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Make-up air unit / DOAS controller · BACnet points list
York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) BACnet points list
Updated 6 November 2026
JDMA DOAS units with the D21 makeup air program expose 80 objects through the optional BACnet MS/TP card: unit state and occupancy-source selectors, a BMS occupancy command, space temperature, humidity and CO2 setpoints, discharge air setpoints, air temperatures, damper, fan, compressor and heat outputs, pressures, mode flags and alarms.
This page lists 80 BACnet objects for the York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) — 21 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
- JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)
- Equipment
- Make-up air unit / DOAS controller
- Equipment type
- Rooftop units, AHUs & DOAS
- BACnet objects
- 80 (21 writable)
- Transport
- BACnet MS/TP, BACnet IP
- Firmware
- Not stated
- Default device instance
- 77000
- Also known as
- JDMA, YORK JDMA, Option D21, D21, 100.55-O2, LD18456, DOAS, makeup air
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 JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)
Set AV 1007 OccMode_Sel to 2 (BMS) and command occupancy with BV 26 Occupied_BMS; AV 1006 State_Sel picks Auto, Cool, Heat or Off. Write the space temperature setpoint and, for BMS source units, supply fan speed and damper position. Read occupied status, supply fan status, discharge and space temperatures and the general alarm.
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 |
|---|---|---|---|
| AV 1006 | State_Sel | Unit state: 2 Auto, 3 Cool, 4 Heat, 5 Off | Write |
| BV 26 | Occupied_BMS | Occupancy command from the BMS | Write |
| AV 1007 | OccMode_Sel | Occupancy source; 2 = BMS | Write |
| AV 28 | SpcTempSP | Space temperature setpoint | Write |
| AV 33 | SF_BMS | Supply fan speed, % (BMS source units) | Write |
| BV 25 | Occupied | Occupied mode in effect | Read |
| BV 32 | SF_Sts | Supply fan proven on | Read |
| AV 9 | DA_Temp | Discharge air temperature | Read |
| AV 25 | Spc_Temp | Space temperature | Read |
| BV 1 | Alm_Rly_Cmd | Unit general alarm | Read |
Enable & remote start
AV 1006 State_Sel sets Auto, Cool, Heat or Off (default 5 = Off). Occupancy comes from the schedule, a digital input or the BMS as chosen by AV 1007 OccMode_Sel; with 2 = BMS the unit follows BV 26 Occupied_BMS.
Sensors & values from the BMS
Set BV 24 OA_Temp_Sel and BV 23 OA_Hum_Sel to BMS (1), then write AV 20 OA_Temp_BMS and AV 18 OA_Hum_BMS.
Network setup
- BMS Config menu (Service > h): Protocol BACnet MSTP (or BACnet IP/Eth); Instance default 77000, Baudrate 9600/19200/38400/76800 (default 38400), MAC address 0-127.
- Set Termconf PlugIn to Yes, then on screen E.h.7 set Function to Write and Update to Yes to save; power cycle the controller afterwards.
- BACnet MS/TP needs the optional BMS communication card (option BHB8).
Watch out for
- The pressure objects in the integer block (AV 1001-1003 and AV 1010) are scaled: divide by 1000 for in. WC.
- Outdoor temperature and humidity from the BMS are used only when OA_Temp_Sel / OA_Hum_Sel are set to BMS.
- State_Sel defaults to 5 (Off); set it before expecting the unit to run.
