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Coolant distribution unit (liquid cooling) · BACnet points list

Vertiv Liebert XDU coolant distribution unit BACnet points list

Updated 6 November 2026

Short answer

The Liebert XDU coolant distribution unit reports to a BMS through a Liebert IntelliSlot card (IS-UNITY-DP for BACnet IP or BACnet MS/TP; some units also IS-IPBML). The object list has Binary Values for events, Analog Values for temperatures, humidity, setpoints and run hours, and Multi-state Values for states and control modes. Objects are created on the card when it discovers the unit, so only options fitted to the unit appear.

This page lists 376 BACnet objects for the Vertiv Liebert XDU coolant distribution unit — 168 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Vertiv’s own free documentation, linked below.

Manufacturer
Vertiv
Model
Liebert XDU coolant distribution unit
Equipment
Coolant distribution unit (liquid cooling)
Equipment type
Other equipment
BACnet objects
376 (168 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Also known as
Liebert XDU, XDU, Vertiv XDU, SL-28170
Source document
Liebert IntelliSlot Modbus/BACnet Reference Guide (Modbus RTU and TCP, BACnet MSTP and IP) · SL-28170 · rev. 2024-04 (Rev 29)
Download CSV 376 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

Reference only, provided as-is: verify against Vertiv’s current documentation and the live device before use. Not official Vertiv information. Terms of use.

BMS integration notes: Vertiv Liebert XDU coolant distribution unit

Integration in brief

Fit a Liebert IntelliSlot BACnet card (IS-UNITY-DP for BACnet IP or MS/TP), give it a unique device instance and let it discover the unit; the objects are then created automatically. Map the on/off and setpoint objects if the BMS controls the unit, and the status, main measurements and event objects for monitoring.

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.

ObjectNameWhyAccess
MV 1155143_1On/off command (1=off, 2=on)Write
AV 15008_1Air temperature setpoint, °CWrite
AV 615029_1Humidity setpoint, %RHWrite
MV 2924717_1Acknowledge / reset eventsWrite
MV 944706_1Run / standby / off stateRead
MV 934123_1Normal, warning or alarm stateRead
AV 195002_1_1Supply air temperature, °CRead
AV 314291_1Return air temperature, °CRead
AV 25844643_1Supply fluid temperature, °CRead
AV 605028_1Return air humidity, %RHRead

Network setup

Watch out for

Vertiv Liebert XDU coolant distribution unit 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.

