MGE UPS Systems S3 - Manual (Page 51)

This section describes maintenance and service of the
Topaz S3 Inverters Systems, including safety instructions,
preventive maintenance, descriptions of replacement parts
kits, and service.
IMPORTANT SAFETY INSTRUCTIONS FOR SERVICING
INVERTER SERVICING SHOULD BE PERFORMED OR
SUPERVISED BY QUALIFIED PERSONNEL ONLY.
The following preventive maintenance routines should be
considered the minimum requirements; your installation and
site may require additional preventive maintenance to assure
optimal performance from your installed Topaz S3 series
Inverter System and associated equipment.
We strongly
recommend contracting MGE Customer Support Services
for preventive and remedial maintenance.
The technician or electrician performing preventive
maintenance on the inverter must be familiar with the
indicators, controls, and operation of the inverter, as
described in this manual.
4.2 Preventive
Maintenance
WARNING
DC input power to the inverter is normally from a battery bank with a
very high short-circuit capacity. Accidental welding and severe burns
can be caused by mistakes while connecting or disconnecting these
conductors.
ATTENTION
L'entrée DC de l'onduleur est normalement alimentée par une batterie
avee un courant de court-circuit élevé. Une erreur lors de la connex-
ion ou deconnexion de ces conducteurs peut causer des soudures
accidentelles et des brûlures sérieuses.
WARNUNG!
Gleichstrom zum Wechselrichter kommt gewoehnlich von der
Batteriebank mit einer sehr hohen Kurzschluss Leistungsfaehigkeit.
Unbeabsichtigtes Schweissen und schwere Verbrennungen koennen
die Folgevon fehlerhafter Verbindung und Trennung sein.
4.1 Safety Instructions
4.0 Scope
4 — 1 Maintenance and Service
Maintenance and Service