Owner`s manual

Introduction
1.0 Scope
This manual provides technical information for installation, operation, and maintenance of MGE UPS Systems’
modular inverter systems series ranging from 3.5 kVA to 21 kVA. Please read this manual thoroughly before
installing and operating the system. Please retain this manual for future reference.
The manual is divided into four sections:
Section I — Introduction
This section introduces the S4 3.5 to 21 kVA static inverters, including a general description of the
inverter and its components, and inverter specifications.
Section II — Installation & Operation
This chapter describes installation of the inverters, including receiving, handling, and storage proce-
dures; prerequisites to the installation; installation procedures; and start-up procedures.
Section III — Maintenance
This section describes maintenance of the inverters, including preventive maintenance routines, and
recommended spare parts.
Section IV — Theory of Operation
An appendix provides a glossary of technical terms at the end of this manual provides definitions of
terms used within the text. An index makes it easy to quickly locate topics of interest.
1.1 General Description
This static, modular inverter system series provide stable, distortion-free AC power from a DC input source at a
selectable output voltage and frequency prior to shipment, for sensitive equipment which must be operated in
WARNING
An AC output will be present at the output terminals
immediately when AC input is energized.
ATTENTION
La tension alternative de sortie appara ît dès la mise sous
tension de l'entrée.
WARNUNG
Eine Ausgangsspannung liegt an den Ausgangsklemmen,
sobald der Netzeingang angeschlossen wird.
Owner’s Manual
Introduction page 1 — 1