Stahl 8491/2 Series Manuale utente
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Operating instructions
Additional languages r-stahl.com
EN
Signal Horn 105 dB(A)
Series 8491/2
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Signal Horn 105 dB(A)
Series 8491/2
Contents
1 General Information ............................................................................................3
1.1 Manufacturer .......................................................................................................3
1.2 Information regarding the operating instructions .................................................3
1.3 Further documents ..............................................................................................3
1.4 Conformity with standards and regulations .........................................................3
2 Explanation of the symbols .................................................................................4
2.1 Symbols in these operating instructions .............................................................4
2.2 Warning notes .....................................................................................................4
2.3 Symbols on the device ........................................................................................5
3 Safety notes ........................................................................................................5
3.1 Operating instructions storage ............................................................................5
3.2 Personnel qualification ........................................................................................5
3.3 Safe use ..............................................................................................................6
3.4 Modifications and alterations ..............................................................................6
4 Function and device design ................................................................................7
4.1 Function ..............................................................................................................7
5 Technical data .....................................................................................................8
6 Transport and storage .........................................................................................9
7 Mounting and installation ....................................................................................9
7.1 Dimensions / fastening dimensions ....................................................................9
7.2 Mounting / dismounting, operating position ........................................................9
7.3 Installation .........................................................................................................11
8 Commissioning .................................................................................................12
9 Operation ..........................................................................................................12
9.1 Troubleshooting ................................................................................................13
10 Maintenance, Overhaul, Repair ........................................................................13
10.1 Maintenance .....................................................................................................13
10.2 Repair ...............................................................................................................14
10.3 Returning the device .........................................................................................14
11 Cleaning ............................................................................................................14
12 Disposal ............................................................................................................14
13 Accessories and Spare parts ...........................................................................15
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General Information
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Signal Horn 105 dB(A)
Series 8491/2
1 General Information
1.1 Manufacturer
1.2 Information regarding the operating instructions
ID-No.: 145290 / 8491602300
Publication Code: 2020-04-21·BA00·III·en·04
The original instructions are the English edition.
They are legally binding in all legal affairs.
1.3 Further documents
• Data sheet
For documents in additional languages, see r-stahl.com.
1.4 Conformity with standards and regulations
See certificates and EU Declaration of Conformity: r-stahl.com.
Further national certificates can be downloaded via the following link:
https://r-stahl.com/en/global/support/downloads/.
R. STAHL Schaltgeräte GmbH
Business Unit Lighting & Signalling
Nordstr. 10
99427 Weimar
Germany
R. STAHL Schaltgeräte GmbH
Am Bahnhof 30
74638 Waldenburg
Germany
Phone:
Fax:
Internet:
E-mail:
+49 3643 4324
+49 3643 4221-76
r-stahl.com
Phone:
Fax:
Internet:
E-mail:
+49 7942 943-0
+49 7942 943-4333
r-stahl.com
Explanation of the symbols
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Signal Horn 105 dB(A)
Series 8491/2
2 Explanation of the symbols
2.1 Symbols in these operating instructions
2.2 Warning notes
Warnings must be observed under all circumstances, in order to minimize the risk due to
construction and operation. The warning notes have the following structure:
• Signalling word: DANGER, WARNING, CAUTION, NOTICE
• Type and source of danger/damage
• Consequences of danger
• Taking countermeasures to avoid the danger or damage
Symbol Meaning
Tips and recommendations on the use of the device
Danger due to explosive atmosphere
Danger due to live components
DANGER
Danger to persons
Non-compliance with the instruction results in severe or fatal injuries to
persons.
WARNING
Danger to persons
Non-compliance with the instruction can result in severe or fatal injuries to
persons.
CAUTION
Danger to persons
Non-compliance with the instruction can result in light injuries to persons.
NOTICE
Avoiding material damage
Non-compliance with the instruction can result in material damage to the device and / or
its environment.
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Safety notes
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Signal Horn 105 dB(A)
Series 8491/2
2.3 Symbols on the device
3 Safety notes
3.1 Operating instructions storage
• Read the operating instructions carefully.
• Store the operating instructions at the mounting location of the device.
• Observe applicable documents and operating instructions of the devices to be
connected.
3.2 Personnel qualification
Qualified specialist personnel are required to perform the tasks described in these
operating instructions. This primarily applies to work in the following areas
• Project engineering
• Mounting/dismounting the device
• (Electrical) Installation
• Commissioning
• Maintenance, repair, cleaning
Specialists who perform these tasks must have a level of knowledge that meets
applicable national standards and regulations.
Additional knowledge is required for tasks in hazardous areas! R. STAHL recommends
having a level of knowledge equal to that described in the following standards:
• IEC/EN 60079-14 (Electrical installations design, selection and construction)
• IEC/EN 60079-17 (Inspection and maintenance of electrical installations)
• IEC/EN 60079-19 (Equipment repair, overhaul and reclamation)
Symbol Meaning
05594E00
CE marking in accordance with the current applicable directive.
02198E00
Device certified for hazardous areas in accordance with the marking.
