Apollo 55000-024 Installation & Maintenance Manual

Apollo
Brand
Apollo
Model
55000-024
Category
Fire protection
Type
Installation & Maintenance Manual
Intelligent Base Mounted IR
³
Flame Detector,
Installation & Maintenance Guide
General
The Intelligent Base Mounted Triple Infra-red (IR
3
) Flame Detector, part no 55000-024, is
designed for use where open aming res may be expected. It is sensitive to low-frequency,
ickering infra-red radiation emitted by ames during combustion. False alarms due to such
factors as ickering sunlight are avoided by a combination of lters and signal processing
techniques. This product is not compatable with the 45681-321 isolator base.
Response to ames
In quiescent condition, i.e., in the absence of a ame, the detector returns an analogue
value of 25. When a ame is visible, the detector signals an alarm by increasing the ana-
logue value returned to 55, usually within 1.5 seconds. The analogue value may continue to
rise until it reaches a pre-set maximum of 64.
In the alarm state the IR
³
Flame Detector latches for 20 seconds, with the analogue value
decreasing to 25 once the ame is no longer detected.
Electrical considerations
The IR
³
Flame Detector is loop powered and needs no external supply. It is connected to a
control panel using either the XP95
®
or Discovery
®
protocol. A remote LED alarm indicator
may be connected to the ame detector.
Sensor window contamination
It is important to keep the sensor window clean and checks should be carried out at
regular intervals–determined locally according to the type and degree of contamination
encountered–to ensure optimal performance of the ame detector. Although ames can
be detected when the window is contaminated, there may be a reduction of sensitivity as
shown in the table overleaf.
It is recommended that the IR³ Flame Detector be disabled when the window is being
cleaned.
© Apollo Fire Detectors Limited 2010,
36 Brookside Road, Havant, Hants, PO9 1JR, UK
Tel +44 (0) 23 9249 2412 Fax +44 (0) 23 9249 2754
www.apollo-re.co.uk
Technical Data
Supply voltage 17–28V DC
Protocol 5-9V
Quiescent current 2.5mA
Alarm current 4.2mA
Switch-on surge current 9mA (peak) for 85ms
Power-up time 4 seconds
Remote output characteristics connects to positive through 4.5KΩ
(5mA Maximum)
Fire alarm threshold Analogue value 55 returned after 10Hz ame
icker for 1.5 seconds
Operating range 25m for 0.1m² n-heptane re
(EN54-10, Class 1)
Operating temperature –40°C to +70°C (no condensation or icing)
Storage temperature –40°C to +70°C
Relative humidity 0-95% (no condensation)
IP rating 66
Housing material white polycarbonate
V-0 rated to UL94
Dimensions 100mm diameter
40mm height, 48mm in base
Weight 150g detector, 210g in base
Additional Equipment
Portable ame detector test unit Part no. 29600-226
Adjusted Mounting Bracket Part no. 29600-458
PP2331/2010/Issue 4
8 1
Applications for IR
³
Flame Detectors
IR
³
Flame Detectors are used when detection is required to be unaffected by convection
currents, draughts or wind; tolerant of fumes, vapours, steam, dust and mist; responsive to a
ame more than 25m away and fast reacting.
Typical applications examples are:
• agriculture – grain and malt processing, animal feed manufacture
• aircraft hangars
• automotive industry – spray booths, parts manufacture
• chipboard and MDF manufacture
• power plants
• printing
• transformer stations
Applications and locations to avoid:
• ambient temperatures above 55°C (continuous)
• sunlight falling directly onto IR optics
• exposure to severe rain and ice
• ickering or moving hot objects
• ood or spot lighting falling directly on IR optics
• large amounts of ickering reections
• large IR sources above 200°C – heaters, burners, are stacks
• microwave ovens and dryers
• obstructions to eld of view
Table 1 Sensor window contamination
Contaminant Typical percentage of
normal response
Water spray 75
Steam 75
Smoke 75
Oil lm 86
Salt water lm 86
Dry salt deposits 86
Functional testing
When polled by a compatible panel or test set, the IR
³
Flame Detector, in quiescent condi-
tion, should return an analogue value of 25 and input bits set to ‘0’.
When output bit 2 is set to logic 1 on two or more consecutive pollings, the red LED on the
ame detector will illuminate.
When output bit 1 is set to 1 on two or more consecutive pollings the ame detector will
perform a self test. It does this by causing internal LEDs to icker in the eld of view of the
ame detector, thus simulating the behavior of ames.
