E2S BExTS110D Bedienungsanleitung
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No.D210-00-021-IS Issue 4 20-04-2020 Sheet 1 of 5
INSTRUCTION MANUAL (ATEX / IECEx)
BExTS110D and BExTS110D-R Flameproof Sontel
For use in Flammable Gas and Dust Atmospheres
1) Warnings
DO NOT OPEN WHEN AN EXPLOSIVE
ATMOSPHERE IS PRESENT
DO NOT OPEN WHEN ENERGIZED
POTENTIAL ELECTROSTATIC CHARGING
HAZARD –CLEAN ONLY WITH A DAMP
CLOTH
COVER BOLTS CLASS A4-80
USE HEAT RESISTING CABLES AND CABLE
GLANDS (RATED 110°C) AT AMB.
TEMPERATURES OVER 40°C
2) Rating & Marking Information
All units have a rating label, which carries the following
important information:-
Model No.: BExTS110D or BExTS110D-R
Input Voltage: AC Units 115V or 230V
BExTS110D or BExTS110D-R Codes:
Ex db IIC T4 Gb Ta. -50°C to +55°C
Ex db IIB T4 Gb Ta. -50°C to +70°C
Ex tb IIIC T100°C Db Ta. -50°C to +55°C
Ex tb IIIC T115°C Db Ta. -50°C to +70°C
Certificate No. KEMA 99ATEX6312X
IECEx KEM 10.0003X
The units can be installed in locations with the following
conditions:
Area Classification Gas:
Zone 1
Explosive gas air mixture likely to occur in
normal operation.
Zone 2
Explosive gas atmosphere not likely to
occur in normal operation but may be
present for short periods.
Gas Groupings:
Group IIA
Propane
Group IIB
Ethylene
Group IIC
Hydrogen and Acetylene (up to 55°C
ambient)
Temperature Classification:
T1
450ºC
T2
300ºC
T3
200ºC
T4
135ºC
Area Classification Dust:
Zone 21
Explosive dust air mixture likely to occur in
normal operation.
Zone 22
Explosive dust air mixture not likely to
occur in normal operation, and if it does, it
will only exist for a short time.
Dust Groupings:
Group IIIA
Combustible Dusts
Group IIIB
Non-Conductive Dust
Group IIIC
Conductive Dust
Maximum Surface Temperature for Dust Applications:
100ºC at +55 ºC ambient
115 ºC at +70 ºC ambient
IP Rating: IP66/67 to EN/IEC60529 and IP6X to
EN/IEC60079-0, EN/IEC60079-31
Equipment Category: 2G / 2D
Equipment Protection Level: Gb / Db
Ambient Temperature Range:
-50°C to +55°C Gas Groups IIA, IIB and IIC
-50°C to +70°C Gas Groups IIA and IIB
-50°C to +70°C Dust Groups IIIA, IIIB and IIIC
2813
II 2G
II 2D
Epsilon x
Equipment Group and
Category:
CE Marking
Notified Body No.
BExTS110D
BExTS110D-R
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No. D210-00-021-IS Issue 4 20-04-2020 Sheet 2 of 5
3) Type Approval Standards
The sontel carries an EC Type Examination Certificate and
IECEx Certificate of Conformity, and have been certified to
comply with the following standards:
EN60079-0:2012 + A11 and EN IEC 60079-0 :2018 /
IEC60079-0:2017 (Ed 7): Explosive Atmospheres -
Equipment. General requirements
EN60079-1:2014 / IEC60079-1:2014 (Ed 7): Explosive
Atmospheres - Equipment protection by flameproof
enclosures "d"
EN 60079-31:2014 / IEC60079-31:2013 (Ed 2):
Explosive Atmospheres - Equipment dust ignition protection
by enclosure "t"
4) Installation Requirements
The sontel must only be installed by suitably qualified
personnel in accordance with the latest issues of the relevant
standards:
EN60079-14 / IEC60079-14: Explosive atmospheres -
Electrical installations design, selection and erection
EN60079-10-1 / IEC60079-10-1: Explosive atmospheres -
Classification of areas. Explosive gas atmospheres
EN60079-10-2 / IEC60079-10-2: Explosive atmospheres –
Classification of areas. Explosive dust atmospheres
The installation of the sontel must also be in accordance with
any local codes that may apply and should only be carried
out by a competent electrical engineer who has the
necessary training.