376 of 376 shown
Type
AnalogBinaryMulti-state
Access
Show
Vertiv Liebert XDU coolant distribution unit BACnet Points List
DescriptionStates
BV12456538_1TSA Control Input IssueReadActive = alarm
BV15015_1_1Supply Air Over TemperatureReadActive = alarm
BV25019_1_1Supply Air Under TemperatureReadActive = alarm
BV35026_1_1Supply Air Sensor IssueReadActive = alarm
BV46530_1_1Supply NTC Air Sensor IssueReadActive = alarm
BV145023_1_1Return Air Over TemperatureReadActive = alarm
BV155335_1_1Return Air Under TemperatureReadActive = alarm
BV165147_1_1Return Air Sensor IssueReadActive = alarm
BV274601_1_1Ext Air Sensor A Over TemperatureReadActive = alarm
BV284608_1_1Ext Air Sensor A Under TemperatureReadActive = alarm
BV294618_1_1Ext Air Sensor A IssueReadActive = alarm
BV305573_1_1Ambient Air Sensor IssueReadActive = alarm
BV314621_1_1External Air Sensor B IssueReadActive = alarm
BV326531_1_1External Air Sensor C IssueReadActive = alarm
BV336532_1_1External Air Sensor D IssueReadActive = alarm
BV346533_1_1External Air Sensor E IssueReadActive = alarm
BV10505966_1_1Aux Air Temp Device Communication LostReadActive = alarm
BV415034_1High Return HumidityReadActive = alarm
BV425036_1Low Return HumidityReadActive = alarm
BV435578_1Dew Point Over TemperatureReadActive = alarm
BV445579_1Dew Point Under TemperatureReadActive = alarm
BV455902_1Return Humidity Sensor IssueReadActive = alarm
BV535349_1_1Ext Air Sensor A High HumidityReadActive = alarm
BV545351_1_1Ext Air Sensor A Low HumidityReadActive = alarm
BV554615_1_1Ext Dew Point Over TemperatureReadActive = alarm
BV565577_1_1Ext Dew Point Under TemperatureReadActive = alarm
BV2055054_1Fan Hours ExceededReadActive = alarm
BV2065376_1Main Fan OverloadReadActive = alarm
BV2074729_1Fan IssueReadActive = alarm
BV2086540_1FSA Control Input IssueReadActive = alarm
BV2205106_1Ext Condenser Pump High WaterReadActive = alarm
BV10606105_1External Condenser TVSS IssueReadActive = alarm
BV10616106_1External Condenser VFD IssueReadActive = alarm
BV2315377_1_1Condenser Issue (Condenser 1)ReadActive = alarm
BV2425377_1_2Condenser Issue (Condenser 2)ReadActive = alarm
BV2534270_1Customer Input 1ReadActive = alarm
BV2544271_1Customer Input 2ReadActive = alarm
BV2554272_1Customer Input 3ReadActive = alarm
BV2564273_1Customer Input 4ReadActive = alarm
BV2575415_1Ext Loss of Air BlowerReadActive = alarm
BV2585105_1Ext Loss of FlowReadActive = alarm
BV2595107_1Ext Standby Glycol Pump OnReadActive = alarm
BV2605115_1BMS Communications TimeoutReadActive = alarm
BV2615416_1Ext Standby Unit OnReadActive = alarm
BV2625118_1Clogged Air FilterReadActive = alarm
BV2635053_1Loss of Air FlowReadActive = alarm
BV2644726_1Service RequiredReadActive = alarm
BV2655120_1Master Unit Communication LostReadActive = alarm
BV2665119_1RAM Battery IssueReadActive = alarm
BV2674714_1Shutdown - Loss Of PowerReadActive = alarm
BV2685121_1High Power ShutdownReadActive = alarm
BV2694720_1Smoke DetectedReadActive = alarm
BV2714626_1Supply Chilled Water Over TempReadActive = alarm
BV2725418_1Unit Code MissingReadActive = alarm
BV2735419_1Unit Communication LostReadActive = alarm
BV2745114_1Water Leakage Detector Sensor IssueReadActive = alarm
BV2754723_1Water Under FloorReadActive = alarm
BV2765104_1Ext Over TemperatureReadActive = alarm
BV2775108_1External Fire DetectedReadActive = alarm
BV2785588_1Unspecified General EventReadActive = alarm
BV2795617_1Temperature Control Sensor IssueReadActive = alarm
BV2805906_1Airflow Sensor IssueReadActive = alarm
BV2815907_1Ext Air Damper Position IssueReadActive = alarm
BV2825908_1Ext Power Source A FailureReadActive = alarm
BV2835909_1Ext Power Source B FailureReadActive = alarm
BV2845924_1Mixed Mode LockoutReadActive = alarm
BV3506541_1Auto Tune License ExpiringReadActive = alarm
BV3516542_1Auto Tune License ExpiredReadActive = alarm
BV3526543_1Unit In Standby Due To Cooling LossReadActive = alarm
BV3536544_1Control Units Remote Shutdown MismatchReadActive = alarm
