Stahl YA6S/2 Series User manual

Audible signalling device
Series YA6S/2
Operating instructions
Additional languages r-stahl.com
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Contents
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Audible signalling device
Series YA6S/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 symbols........................................................................................4
2.1 Symbols used in these operating instructions......................................................4
2.2 Warning notes......................................................................................................4
2.3 Symbols on the device.........................................................................................5
3 Safety notes.........................................................................................................6
3.1 Operating instructions storage.............................................................................6
3.2 Personnel qualification.........................................................................................6
3.3 Safe use...............................................................................................................6
3.4 Modifications and alterations ...............................................................................7
4 Function and device design .................................................................................7
4.1 Function ...............................................................................................................7
4.2 Device design ......................................................................................................8
5 Technical data......................................................................................................9
6 Transport and storage........................................................................................12
7 Mounting and installation ...................................................................................12
7.1 Dimensions/fastening dimensions .....................................................................12
7.2 Mounting/dismounting, operating position .........................................................13
7.3 Installation..........................................................................................................14
8 Commissioning ..................................................................................................26
8.1 Prerequisites......................................................................................................26
8.2 Testing ...............................................................................................................26
9 Operation ...........................................................................................................27
9.1 Troubleshooting .................................................................................................27
10 Maintenance, overhaul, repair ...........................................................................27
10.1 Maintenance and overhaul.................................................................................27
10.2 Repair ................................................................................................................27
10.3 Returning the device..........................................................................................28
11 Cleaning.............................................................................................................28
12 Disposal .............................................................................................................28
13 Accessories and spare parts..............................................................................28

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General information
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Audible signalling device
Series YA6S/2
1 General information
1.1 Manufacturer
1.2 Information regarding the operating instructions
The original instructions are the English edition.
They are legally binding in all legal affairs.
1.3 Further documents
• Data sheet
For documents in other languages, see r-stahl.com.
1.4 Conformity with standards and regulations
IECEx, ATEX, EU Declaration of Conformity and further national certificates can be
downloaded via the following link: https://r-stahl.com/en/global/support/downloads/.
IECEx is also available at: http://iecex.iec.ch/
R. STAHL Schaltgeräte GmbH
Business Unit Lighting & Signalling
Nordstr. 10
99427 Weimar
Germany
R. STAHL Schaltgeräte GmbH
Am Bahnhof 30
74638 Waldenburg
Germany
Tel.:
Fax:
Internet:
E-mail:
[phone]
[phone]
r-stahl.com
[e-mail]
Tel.:
Fax:
Internet:
E-mail:
[phone]
[phone]
r-stahl.com
[e-mail]
ID no.: 283926 / YA6S60300060
Publication code: 2022‐03‐04·BA00·III·en·01

Explanation of symbols
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Audible signalling device
Series YA6S/2
2 Explanation of symbols
2.1 Symbols used in these operating instructions
2.2 Warning notes
Warning notes must be observed under all circumstances, in order to minimise the risk
resulting from design engineering 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
General danger
Danger due to explosive atmosphere
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 these instructions can result in material damage to the device
and/or its surroundings.

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Explanation of symbols
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Audible signalling device
Series YA6S/2
2.3 Symbols on the device
Symbol Meaning
05594E00
CE marking according to the current applicable directive.
02198E00
Device certified for hazardous areas according to the marking.
15649E00
Input
15648E00
Output
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!
20690E00
Marking according to WEEE Directive 2012/19/EU

Safety notes
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Audible signalling device
Series YA6S/2
3 Safety notes
3.1 Operating instructions storage
• Carefully read the operating instructions.
• 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 is required to perform the activities 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 activities must have a level of knowledge that meets
applicable national standards and regulations.
Additional knowledge is required for any activity in hazardous areas!
R. STAHL recommends having a level of knowledge equal to that described in the
following standards:
• IEC/EN 60079-14 (Project engineering, selection and construction of electrical
systems)
• IEC/EN 60079-17 (Electrical Installations Inspection and Maintenance)
• IEC/EN 60079-19 (Equipment repair, overhaul and reclamation)
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 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 to 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 "Personnel qualification").
• 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.