York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) 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 | |||||
|---|---|---|---|---|---|---|
| AV | 1 | CC_Temp | Cooling Coil Discharge Air Temp | °F | Read | |
| AV | 2 | Comp_Mod_Out | DX Modulation Output % (range 0 to 100) | % | Read | |
| AV | 3 | DA_NAClg_SP | Discharge Air Temp Neutral Cooling SP (range 50 to 100), default 70 | °F | Write | |
| AV | 4 | DA_NAHtg_SP | Discharge Air Temp Neutral Heating SP (range 50 to 140), default 70 | °F | Write | |
| AV | 5 | DA_SP | Discharge Air Temp Active SP | °F | Read | |
| AV | 6 | DA_SpcClg_SP | Discharge Air Temp Space Cooling SP (range 50 to 100), default 55 | °F | Write | |
| AV | 7 | DA_SpcHtCl_SP | Discharge Air Temp Space Heat Mode Cooling SP (range 50 to 100), default 55 | °F | Write | |
| AV | 8 | DA_SpcHtg_SP | Discharge Air Temp Space Heating Sp (range 50 to 140), default 90 | °F | Write | |
| AVmin | 9 | DA_Temp | Discharge Air Temp | °F | Read | |
| AV | 10 | Damper_Cmd | Damper Output Command (range 0 to 100) | % | Read | |
| AV | 11 | DhOADP_SP | Dehum OA Dew Point SP (range 50 to 100), default 58 | °F | Write | |
| AV | 12 | EF_Spd_Cmd | Exhaust Fan Speed Command (range 15 to 100) | % | Read | |
| AV | 13 | ERV_DA_Temp | Energy Recovery Wheel Discharge Air Temp | °F | Read | |
| AV | 14 | Damper_BMS | Damper Output BMS Command (range 0 to 100) | % | Write | |
| AV | 15 | HX_Mod_Cmd | Heating Modulation Command (range 0 to 100) | % | Read | |
| AV | 16 | MA_Temp | Mixed Air Temp | °F | Read | |
| AV | 17 | OA_Dew_Point | Outside Air Dew Point | °F | Read | |
| AV | 18 | OA_Hum_BMS | Outdoor humidity from the BMS (used when OA_Hum_Sel = 1, BMS) | %RH | Write | |
| AV | 19 | OA_Hum_Raw | Outside Air Humidity | %RH | Read | |
| AV | 20 | OA_Temp_BMS | Outdoor air temperature from the BMS (used when OA_Temp_Sel = 1, BMS) | °F | Write | |
| AV | 21 | OA_Temp_Raw | Outside Air Temp | °F | Read | |
| AV | 22 | OAChgOv_SP | OA Change Over SP (range 45 to 80), default 65 | °F | Write | |
| AV | 23 | RH_Mod_Out | Reheat Modulation Output % (range 0 to 100) | % | Read | |
| AV | 24 | SF_VFD_Cmd | Supply Fan VFD Command (range 0 to 100) | % | Read | |
| AVmin | 25 | Spc_Temp | Space Temp | °F | Read | |
| AV | 26 | SpcEffClgSP | Space Effective Cooling SP | °F | Read | |
| AV | 27 | SpcEffHtgSP | Space Effective Heating SP | °F | Read | |
| AVmin | 28 | SpcTempSP | Space Temp SP (range 65 to 85), default 72 | °F | Write | |
| AV | 29 | RA_Temp | Return Air Temperature | °F | Read | |
| AV | 30 | RA_Humidity | Return Air Humidity | %RH | Read | |
| AV | 31 | EA_Temp | Exhaust Air Temperature | °F | Read | |
| AV | 32 | EA_Humidity | Exhaust Air Humidity | %RH | Read | |