BV3546545_1Slave Control Unit Communication LostReadActive = alarm
BV3556546_1Control Units Unit Code MismatchReadActive = alarm
BV3565471_1Door OpenReadActive = alarm
BV3578192_1Water LeakageReadActive = alarm
BV3588231_1PHE Sup Tem Snsr FailReadActive = alarm
BV2884703_1_1Chilled Water Control Valve Failure (Chilled Water Valve 1)ReadActive = alarm
BV2994703_1_2Chilled Water Control Valve Failure (Chilled Water Valve 2)ReadActive = alarm
BV3105110_1_1Unit OffReadActive = alarm
BV3115109_1_1Unit OnReadActive = alarm
BV3125112_1_1Unit Partial ShutdownReadActive = alarm
BV3135113_1_1Unit ShutdownReadActive = alarm
BV3145111_1_1Unit StandbyReadActive = alarm
BV3155116_1_1Maintenance DueReadActive = alarm
BV3165117_1_1Maintenance CompletedReadActive = alarm
BV3275417_1_1Digital Output Board Not Detected (iCOM DO Board 1)ReadActive = alarm
BV3385417_1_2Digital Output Board Not Detected (iCOM DO Board 2)ReadActive = alarm
BV3495417_1_3Digital Output Board Not Detected (iCOM DO Board 3)ReadActive = alarm
BV15546691_1_1Group Independent OnReadActive = alarm
BV15556692_1_1Group Independent OffReadActive = alarm
BV15956822_1Audit Log UpdateReadActive = alarm
BV16174651_1Supply Fluid Temp Sensor IssueReadActive = alarm
BV16185295_1Return Fluid Temp Sensor IssueReadActive = alarm
BV16197474_1Flow Sensor FailureReadActive = alarm
BV16207475_1Check Water SystemReadActive = alarm
BV16214645_1Supply Fluid Over TempReadActive = alarm
BV16225293_1Return Fluid Over TempReadActive = alarm
BV16237476_1Pump Operating Without FlowReadActive = alarm
BV16347483_1_1Pump Inverter Failure (Fluid Pump 1)ReadActive = alarm
BV16357484_1_1Pump Flow Failure (Fluid Pump 1)ReadActive = alarm
BV16367483_1_2Pump Inverter Failure (Fluid Pump 2)ReadActive = alarm
BV16377484_1_2Pump Flow Failure (Fluid Pump 2)ReadActive = alarm
BV18468170_1_1XD Pump Communication Lost (Fluid Pump Status 1)ReadActive = alarm
BV18578170_1_2XD Pump Communication Lost (Fluid Pump Status 2)ReadActive = alarm
AVmin15008_1Air Temperature Set Point°CWrite
AV100015008_1_deg_FAir Temperature Set Point°FWrite
AV25325_1Air Temperature Proportional Band°CWrite
AV100025325_1_deg_FAir Temperature Proportional Band°FWrite
AV35011_1Air Temperature Dead Band°CWrite
AV100035011_1_deg_FAir Temperature Dead Band°FWrite
AV45326_1Air Temperature Control Integration TimeminWrite
AV55327_1Today's High Air Temperature°CRead
AV100055327_1_deg_FToday's High Air Temperature°FRead
AV65328_1Today's High Air Temperature TimeSeconds since MidnightRead
AV75329_1Today's Low Air Temperature°CRead
AV100075329_1_deg_FToday's Low Air Temperature°FRead
AV85330_1Today's Low Air Temperature TimeSeconds since MidnightRead
AVmin195002_1_1Supply Air Temperature°CRead
AV100195002_1_1_deg_FSupply Air Temperature°FRead
AV215014_1_1High Supply Air Temperature Threshold°CWrite
AV100215014_1_1_deg_FHigh Supply Air Temperature Threshold°FWrite
AV225018_1_1Low Supply Air Temperature Threshold°CWrite
AV100225018_1_1_deg_FLow Supply Air Temperature Threshold°FWrite
AV236756_1_1Supply Sensor Events Initial DelaysWrite
AV335022_1_1High Return Air Temperature Threshold°CWrite
AV100335022_1_1_deg_FHigh Return Air Temperature Threshold°FWrite
AV345334_1_1Low Return Air Temperature Threshold°CWrite
AV100345334_1_1_deg_FLow Return Air Temperature Threshold°FWrite
AV356757_1_1Return Sensor Events Initial DelaysWrite
AV454594_1_1Ext Air Sensor A Temperature°CRead
AV100454594_1_1_deg_FExt Air Sensor A Temperature°FRead
AV464597_1_1Ext Air Sensor B Temperature°CRead
AV100464597_1_1_deg_FExt Air Sensor B Temperature°FRead
AV475336_1_1Ext Air Sensor C Temperature°CRead
AV100475336_1_1_deg_FExt Air Sensor C Temperature°FRead
AV485337_1_1Ext Air Sensor A Over Temp Threshold°CWrite
AV100485337_1_1_deg_FExt Air Sensor A Over Temp Threshold°FWrite
AV495338_1_1Ext Air Sensor A Under Temp Threshold°CWrite
AV100495338_1_1_deg_FExt Air Sensor A Under Temp Threshold°FWrite
