| AV | 10 | RETURN CHILLED LIQUID TEMPERATURE | Return Chilled Liquid Temperature | °F | Read | |
| AV | 11 | SYS 1 DISCHARGE TEMPERATURE | Sys 1 Discharge Temperature | °F | Read | |
| AV | 12 | EVAPORATOR PRESSURE | Evaporator Pressure | PSIG | Read | |
| AV | 13 | CONDENSER PRESSURE | Condenser Pressure | PSIG | Read | |
| AV | 14 | SYS 1 OIL PRESSURE | Sys 1 Oil Pressure | PSIG | Read | |
| AV | 15 | SYS 1 MOTOR CURRENT | Sys 1 Motor Current | Amps | Read | |
| AV | 16 | SYS 1 DIGITAL INPUT FAULT | System 1 digital input faults, bit-coded | Read | Bit 0=Cycling Stop-Chilled Liquid Flow Switch Open, Bit 1=Cycling Stop-Condenser Liquid Flow Switch Open, Bit 2=Safety Fault-SYS1 High Pressure Contact Open, Bit 3=Safety Fault-Low Level Switch Open, Bit 4=Safety Fault-SYS1 Compressor Motor Protection, Bit 5=Safety Fault-External Interlock Protection, Bit 6=Safety Fault-SYS1 Compressor Start Fail, Bit 7=Safety Fault-Emergency Stop Pressed, Bit 8=Start Inhibit-Oil Heat Over 5 Hour Before Start, Bit 9=Safety Fault-Evaporator Smart Freeze Protection (1=fault) | |
| AV | 17 | SYS 1 ANALOG INPUT FAULT | System 1 analog input (sensor) faults, bit-coded | Read | Bit 0=Safety Fault-Leaving Condenser Temp. Sensor Fault, Bit 1=Safety Fault-Return Condenser Temp. Sensor Fault, Bit 2=Safety Fault-Leaving Chilled Sensor Fault, Bit 3=Safety Fault-Return Chilled Temp. Sensor Fault, Bit 4=Safety Fault-SYS1 Discharge Temp. Sensor Fault, Bit 10=Safety Fault-Leaving Hot Liquid Temp. Sensor Fault, Bit 11=Safety Fault-Return Hot Liquid Temp. Sensor Fault, Bit 12=Safety Fault-Evaporator Pressure Out Of Range Fault, Bit 13=Safety Fault-Condenser Pressure Sensor Fault, Bit 14=Safety Fault-SYS1 Oil Pressure Sensor Fault (1=fault) | |
| AV | 18 | SYS 1 FAULT | System 1 faults, bit-coded | Read | Bit 0=Safety Fault-Condenser High Pressure, Bit 1=Safety Fault-Evaporator Low Pressure, Bit 2=Safety Fault-SYS1 Discharge High Temp., Bit 3=Safety Fault-SYS1 Compressor Over Current, Bit 4=Safety Fault-SYS1 Compressor Low Current, Bit 5=Cycling Stop-Leaving Condenser High Temperature, Bit 6=Cycling Stop-Leaving Chilled Liquid Low Temperature, Bit 7=Safety Fault-SYS1 Oil Low Diff. Pressure, Bit 8=Safety Fault-SYS1 Oil Clogged Filter, Bit 9=Cycling Stop-SYS1 Anti-Recycle, Bit 10=Cycling Stop-Leaving Hot Liquid High Temperature, Bit 11=Safety Fault-SYS1 Oil Supply Fail, Bit 12=Safety Fault-SYS1 Discharge Low Superheat, Bit 13=Safety Fault-SYS1 Motor High Temperature, Bit 14=Cycling Stop-SYS1 Discharge High Temp. (1=fault) | |
| AV | 19 | WATER PUMP WORK HOURS | Water Pump Work Hours | Hours | Read | |
| AV | 20 | SYS 1 COMPRESSOR WORK HOURS | Sys 1 Compressor Work Hours | Hours | Read | |
| AVmin | 24 | SYS 1 PERCENT FLA | Sys 1 Percent FLA | % | Read | |
| AV | 25 | EVAPORATOR SATURATION TEMPERATURE | Evaporator Saturation Temperature | °F | Read | |
| AV | 26 | CONDENSER SATURATION TEMPERATURE | Condenser Saturation Temperature | °F | Read | |
| AV | 27 | DISCHARGE SUPERHEAT | Sys 1 Discharge Superheat | °F (diff) | Read | |
| AV | 28 | SYS 1 MOTOR TEMPERATURE A | Sys 1 Motor Temperature A | °F | Read | |
| AV | 29 | SYS 1 MOTOR TEMPERATURE B | Sys 1 Motor Temperature B | °F | Read | |
| AV | 30 | SYS 1 MOTOR TEMPERATURE C | Sys 1 Motor Temperature C | °F | Read | |
| AV | 31 | LIQUID LEVEL | Liquid Level | % | Read | |
| AV | 32 | LEVEL CONTROL AO | Level Control AO | % | Read | |
| AV | 33 | LEVEL SETPOINT | Level Setpoint | % | Read | |