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Function and device design
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Audible signalling device
Series YA6S/2
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
4 Function and device design
4.1 Function
Application range
The series YA6S/2 signalling device is intended for use in explosive or harsh
environments. It is used in gas hazardous areas in Zones 1 and 2, as well as in dust
hazardous areas in Zones 21 and 22.
Mode of operation
When activated, the signalling device emits an audible signal, depending on the
configuration and device version.
DANGER
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or change the device.
No liability or warranty for damage resulting from modifications and
alterations.
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only according to the operating conditions described in
these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.

Function and device design
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Audible signalling device
Series YA6S/2
4.2 Device design
23103E00
1 Horn cover 4 Enclosure cover
2 Enclosure 5 Cheese-head screws
3 PCB
1
2
3
4
5

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Technical data
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Audible signalling device
Series YA6S/2
5 Technical data
Explosion protection
Global (IECEx)
Gas and dust IECEx EPS 20.0036X
Ex db IIC T.*) Gb
Ex tb IIIC T... °C*) Db
Europe (ATEX)
Gas and dust EPS 20 ATEX 1 076 X
E II 2 G Ex db IIC T.*) Gb
E II 2 D Ex tb IIIC T... °C*) Db
*) Temperature class T6 T4
Max. surface temperature (tb) T80 °C T100 °C
Ambient temperature range -60 to +50 °C 1) -60 to +70 °C 2)
1) Loop in/loop out wiring up to max. 10 A
2) Loop in/loop out wiring up to max. 10 A, connection line and cable entries with
permissible operating temperature ≥ +90 °C required
Special conditions "X"
Repair work on flameproof joints is only permissible in accordance with the
values specified by the manufacturer.
The protective covers and loudspeaker trumpets must be installed so that they
are protected against electrostatic charge.
The strength class of the screws used must be at least A2-70.
Certifications and certificates
Certifications IECEx, ATEX

Technical data
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Audible signalling device
Series YA6S/2
Technical data
Technical data
Product weight 3.7 kg
Electrical data
Rated operational
voltage
12 to 24 V DC
Average input power/
max. current
consumption
Max. current
consumption
[mA]
Average
power
[W]
Horn 300 6
Class I (PE connection) (internal + external)
Ambient conditions
Functional ambient
temperature range
min. -40 °C
max. ambient temperature see certificate
Mechanical data
Degree of protection IP66 (IEC/EN 60529)
Material
Enclosure Glass fibre reinforced polyester
Enclosure colours Black
Horn ABS, flame retardant
Mounting Stainless steel
Seal Silicone O-ring seal
Cable entries 2 cable entries, equipped with:
2 x M20 dust cap, red

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Technical data
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Audible signalling device
Series YA6S/2
For further technical data, see r-stahl.com.
Acoustic data
Volume ≤ 110 dB(A) @ 1 m
Calculated
max. range
Inform [80 dB(A)] 15 m
Warn [85 dB(A)] 8 m
Alert [90 dB(A)] 4 m
Pole diagram
15288E00
22495E00
Mounting/installation
Connection type PUSH-IN terminal
Connection terminals Solid: 0.5 to 2.5 mm2
Finely stranded: 0.5 to 2.5 mm2
Scope of delivery - Signalling device according to configuration
- L-bracket
- Dust caps
Technical data
H

Transport and storage
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Audible signalling device
Series YA6S/2
6 Transport and storage
• Transport and store the device only in the original packaging.
• Store the device in a dry place (no condensation) free of vibrations.
• Do not drop the device.
7 Mounting and installation
7.1 Dimensions/fastening dimensions
Dimensional drawings (all dimensions in mm [inch]) – Subject to change
17150E00
[ 5,70]Ø
263,50 [10,37]
95
[3,74]
33 [1,30]
Ø9
[ 0,35]
Ø
75
[2,95]
105
[4,13]
[6,12]
155,50
189 [7,44]
[4,61]
117
Ø145
178,50 [7,03]