| AVmin | 33 | SF_BMS | Supply Fan Output BMS Command (range 0 to 100) | % | Write | |
| AV | 1001 | Bldg_Pressure | Building Static Pressure; value x 1000 | in. WC | Read | |
| AV | 1002 | Bldg_Press_SP | Building Static Pressure SP (range -500 to 500), default 100; value x 1000 | in. WC | Write | |
| AV | 1003 | Duct_Press_SP | Duct Static Pressure SP (range 0 to 2500), default 500; value x 1000 | in. WC | Write | |
| AV | 1004 | Spc_Hum | Space Humidity | %RH | Read | |
| AV | 1005 | SpcHumSP | Space Humidity SP (range 35 to 75), default 55 | %RH | Write | |
| AVmin | 1006 | State_Sel | State Select 2=AUTO 3=COOL 4=HEAT 5=OFF (range 2 to 5), default 5 | Write | ||
| AVmin | 1007 | OccMode_Sel | Occ Mode Select 0= Schedule 1= Digital Input 2= BMS (range 0 to 2), default 1 | Write | ||
| AV | 1008 | Spc_CO2 | Space CO2 | ppm | Read | |
| AV | 1009 | SpcCO2SP | Space CO2 SP (range 0 to 2,000), default 1,000 | ppm | Write | |
| AV | 1010 | Duct_Pressure | Duct Static Pressure; value x 1000 | in. WC | Read | |
| BVmin | 1 | Alm_Rly_Cmd | Unit General Alarm Relay Command | Read | 0=Off, 1=On | |
| BV | 2 | Comp_Alarm | Modulating Compressor General Alarm | Read | 0=Off, 1=On | |
| BV | 3 | Comp_Stg2_Cmd | Compressor Stage 2 Command | Read | 0=Off, 1=On | |
| BV | 4 | Comp_Stg3_Cmd | Compressor Stage 3 Command | Read | 0=Off, 1=On | |
| BV | 5 | Comp_Stg4_Cmd | Compressor Stage 4 Command | Read | 0=Off, 1=On | |
| BV | 6 | EF_Cmd | Exhaust Fan Cmd | Read | 0=Off, 1=On | |
| BV | 7 | EF_Sts | Exhaust Fan Status | Read | 0=Off, 1=On | |
| BV | 8 | ERV_Cmd | Energy Recovery Wheel Command | Read | 0=Off, 1=On | |
| BV | 9 | Ext_OCC | Occupied Mode Input | Read | 0=Off, 1=On | |
| BV | 10 | Ext_Switch_1 | External Damper Position Sw 1 | Read | 0=Off, 1=On | |
| BV | 11 | Ext_Switch_2 | External Damper Position Sw 2 | Read | 0=Off, 1=On | |
| BV | 12 | Htr_1_Sts | Gas Heater 1 Status | Read | 0=Off, 1=On | |
| BV | 13 | Htr_2_Sts | Gas Heater 2 Status | Read | 0=Off, 1=On | |
| BV | 14 | HX_Stg1_Cmd | Heating Stage 1 Command | Read | 0=Off, 1=On | |
| BV | 15 | HX_Stg2_Cmd | Heating Stage 2 Command | Read | 0=Off, 1=On | |
| BV | 16 | HX_Stg3_Cmd | Heating Stage 3 Command | Read | 0=Off, 1=On | |
| BV | 17 | HX_Stg4_Cmd | Heating Stage 4 Command | Read | 0=Off, 1=On | |
| BV | 18 | HX_Stg5_Cmd | Heating Stage 5 Command | Read | 0=Off, 1=On | |
| BV | 19 | HX_Stg6_Cmd | Heating Stage 6 Command | Read | 0=Off, 1=On | |
| BV | 20 | NA_Clg_Md | Neutral Air Cooling Mode | Read | 0=Off, 1=On | |
| BV | 21 | NA_Dehum_Md | Neutral Air Dehum Mode | Read | 0=Off, 1=On | |
| BV | 22 | NA_Htg_Md | Neutral Air Heating Mode | Read | 0=Off, 1=On | |
