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In-row precision cooling unit (computer room air handler) · BACnet points list

Vertiv Liebert CRV in-row cooling (iCOM v4) BACnet points list

Updated 6 November 2026

Short answer

The Liebert CRV in-row cooling 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 203 BACnet objects for the Vertiv Liebert CRV in-row cooling (iCOM v4) — 81 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 CRV in-row cooling (iCOM v4)
Equipment
In-row precision cooling unit (computer room air handler)
Equipment type
Rooftop units, AHUs & DOAS
BACnet objects
203 (81 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Also known as
Liebert CRV, CR019, CR020, CR035, CR040, 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 203 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 CRV in-row cooling (iCOM v4)

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 1605143_1On/off command (1=off, 2=on)Write
AV 75008_1Air temperature setpoint, °CWrite
AV 265029_1Humidity setpoint, %RHWrite
MV 1714717_1Acknowledge / reset eventsWrite
MV 1474706_1Run / standby / off stateRead
MV 1464123_1Normal, warning or alarm stateRead
AV 15002_1Supply air temperature, °CRead
AV 24291_1Return air temperature, °CRead
AV 1664624_1Supply fluid temperature, °CRead
AV 255028_1Return air humidity, %RHRead

Network setup

Watch out for

Vertiv Liebert CRV in-row cooling (iCOM v4) 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.

