WHAD HE 3-4-5-6 kVA
EN
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4. Maintenance
DANGER
ORDINARY MAINTENANCE operations may be done only by SKILLED TECHNICIANS (section 2.2.1). The pe-
riodical checks and the EXTRAORDINARY MAINTENANCE operations may be done only by the LEGRAND TECHNI-
CAL SUPPORT SERVICE.
4.1
Introduction
This chapter contains all the information necessary to a skilled technician for a correct maintenance of the UPS.
DANGER
The operator is not authorised to perform the operations contained in the installation manual. LEGRAND declines
all liability for any injury or damage caused by activities carried out differently from the instructions in this manual or by
a skilled technician who does not observe the requirements laid down in the installation manual.
4.2
Preventive maintenance
The UPS does not contain parts for preventative maintenance by the operator.
The operator must regularly perform:
- general external surface cleaning using a soft dry cloth.
- a check to verify the absence of alarms;
- a check to verify the correct functioning of the fans at the back of the UPS.
For problems that cannot be solved with the help of this manual, contact the LEGRAND Technical Support Service.
4.3
Periodical checks
The correct functioning of the UPS must be guaranteed by periodical maintenance inspections. These are essential to
safeguard the its reliability.
DANGER
The periodical checks involve operations inside the UPS where there are dangerous voltages. Only maintenance
personnel trained by LEGRAND are authorized to work.
4.4
Ordinary maintenance
4.4.1 Replacement of the input fuse
A
The input fuse must be replaced only with a new one with the same characteristics. In order to do so, it is necessary to
unscrew the screws that fasten the plastic protection cover to the frame.
Only use the following type of fuse: 10x38mm gG 32A.
After the fuse replacement, fasten again the plastic protection cover to the frame.
4.5
Extraordinary maintenance
Contact the LEGRAND Technical Support Service if faults have occurred which require access to internal parts of the UPS
or for the replacement of batteries.
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Страница 14: ...14 Toutes les dimensions sont en mm A B Whad HE 3000 4000 5000 6000 7 Caractéristiques mécaniques ...
Страница 30: ...30 All dimensions are in mm A B Whad HE 3000 4000 5000 6000 7 Mechanical features ...
Страница 46: ...46 7 Caratteristiche meccaniche Tutte le dimensioni sono in mm A B Whad HE 3000 4000 5000 6000 ...
Страница 62: ...62 7 Mechanische Eigenschaften Alle Abmessungen sind in mm angegeben A B Whad HE 3000 4000 5000 6000 ...
Страница 78: ...78 7 Características mecánicas Todas las dimensiones son en mm A B Whad HE 3000 4000 5000 6000 ...
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