When output bit 0 is set to 1 on two or more consecutive pollings the IR
³
Flame Detector will
switch on a remote LED.
Finally, provided it is safe to do so, carry out a ame test using a ickering ame source,
such as a portable bunsen burner. A still, non-ickering ame will not produce a response
from the detector.
Maintenance Guide
The IR
³
Flame Detector is designed to give years of trouble-free operation with minimal
attention. However the periodic maintenance steps listed below are essential to maintain
reliable re protection.
1. Inform all appropriate personnel of intention to work on the ame detector.
2. Disable any automatic systems that may be activated by the ame detector if not
required as part of the maintenance check.
Alarms Extinguishers Control
Audio/Visual Gas systems Plant stops
Auto diallers Water sprays Dampers/doors
3. Check that the ame detector’s control panel is functioning correctly and shows no
faults.
4. Inspect the detector viewing window for any build-up of dust or other contaminants
on the optical surface. If necessary clean the optical surface with a cotton wipe and
commercial liquid glass cleaner and wipe clean.
The detector specication for performance is with a clean optical sensor window.
Contaminants like dust, oil and paint will reduce sensitivity.
5. Ensure the detector still has a clear line of sight of the area it is protecting and no
obstacles obstruct its view.
6. Check that the detector is securely tted.
7. Visually check the exterior of the detector for any mechanical or corrosive damage.
8. Test the operation of the detector with either a portable ame sensor test unit or if
practical a ickering yellow ame.
9. Reinstate any automatic system disabled during maintenance.
10. Inform all appropriate personnel on completion of the maintenance work and if
necessary record this work.
2 7
6 3
Fig 4 IR
³
Flame Detector base connections
+
–
From control panel To next device
L2
L1
R+
R–
EARTH
ττ
© Apollo Fire Detectors Limited 1997-2007/RHD/TP
Sensitivity setting
A sensitivity switch is used to set the sensitivity of the IR
³
Flame Detector to Class 1 or Class 3.
For most practical purposes the switch should be set to Class 1 (default setting), the sensitiv-
ity required to detect ames as described in the section ‘Quantities required and position-
ing of detectors’.
In exceptional cases the IR
³
Flame Detector may be set to Class 3 operation in order to
avoid nuisance alarms being caused by radiation sources that are close to the detector
and can not be moved.
The rotary sensitivity switch is located on the detector rear behind the label. To set to Class
3, rotate the switch 90° clockwise. To return the sensitivity switch to the Class 1 setting,
rotate the switch 90° counter clockwise. Reseal label or seal hole with suitable sealant if the
sensitivity has been changed.
Installation
The IR
³
Flame Detector is mounted on any XP95 or Discovery base and would normally be
wall or ceiling mounted preferably on an adjustable bracket to adjust the angle of view.
The standard base mounting is used for horizontal viewing, e.g., along corridors or along
the length of industrial processes or vertical viewing inside fume cupboards or over
hoppers.
Flame detectors should be tted to solid walls or rigid constructions that do not move and
are not subject to vibration.
The IR
³
Flame Detector must be assigned an address by addressing the XPERT card in the
usual way. A list of address settings is shown in Table 2.
Wiring
The ame detector has ve connections: – Line 1, + Line 2, +Remote, –Remote and func-
tional earth/screen. The connections are accessed by removing the detector from it’s
base. See Fig 4 for connection diagram.
Terminal Descriptions
1 +L2 +Line IN and OUT
2 –L1 –Line IN and OUT
3 +R +Remote LED
4 –R –Remote LED
5 EARTH Functional Earth/Screen (Isolated)
Quantities required and positioning of detectors
The number of detectors required and their positioning depends on:
• the anticipated size of the ame
• the distance of the ame from the detector and
• the angle of view of the ame detector
The IR
³
Flame Detector is designed to operate to Class 1 performance as dened in EN54:
Part 10. The detector will, therefore, detect a yellow ickering ame of approximately 0.1m²
or a clear ame of 0.25m² at 25m.