| AV | 34 | LEVEL CONTROL PB | Level Control Pb | % | Read | |
| AV | 35 | LEVEL CONTROL TN | Level Control Tn | Sec | Read | |
| AV | 36 | LEVEL CONTROL PERIOD | Level Control Period | Sec | Read | |
| MVmin | 3 | SYS 1 VSD RUN STATUS | Sys 1 VSD Run Status | Read | 0=No Communication, 1=Forward Running, 2=Reverse Running, 3=Stopped, 4=Tuned, 5=Fault | |
| AV | 38 | SYS 1 FREQUENCY COMMAND | Sys 1 VSD Frequency Command | Hz | Read | |
| AV | 39 | SYS 1 VSD FREQUENCY RUNNING | Sys 1 VSD Frequency Running | Hz | Read | |
| AV | 40 | SYS 1 VSD BUS VOLTAGE | Sys 1 VSD BUS Voltage | Volts | Read | |
| AV | 41 | SYS 1 VSD OUTPUT VOLTAGE | Sys 1 VSD Output Voltage | Volts | Read | |
| AV | 42 | SYS 1 VSD OUTPUT CURRENT | Sys 1 VSD Output Current | Amps | Read | |
| AV | 43 | SYS 1 VSD OUTPUT POWER | Sys 1 VSD Output Power | kW | Read | |
| AV | 44 | SYS 1 VSD HEATSINK TEMPERATURE | Sys 1 VSD Heatsink Temperature | °F | Read | |
| AV | 45 | SYS 1 VSD FAULT CODE | Sys 1 VSD Fault Code | Read | ||
| AV | 46 | SYS 1 FAIL RATE | Sys 1 Fail Rate | % | Read | |
| AV | 47 | VSD COMMAND PERIOD | VSD Command Period | Sec | Read | |
| AV | 48 | VSD PB | VSD Pb | % | Read | |
| AV | 49 | VSD TN | VSD Tn | Sec | Read | |
| AV | 50 | SYS 2 DIGITAL OUTPUT | System 2 digital outputs, bit-coded | Read | Bit 1=Compressor Y Contact, Bit 2=Compressor Δ Contact, Bit 6=Liquid Injection Oil Cooling, Bit 9=Oil Supply Circuit, Bit 12=Slide Stop Load, Bit 13=Slide Stop Unload, Bit 14=Slide Valve Load, Bit 15=Slide Valve Unload (1=on) | |
| AV | 51 | SYS 2 DIGITAL INPUT | System 2 digital inputs, bit-coded | Read | Bit 2=High Pressure Switch, Bit 4=Motor Internal Protect, Bit 6=Starter Running Feedback, Bit 9=Starter Fault Feedback (1=closed) | |
| AV | 52 | SYS 2 DISCHARGE TEMPERATURE | Sys 2 Discharge Temperature | °F | Read | |
| AV | 55 | SYS 2 OIL PRESSURE | Sys 2 Oil Pressure | PSIG | Read | |
| AV | 56 | SYS 2 MOTOR CURRENT | Sys 2 Motor Current | Amps | Read | |
| AV | 57 | SYS 2 DIGITAL INPUT FAULT | System 2 digital input faults, bit-coded | Read | ||
| AV | 58 | SYS 2 ANALOG INPUT FAULT | System 2 analog input faults, bit-coded | Read | ||
| AV | 59 | SYS 2 FAULT | System 2 faults, bit-coded | Read | ||
| AV | 60 | SYS 2 COMPRESSOR WORK HOURS | Sys 2 Compressor Work Hours | Hours | Read | |
| AV | 61 | SYS 2 PERCENT FLA | Sys 2 Percent FLA | % | Read | |
| AV | 62 | SYS 2 DISCHARGE SUPERHEAT | Sys 2 Discharge Superheat | °F (diff) | Read | |
| AV | 63 | SYS 2 MOTOR TEMPERATURE A | Sys 2 Motor Temperature A | °F | Read | |
| AV | 64 | SYS 2 MOTOR TEMPERATURE B | Sys 2 Motor Temperature B | °F | Read | |
| AV | 65 | SYS 2 MOTOR TEMPERATURE C | Sys 2 Motor Temperature C | °F | Read | |
| MV | 4 | SYS 2 VSD RUN STATUS | Sys 2 VSD Run Status | Read | 0=No Communication, 1=Forward Running, 2=Reverse Running, 3=Stopped, 4=Tuned, 5=Fault | |
| AV | 67 | SYS 2 VSD FREQUENCY COMMAND | Sys 2 VSD Frequency Command | Hz | Read | |
| AV | 68 | SYS 2 VSD FREQUENCY RUNNING | Sys 2 VSD Frequency Running | Hz | Read | |
| AV | 69 | SYS 2 VSD BUS VOLTAGE | Sys 2 VSD BUS Voltage | Volts | Read | |
| AV | 70 | SYS 2 VSD OUTPUT VOLTAGE | Sys 2 VSD Output Voltage | Volts | Read | |
| AV | 71 | SYS 2 VSD OUTPUT CURRENT | Sys 2 VSD Output Current | Amps | Read | |
| AV | 72 | SYS 2 VSD OUTPUT POWER | Sys 2 VSD Output Power | kW | Read | |
| AV | 73 | SYS 2 VSD HEATSINK TEMPERATURE | Sys 2 VSD Heatsink Temperature | °F | Read | |
| AV | 74 | SYS 2 VSD FAULT CODE | Sys 2 VSD Fault Code | Read | ||