| BV | 23 | OA_Hum_Sel | Share OA Humidity from BMS (0=Probe 1=BMS), default Off | Write | 0=Off, 1=On | |
| BV | 24 | OA_Temp_Sel | Share OA Temp from BMS (0=Probe 1=BMS), default Off | Write | 0=Off, 1=On | |
| BVmin | 25 | Occupied | Occupied Mode Status | Read | 0=Off, 1=On | |
| BVmin | 26 | Occupied_BMS | Occupied Mode BMS - Sets Unit Occupancy when OccMode_Sel is set to 2=BMS, default Off | Write | 0=Off, 1=On | |
| BV | 27 | Phase_Alarm | Phase Protection Alarm | Read | 0=Off, 1=On | |
| BV | 28 | Preheat_Cmd | Electric Preheat Command | Read | 0=Off, 1=On | |
| BV | 29 | Reheat_Alarm | Modulating Reheat Compressor General Alarm | Read | 0=Off, 1=On | |
| BV | 30 | Safety_Sts | Safety Input Status | Read | 0=Normal, 1=Alarm | |
| BV | 31 | SF_Cmd | Supply Fan Command | Read | 0=Off, 1=On | |
| BVmin | 32 | SF_Sts | Supply Fan Status | Read | 0=Off, 1=On | |
| BV | 33 | Spc_Clg_Md | Space Cooling Mode | Read | 0=Off, 1=On | |
| BV | 34 | Spc_Dehum_Md | Space Dehum Mode | Read | 0=Off, 1=On | |
| BV | 35 | Spc_Htg_Md | Space Heating Mode | Read | 0=Off, 1=On | |
| BV | 36 | Spc_HtgClg_Md | Space Heating Cooling Mode | Read | 0=Off, 1=On | |
| BV | 37 | Filter_Sts | Main or ERV Dirty Filter Status | Read | 0=Off, 1=On |
No points match these filters.
Object ID lookup: York JDMA DOAS D21 point IDs by name
AV1CC_TempAV2Comp_Mod_OutAV3DA_NAClg_SPAV4DA_NAHtg_SPAV5DA_SPAV6DA_SpcClg_SPAV7DA_SpcHtCl_SPAV8DA_SpcHtg_SPAV9DA_TempAV10Damper_CmdAV11DhOADP_SPAV12EF_Spd_CmdAV13ERV_DA_TempAV14Damper_BMSAV15HX_Mod_CmdAV16MA_TempAV17OA_Dew_PointAV18OA_Hum_BMSAV19OA_Hum_RawAV20OA_Temp_BMSAV21OA_Temp_RawAV22OAChgOv_SPAV23RH_Mod_OutAV24SF_VFD_CmdAV25Spc_TempAV26SpcEffClgSPAV27SpcEffHtgSPAV28SpcTempSPAV29RA_TempAV30RA_HumidityAV31EA_TempAV32EA_HumidityAV33SF_BMSAV1001Bldg_PressureAV1002Bldg_Press_SPAV1003Duct_Press_SPAV1004Spc_HumAV1005SpcHumSPAV1006State_SelAV1007OccMode_SelAV1008Spc_CO2AV1009SpcCO2SPAV1010Duct_PressureBV1Alm_Rly_CmdBV2Comp_AlarmBV3Comp_Stg2_CmdBV4Comp_Stg3_CmdBV5Comp_Stg4_CmdBV6EF_CmdBV7EF_StsBV8ERV_CmdBV9Ext_OCCBV10Ext_Switch_1BV11Ext_Switch_2BV12Htr_1_StsBV13Htr_2_StsBV14HX_Stg1_CmdBV15HX_Stg2_CmdBV16HX_Stg3_CmdBV17HX_Stg4_CmdBV18HX_Stg5_CmdBV19HX_Stg6_CmdBV20NA_Clg_MdBV21NA_Dehum_MdBV22NA_Htg_MdBV23OA_Hum_SelBV24OA_Temp_SelBV25OccupiedBV26Occupied_BMSBV27Phase_AlarmBV28Preheat_CmdBV29Reheat_AlarmBV30Safety_StsBV31SF_CmdBV32SF_StsBV33Spc_Clg_MdBV34Spc_Dehum_MdBV35Spc_Htg_MdBV36Spc_HtgClg_MdBV37Filter_Sts
Integration notes
- Access is from the R/W column. Binary states are shown from the Min/Max columns (Off/On, Normal/Alarm).
- Pressure objects in the integer variable block are printed with the note to divide by 1000 in the supervisory system.
- The same manual has a LonWorks point list (option BHB7), not reproduced here.