11048E00
Safety notes that must always be observed: The corresponding data
and/or safety-related instructions contained in the operating instructions
must be followed for devices with this symbol!
Safety notes
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Signal Horn 105 dB(A)
Series 8491/2
3.3 Safe use
Before mounting
• Read and observe the safety notes in these operating instructions!
• Ensure that the contents of these operating instructions are fully understood by the
personnel in charge.
• Use the device in accordance with its intended and approved purpose only.
• Always consult with R. STAHL Schaltgeräte GmbH if using the device under operating
conditions which are not covered by the technical data.
• Make sure that the device is not damaged.
• We cannot be held liable for damage at the device caused by incorrect or unauthorised
use or non-compliance with these operating instructions.
For mounting and installation
• Have mounting and installation performed only by qualified and authorised persons
(see chapter "Qualification of the personnel").
• The device is only to be installed in areas for which it is suited based on its marking.
• During installation and operation, observe the information (characteristic values and
rated operating conditions) on the rating, data and information plates located on the
device.
• Before installation, make sure that the device is not damaged.
Commissioning, maintenance, repair
• Only have commissioning and repairs performed by qualified and authorised persons
(see chapter "Personnel qualification").
• Before commissioning, make sure that the device is not damaged.
• Perform only maintenance work described in these operating instructions.
3.4 Modifications and alterations
DANGER
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or alter the device.
No liability or warranty for damage resulting from modifications and
alterations.
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Function and device design
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Signal Horn 105 dB(A)
Series 8491/2
4 Function and device design
4.1 Function
Application range
The device was developed as a signalling device for providing a warning in hazardous
areas in which inflammable dust or gas is present. Device group II, category 2 is
approved for use in almost all dust and gas hazardous areas where persons are present.
Gas explosion protection is achieved using an "mb" encapsulation and through "eb"
increased safety in the area of the electrical connection. Dust explosion protection is
provided by the enclosure with the "tb IIIC T70 °C Db" type of protection. Suitable for use
in areas with combustible dusts with a minimum ignition energy of > 1 mJ.
The device is not intended for continuos use.
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
described in these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.
Technical data
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Signal Horn 105 dB(A)
Series 8491/2
5 Technical data
For further technical data, see r-stahl.com.
Explosion Protection
Europe (ATEX)
Gas and dust BVS 03 ATEX E 159 X
E II 2 G Ex eb mb IIC T5 Gb
E II 2 D Ex tb IIIC T70 °C Db
Note:
Suitable for use in areas with combustible dusts with a minimum ignition
energy of > 1 mJ.
Certifications and certificates
Certificates ATEX, EAC (TR)
Technical Data
Electrical data
Rated operational
voltage
see Selection Table
Back-up fuse
* to be installed in an enclosure with "Increased safety" e.g. type 8118/113-303
Duty cycle 70 % ED
Acoustic data
Volume max. 105 dB (A) / 1 m
Ambient conditions
Ambient temperature -40 to +50 °C
Mechanical data
Material
Enclosure PC/ABS, black
Connection type screw terminal in the connection chamber
max. connection cross-section 2.5 mm2
1 x M16 cable gland
6.5 to 9.5 mm cable dia. range
Degree of protection IP65
At rated operational
voltage
Nominal fuse
rating
Rated
operational
current
Back-up fuse
Type 8560*
24 V DC F0, 500 A 350 mA 8560/51-4143
24 V AC, 50 Hz F0, 630 A 450 mA 8560/51-4153
42 to 48 V AC, 50 Hz F0, 315 A 220 mA 8560/51-4113
115 V AC, 50 / 60 Hz F0, 315 A 205 mA 8560/51-4113
120 V AC, 60 Hz F0, 315 A 200 mA 8560/51-4113
230 V AC, 50 Hz F0,125A 70 mA 8560/51-4073
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Transport and storage
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Signal Horn 105 dB(A)
Series 8491/2
6 Transport and storage
• Transport and store the device only in the original packaging.
• Store the device in a dry place (no condensation) and vibration-free.
• Do not drop the device.
7 Mounting and installation
7.1 Dimensions / fastening dimensions
7.2 Mounting / dismounting, operating position
7.2.1 Remove the front
Dimensional drawings (all dimensions in mm [inches]) – Subject to modification
10617E00
Signal horn
Series 8491/2
Wall mounting.
The signal must not be emitted upwards.
11093E00
• Unscrew the screw (1).
• Rotate front anticlock-
wise by about 15° and
take it off (2).
Mounting and installation
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Signal Horn 105 dB(A)
Series 8491/2
7.2.2 Insert cable/electrical line
7.2.3 Mounting the horn
The cable entry is included.
11097E00
• Cut the cable/electrical
line to a suitable length
to ensure a correct
connection.
• Insert cable/electrical line
through the cable entry
into the enclosure.
• Lock the cable entry
(width across flats SW18)
in place.
Mount the signal horn such that it cannot be used as a climbing aid.
11095E00
• Fit the signal horn to the
wall using four screws.
Indice
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