203 of 203 shown
Type
AnalogBinaryMulti-state
Access
Show
Vertiv Liebert CRV in-row cooling (iCOM v4) BACnet Points List
DescriptionStates
BV15015_1Supply Air Over TemperatureReadActive = alarm
BV25019_1Supply Air Under TemperatureReadActive = alarm
BV35023_1Return Air Over TemperatureReadActive = alarm
BV45026_1Supply Air Sensor IssueReadActive = alarm
BV55147_1Return Air Sensor IssueReadActive = alarm
BV65966_1_1Aux Air Temp Device Communication LostReadActive = alarm
BV165034_1High Return HumidityReadActive = alarm
BV175036_1Low Return HumidityReadActive = alarm
BV185037_1Humidifier Hours ExceededReadActive = alarm
BV195038_1Dehumidifier Hours ExceededReadActive = alarm
BV205039_1Humidifier Under CurrentReadActive = alarm
BV215040_1Humidifier Over CurrentReadActive = alarm
BV225041_1Humidifier Low WaterReadActive = alarm
BV235042_1Humidifier Cylinder WornReadActive = alarm
BV245043_1Humidifier IssueReadActive = alarm
BV255044_1Ext Humidifier LockoutReadActive = alarm
BV265045_1Humidifier Control Board Not DetectedReadActive = alarm
BV275046_1Return Humidity Out Of Proportional BandReadActive = alarm
BV385053_1Loss of Air FlowReadActive = alarm
BV395054_1Fan Hours ExceededReadActive = alarm
BV405055_1Top Fan IssueReadActive = alarm
BV415056_1Bottom Fan IssueReadActive = alarm
BV525060_1Remote Sensor Issue (Remote Sensors 1)ReadActive = alarm
BV635060_2Remote Sensor Issue (Remote Sensors 2)ReadActive = alarm
BV1515060_10Remote Sensor Issue (Remote Sensors 10)ReadActive = alarm
BV1624669_1Compressor 1 High Head PressureReadActive = alarm
BV1635062_1Compressor 1 Low Suction PressureReadActive = alarm
BV1645063_1Compressor 1 Hours ExceededReadActive = alarm
BV1655064_1Dig Scroll Comp 1 Temp Sensor IssueReadActive = alarm
BV1665065_1Dig Scroll Comp 1 Over TempReadActive = alarm
BV1675066_1Compressor 1 Low Pressure Transducer IssueReadActive = alarm
BV1685148_1Compressor 1 High Pressure Transducer IssueReadActive = alarm
BV1695067_1Ext Compressor LockoutReadActive = alarm
BV1704681_1Compressor 1 Short CycleReadActive = alarm
BV1715146_1Compressor 1 Pump Down IssueReadActive = alarm
BV1825068_1Reheater Over TemperatureReadActive = alarm
BV1835069_1Electric Reheater Hours ExceededReadActive = alarm
BV1845070_1Ext Reheat LockoutReadActive = alarm
BV1955071_1Condenser 1 IssueReadActive = alarm
BV1965072_1Condenser VFD IssueReadActive = alarm
BV1975073_1Condenser TVSS IssueReadActive = alarm
BV2084626_1Supply Chilled Water Over TempReadActive = alarm
BV2094703_1Chilled Water Control Valve FailureReadActive = alarm
BV2104980_1Supply Chilled Water Loss of FlowReadActive = alarm
BV2214270_1Customer Input 1ReadActive = alarm
BV2224271_1Customer Input 2ReadActive = alarm
BV2234272_1Customer Input 3ReadActive = alarm
BV2244273_1Customer Input 4ReadActive = alarm
BV2254720_1Smoke DetectedReadActive = alarm
BV2264723_1Water Under FloorReadActive = alarm
BV2274726_1Service RequiredReadActive = alarm
BV2284714_1Shutdown - Loss Of PowerReadActive = alarm
BV2295104_1Ext Over TemperatureReadActive = alarm
BV2305105_1Ext Loss of FlowReadActive = alarm
BV2315106_1Ext Condenser Pump High WaterReadActive = alarm
BV2325107_1Ext Standby Glycol Pump OnReadActive = alarm
BV2335108_1External Fire DetectedReadActive = alarm
BV2345109_1Unit OnReadActive = alarm
BV2355110_1Unit OffReadActive = alarm
BV2365111_1Unit StandbyReadActive = alarm
BV2375112_1Unit Partial ShutdownReadActive = alarm
BV2385113_1Unit ShutdownReadActive = alarm
BV2395114_1Water Leakage Detector Sensor IssueReadActive = alarm
BV2405115_1BMS Communications TimeoutReadActive = alarm
BV2415116_1Maintenance DueReadActive = alarm
BV2425117_1Maintenance CompletedReadActive = alarm
BV2435118_1Clogged Air FilterReadActive = alarm
BV2445119_1RAM Battery IssueReadActive = alarm
BV2455120_1Master Unit Communication LostReadActive = alarm
BV2465121_1High Power ShutdownReadActive = alarm
BV2474651_1Supply Fluid Temp Sensor IssueReadActive = alarm
BV2485588_1Unspecified General EventReadActive = alarm
BV2695637_1Condenser Unit Unspecified General EventReadActive = alarm
BV2705638_1Condenser Circuit Unspecified General EventReadActive = alarm
AVmin15002_1Supply Air Temperature°CRead
AV100015002_1_deg_FSupply Air Temperature°FRead
AVmin24291_1Return Air Temperature°CRead
AV100024291_1_deg_FReturn Air Temperature°FRead
AV35004_1Return Dew Point°CRead
AV100035004_1_deg_FReturn Dew Point°FRead
AV45005_1Remote Sensor Minimum Temperature°CRead
AV100045005_1_deg_FRemote Sensor Minimum Temperature°FRead