- Compared with the D19 list this program adds State_Sel, OccMode_Sel, Occupied_BMS, space temperature and humidity setpoints and has no Unit_Enable object; instance numbers differ between the two lists.
- AV 1006 State_Sel (2=Auto, 3=Cool, 4=Heat, 5=Off) and AV 1007 OccMode_Sel (0=Schedule, 1=Digital Input, 2=BMS) carry their codes in the description.
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 JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) 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 JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)
How many BACnet points does the York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) have?
This list has 80 BACnet objects: 43 analog values, 37 binary values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) BACnet points are writable?
21 of the 80 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 JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card) BACnet documentation?
The source is Dedicated Outside Air Systems (DOAS) Operations Manual, Model JDMA - Manual for Makeup Air Control, Option D21 (Option D21 BACnet Point List) (100.55-O2 (1015)), revision 2015-10, published free by York at https://docs.johnsoncontrols.com/ductedsystems/api/khub/documents/GKywNRPcbHXBg1PrW2~4wQ/content.
What are the minimum BACnet points to integrate the York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)?
Start with AV 1006 State_Sel (Unit state: 2 Auto, 3 Cool, 4 Heat, 5 Off); BV 26 Occupied_BMS (Occupancy command from the BMS); AV 1007 OccMode_Sel (Occupancy source; 2 = BMS); AV 28 SpcTempSP (Space temperature setpoint); AV 33 SF_BMS (Supply fan speed, % (BMS source units)); BV 25 Occupied (Occupied mode in effect); BV 32 SF_Sts (Supply fan proven on); AV 9 DA_Temp (Discharge air temperature); AV 25 Spc_Temp (Space temperature); BV 1 Alm_Rly_Cmd (Unit general alarm).
How do I enable BMS control of the York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)?
AV 1006 State_Sel sets Auto, Cool, Heat or Off (default 5 = Off). Occupancy comes from the schedule, a digital input or the BMS as chosen by AV 1007 OccMode_Sel; with 2 = BMS the unit follows BV 26 Occupied_BMS.
Can the BMS supply sensor values to the York JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)?
Set BV 24 OA_Temp_Sel and BV 23 OA_Hum_Sel to BMS (1), then write AV 20 OA_Temp_BMS and AV 18 OA_Hum_BMS.
How do I check these points on the real JDMA DOAS, Option D21 Makeup Air Control (BACnet MS/TP card)?
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.
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Also known as: YORK YKEP, YK-EP, YKEP OptiView, E-Link, eLink, YorkTalk 3, 031-02430 - Water-cooled centrifugal heat pump chiller (via SC-EQ card)
York YKHT Centrifugal Heat Pump Chiller, YT3 panel (SC-EQ)
YORK YKHT two-stage centrifugal heat pump chillers with the YT3 control panel, fitted with the SC-EQ communication card.
Also known as: YORK YKHT, YKHT, YT3, YT3 YKHT, SC-EQ, YKHT heat pump chiller - Air-to-water modular heat pump (four-pipe)
York YMAE Four-Pipe Modular Heat Pump
YORK YMAE air-to-water modular heat pumps with inverter compressors in the four-pipe (simultaneous heating and cooling) version.
Also known as: YORK YMAE, YMAE-130, YMAE four pipe, air-to-water heat pump - Air-to-water modular heat pump (two-pipe)
York YMAE Two-Pipe Modular Heat Pump
YORK YMAE air-to-water modular heat pumps with inverter compressors in the two-pipe (heating or cooling) version.
Also known as: YORK YMAE, YMAE two pipe, YMAE 2-pipe, air-to-water heat pump - Water-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YMC2 Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK by Johnson Controls YMC2 oil-free, magnetic-bearing centrifugal chillers with a variable speed drive, fitted with the SC-EQ communication card.
