Vertiv Liebert iCOM User Manual

11.4 Diagnosing Compressor Circuit Issues
1. Touch , then > Diagnostic/Service > Diagnostics > Compressor Circuit N (where “N” is the circuit
number) in the Category list. The COMPRESSOR CIRCUIT panel displays.
2. Refer to Diagnostics—Compressor Circuit Options below , for descriptions of diagnostic options.
NOTE: Depending on the type of thermal management unit, included components, and control settings of your system,
all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display.
11.4.1 Diagnostics—Compressor Circuit Options
Compressor Capacity
Enables/disables compressor capacity during manual/diagnostics mode.
Compressor Freeze Protection
Indicates whether freeze protection influences compressor capacity (on) or not (off), based on low pressure values.
Compressor Mode
Selects compressor operation during manual/diagnostics mode. Options are:
• 0: Run (normal operation)
• 1: Evacuate
• 2: Charge
Compressor Overload
Compress overload status.
Compressor State
Compressor status, on or off.
Fan Freeze Protection
Indicates whether freeze protection influences fan speed (on) or not (off), based on low-pressure values.
High Pressure Alarm Code
Code of high pressure alarm. To address the alarm condition, see Resetting High Pressure Alarm Code on the next
page .
• 0: Okay
• Non-zero: High head pressure situation.
High Pressure Status
Status of compressor’s high pressure switch.
11 Performing Diagnostics
167
Vertiv™ Liebert® iCOM™Installer/User Guide

Vertiv Liebert iCOM Specifications

General

Brand	Vertiv
Model	Liebert iCOM
Category	Control Unit
Language	English