AV55006_1Remote Sensor Maximum Temperature°CRead
AV100055006_1_deg_FRemote Sensor Maximum Temperature°FRead
AV65007_1Remote Sensor Average Temperature°CRead
AV100065007_1_deg_FRemote Sensor Average Temperature°FRead
AVmin75008_1Air Temperature Set Point°CWrite
AV100075008_1_deg_FAir Temperature Set Point°FWrite
AV85009_1Cooling Proportional Band°CWrite
AV100085009_1_deg_FCooling Proportional Band°FWrite
AV95010_1Heating Proportional Band°CWrite
AV100095010_1_deg_FHeating Proportional Band°FWrite
AV105011_1Air Temperature Dead Band°CWrite
AV100105011_1_deg_FAir Temperature Dead Band°FWrite
AV115014_1High Supply Air Temperature Threshold°CWrite
AV100115014_1_deg_FHigh Supply Air Temperature Threshold°FWrite
AV125018_1Low Supply Air Temperature Threshold°CWrite
AV100125018_1_deg_FLow Supply Air Temperature Threshold°FWrite
AV135022_1High Return Air Temperature Threshold°CWrite
AV100135022_1_deg_FHigh Return Air Temperature Threshold°FWrite
AV145964_1_1Raw Auxiliary Air Temperature°CWrite
AV100145964_1_1_deg_FRaw Auxiliary Air Temperature°FWrite
AV155965_1_1Actual Auxiliary Air Temperature°CRead
AV100155965_1_1_deg_FActual Auxiliary Air Temperature°FRead
AV245027_1Supply Humidity%RHRead
AVmin255028_1Return Humidity%RHRead
AVmin265029_1Humidity Set Point%RHWrite
AV275030_1Humidification Proportional Band%RHWrite
AV285031_1Dehumidification Proportional Band%RHWrite
AV295032_1Humidity Dead Band%RHWrite
AV305033_1High Return Humidity Threshold%RHWrite
AV315035_1Low Return Humidity Threshold%RHWrite
AV425048_1Fan Speed Proportional Band°CWrite
AV100425048_1_deg_FFan Speed Proportional Band°FWrite
AV435049_1Fan Speed Manual Set Point%Write
AV445050_1Fan Speed Maximum Set Point%Write
AV455051_1Fan Speed Minimum Set Point%Write
AV565059_1Remote Sensor Temperature (Remote Sensors 1)°CRead
AV100565059_1_deg_FRemote Sensor Temperature (Remote Sensors 1)°FRead
AV675059_2Remote Sensor Temperature (Remote Sensors 2)°CRead
AV100675059_2_deg_FRemote Sensor Temperature (Remote Sensors 2)°FRead
AV1555059_10Remote Sensor Temperature (Remote Sensors 10)°CRead
AV101555059_10_deg_FRemote Sensor Temperature (Remote Sensors 10)°FRead
AVmin1664624_1Supply Fluid Temperature°CRead
AV101664624_1_deg_FSupply Fluid Temperature°FRead
AV1674625_1High Supply Fluid Temperature Threshold°CWrite
AV101674625_1_deg_FHigh Supply Fluid Temperature Threshold°FWrite
AV1785075_1BMS Timeout PeriodminWrite
AV1794710_1Auto Restart DelaysWrite
AV1905076_1Operating Efficiency%Read
AV1915077_1Fan Speed%Read
AV1925078_1Cooling Capacity (Master)%Read
AV1935079_1Dehumidifier Utilization%Read
AV1945080_1Reheat Utilization%Read
AV1955081_1Humidifier Utilization%Read
AV1964868_1Calculated Next Maintenance MonthRead
AV1974869_1Calculated Next Maintenance YearRead
AV1984870_1Maintenance Ramp%Read
AV2094293_1System Date and TimeSecs since Epoch (UTC)Write
AV2215534_1Condenser Outside Air Temperature°CRead
AV102215534_1_deg_FCondenser Outside Air Temperature°FRead
AV2335276_1_1Condenser Fan Speed (GC Fan 1)%Read
AV2345538_1_1Condenser Fan Power (GC Fan 1)kWRead
AV2465276_1_2Condenser Fan Speed (GC Fan 2)%Read
AV2475538_1_2Condenser Fan Power (GC Fan 2)kWRead
AV2855548_1_1Condenser Low Noise Mode Max Fan Speed%Write
AV2865549_1_1Condenser Normal Mode Max Fan Speed%Write
AV2875550_1_1Condenser Low Noise Mode - Interval DaysWrite1=Monday, 2=Tuesday, 4=Wednesday, 8=Thursday, 16=Friday, 32=Saturday, 64=Sunday
AV2885551_1_1Condenser Low Noise Mode - Full DaysWrite1=Monday, 2=Tuesday, 4=Wednesday, 8=Thursday, 16=Friday, 32=Saturday, 64=Sunday
AV2895552_1_1Condenser Low Noise Mode Start TimeSeconds since MidnightWrite
AV2905553_1_1Condenser Low Noise Mode Stop TimeSeconds since MidnightWrite
MV14553_1Server ClassRead1=UPS, 2=AIR, 3=PMP, 4=PDU, 5=MONITOR
MV125012_1Air Temperature Control SensorWrite1=Supply, 2=Remote, 3=Return
MV135013_1Remote Sensor Temperature CalculationWrite1=Average, 2=Maximum
MV186132_1_1Auxiliary Air Temperature EnableWrite1=disabled, 2=enabled
MV196133_1_1Auxiliary Proxy StatusRead1=Disabled, 2=Initializing, 3=Active, 4=Inactive, 5=Comm Lost
MV245047_1Fan Control ModeWrite1=Internal (Auto), 2=External (Manual)
MV255052_1Fan Control SensorWrite1=Supply, 2=Remote, 3=Return
MV365058_1Remote Sensor Function (Remote Sensors 1)Write1=Disable, 2=Reference, 3=Control
MV475058_2Remote Sensor Function (Remote Sensors 2)Write1=Disable, 2=Reference, 3=Control
MV1355058_10Remote Sensor Function (Remote Sensors 10)Write1=Disable, 2=Reference, 3=Control