AV505574_1_1Outside Air Temperature°CRead
AV100505574_1_1_deg_FOutside Air Temperature°FRead
AVmin605028_1Return Humidity%RHRead
AVmin615029_1Humidity Set Point%RHWrite
AV635341_1Humidity Proportional Band%RHWrite
AV645032_1Humidity Dead Band%RHWrite
AV655342_1Humidity Control Integration TimeminWrite
AV665033_1High Return Humidity Threshold%RHWrite
AV675035_1Low Return Humidity Threshold%RHWrite
AV685343_1Today's High Humidity%RHRead
AV695344_1Today's High Humidity TimeSeconds since MidnightRead
AV705345_1Today's Low Humidity%RHRead
AV715346_1Today's Low Humidity TimeSeconds since MidnightRead
AV726258_1Dew Point Proportional Band°CWrite
AV100726258_1_deg_FDew Point Proportional Band°FWrite
AV736259_1Dew Point Dead Band°CWrite
AV100736259_1_deg_FDew Point Dead Band°FWrite
AV746575_1Dew Point Over Temp Threshold°CWrite
AV100746575_1_deg_FDew Point Over Temp Threshold°FWrite
AV756576_1Dew Point Under Temp Threshold°CWrite
AV100756576_1_deg_FDew Point Under Temp Threshold°FWrite
AV824595_1_1Ext Air Sensor A Humidity%RHRead
AV834598_1_1Ext Air Sensor B Humidity%RHRead
AV845347_1_1Ext Air Sensor C Humidity%RHRead
AV855348_1_1Ext Air Sensor A High Humidity Threshold%RHWrite
AV865350_1_1Ext Air Sensor A Low Humidity Threshold%RHWrite
AV874596_1_1Ext Air Sensor A Dew Point Temp°CRead
AV100874596_1_1_deg_FExt Air Sensor A Dew Point Temp°FRead
AV884614_1_1Ext Dew Point Over Temp Threshold°CWrite
AV100884614_1_1_deg_FExt Dew Point Over Temp Threshold°FWrite
AV895576_1_1Ext Dew Point Under Temp Threshold°CWrite
AV100895576_1_1_deg_FExt Dew Point Under Temp Threshold°FWrite
AV2115050_1Fan Speed Maximum Set Point%Write
AV2125374_1Fan HourshWrite
AV2135375_1Fan Hours ThresholdhWrite
AV2145051_1Fan Speed Minimum Set Point%Write
AV2155585_1Fan Speed Temperature Set Point°CWrite
AV102155585_1_deg_FFan Speed Temperature Set Point°FWrite
AV2166772_1Fan Back Draft Speed Set PointVDCWrite
AV2176768_1Fan Speed Temp Control Proportional Band°CWrite
AV102176768_1_deg_FFan Speed Temp Control Proportional Band°FWrite
AV2186769_1Fan Speed Temp Control Integration TimeminWrite
AV2196770_1Fan Speed Temperature Dead Band°CWrite
AV102196770_1_deg_FFan Speed Temperature Dead Band°FWrite
AV2208252_1Fan Speed Min Dehum%Write
AV2245378_1Analog Input Reading (Analog Inputs 1)Read
AV2355378_2Analog Input Reading (Analog Inputs 2)Read
AV30075378_12Analog Input Reading (Analog Inputs 12)Read
AV2685075_1BMS Timeout PeriodminWrite
AV2694710_1Auto Restart DelaysWrite
AV2705314_1Standby UnitsWrite
AV2716121_1Unit to Unit GroupRead
AV2726120_1Unit to Unit AddressRead
AVmin314291_1Return Air Temperature°CRead
AV100314291_1_deg_FReturn Air Temperature°FRead
AV2805077_1Fan Speed%Read
AV2825379_1Free Cooling Valve Open Position%Read
AV2834870_1Maintenance Ramp%Read
AV2844868_1Calculated Next Maintenance MonthRead
AV2854869_1Calculated Next Maintenance YearRead
AV2865380_1Hot Water / Hot Gas Valve Open Position%Read
AV2875080_1Reheat Utilization%Read
AV2885081_1Humidifier Utilization%Read
AV2895079_1Dehumidifier Utilization%Read
AV2905490_1Cooling Capacity%Read
AV2915606_1Adjusted Humidity%RHRead
AV2925004_1Return Dew Point°CRead
AV102925004_1_deg_FReturn Dew Point°FRead
AV2935607_1Actual Air Temperature Set Point°CRead
AV102935607_1_deg_FActual Air Temperature Set Point°FRead
AV2945608_1Actual Humidity Set Point%RHRead
AV2955575_1Dew Point Set Point°CWrite
AV102955575_1_deg_FDew Point Set Point°FWrite
AV2965615_1Cooling Control Temperature°CRead
AV102965615_1_deg_FCooling Control Temperature°FRead
AV2975616_1Fan Speed Control Temperature°CRead
AV102975616_1_deg_FFan Speed Control Temperature°FRead
AV2985904_1Unit Cooling LoadkWRead
AV2996134_1Unit Calculated Airflowm3/hRead
AV3004293_1System Date and TimeSecs since Epoch (UTC)Write
AV9015905_1_1Circuit Cooling Load (Cooling Load 1)kWRead
AV9115905_1_2Circuit Cooling Load (Cooling Load 2)kWRead
AV19605964_1_1Raw Auxiliary Air Temperature°CWrite
AV119605964_1_1_deg_FRaw Auxiliary Air Temperature°FWrite
