LEGRAND WHAD HE 3 101 66, Installation Manual

Page: 35 / 100

WHAD HE 3-4-5-6 kVA
EN
IT
DE
ES
35
DANGER
INSTALLATION and ORDINARY MAINTENANCE operations must be carried out only by SKILLED TECHNICIANS
(paragraph 2.2.1). The periodical checks and the EXTRAORDINARY MAINTENANCE operations may be done only
by the LEGRAND TECHNICAL SUPPORT SERVICE.
6.1 Installation
The operator is not authorised to make electric connections on the UPS. These operations are the sole preserve of a skilled
technician (paragraph 2.2.1) who must follow the instructions addressed to him 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.
6.2 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.
6.3 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.
6.4 Ordinary maintenance
The input fuse can only be replaced by a specialist technician.
The fuse must be replaced with a new one with the same characteristics.
6.5 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.
DANGER
The warehousing operations must only be done by SKILLED TECHNICIANS (paragraph 2.2.1).
6. Installation and maintenance