| AV | 75 | SYS 2 FAIL RATE | Sys 2 Fail Rate | % | Read |
No points match these filters.
Integration notes
- Access comes from the sheet's Read/Write and Read sections.
- Several AVs are bit-coded words (digital inputs/outputs and faults); the states list the bits. The sheet only gives bit tables written for system 1, so AV 57-59 have none.
- All MV enums are printed in the points table (the sheet has no add-1 note). Multistate states with their own enum in the points table are shown as printed, from 0. BACnet multistate values start at 1, so the device may report the printed number + 1; confirm by discovery (read the state text).
- Units shown are the IP units; with MV 65001 set to SI on the SC-EQ the card reports °C, kPa and so on.
- System 2 points apply to dual-compressor units.
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. Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the YVWH / YVWE / YGWH Water-Cooled Screw (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 YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)
How many BACnet points does the York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ) have?
This list has 79 BACnet objects: 71 analog values, 4 binary values, 4 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ) BACnet points are writable?
9 of the 79 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 YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ) BACnet documentation?
The source is YVWH YVWE YGWH SC-EQ BAS Points List, revision Rev 1.0, 2021-03-15, published free by York at https://docs.johnsoncontrols.com/chillers/api/khub/documents/TWAOtmjMD~xxMBlTMLA2QQ/content.
What are the minimum BACnet points to integrate the York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)?
Start with BV 1 START|STOP (Start/stop command (1 = start)); MV 1 RUN MODE (Mode: cool, ice storage, heat pump, remote); AV 1 LEAVING CHILLED LIQUID SETPOINT AC (Leaving chilled liquid setpoint, cooling mode); AV 3 LEAVING HEAT LIQUID SETPOINT HP (Leaving hot liquid setpoint, heat pump mode); AV 21 OVER CURRENT PERCENT AC (Over-current setting, %, cooling mode (no detail in sheet)); MV 2 CONTROL MODE (Control mode: local, remote or communication); MV 3 SYS 1 VSD RUN STATUS (Compressor 1 VSD running, stopped or fault); AV 9 LEAVING CHILLED LIQUID TEMPERATURE (Leaving chilled liquid temperature); AV 24 SYS 1 PERCENT FLA (Compressor 1 current, % FLA); BV 2 FAULT (Unit fault (1 = fault)).
How do I enable BMS control of the York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)?
MV 2 reports the control mode (local, remote, communication). The sheet does not say how to select it and gives no write-enable point.
How do I check these points on the real YVWH / YVWE / YGWH Water-Cooled Screw (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
- 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 - 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 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 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 - 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 - 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 - 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 - 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 - 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
Source: YVWH YVWE YGWH SC-EQ BAS Points List · rev. Rev 1.0, 2021-03-15. Object names, instances and units are reproduced as published; descriptions are our own.