AV19615965_1_1Actual Auxiliary Air Temperature°CRead
AV119615965_1_1_deg_FActual Auxiliary Air Temperature°FRead
AV25016820_1Event Log Record CounterRead
AV25026821_1Audit Log Record CounterRead
AV25266780_1_1Unit Cascade On DelayminWrite
AV25276781_1_1Quick Start Unit Cascade On DelaysWrite
AV25286779_1_1Unit Cascade Control DelayminWrite
AV25296783_1_1Teamwork Average Calculation Unit CountWrite
AV25426122_1_1Networked Unit Rotation TimeSeconds since MidnightWrite
AV25436123_1_1Networked Unit Rotation CountWrite
AVmin25844643_1Supply Fluid Temperature°CRead
AV125844643_1_deg_FSupply Fluid Temperature°FRead
AV25855288_1Return Fluid Temperature°CRead
AV125855288_1_deg_FReturn Fluid Temperature°FRead
AV25867468_1Flow Ratel/minRead
AV25875491_1Cooling CapacitykWRead
AV25887469_1Pump Speed (Fluid Loop)%Read
AV25897470_1Flow Set Pointl/minWrite
AV25907471_1Flow Proportional Bandl/minWrite
AV25917472_1Flow Dead Bandl/minWrite
AV25927473_1Flow Integration TimesWrite
AV25934644_1Supply Fluid Over Temp Threshold°CWrite
AV125934644_1_deg_FSupply Fluid Over Temp Threshold°FWrite
AV25945289_1Return Fluid Over Temp Threshold°CWrite
AV125945289_1_deg_FReturn Fluid Over Temp Threshold°FWrite
AV26057480_1_1Pump Speed (Fluid Pump 1)%Read
AV26067481_1_1Pump Expected Speed (Fluid Pump 1)%Read
AV26077482_1_1Pump Run Time (Fluid Pump 1)hRead
AV26187480_1_2Pump Speed (Fluid Pump 2)%Read
AV26197481_1_2Pump Expected Speed (Fluid Pump 2)%Read
AV26207482_1_2Pump Run Time (Fluid Pump 2)hRead
AV29048167_1_1Pump Motor Power (Fluid Pump Status 1)kWRead
AV29058168_1_1Pump Motor Amps (Fluid Pump Status 1)ARead
AV29068169_1_1Inverter Temperature (Fluid Pump Status 1)°CRead
AV129068169_1_1_deg_FInverter Temperature (Fluid Pump Status 1)°FRead
AV29178167_1_2Pump Motor Power (Fluid Pump Status 2)kWRead
AV29188168_1_2Pump Motor Amps (Fluid Pump Status 2)ARead
AV29198169_1_2Inverter Temperature (Fluid Pump Status 2)°CRead
AV129198169_1_2_deg_FInverter Temperature (Fluid Pump Status 2)°FRead
MV14553_1Server ClassRead1=UPS, 2=AIR, 3=PMP, 4=PDU, 5=MONITOR
MV125324_1Air Temperature Control TypeWrite1=Proportional, 2=Prop+Integral, 3=Adaptive PID, 4=Intelligent
MV135012_1Air Temperature Control SensorWrite1=Supply, 2=Remote, 3=Return
MV355603_1Humidity Control TypeWrite1=Relative, 2=Compensated, 3=Predictive, 4=Dew Point
MV365618_1Humidity Control SensorWrite1=Supply, 2=Remote, 3=Return
MV835586_1Fan Control SensorWrite1=Supply, 2=Remote, 3=Return, 4=Manual
MV846736_1Fan Back Draft OperationWrite1=Disabled, 2=Standby, 3=Outdoor Temp
MV856771_1Fan Back Draft Control EnableWrite1=disabled, 2=enabled
MV866767_1Fan Speed Temp Control TypeWrite1=Proportional, 2=Prop+Integral, 3=Adaptive PID
MVmin934123_1System StatusRead1=Normal Operation, 2=StartUp, 3=Normal with Warning, 4=Normal with Alarm, 5=Abnormal Operation
MVmin944706_1Unit Operating StateRead1=off, 2=on, 3=standby
MV954707_1Unit Control ModeRead1=Internal (Auto), 2=External (Manual)
MV965074_1Unit Off ReasonRead1=None, 2=User, 3=Alarm, 4=Timer, 5=Monitoring, 6=Remote Off, 7=HCS12 Off
MV1075381_1Fan StateRead1=off, 2=on
MV1085382_1Cooling StateRead1=off, 2=on
MV1095383_1Free Cooling StateRead1=off, 2=on
MV1105384_1Maintenance Tracking StateRead1=off, 2=on
MV1115385_1Hot Water / Hot Gas StateRead1=off, 2=on
MV1125386_1Electric Reheat StateRead1=off, 2=on
MV1135387_1Dehumidifier StateRead1=off, 2=on
MV1145388_1Humidifier StateRead1=off, 2=on
MVmin1155143_1System On/Off ControlWrite1=off, 2=on
MV5006175_1Local Fan OverrideRead1=Normal operation, 2=Increased for internal protection, 3=Decreased for internal protection, 4=Disabled for internal protection, 5=Limited or disabled for low limit protection
MV5016176_1Local Cooling OverrideRead1=Normal operation, 2=Increased for internal protection, 3=Decreased for internal protection, 4=Disabled for internal protection, 5=Limited or disabled for low limit protection
