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Betriebsanleitung/Operation instructions UL
Safety instructions
For electrical appliances, the appropriate regulations for setting-up and operation have to be observed
(e.g. NEC and especially for hazardous areas, article NFPA 70 as well as nationally relevant guidelines
and regulations).
The operator of an electrical appliance in an area where there is an explosion hazard has to maintain the
resources in a proper condition, operate them correctly, monitor them and carry out maintenance and
repair work (NEC and especially for hazardous areas, article NFPA 70 as well as nationally relevant
guidelines and regulations).
Where the IP rating is concerned, only original replacement parts may be used (e.g. enclosure parts,
printed board).
Maintenance
For the maintenance, servicing and checking of associated resources, adhere to the valid regulations in
accordance with NEC and for hazardous areas, article NFPA 70 as well as nationally relevant guidelines
and regulations!
Installation/dismantling, servicing and maintenance work may only be carried out by trained specialists.
The general statutory regulations and other binding directives on workplace safety, accident prevention
and environmental protection must be adhered to.
Observe the national disposal of waste regulations when disposing of this equipment at the end of its
useful life.
Servicing
If operated correctly, in accordance with the installation instructions and environmental conditions, no
regular servicing is necessary.
Inspection
In accordance with NEC (National Electrical Code), the site operator has an obligation to ensure that any
electrical appliance installed within, an area containing gases and dust, which could be potentially explo-
sive, is correctly installed by trained personnel and that the installation is regularly inspected and correctly
maintained to ensure the safety of the operatives in the area.
Repairs
Repairs may only be carried out by the manufacturer or by a person authorized by the manufacturer for
this purpose and qualified for this work.
Installation guidelines
All current safety and accident prevention regulations must be observed.
■ ■ ■ ■ ■
Units must only be operated after proper installation.
■ ■ ■ ■ ■
It must be possible to de-energise the products at any time (in fixed installations by means of
■ ■ ■ ■ ■
an mains switch or fuse which isolates each of the supply cables).
03-0330-0419 / 240451
NOTES on the INSTALLATION
The unit may be opened only in the manufacturer's works!
The unit is factory sealed! Do not open!
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