5) Special Conditions of Use
Repair of the flamepath / flameproof joints is not permitted.
The enclosure is non-conducting and may generate an
ignition-capable level of electrostatic charges under certain
extreme conditions (such as high-pressure steam). The user
should ensure that the equipment is not installed in a location
where it may be subjected to external conditions that might
cause a build-up of electrostatic charges on non-conducting
surfaces.
Additionally, cleaning of the equipment should be done only
with a damp cloth.
6) Location and Mounting
The location of the sontel should be made with due regard to
the area over which the warning signal must be visible. They
should only be fixed to services that can carry the weight of
the unit.
The BEx sontel should be secured to any flat surface using at
least two of the three 7mm fixing holes on the stainless steel
U shaped mounting bracket. See Figure 1. The required
angle can be achieved by loosening the two large bracket
screws in the side of the unit, which allow adjustment of the
sontel in steps of 18°. On completion of the installation then
two large bracket adjustment screws on the side of the unit
must be fully tightened to ensure that the unit cannot move in
service.
Fig. 1 Fixing Location for Sontel Flare
Fig. 1 Fixing Location for Sontel Radial
7) Access to the Flameproof Enclosure
To access the Ex d chamber, remove the four M6 hexagon
socket head screws and withdraw the flameproof cover taking
extreme care not to damage the flameproof joints in the
process. M6 cover screws are Class A4-80 stainless steel
and only screws of this category can be used for the
enclosure.
Fig. 2 Accessing the Explosion proof Enclosure.
On completion of the installation, the flameproof joints should
be inspected to ensure that they are clean and that they have
not been damaged during installation.
Check that the earth bonding wire between the two castings
is secure and the ‘O’ ring seal is in place. When replacing the
flameproof cover casting ensure that it is square with the
flameproof chamber casting before inserting. Carefully push
the cover in place allowing time for the air to be expelled.
Only after the cover is fully in place should the four M6
Stainless Steel A4-80 cover bolts and their spring washer be
inserted and tightened down. If the cover jams while it is
being inserted, carefully remove it and try again. Never use
the cover bolts to force the cover into position.
Warning –Hot surfaces. External surfaces
and internal components may be hot after
operation, take care when handling the
equipment.
Warning –High voltage may be present,
risk of electric shock. DO NOT open when
energised, disconnect power before
opening.
(Appropriate cable glands
to be customer supplied)
Flameproof cover
M6 Cover
Screws
M6 Spring
Washer
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No. D210-00-021-IS Issue 4 20-04-2020 Sheet 3 of 5
8) Power Supply Selection
It is important that a suitable power supply is used to run the
equipment. The power supply selected must have the
necessary capacity to provide the input current to all of the
units.
The following table shows the input current taken by the
various sontels and shows the maximum voltage at which the
sontels can be operated:
The input current will vary according to the voltage input level
and the frequency of the tone selected. The current levels
shown above are for the 440Hz Continuous tone @ nominal
input voltage. The units have a switching voltage regulator
circuit and therefore the input current level will decrease
slightly as the input voltage in increased and will increase
slightly as the input voltage is reduced.
9) Selection of Cable. Cable Glands, Blanking
Elements & Adapters
When selecting the cable size, consideration must be given
to the input current that each unit draws (see table above),
the number of sontels on the line and the length of the cable
runs. The cable size selected must have the necessary
capacity to provide the input current to all of the sontels
connected to the line.
For ambient temperatures over +40ºC the cable entry
temperature may exceed +70ºC and therefore suitable heat
resisting cables and cable glands must be used, with a rated
service temperature of at least 110ºC
The dual cable gland entries have an M20 x 1.5 entry thread.
