Powerware 9155 UPS20-30kVA - Manual (Page 5)

UPS 20-30 kVA, 230 V 0/60 Hz output
User’s Guide
1026743
Revision B
1. Safety instructions
The UPS operates with mains, battery or bypass power. It contains components that carry
high currents and voltages. The properly installed enclosure is earthed and IP20 rated against
electrical shock and foreign objects. However, only qualified personal is allowed to install and
service the UPS.
Warning!
Operations inside the UPS must be performed by a service engineer from the
manufacturer or from an agent authorised by the manufacturer.
Do not ever service inside the UPS when mains power is applied or the UPS is in battery mode.
Use the optional Maintenance Bypass Switch (MBS) if installed to the system. Remember
to open battery breaker. Always ensure by measuring with a multimeter that no dangerous
voltages are present.
Audience
The intended audiences of this manual are people who plan the installation, install, commission,
and use or service the UPS. The manual provides guidelines to check delivery, installing and
commissioning of the UPS.
The reader is expected to know the fundamentals of electricity, wiring, electrical components and
electrical schematic symbols. This manual is written for a global reader.
Note!
Read the manual before operating or working on the UPS.
CE marking
The product has the CE marking in compliance with the following European directives:
LV Directive (Safety) 73/23/EEC and 93/68/EEC
EMC Directive 89/336/EEC, 93/68/EEC and 92/31/EEC
Declaration of conformity with UPS harmonised standards and directives EN 62040-1-1 (Safety)
and EN 0091-2 (EMC) are available on the web site (http://www.powerware.com).
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