Technical Specifications

Modbus RTU and Modbus TCP Protocols - Thermal Management Products
Liebert
®
IntelliSlot
®
Modbus/BACnet 44
Main Fan Overload Main fan is shut down due to thermal overload.
Maintenance Completed Maintenance has been completed on the unit.
Maintenance Due The calculated maintenance date has been reached.
Maintenance Ramp
The ratio of operations performed to the calculated operations
available between maintenance intervals.
Maintenance Tracking State Maintenance tracking operational state.
Master Unit Communication Lost - Event Control
Enable/disable the activation of the [Master Unit Communication
Lost] event. If set to “disabled,” the event will not be annunciated.
This implies that the event will not be placed in any active event list
or in any event history list.
Master Unit Communication Lost - Event Type The event type for the [Master Unit Communication Lost] event.
Master Unit Communication Lost Communication with master unit has been lost.
Minimum Chilled Water Temp Set Point Enable
Enable/disable the activation of [Minimum Chilled Water Temp Set
Point].
Minimum Chilled Water Temp Set Point Minimum desired chilled water temperature.
Mixed Mode Lockout
Mixed mode has been entered too many times over a rolling time
period and has been temporarily disabled. Mixed mode is defined
as the use of a compressor on one refrigeration circuit and the use
of a refrigerant pump on the other circuit.
Modbus Power Meter Communication Lost Communication with Modbus power meter has been lost.
Outside Air Temperature Ambient outside air temperature.
Pump Hours Operating hours for pump since last reset of this value.
Pump State Pump operational state.
Pump Unspecified General Event
One or more unspecified pump events active. See local unit display
for further details.
RAM Battery Issue RAM or RAM backup battery is not operating correctly.
Raw Auxiliary Air Temperature
Air temperature value sent by an external auxiliary device, with no
additional filtering by the receiving system. This may be an
aggregated value from multiple sensors.
Reheat Utilization
Present reheating utilization expressed as a percentage of the
maximum rated capacity.
Reheater Lockout Enable/disable the use of the reheater.
Reheater Over Temperature The temperature of the reheater has exceeded its threshold.
Remote Sensor Average Over Temperature
[Remote Sensor Average Temperature] has exceeded [Remote
Sensor Over Temp Threshold].
Remote Sensor Average Temperature Average value of remote sensor temperature measurements.
Remote Sensor Average Under Temperature
[Remote Sensor Average Temperature] has dropped below
[Remote Sensor Under Temp Threshold].
Remote Sensor Issue Remote sensor is disconnected or the signal is out of range.
Remote Sensor Maximum Temperature Maximum value of remote sensor temperature measurements.
Remote Sensor Over Temp Threshold
Threshold value used in the remote air sensor over temperature
events.
Remote Sensor Over Temperature
[Remote Sensor Temperature] has exceeded [Remote Sensor
Over Temp Threshold].
Remote Sensor System Average Over Temperature
[Remote Sensor System Average Temperature] has exceeded
[Remote Sensor Over Temp Threshold].
Table 10 Liebert Challenger 3000
™
, Liebert Challenger ITR
™
, Liebert CW
™
, Liebert Deluxe System/3
™
,
Liebert DS
™
, Liebert DSE
™
, Liebert HPM
™
, Liebert PeX
™
- Glossary (continued)
Controller Liebert iCOM
®
v4
Data Label Data Description