To maintain the ingress protection rating and mode of
protection, the cable entries must be fitted with suitably rated
ATEX / IECEx certified cable glands and/or suitably rated
ATEX / IECEx certified blanking devices during installation
according to EN / IEC60079-14.
If a high IP (Ingress Protection) rating is required then a
suitable sealing washer must be fitted under the cable glands
or blanking plugs.
For use in explosive dust atmospheres, a minimum ingress
protection rating of IP6X must be maintained.
The BEx sontel range can be supplied with the following
types of adapters:
M20 to ½” NPT
M20 to ¾” NPT
M20 to M25
It is important to note that stopping plugs cannot be fitted
onto adapters, only directly onto the M20 entries.
Any other adapters used must be suitably rated and ATEX /
IECEx certified adapters.
10) Earthing
Both AC and DC sontel units must be connected to an earth.
The units are provided with internal and external earth
terminals which are both located on the terminal chamber
section of the unit.
Fig. 3 Internal View of Cover
When using the internal earth terminal ensure that the
stainless steel M4 flat washer is between the incoming earth
wire and the enclosure.
Internal earthing connections should be made to the Internal
Earth terminal in the base of the housing using a ring crimp
terminal to secure the earth conductor under the earth clamp.
The earth conductor should be at least equal in size and
rating to the incoming power conductors.
External earthing connections should be made to the M5
earth stud, using a ring crimp terminal to secure the earth
conductor to the earth stud. The external earth conductor
should be at least 4mm² in size.
11) Cable Connections
Electrical connections are to be made into the terminal blocks
on the PCBA located in the flameproof enclosure. See
section 7 of this manual for access to the flameproof
enclosure.
Wires having a cross sectional area between 0.5 mm² to
2.5mm² can be connected to each terminal way. If an input
and output wire is required the 2-off Live/Neutral or +/-
terminals can be used. If fitting 2-off wires to one terminal
way the sum of the 2-off wires must be a maximum cross
sectional area of 2.5mm². Strip wires to 8mm. Wires may also
be fitted using ferrules. Terminal screws need to be tightened
down with a tightening torque of 0.45 Nm / 5 Lb-in. When
connecting wires to the terminals great care should be taken
to dress the wires so that when the cover is inserted into the
chamber the wires do not exert excess pressure on the
terminal blocks. This is particularly important when using
cables with large cross sectional areas such as 2.5mm².
Model No.
Nominal I/P
Voltage
Input
Current
Max. I/P
Volts
BExTS110DAC115
115Vac
110mA
126V
BExTS110DAC230
230Vac
56mA
253V
External Earthing
Internal
Earthing
Internal
Bonding
Wire
Terminal
2-off M20
Cable
Entries
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No. D210-00-021-IS Issue 4 20-04-2020 Sheet 4 of 5
12) AC Wiring
A 2-way terminal block is provided on the AC Sontel for
power. There are 1-off Live and 1-off Neutral terminals in
total. A 2-way terminal is provided for Telephone Signal Input
Terminals
12.1 Wiring Diagrams
Fig. 4 AC Terminals
13) Settings
13.1 Tone Selection
The sontels have 32 different tones that can be selected by
the DIP swirtches on the sounder pcb. The tone table on
page five shows the switch positions for the 32 tones and
which tones are available for the second and third stages. To
operate the sontel on stage one simply connect the supply
voltage to the normal supply terminals (+ve and –ve for DC
units, L and N for AC units).
13.2 Pulse Tone Operation
The BExTS110D Sontel has two modes of operation,
continuous tone operation and pulsed tone operation.
To select continuous tone operation the pulse tone header
pins should not be shorted. In this mode the output tone will
be as per the tone table.
To select pulse tone operation, the pulse tone header pins
should be shorted. In this mode of operation the selected
tone pattern will pulse on and off following the telephone
input signal.
Note if pulsed tone operation is selected it is advisable not to
select any of the intermittent tones, such as tone 11.
13.3 Volume Control
The output level of the BEx sontel can be set by adjusting the
volume control potentiometer (see Fig 9). For maximum
output, set the potentiometer fully clockwise.