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Audible signalling device
Series YA6S/2
7.2 Mounting/dismounting, operating position
DANGER
Explosion hazard due to improper mounting!
Non-compliance results in severe or fatal injuries.
• Only operate the device if it is not damaged.
If the thread is damaged, replace the device immediately.
• Only install the device in a clean and dry operating environment.
• Only mount the device on a wall or on a suitable surface.
• Carefully protect exposed joint surfaces from damage, dust and dirt.
• Install end flanges without applying force (without hammer and tool)
in straight alignment.
• If necessary, fit core end sleeves gas-tight and using a suitable tool.
DANGER
Explosion hazard due to electrostatic discharge!
Non-compliance results in severe or fatal injuries.
Do not use the device in strong charge-generating environments!
The following processes/activities should be avoided:
• Accidental friction
• Particle flows
DANGER
Explosion hazard due to open drilled holes, unused cable entries and cable
glands!
Non-compliance results in severe or fatal injuries.
• Only use cable entries and stopping plugs that have been separately
checked and certified in accordance with Directive 2014/34/EU (ATEX)
and IECEx (CoC), and which technically correspond to the state of
technology given in the certificate.
• The IP level of protection of the cable entries and stopping plugs
must at least correspond to the IP level of protection of the device
(see marking on the device).
• When selecting cable entries, observe the type of thread and thread
size in the component documentation.
• Seal the thread with non-curing thread sealant in order to guarantee the
IP66 degree of protection.
• Always close unused drilled holes, cable entries and cable glands using
approved stopping plugs or plugs. Observe IEC/EN 60079-14 for this.
• Installation of the cable gland must be performed in accordance with the
manufacturer's instructions.
• The cable entry temperature may exceed 70 °C.

Mounting and installation
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Audible signalling device
Series YA6S/2
• Select a mounting location that is suitable for the signal effect of the device, as well as
the required mounting and installation parameters (see "Technical data" chapter).
• Mount the device on a flat surface using the L-bracket and screw holes.
• Mount suitable approved electrical lines (see "Technical data" chapter) using a
suitable flameproof cable entry.
• Close unused entries using certified, flameproof stopping plugs.
7.3 Installation
The electrical installation and configuration of the device is performed in the following
sequence:
• Dismounting the device (see chapter 7.3.1)
• Electrical connections (see chapter 7.3.2)
• Configuration (see chapter 7.3.3)
• Mounting the device (see chapter 7.3.4)
• Mounting the earth connection (see chapter 7.3.5)
7.3.1 Dismounting the device
23104E00
• Loosen the six cheese-head screws
(5) and remove the enclosure cover
(4) in a downwards direction.
23105E00
• Pull the PCB (3) slightly out of the
enclosure (2) so that the connector
can be detached from the PCB.
5
4
2
1
2
1
3

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Audible signalling device
Series YA6S/2
23106E00
• Remove the PCB (3) from the
enclosure (2).
2
1
3

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Audible signalling device
Series YA6S/2
7.3.2 Electrical connections
• Lay the pre-installed cabling in the intended electrical connections – see figure.
DANGER
Explosion hazard due to insufficient protective measures!
Non-compliance results in severe or fatal injuries.
• Select suitable conductors to ensure that the maximum permissible
conductor temperatures are not exceeded.
• When using core end sleeves, attach them using a suitable tool.
• The conductor insulation must be touching the terminal.
• Do not damage the conductor (e.g. nicking) when stripping it.
• Finally, check the conductor to ensure that it is secure (fixed).
22734E00
22735E00
7 Control (A/B signal)
8 Audible signal power supply
7
8
Sounder
0V 24V
7
8
B A