MVmin1464123_1System StatusRead1=Normal Operation, 2=StartUp, 3=Normal with Warning, 4=Normal with Alarm, 5=Abnormal Operation
MVmin1474706_1Unit Operating StateRead1=off, 2=on, 3=standby
MV1484707_1Unit Control ModeRead1=Internal (Auto), 2=External (Manual)
MV1495074_1Unit Off ReasonRead1=None, 2=User, 3=Alarm, 4=Timer, 5=Monitoring, 6=Remote Off, 7=HCS12 Off
MVmin1605143_1System On/Off ControlWrite1=off, 2=on
MVmin1714717_1System Event Acknowledge/ResetWrite1=Reset, 2=Acknowledge
MV1724721_1Smoke Detected - Event ControlWrite1=disabled, 2=enabled
MV1734722_1Smoke Detected - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1744724_1Water Under Floor - Event ControlWrite1=disabled, 2=enabled
MV1754725_1Water Under Floor - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1764718_1Customer Input 1 - Event ControlWrite1=disabled, 2=enabled
MV1774719_1Customer Input 1 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1785098_1Customer Input 2 - Event ControlWrite1=disabled, 2=enabled
MV1795099_1Customer Input 2 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1805100_1Customer Input 3 - Event ControlWrite1=disabled, 2=enabled
MV1815101_1Customer Input 3 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1825102_1Customer Input 4 - Event ControlWrite1=disabled, 2=enabled
MV1835103_1Customer Input 4 - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1844727_1Service Required - Event ControlWrite1=disabled, 2=enabled
MV1854728_1Service Required - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1864715_1Shutdown - Loss Of Power - Event ControlWrite1=disabled, 2=enabled
MV1874716_1Shutdown - Loss Of Power - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1885082_1Ext Loss of Flow - Event ControlWrite1=disabled, 2=enabled
MV1895083_1Ext Loss of Flow - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1905084_1Ext Reheat Lockout - Event ControlWrite1=disabled, 2=enabled
MV1915085_1Ext Reheat Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1925086_1Ext Humidifier Lockout - Event ControlWrite1=disabled, 2=enabled
MV1935087_1Ext Humidifier Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1945088_1Ext Compressor Lockout - Event ControlWrite1=disabled, 2=enabled
MV1955089_1Ext Compressor Lockout - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1965090_1Ext Over Temperature - Event ControlWrite1=disabled, 2=enabled
MV1975091_1Ext Over Temperature - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV1985092_1Condenser VFD Issue - Event ControlWrite1=disabled, 2=enabled
MV1995093_1Condenser VFD Issue - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2005094_1Condenser TVSS Issue - Event ControlWrite1=disabled, 2=enabled
MV2015095_1Condenser TVSS Issue - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2025096_1Condenser 1 Issue - Event ControlWrite1=disabled, 2=enabled
MV2035097_1Condenser 1 Issue - Event TypeWrite1=Message, 2=Warning, 3=Alarm
MV2155533_1Condenser Refrigerant TypeRead1=R22, 2=R407C, 3=R410A
MV2275546_1_1Condenser Low Noise Mode StateRead1=Inactive, 2=Active (Interval), 3=Active (Full Day)
MV2285547_1_1Condenser Low Noise Mode Schedule ControlWrite1=disabled, 2=enabled
AV3006234_1Super Saver Call For Cooling%Read
Object ID lookup: Vertiv Liebert CRV in-row cooling 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 CRV in-row cooling (iCOM v4) 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 CRV in-row cooling (iCOM v4)

How many BACnet points does the Vertiv Liebert CRV in-row cooling (iCOM v4) have?

This list has 203 BACnet objects: 78 analog values, 74 binary values, 51 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Vertiv Liebert CRV in-row cooling (iCOM v4) BACnet points are writable?

81 of the 203 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 CRV in-row cooling (iCOM v4) 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 CRV in-row cooling (iCOM v4)?

Start with MV 160 5143_1 (On/off command (1=off, 2=on)); AV 7 5008_1 (Air temperature setpoint, °C); AV 26 5029_1 (Humidity setpoint, %RH); MV 171 4717_1 (Acknowledge / reset events); MV 147 4706_1 (Run / standby / off state); MV 146 4123_1 (Normal, warning or alarm state); AV 1 5002_1 (Supply air temperature, °C); AV 2 4291_1 (Return air temperature, °C); AV 166 4624_1 (Supply fluid temperature, °C); AV 25 5028_1 (Return air humidity, %RH).

How do I check these points on the real Liebert CRV in-row cooling (iCOM v4)?

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.