Vertiv Liebert EXL S1, Operation And Maintenance Manual

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WARNING! Risk of electrical shock and high short circuit current. Can cause equipment damage, personal
injury and death. If the UPS has been shut down for maintenance, verify that all of the UPS doors are closed
and latched. All test equipment must be removed from the system. All electrical connections must be secure.
ADVERTISSEMENT : Risque de décharge électrique et de présence de courant de court-circuit élevé
pouvant entraîner des dommages matériels, des blessures et même la mort. Si l’alimentation sans
coupure a été interrompue à des fins d'entretien, assurez-vous que toutes les portes du système ASC
sont fermées et verrouillées. Tous les appareils de test doivent être retirés du système. Tous les
branchements électriques doivent être serrés.
WARNING! The following procedure must be performed exactly as described. Deviating from the procedure
can result in electric shock hazard to personnel and the risk of fire.
ADVERTISSEMENT : La procédure suivante doit être suivie à la lettre. Dévier de cette procédure peut
entraîner des risqué d'électrocution à la personne ainsi que des risques d’incendie.
This section lists typical step-by-step instructions to start a 1+N Module System with and without remote breakers. The
Touchscreen Control Panel will list all steps required for the process, based on the unit’s operational status and other factors.
• Startup—Including initial startup, recovering from input power failure, recovering from DC source shutdown and
recovering from shutdowns for emergencies or maintenance.
• Load Transfers—Including transfers from UPS to bypass and re-transfers from bypass to the UPS system.
• Maintenance Bypass Load Transfers—Including transfers from internal bypass to maintenance bypass and transfers
from maintenance bypass to internal bypass.
• Shutdowns—Including module shutdown for maintenance and emergency shutdown.
NOTE: The following step-by-step instructions apply to DSP firmware version V1.40 and higher. For all other firmware
versions, use the instructions detailed in the Operation and Maintenance Guide, SL-26090 that applies to your UPS.
Contact the factory to obtain the relevant document. Firmware versions for each UPS module can be identified via the
Touchscreen Control Panel.
NOTE: The following procedure assumes that the UPS installation inspection and initial startup have been performed
by Vertiv™-authorized technician. A Vertiv-authorized representative must perform the initial system startup to
ensure proper system operation.
2 Operation
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