MV5026177_1Local Electric Heat OverrideRead1=Normal operation, 2=Increased for internal protection, 3=Decreased for internal protection, 4=Disabled for internal protection, 5=Limited or disabled for low limit protection
MV5036178_1Local Humidifier OverrideRead1=Normal operation, 2=Increased for internal protection, 3=Decreased for internal protection, 4=Disabled for internal protection, 5=Limited or disabled for low limit protection
MV5046179_1Local Dehumidifier OverrideRead1=Normal operation, 2=Increased for internal protection, 3=Decreased for internal protection, 4=Disabled for internal protection, 5=Limited or disabled for low limit protection
MV5066524_1Automatic Transfer Switch - Active Power SupplyRead1=Power Supply 1, 2=Power Supply 2
MV5076525_1Automatic Transfer Switch - Power Supply 1 StatusRead1=OK, 2=Not OK
MV5086526_1Automatic Transfer Switch - Power Supply 2 StatusRead1=OK, 2=Not OK
MV1264718_1Customer Input 1 - Event ControlWrite1=disabled, 2=enabled
MV1274719_1Customer Input 1 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1285098_1Customer Input 2 - Event ControlWrite1=disabled, 2=enabled
MV1295099_1Customer Input 2 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1305100_1Customer Input 3 - Event ControlWrite1=disabled, 2=enabled
MV1315101_1Customer Input 3 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1325102_1Customer Input 4 - Event ControlWrite1=disabled, 2=enabled
MV1335103_1Customer Input 4 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1345389_1Ext Free Cooling Lockout - Event ControlWrite1=disabled, 2=enabled
MV1355390_1Ext Free Cooling Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1365122_1Ext Condenser Pump High Water - Event ControlWrite1=disabled, 2=enabled
MV1375123_1Ext Condenser Pump High Water - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1385129_1Ext Standby Glycol Pump On - Event ControlWrite1=disabled, 2=enabled
MV1395130_1Ext Standby Glycol Pump On - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1405391_1Ext Standby Unit On - Event ControlWrite1=disabled, 2=enabled
MV1415392_1Ext Standby Unit On - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1425086_1Ext Humidifier Lockout - Event ControlWrite1=disabled, 2=enabled
MV1435087_1Ext Humidifier Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1445082_1Ext Loss of Flow - Event ControlWrite1=disabled, 2=enabled
MV1455083_1Ext Loss of Flow - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1465090_1Ext Over Temperature - Event ControlWrite1=disabled, 2=enabled
MV1475091_1Ext Over Temperature - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1485084_1Ext Reheat Lockout - Event ControlWrite1=disabled, 2=enabled
MV1495085_1Ext Reheat Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1505141_1High Power Shutdown - Event ControlWrite1=disabled, 2=enabled
MV1515142_1High Power Shutdown - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1525131_1Humidifier Issue - Event ControlWrite1=disabled, 2=enabled
MV1535132_1Humidifier Issue - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1545133_1Master Unit Communication Lost - Event ControlWrite1=disabled, 2=enabled
MV1555134_1Master Unit Communication Lost - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1564727_1Service Required - Event ControlWrite1=disabled, 2=enabled
MV1574728_1Service Required - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1584715_1Shutdown - Loss Of Power - Event ControlWrite1=disabled, 2=enabled
MV1594716_1Shutdown - Loss Of Power - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1604721_1Smoke Detected - Event ControlWrite1=disabled, 2=enabled
MV1614722_1Smoke Detected - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1624724_1Water Under Floor - Event ControlWrite1=disabled, 2=enabled
MV1634725_1Water Under Floor - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1645088_1Ext Compressor Lockout - Event ControlWrite1=disabled, 2=enabled
