Technical Specifications

BACnet Communications - Thermal Management Products
Liebert
®
IntelliSlot
®
Modbus/BACnet 276
Compressor Hours
Operating hours for compressor since last reset of this value. If operating hours exceeds
32,000, this client will continue to display 32,000, but the iCOM display will show the
actual value.
Compressor Lockout Enable/disable the use of the compressor.
Compressor Low Differential
Pressure Lockout
Compressor exceeded maximum startup attempts due to low differential pressure.
Compressor is shutdown and has been disabled.
Compressor Low Pressure
Transducer Issue
Compressor low pressure transducer is disconnected or the signal is out of range.
Compressor Low Suction
Pressure - Event Control
Enable/disable the activation of the [Compressor Low Suction Pressure] 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.
Compressor Low Suction
Pressure - Event Type
The event type for the [Compressor Low Suction Pressure] event.
Compressor Low Suction
Pressure
Compressor is shut down due to low suction pressure.
Compressor Pump Down Issue
- Event Control
Enable/disable the activation of the [Compressor Pump Down Issue] 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.
Compressor Pump Down Issue
- Event Type
The event type for the [Compressor Pump Down Issue] event.
Compressor Pump Down Issue Unable to pump down suction-side pressure during compressor shutdown.
Compressor Short Cycle -
Event Control
Enable/disable the activation of the [Compressor Short Cycle] 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.
Compressor Short Cycle -
Event Type
The event type for the [Compressor Short Cycle] event.
Compressor Short Cycle
Compressor short cycle. A short cycle is defined as turning on and off a number of times
over a set time period.
Compressor Superheat Over
Threshold
Compressor discharge refrigerant superheat temperature has exceeded an upper
threshold.
Compressor Thermal Overload
- Event Control
Enable/disable the activation of the [Compressor Thermal Overload] 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.
Compressor Thermal Overload
- Event Type
The event type for the [Compressor Thermal Overload] event.
Compressor Thermal Overload Compressor is shut down due to thermal overload.
Compressor Utilization Present compressor utilization expressed as a percentage of the maximum rated capacity.
Condenser Circuit Unspecified
General Event
One or more unspecified condenser circuit events active. See local unit display for further
details.
Condenser Communication
Lost
Communication with condenser unit has been lost.
Condenser Control Board
Issue
The condenser control board is reporting an issue.
Condenser Fan Issue Condenser fan is not operating within its operational parameters.
Condenser Fan Power Condenser fan's measured input power.
Condenser Fan Reversal
Requested
Request the condenser fans to rotate in the reverse direction.
Condenser Fan Speed Condenser fan speed expressed as a percentage of the maximum rated speed.
Condenser Issue - Event
Control
Enable/disable the activation of the [Condenser Issue] 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.
Table 86 Liebert Challenger 3000
™
, Liebert Challenger ITR
™
, Liebert CW
™
, Liebert Deluxe System/3
™
,
Liebert DS
™
, Liebert DSE
™
, Liebert HPM
™
, Liebert PeX
™
, Liebert PDX
™
- Glossary (continued)
Data Label Data Description