Vertiv Liebert iCOM - Page 63

CW Valve 1 Digital Output
Enables/disables output from chilled water valve1 during quick start.
CW Valve 2 Analog Output
Position percentage open of chilled water valve 2 during quick start operation (0–100%).
CW Valve 2 Digital Output
Enables/disables output from chilled water valve2 during quick start.
DX Quick Start
Enables/disables DX quick start.
DX Quick Start Initial Call for Cooling
Compressor output percentage (call for cooling) during quick start operation (0–100%).
DX Quick Start with Econophase
Enables/disable Liebert® EconoPhase operation during quick start. When enabled on Vertiv™ Liebert® DSE thermal
management units, note the following:
• If unit was operating in pump mode at the time of power loss, unit restarts in pump mode.
• If unit was operating in mixed mode at the time of power loss, unit restarts in mixed mode.
• If unit was operating in compressor mode at the time of power loss, unit restarts in compressor mode.
Fan Quick Start
Enables/disables fan quick start.
Pump Start Call For Cooling
Output percentage of PRE pump quick start operation (50–100%).
Quick Start Delay
Delay before quick start activates after power is restored (0to180 sec).
NOTE: When using DX quick start, you must configure a minimum of 40seconds to allow time for global condenser
communication to establish before the compressors are powered on.
Quick Start Fan Analog Output
Fan speed percentage during quick start operation.
Quick Start Overlap Time
Length of time quick start fan speed overlaps normal fan speeds settings. After fully booted, normal fan speed control
resumes when this time expires.
3 Service Operation
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Vertiv™ Liebert® iCOM™Installer/User Guide