In fact, the ame detector will detect res at distances of up to 40 metres, but the ame
size at such distances needs to be proportionally greater in order to be sure of reliable
detection. Thus the yellow ickering ame that can be detected at 25m, provided that
its size is not less than 0.1m², will have to be 0.4m² in order to be detected at 40 metres. In
a rectangular room the distance from the ame detector to the re is calculated by the
formula:
L² + W² + H²
In the example shown in Fig 1 the room in which the ame detector is to be installed
measures 20m x 10m x 5m; the distance from the detector to the ame will therefore be:
20² + 10² + 5²
= 22.9m
Height
Width
Length
© Apollo Fire Detectors Limited 2000-2005/RHD
Fig 1 Calculation of distance from detector to ame
The IR
³
Flame Detector is often positioned at the perimeter of the room, pointing directly at
the area of the anticipated ame or at the centre of the area to be protected. If the detec-
tor cannot ‘see’ the whole of the area to be protected, one or more additional detectors
may be required.
The IR
³
Flame Detector is not affected by normal light sources but should be positioned so
that sunlight does not fall directly onto the viewing window.
4 5
1
2
4
8
16
32
64
1
1
1
2
4
8
16
32
64
10
10
1
2
4
8
16
32
64
9
9
1
2
4
8
16
32
64
8
8
1
2
4
8
16
32
64
7
7
1
2
4
8
16
32
64
6
6
1
2
4
8
16
32
64
5
5
1
2
4
8
16
32
64
4
4
1
2
4
8
16
32
64
3
3
1
2
4
8
16
32
64
2
2
1
2
4
8
16
32
64
11
11
1
2
4
8
16
32
64
20
20
1
2
4
8
16
32
64
19
19
1
2
4
8
16
32
64
18
18
1
2
4
8
16
32
64
17
17
1
2
4
8
16
32
64
16
16
1
2
4
8
16
32
64
15
15
1
2
4
8
16
32
64
14
14
1
2
4
8
16
32
64
13
13
1
2
4
8
16
32
64
12
12
1
2
4
8
16
32
64
21
21
1
2
4
8
16
32
64
30
30
1
2
4
8
16
32
64
29
29
1
2
4
8
16
32
64
28
28
1
2
4
8
16
32
64
27
27
1
2
4
8
16
32
64
26
26
1
2
4
8
16
32
64
25
25
1
2
4
8
16
32
64
24
24
1
2
4
8
16
32
64
23
23
1
2
4
8
16
32
64
22
22
1
2
4
8
16
32
64
31
31
1
2
4
8
16
32
64
40
40
1
2
4
8
16
32
64
39
39
1
2
4
8
16
32
64
38
38
1
2
4
8
16
32
64
37
37
1
2
4
8
16
32
64
36
36
1
2
4
8
16
32
64
35
35
1
2
4
8
16
32
64
34
34
1
2
4
8
16
32
64
33
33
1
2
4
8
16
32
64
32
32
1
2
4
8
16
32
64
41
41
1
2
4
8
16
32
64
50
50
1
2
4
8
16
32
64
49
49
1
2
4
8
16
32
64
48
48
1
2
4
8
16
32
64
47
47
1
2
4
8
16
32
64
46
46
1
2
4
8
16
32
64
45
45
1
2
4
8
16
32
64
44
44
1
2
4
8
16
32
64
43
43
1
2
4
8
16
32
64
42
42
1
2
4
8
16
32
64
51
51
1
2
4
8
16
32
64
60
60
1
2
4
8
16
32
64
59
59
1
2
4
8
16
32
64
58
58
1
2
4
8
16
32
64
57
57
1
2
4
8
16
32
64
56
56
1
2
4
8
16
32
64
55
55
1
2
4
8
16
32
64
54
54
1
2
4
8
16
32
64
53
53
1
2
4
8
16
32
64
52
52
1
2
4
8
16
32
64
63
63
1
2
4
8
16
32
64
62
62
1
2
4
8
16
32
64
61
61
XPERT card addressing forXP95 and Discovery
Select the desired address and remove the pips indicated in black. Remove pips with a small screwdriver.