Also known as: YMC2, YORK YMC2, YMC², SC-EQ, SC-EQUIP, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YMC2 Magnetic-Bearing Centrifugal Chiller - OptiView E-Link (YorkTalk 3)
YORK YMC2 magnetic-bearing centrifugal chillers with OptiView panel, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YMC2, YMC², YMC2 OptiView, E-Link, eLink, YorkTalk 3, 031-02430 - Water-cooled screw chiller (via SC-EQ card)
York YR Screw Chiller (OptiView, SC-EQ)
YORK YR water-cooled screw chillers with OptiView controls, fitted with the SC-EQ communication card.
Also known as: YORK YR, YR OptiView, YR chiller, SC-EQ, SE-SCC1001-1 - Water-cooled screw chiller (via E-Link gateway)
York YR Screw Chiller - OptiView E-Link (YorkTalk 3)
YORK YR water-cooled screw chillers with OptiView panel and standard or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YR, YR OptiView, E-Link, eLink, YorkTalk 3, 031-01730, 031-02430 - Water-cooled screw chiller (via E-Link gateway)
York YS / YN Screw Chiller - OptiView E-Link (YorkTalk 3)
YORK YS and YN water-cooled screw chillers with OptiView panel and standard or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YS, YORK YN, YS OptiView, YN OptiView, E-Link, eLink, YorkTalk 3 - Water-cooled screw chiller / heat pump (via SC-EQ card)
York YS / YS HP / YN Screw Chiller (SC-EQ)
YORK YS and YN water-cooled screw chillers and YS HP heat pumps with OptiView controls, fitted with the SC-EQ communication card.
Also known as: YORK YS, YS HP, YORK YN, YS heat pump, OptiView YS, SC-EQ, SE-SCC1001-1 - Air-cooled screw chiller
York YSAA Air-Cooled Screw Chiller (native BACnet MS/TP)
YORK YSAA air-cooled screw chillers (two refrigerant systems) with the 031-02550 board and its native BAS port.
Also known as: YORK YSAA, YSAA chiller, 031-02550, YSAA Native - Air-cooled screw chiller (via E-Link gateway)
York YSAA Air-Cooled Screw Chiller - BAS (ISN) E-Link (YorkTalk 2)
YORK YSAA air-cooled screw chillers (board 031-02550), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YSAA, YSAA BAS, E-Link, eLink, YorkTalk 2, 031-02550 - Steam-turbine-driven centrifugal chiller (via SC-EQ card)
York YST Steam Turbine Chiller (SC-EQ)
YORK YST steam-turbine-driven centrifugal chillers fitted with the SC-EQ communication card.
Also known as: YORK YST, YST chiller, steam turbine drive chiller, SC-EQ, SE-SCC1001-1 - Steam turbine driven centrifugal chiller (via E-Link gateway)
York YST Steam Turbine Chiller - OptiView E-Link (YorkTalk 3)
YORK YST steam turbine driven centrifugal chillers with OptiView panel, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YST, YST OptiView, steam turbine chiller, E-Link, eLink, YorkTalk 3 - Water-cooled centrifugal chiller (via SC-EQ card)
York YT Centrifugal Chiller (SC-EQ)
YORK YT water-cooled centrifugal chillers with OptiView controls, fitted with the SC-EQ communication card (VSD, solid-state or electro-mechanical starters).
Also known as: YORK YT, YT chiller, OptiView YT, SC-EQ, SE-SCC1001-1 - Water-cooled centrifugal chiller (via E-Link gateway)
York YT Centrifugal Chiller (Standard or Solid State Starter) - OptiView E-Link (YorkTalk 3)
YORK YT centrifugal chillers with OptiView panel and a standard (electro-mechanical) or solid-state starter, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YT, YT OptiView, E-Link, eLink, YorkTalk 3, 031-01730, 031-02430 - Water-cooled centrifugal chiller (via E-Link gateway)
York YT Centrifugal Chiller with VSD - OptiView E-Link (YorkTalk 3)
YORK YT centrifugal chillers with OptiView panel and variable speed drive, connected through a YORK E-Link gateway over YorkTalk 3.
