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1
Basic Remarks
GB
1.1
Purpose of the document
This operating manual is necessary for the safe and appropriate use of the
appliance, and as such must be read carefully by assembly and mainte-
nance staff before commissioning, and observed in all respects. This manual
must be kept read to hand in an easily accessible place.
1.2
Safety symbols
This symbol indicates a possibly dangerous situation.
The disregard of indicated hazards can result in serious harm to health or lead
to material damage.
2
Description
The signal tower consists of a duroplast connection box and a polycarbonate
signal tower unit. The individual signal tower tiers can be wired up in the
connection box. Please observe the correct polarity when connecting the
product.
3
Function
The appliance was developed as a signalling device for warning in hazardous
areas where flammable gas or vapours are present. The device group II cate-
gory 2G permits use in potentially explosive atmospheres of zones 1 and 2. The
gas explosion protection is achieved by casting compound protection "mb",
intrinsic safety "ib" and increased safety "eb" in the area of the electrical con-
nection.
4
Conformity
The appliance meets the following standards and directives:
•
Directive 94/9/EG (ATEX), 2004/108/EG (EMC)
•
EN 60079-0, EN 60079-7, EN 60079-11, EN 60079-18, EN 60947-5-1
5
Safety instructions
• The appliance is exclusively intended for the designated use described in
article 2 "Function". Other applications are prohibited, as inappropriate
use can result in dangerous situations.
• National safety and accident regulations must be observed.
• In case of equipment failure, additional safety precautions should be taken
to avoid possible danger to persons.
• Wiring must be carried out by a qualified electrician. Adhere to relevant
regulations!
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