MV1655089_1Ext Compressor Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1665135_1Clogged Air Filter - Event ControlWrite1=disabled, 2=enabled
MV1675136_1Clogged Air Filter - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1685393_1Ext Loss of Air Blower - Event ControlWrite1=disabled, 2=enabled
MV1695394_1Ext Loss of Air Blower - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2245401_1_1Ext Air Sensor A Event ControlWrite1=disabled, 2=enabled
MV2255402_1_1Return Air Sensor Event ControlWrite1=disabled, 2=enabled
MV2265403_1_1Ext Air Sensor A High Humidity - Event ControlWrite1=disabled, 2=enabled
MV2275404_1_1Ext Air Sensor A High Humidity - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2285405_1_1Ext Air Sensor A Low Humidity - Event ControlWrite1=disabled, 2=enabled
MV2295406_1_1Ext Air Sensor A Low Humidity - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2304602_1_1Ext Air Sensor A Over Temp - Event ControlWrite1=disabled, 2=enabled
MV2314603_1_1Ext Air Sensor A Over Temp - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2324609_1_1Ext Air Sensor A Under Temp - Event ControlWrite1=disabled, 2=enabled
MV2334610_1_1Ext Air Sensor A Under Temp - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2345137_1_1High Return Humidity - Event ControlWrite1=disabled, 2=enabled
MV2355138_1_1High Return Humidity - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2365139_1_1Low Return Humidity - Event ControlWrite1=disabled, 2=enabled
MV2375140_1_1Low Return Humidity - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2385024_1_1Return Air Over Temp - Event ControlWrite1=disabled, 2=enabled
MV2395025_1_1Return Air Over Temp - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2405407_1_1Return Air Under Temp - Event ControlWrite1=disabled, 2=enabled
MV2415408_1_1Return Air Under Temp - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2425587_1_1Supply Air Over/Under Temperature - Event ControlWrite1=disabled, 2=enabled
MV2525409_1_1Fan Hours Exceeded - Event ControlWrite1=disabled, 2=enabled
MV2535410_1_1Fan Hours Exceeded - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2565411_1_1Main Fan Overload - Event ControlWrite1=disabled, 2=enabled
MV2575412_1_1Main Fan Overload - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MVmin2924717_1System Event Acknowledge/ResetWrite1=Reset, 2=Acknowledge
MV6356695_1_1Group Independent Operation EnableWrite1=disabled, 2=enabled
MV6366690_1_1Group Independent OperationWrite1=No override (default), 2=Override, forced on, 3=Override, forced off
MV6486775_1Auto Restart EnableWrite1=disabled, 2=enabled
MV6496777_1Virtual Master EnableWrite1=disabled, 2=enabled
MV6616784_1_1Teamwork ModeWrite1=No Teamwork Mode, 2=Mode 1 (parallel), 3=Mode 2 (independent), 4=Mode 3 (optimized aisle)
MV6626778_1_1Unit Cascade TypeWrite1=None, 2=Temp/Humidity, 3=Cool/Heat, 4=Cooling, 5=Fan PI, 6=Fan Speed
MV6636782_1_1Teamwork Temperature Calculation MethodWrite1=Average, 2=Maximum
MV6756130_1_1Networked Unit Daily Rotation FrequencyWrite1=Every 24 hours, 2=Every 12 hours
MV6766131_1_1Force Networked Unit RotationWrite1=no, 2=yes
MV6776129_1_1Networked Unit Rotation FrequencyWrite1=None, 2=Daily, 3=Weekly Monday, 4=Weekly Tuesday, 5=Weekly Wednesday, 6=Weekly Thursday, 7=Weekly Friday, 8=Weekly Saturday, 9=Weekly Sunday, 10=Monthly Monday, 11=Monthly Tuesday, 12=Monthly Wednesday, 13=Monthly Thursday, 14=Monthly Friday, 15=Monthly Saturday, 16=Monthly Sunday
MV6786823_1_1Start Standby Units on High TemperatureWrite1=false, 2=true
MV7617477_1Force Pump RotateWrite1=Rotate
MV7627478_1Reset Pump Speed CalibrationWrite1=Reset
MV7737479_1_1Pump Operating State (Fluid Pump 1)Read1=off, 2=on
MV7847479_1_2Pump Operating State (Fluid Pump 2)Read1=off, 2=on
MV7958101_1_1Communicate At Fan Power OffWrite1=disabled, 2=enabled
MV7968102_1_1Supply Fan Emergency OpWrite1=disabled, 2=enabled
Object ID lookup: Vertiv Liebert XDU coolant distribution unit point IDs by name