1
2
4
8
16
32
64
124
124
1
2
4
8
16
32
64
126
126
1
2
4
8
16
32
64
125
125
1
2
4
8
16
32
64
80
80
1
2
4
8
16
32
64
79
79
1
2
4
8
16
32
64
78
78
1
2
4
8
16
32
64
77
77
1
2
4
8
16
32
64
76
76
1
2
4
8
16
32
64
70
70
1
2
4
8
16
32
64
69
69
1
2
4
8
16
32
64
68
68
1
2
4
8
16
32
64
67
67
1
2
4
8
16
32
64
66
66
1
2
4
8
16
32
64
65
65
1
2
4
8
16
32
64
64
64
1
2
4
8
16
32
64
71
71
1
2
4
8
16
32
64
75
75
1
2
4
8
16
32
64
74
74
1
2
4
8
16
32
64
73
73
1
2
4
8
16
32
64
72
72
1
2
4
8
16
32
64
81
81
1
2
4
8
16
32
64
90
90
1
2
4
8
16
32
64
89
89
1
2
4
8
16
32
64
88
88
1
2
4
8
16
32
64
87
87
1
2
4
8
16
32
64
86
86
1
2
4
8
16
32
64
85
85
1
2
4
8
16
32
64
84
84
1
2
4
8
16
32
64
83
83
1
2
4
8
16
32
64
82
82
1
2
4
8
16
32
64
91
91
1
2
4
8
16
32
64
100
100
1
2
4
8
16
32
64
99
99
1
2
4
8
16
32
64
98
98
1
2
4
8
16
32
64
97
97
1
2
4
8
16
32
64
96
96
1
2
4
8
16
32
64
95
95
1
2
4
8
16
32
64
94
94
1
2
4
8
16
32
64
93
93
1
2
4
8
16
32
64
92
92
1
2
4
8
16
32
64
101
101
1
2
4
8
16
32
64
110
110
1
2
4
8
16
32
64
109
109
1
2
4
8
16
32
64
108
108
1
2
4
8
16
32
64
107
107
1
2
4
8
16
32
64
106
106
1
2
4
8
16
32
64
105
105
1
2
4
8
16
32
64
104
104
1
2
4
8
16
32
64
103
103
1
2
4
8
16
32
64
102
102
1
2
4
8
16
32
64
111
111
1
2
4
8
16
32
64
120
120
1
2
4
8
16
32
64
119
119
1
2
4
8
16
32
64
118
118
1
2
4
8
16
32
64
117
117
1
2
4
8
16
32
64
116
116
1
2
4
8
16
32
64
115
115
1
2
4
8
16
32
64
114
114
1
2
4
8
16
32
64
113
113
1
2
4
8
16
32
64
112
112
1
2
4
8
16
32
64
123
123
1
2
4
8
16
32
64
122
122
1
2
4
8
16
32
64
121
121
Address Setting
Before installing the IR
³
Flame Detector it is necessary to set the address using the XPERT
card, select the desired address and remove pips indicated in black. Remove with a small
screwdriver.
A complete list of address settings is shown in the table below.
Table 2 XPERT card address settings
To meet the requirements of EN54:10 clause 5.4, were the ratio of the response points
Dmax:Dmin should not exceed 1.41. The horizontal and vertical viewing angles a
max
should
not exceed ±32.5
Loop design
The IR
³
Flame Detector is powered from the loop; it draws 2.5mA in quiescent state and
4.2mA in alarm. In order to determine the number of ame detectors that can be con-
nected to a given loop, please refer to the Loop Calculation program, which can be
downloaded from the Apollo website.
The IR
³
Flame Detector has an angle of view of approximately 90°, as shown in the diagram
below.
Fig 3 Angle of view of IR
³
Flame Detector
–90°
–75°
–60°
–45°
–30°
–15°
0°
15°
30°
45°
60°
?75°
90°
0.1m² flame seen
at 25m in straight line
from flame detector
0.4m² flame seen
at 40m in straight line
from flame detector
0.1m² flame not seen
at 25m since it is not
in the field of view of
the flame detector
25m0 40m
centre line of detector
detection of 0.4m² flame
detection of 0.1m² flame
© Apollo Fire Detectors Limited 2000-2005/RHD
Vertical Plane
Ceiling
5m
10m
15m
20m
Floor
Plan View
10m Dia.
20m Dia.
30m Dia.
40m Dia.
Height
© Apollo Fire Detectors Limited 2009/TP
Fig 2 Ceiling mounting example
The IR
³
Flame Detector can also be ceiling mounted, positioned above the anticipated
ame source or at the centre of the area to be protected, perpendicular to the oor
below. If the detector cannot see the whole of the area to be protected, one or more
additional detectors may be required. Refer to the angle of view diagram Fig. 3 to establish
the detector performance. The area of detection is dependent on the detectors height
above the likely source of ame. The detector has a 90° conical eld of view or 45° either
side of the viewing axis centre line. The maximum ceiling height is 20m.
If the detector is perpendicular to oor and at a height of 10m then the detector will view a
circular oor area below with a 10m radius (20m diameter circle).
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Apollo 55000-024 Installation & Maintenance Manual

Apollo
Brand
Apollo
Model
55000-024
Category
Fire protection
Type
Installation & Maintenance Manual
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