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| Liebert® EXL™ 625-1100kVA Installation Manual | Rev. 3 | 02/17 4
1.0 MECHANICAL INSTALLATION
1.1 INTRODUCTION
This section describes the requirements that must be taken into account when planning the positioning and
cabling of the Liebert EXL uninterruptible power supply and related equipment.
This chapter is a guide to general procedures and practices that should be observed by the installing personnel.
The particular conditions of each site will determine the applicability of such procedures.
NOTICE
Three-phase input supply required.
The standard Liebert EXL UPS is suitable for connection to three-phase, three-wire (+ Earth) TN-C and TN-S.
NOTICE
Do not apply electrical power to the UPS equipment before the arrival of the commissioning engineer.
1.2 PRELIMINARY CHECKS
Before installing the UPS, please carry out the following preliminary checks:
• Visually examine the UPS equipment for transit damage, both internally and externally. Report any damage to the shipper
immediately.
• Verify that the correct equipment is being installed. The equipment supplied has an identification tag on the interior doors
reporting the type, size and main calibration parameters of the UPS.
• Verify that the UPS room satisfies the environmental conditions stipulated in the equipment specification, paying particular
attention to the ambient temperature and air exchange system.
WARNING
Risk of electrical shock. Can cause injury or death.
Special care must be taken when working with the batteries associated with this equipment. When they
are connected together, the battery terminal voltage will exceed 400VDC and is potentially lethal.
AVERTISSEMENT
Risque de décharge électrique pouvant causer des blessures graves, voire mortelles.
Des précautions particulières doivent être prises lors de travaux touchant les batteries associées à cet
équipement.
Lorsque les batteries sont branchées ensemble, la tension à la borne d’une batterie dépasse 400 V c.c. et
est potentiellement mortelle.
NOTE
All equipment not referred to in this manual is shipped with details of its own mechanical and electrical
installation.
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