Integration notes

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 Liebert XDU coolant distribution unit 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 Vertiv Liebert XDU coolant distribution unit

How many BACnet points does the Vertiv Liebert XDU coolant distribution unit have?

This list has 376 BACnet objects: 158 analog values, 103 binary values, 115 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Vertiv Liebert XDU coolant distribution unit BACnet points are writable?

168 of the 376 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 Vertiv Liebert XDU coolant distribution unit BACnet documentation?

The source is Liebert IntelliSlot Modbus/BACnet Reference Guide (Modbus RTU and TCP, BACnet MSTP and IP) (SL-28170), revision 2024-04 (Rev 29), published free by Vertiv at https://www.vertiv.com/49fb41/globalassets/shared/liebert-intellislot-modbus-rtu-reference-guide-SL-28170_0.pdf.

What are the minimum BACnet points to integrate the Vertiv Liebert XDU coolant distribution unit?

Start with MV 115 5143_1 (On/off command (1=off, 2=on)); AV 1 5008_1 (Air temperature setpoint, °C); AV 61 5029_1 (Humidity setpoint, %RH); MV 292 4717_1 (Acknowledge / reset events); MV 94 4706_1 (Run / standby / off state); MV 93 4123_1 (Normal, warning or alarm state); AV 19 5002_1_1 (Supply air temperature, °C); AV 31 4291_1 (Return air temperature, °C); AV 2584 4643_1 (Supply fluid temperature, °C); AV 60 5028_1 (Return air humidity, %RH).

How do I check these points on the real Liebert XDU coolant distribution unit?

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 Vertiv BACnet points lists

Source: Liebert IntelliSlot Modbus/BACnet Reference Guide (Modbus RTU and TCP, BACnet MSTP and IP) · SL-28170 · rev. 2024-04 (Rev 29). Object names, instances and units are reproduced as published; descriptions are our own.