Fig. 9 Location of Volume Control Potentiometer ON
BExTS110D AC
14) Maintenance, Overhaul & Repair
Maintenance, repair and overhaul of the equipment should
only be carried out by suitably qualified personnel in
accordance with the current relevant standards:
EN60079-19
IEC60079-19
Explosive atmospheres - Equipment repair,
overhaul and reclamation
EN 60079-17
IEC60079-17
Explosive atmospheres - Electrical
installations inspection and maintenance
To avoid a possible ELECTROSTACTIC CHARGE the unit
must only be cleaned with a damp cloth.
Units must not be opened while an explosive atmosphere is
present.
If opening the unit during maintenance operations a clean
environment must be maintained and any dust layer removed
prior to opening the unit.
Flameproof threaded joints and cemented joints are not
intended to be repaired.
Warning - High noise levels above 85dB(A)
during operation. High levels of noise may
cause hearing loss, wear suitable ear
protection when equipment is in operation.
DIP Switch
Telephone Signal
Input Terminals
AC Terminal
L
N
Volume Control
Potentiometer
Pulse Tone
Header Pin
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No. D210-00-021-IS Issue 4 20-04-2020 Sheet 5 of 5
Tone Selection
DIP Switch
Settings
Stage 1
Frequency Description
1 2 3 4 5
1
Continuous 1000Hz Toxic Gas Alarm
0 0 0 0 0
2
Alternating 800/1000Hz at 0.25s intervals
1 0 0 0 0
3
Slow Whoop 500/1200Hz at 0.3Hz with 0.5s gap repeated
0 1 0 0 0
4
Sweeping 800/1000 at 1Hz
1 1 0 0 0
5
Continuous at 2400Hz
0 0 1 0 0
6
Sweeping 2400/2900Hz at 7Hz
1 0 1 0 0
7
Sweeping 2400/2900Hz at 1Hz
0 1 1 0 0
8
Siren 500/1200/500Hz at 0.3Hz
1 1 1 0 0
9
Sawtooth 1200/500Hz at 1Hz
0 0 0 1 0
10
Alternating 2400/2900Hz at 2Hz
1 0 0 1 0
11
Intermittent 1000Hz at 0.5Hz General alarm
0 1 0 1 0
12
Alternating 800/1000Hz at 0.875Hz
1 1 0 1 0
13
Intermittent 2400Hz at 1Hz
0 0 1 1 0
14
Intermittent 800Hz 0.25s on 1s off
1 0 1 1 0
15
Continuous at 800Hz
0 1 1 1 0
16
Intermittent 660Hz 150mS on, 150mS off
1 1 1 1 0
17
Alternating 544Hz (100mS)/440Hz(400mS)
0 0 0 0 1
18
Intermittent 660Hz 1.8s on, 1.8s off
1 0 0 0 1
19
1400Hz to 1600Hz sweep up over 1s - 1600Hz to 1400Hz sweep down over 0.5s
0 1 0 0 1
20
Continuous 660Hz
1 1 0 0 1
21
Alternating 554/440Hz at 1Hz
0 0 1 0 1
22
Intermittent 554Hz at 0.875Hz
1 0 1 0 1
23
800Hz pulsing at 2Hz
0 1 1 0 1
24
Sweeping 800/1000Hz at 50Hz
1 1 1 0 1
25
Sweeping 2400/2900Hz at 50Hz
0 0 0 1 1
26
Simulated bell sound
1 0 0 1 1
27
Continuous 554Hz
0 1 0 1 1
28
Continuous 440Hz
1 1 0 1 1
29
Sweeping 800/1000Hz at 7Hz
0 0 1 1 1
30
420Hz repeating 0.625s on, 0.625s off Australian alert signal
1 0 1 1 1
31
1200/500Hz at 1 Hz Prepare to Abandon Platform
0 1 1 1 1
32
Sweeping 500/1200Hz 3.75s on, 0.25s off 15Hz
1 1 1 1 1
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