Figure 3.5 Maintenance Bypass Configurations—Four Breakers for Dual-Input UPS
3.2.1 Startup—Single Module System
NOTE: The following procedure assumes that the UPS installation inspection and initial startup have been performed
by a Vertiv-authorized technician. A Vertiv-authorized representative must perform the initial system startup to
ensure proper system operation.
This section lists step-by-step instructions for UPSs with maintenance bypass configurations as shown in this manual. If the
system has a different maintenance bypass operation, consult the provider of that system for operating procedures.
WARNING! Risk of electric shock. Can cause equipment damage, personal injury and death. The following
procedure provides power to the critical load distribution system. Verify that the critical load distribution is
ready to accept power. Make sure that personnel and equipment are ready for the critical load distribution
system to be energized.
Risque de décharge électrique pouvant entraîner des dommages matériels, des blessures et même la mort. La procédure
suivante fournit de l'énergie au système de distribution de la charge critique. Vérifiez que ce système est prêt à être
alimenté. Assurez-vous que le personnel et les équipements sont préparés pour la mise sous tension du système de
distribution de la charge critique.
3 Operation
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