Fire Fighting Enterprises Talentum IR3 Flame Detector - Manual (Page 3)

14
IS System Drawing with Remote Detector Test Option
Hazardous Area
i
-
24V DC Normal
(Break supply to
reset if detector set
to latch)
i = See detector data
sheet for details
24V DC Normal
(Break supply to
reset if detector set
to latch)
Zone
+
Press to Test
Detector
Flame Detector
2
1
-
+
4
3
-
+
+
-
Barrier
Barrier
+
-
Press to Test
Detector ‘B’
Press to Test
Detector ‘A’
Safe Area Safe Area Apparatus
The barriers and isolators are to be
supplied from apparatus which is
unspecified except that it must not
be supplied from nor contain in
normal or abnormal conditions a
source of potential with respect to
earth in excess of 253 volts r.m.s. or
253 volts d.c.
SYST
Baseefa08Y0078
Ga Ex ia IIC T4
6
5
7
8
6
5
7
8
4
3
-
+
Flame Detector ‘A’
Fault
Relay
Fire
Relay
2
1
-
+
EO
L
Flame Detector ‘B’
4
3
-
+
Fault
Relay
Fire
Relay
2
1
-
+
+
-
-
+
Barrier
(2 channel)
+
-
-
+
Barrier
(2 channel)
+
-
-
+
NOTE 8
The installer must perform a risk assessment in accordance
with clause 10 of EN 60079-25 and install lightning protection
arrestors as deemed necessary.
NOTE 7
The system shall be marked in a “strategic position”, either on
or adjacent to the principle item of electrical apparatus, with the
following information:
Talentum Developments Ltd
www.Talentum.co.uk
Title: - 016XXX Series I.S. System Drawing
Rev: A Drawn by: J.A.B. Checked by: J.P 17/04/08
Drawing number: A4/1468/07 Sheet 2 of 2
Baseefa Certificate Related Drawing
No modifications permitted without the
approval of the Technical Director
Refer to note 6
3
Equipment Markings
ATEX
(EU Directive 94/9/EC)
II 1 G
Equipment
Definition Type of Explosive
Atmosphere Group II
Category G gas vapour mist
Zone
1 - very high level of protection
in which explosive atmosphere mixtures of air gases,
vapours or mist are present continuously, for long
periods
0
2 - high level of protection
in which explosive atmosphere mixture of air and gases,
vapours or mist are likely to occur
1
3 - normal level of protection
in which explosive atmosphere mixtures of air and
gases, vapours or mist are unlikely to occur and if it
occurs it will exist only for a short period
2
These Flame Detectors are suitable for all the above equipment categories.
Note: The detectors are not certified for explosive dust atmospheres.
Table 1 Equipment Categories and Type of Explosive Atmosphere (Group II)
CE Marking
EU Explosive
Atmosphere
Symbol
Group II