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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
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 "m",
intrinsic safety "i" and increased safety "e" in the area of the electrical connec-
tion.
3
Conformity
The appliance meets the following standards and directives:
•
•
4
Safety instructions
• The appliance is exclusively intended for the designated use described in
• National safety and accident regulations must be observed.
• In case of equipment failure, additional safety precautions should be taken
• Wiring must be carried out by a qualified electrician. Adhere to relevant
•
• Turn off the power supply and take steps to ensure against further acciden-
OFF
• Only operate the appliance when completely assembled. Do not drill into
• Observe the nominal voltage.
NENNSPANNUNG
NOMINAL VOLTAGE
TENSION NOMINALE
Directive 94/9/EG (ATEX), 89/336/EWG (EMC)
EN 50014, EN 50028, EN 50020, EN 50019, EN 61000-6-2, EN 61000-6-3
article 2 "Function". Other applications are prohibited, as inappropriate
use can result in dangerous situations.
to avoid possible danger to persons.
regulations!
The connection to external supply lines must be carried out using a
screwed cable gland (M20 x 1,5) in the terminal box under the cover (see
drawings from page 9). Install a fixed connection cable if an unprotected
or flexible cable is used.
tal use:
- Before connection.
- In the event of damage
or interfere with the explosion-proof housing in any way.
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