Also known as: YORK YT, YT OptiView, YT VSD, E-Link, eLink, YorkTalk 3 - Air-cooled variable-speed screw chiller
York YVAA / YVFA / YAGK Chiller (native BACnet MS/TP)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers with the 031-03478 board and its native BAS port.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA native, 031-03478, Y.ACS.20 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA / YVFA / YAGK Chiller (SC-EQ)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA, YVFA, YAGK, SC-EQ, SE-SCC1001-1 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA / YVFA / YAGK Chiller, YT3 panel (SC-EQ)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card and the YT3 control panel.
Also known as: YORK YVAA, YORK YVFA, YORK YAGK, YVAA, YVFA, YAGK, SC-EQ, SE-SCC1001-1, YT3, YVAA YT3 - Air-cooled variable-speed screw chiller (via E-Link gateway)
York YVAA / YVFA / YAGK E-Link (YorkTalk 2)
YORK YVAA, YVFA (free cooling) and YAGK air-cooled variable-speed screw chillers with 031-02478 or 031-03478 microboards, connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YVAA, YORK YVFA, YAGK, E-Link, eLink, YorkTalk 2, 031-02478, 031-03478 - Air-cooled variable-speed screw chiller (via SC-EQ card)
York YVAA Style B Chiller (SC-EQ)
YORK YVAA Style B air-cooled variable-speed screw chillers (two refrigerant systems) fitted with the SC-EQ communication card.
Also known as: YORK YVAA, YVAA Style B, YVAA-B, SC-EQ, SE-SCC1001-1 - Air-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YVAM Air-Cooled Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK YVAM air-cooled magnetic-bearing centrifugal chillers fitted with the SC-EQ communication card.
Also known as: YORK YVAM, YVAM chiller, YVAM mag bearing, SC-EQ, SE-SCC1001-1 - Water-cooled variable-speed screw chiller / heat pump (via SC-EQ card)
York YVWA Water-Cooled Variable-Speed Screw Chiller (SC-EQ)
YORK YVWA water-cooled variable-speed screw chillers (one or two compressors, chiller or heat pump mode) fitted with the SC-EQ communication card.
Also known as: YORK YVWA, YVWA chiller, YVWA heat pump, SC-EQ, SE-SCC1001-1 - Water-cooled variable-speed screw chiller (via E-Link gateway)
York YVWA Water-Cooled Variable-Speed Screw Chiller - BAS E-Link (YorkTalk 2)
YORK YVWA water-cooled variable-speed screw chillers (microboards 031-02478 / 031-03478), connected through a YORK E-Link gateway over YorkTalk 2.
Also known as: YORK YVWA, YVWA BAS, E-Link, eLink, YorkTalk 2, 031-02478, 031-03478 - Water-cooled screw chiller / water-to-water heat pump (via SC-EQ card)
York YVWH / YVWE / YGWH Water-Cooled Screw (SC-EQ)
YORK YVWH and YGWH water-to-water screw heat pumps and YVWE water-cooled screw chillers fitted with the SC-EQ communication card.
Also known as: YORK YVWH, YVWH-200, YORK YVWE, YORK YGWH, SC-EQ, water-to-water screw heat pump - Water-cooled magnetic-bearing centrifugal chiller (via SC-EQ card)
York YZ Magnetic-Bearing Centrifugal Chiller (SC-EQ)
YORK YZ water-cooled magnetic-bearing centrifugal chillers (variable speed drive) fitted with the SC-EQ communication card.
Also known as: YORK YZ, YZ chiller, YZ mag bearing, SC-EQ, SE-SCC1001-1, OptiView
Source: Dedicated Outside Air Systems (DOAS) Operations Manual, Model JDMA - Manual for Makeup Air Control, Option D21 (Option D21 BACnet Point List) · 100.55-O2 (1015) · rev. 2015-10. Object names, instances and units are reproduced as published; descriptions are our own.