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Audible signalling device
Series YA6S/2
22736E00
Example: Connection diagram for combining multiple devices
When doing so:
• Observe the maximum permissible single wire cross-sections for the connection
terminals – see "Technical data" chapter.
• Only such cable entries and stopping plugs may be installed that have been separately
tested and certified according to Directive 2014/34/EU (ATEX) and IECEx (CoC);
they must also comply technically with the standard version stated in the certificate.
• Use electrical lines with a minimum length of 3 m or a cable gland with compound.
Sounder
A
Sounder
A
B
24 V
0 V
0V 24V
BA
0V 24V
B A
0V 24V
B
Sounder Sounder

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Audible signalling device
Series YA6S/2
7.3.3 Configuration
The configuration of the device is performed by adjusting the DIP switch on the PCB.
The following general/audible configuration options are available:
Horn circuit board
22737E00
DIP switch designation Function
9 SW1 Audible settings for sound level 1
10 SW2 Audible settings for sound level 2
11 SW3 Not equipped
12 SW4 Not equipped
13 OPTIONS General settings
9
10
11
12
13

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Audible signalling device
Series YA6S/2
"OPTIONS" DIP switch
Function of "OPTIONS" DIP switch in combination with control (A/B signal)
12345
ON ON Sound volume reduced by up to 18 dB(A)
ON OFF Sound volume reduced by up to 12 dB(A)
OFF ON Sound volume reduced by up to 6 dB(A)
OFF OFF Max. sound volume
ON Reserved
OFF Reserved
ON ACTIVATION OF SOUND LEVELS 3/4
(Control via A/B signal)
OFF DEACTIVATION OF SOUND LEVELS
3/4
(Control via A/B signal)
ON RI ACTIVATION
(Active switching via B signal)
OFF RI DEACTIVATION
(Active switching via B signal)
General settings Control signal Emitted sound
RI
ACTIVATION
SOUND LEVELS
3/4
ACTIVATION
A B SOUND Sound
selection
0 0 0 0 Sound 1 SW1
0 0 1 0 Sound 2 SW2
0 0 0 1 Sound 1 SW1
0 0 1 1 Sound 2 SW2
0 1 0 0 Sound 1 SW1
0 1 1 0 Sound 2 SW2
0 1 0 1 Sound 3 SW1
0 1 1 1 Sound 4 SW1
1 0/1 0 0 Sound
deactivated
SW1
1 0/1 1 0 Sound
deactivated
SW2
1 0/1 0 1 Sound 1 SW1
1 0/1 1 1 Sound 2 SW2

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Audible signalling device
Series YA6S/2
Audible settings
Sou-
nd
no.
SW1/SW2 Fre-
quency
Sound description Special
application
Sound level
SW
x.1
SW
x.2
SW
x.3
SW
x.4
SW
x.5
1 2 3 4
Sou-
nd
no.
Sou-
nd
no.
Sou-
nd
no.
Sou-
nd
no.
01 0 0 0 0 0 1000 Hz
800 Hz
22571E00
Changing
sound
UK BS5839-1
(fire alarm,
level
crossing)
01 SW2 05 11
02 1 0 0 0 0 3100 Hz
2500 Hz
22572E00
Safety alarm 02 SW2 04 11
03 0 1 0 0 0 1000 Hz
800 Hz
22573E00
Increased
urgency,
level
crossing
03 SW2 05 11
04 1 1 0 0 0 3100 Hz
2500 Hz
22574E00
Security
deterrent
04 SW2 02 11
05 0 0 1 0 0 554 Hz
440 Hz
22575E00
AFNOR
(France)
05 SW2 01 14
06 1 0 1 0 0 470 Hz
430 Hz
22576E00
06 SW2 01 11
07 0 1 1 0 0 1000 Hz
800 Hz
22577E00
07 SW2 28 11
08 1 1 1 0 0 3200 Hz
2500 Hz
22578E00
08 SW2 07 11
09 0 0 0 1 0 554 Hz
440 Hz
22579E00
Turn out
(Sweden
SS, 031711)
09 SW2 01 11
10 1 0 0 1 0 700 Hz 22580E00 All clear
(Sweden,
SS 031711)
10 SW2 01 11
0.5s
0.5s
0.5s
0.5s
0.4s
0.1s
1s
0.5s
0.5s
1s