Input Action/Description
SWAP VALVE No event -Active X valve closes and Y opens/Inactive Y closes and X opens. See 7.3 - Custom Dual Chilled Water Valve Staging.
EC FAN FAULT Event + Set analog output to 10V.
ECO AIRFLOW Event + Reduce Liebert® air economizer air flow.
DAMPERSWITCH Damper + End switch.
POWER A Event only.
POWER B Event only.
Flow AL LFC Activates event 'LOSS OF FLOW' and stops fluid free cooling operations.
Hand Mode Activates event 'HAND MODE' when unit is on.
Fan Overrd. Sets the fanspeed to the value defined by parameter S151 'Airflow Calibration'
Cool Overrd. Sets call for cooling (CFC) to 100%.
Fluid Source 1 Triggers event 'FLUID SOURCE 1' indicating a loss of flow on supply source 1, no further reaction.
Fluid Source 2 Triggers event 'FLUID SOURCE 1' indicating a loss of flow on supply source 2, no further reaction.
ATS
Changes the ATS status switch in Service/Diagnostics menu from 'PS1' to 'PS2', and drives the front-screen Power Source
information, no further reaction.
ATS PS1 Changes the ATS PS1 status switch in Service/Diagnostics from 'OK' to 'NOK', no further reaction.
ATS PS2 Changes the ATS PS2 status switch in Service/Diagnostics from 'OK' to 'NOK', no further reaction.
Harmonic Filter Temp Triggers event 'HARMONIC FILTER TEMP' and shuts the unit down.
Door Open Triggers event 'DOOR OPEN' and shuts unit down.
Water Leak Internal Triggers event 'WATER LEAKAGE', no further action.
Max Cool Fan Drives call for cooling (CFC) and call for fan speed (CFC) to 100% output.
Table 4.8 Customer Input Options (continued)
NOTE: Max Cool operation may cause Liebert® DSE unit to transition out of Liebert® Econophase or Mixed Mode
operation and into full mechanical cooling.
NOTE: When Max Cool is utilized on Liebert® DSE, upon exiting Max Cool operation, Liebert® iCOM™ shall reassess
current conditions prior to transitioning to Liebert® Econophase (PRE pump)or Mixed Mod operation.
4 Managing Events: Alarms,WarningsandMessages
95
Vertiv™ Liebert® iCOM™Installer/User Guide
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