Polon-Alfa DUR-40Ex Installation And Maintenance Manual Download | Manualshive

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DUR-40Ex

Intrinsically Safe

SMOKE DETECTOR

Installation and Maintenance Manual

IK-E317-001GB

IB Issue

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Summary of Contents for DUR-40Ex

Page 1: ...DUR 40Ex Intrinsically Safe SMOKE DETECTOR Installation and Maintenance Manual IK E317 001GB IB Issue ...

Page 2: ...Inspection Certificate No KDB 05ATEX190X Supplement No 1 Quality Assurance Acknowledgement No GIG 04 ATEXQ 021 WE Conformity Declaration No 3 E317 2010 The Certificates may be downloaded from www polon alfa pl web site 1438 1453 Polon Alfa Limited Partnership 155 Glinki Street PL 85 861 Bydgoszcz POLAND 06 1438 CPD 0033 EN 54 7 DUR 40Ex Optical Smoke Detector scattered light principal based conven...

Page 3: ...ups and T1 up to T6 temperature classes The detector is characterised by an increased resistance to wind influence and atmospheric pressure changes It provides a high level of visible and nonvisible smoke sensitivity 2 TECHNICAL SPECIFICATIONS Operating voltage 12 V 28 V Maximum monitoring mode current 60 µA Alarm current 20 mA Detector sensitivity 0 2 dB m Maximum mounting height 11 m Maximum sup...

Page 4: ... responsibility for the operation of any apparatus being repaired by unauthorised personnel 4 2 Works at height Any detector installation works carried out at height must be executed with particular care utilising tools and machinery in good working condition Special attention shall be given to stability of ladders elevators lifts etc Any electric tool shall be used strictly obeying the safety rul...

Page 5: ...rotected by a labyrinth which is shaped to dump both external light and radiation resulting from internal reflexes of the transmitting diode light When smoke particles enter the measuring chamber they reflect the light emitted by the transmitting diode The reflected light reaches the optical diode producing photocurrent which is first strengthened and processed and then analysed by the microproces...

Page 6: ...iving photodiode is vital Basket Basket Mesh Screw Clinch Labyrinth Casing with printedboard Blockade Fig 2 Detector elements The detector assembly and dismantling process is shown on Figure 2 In order to dismantle a detector the following operations should be carried out pressing the long mesh clinch turn the casing right against the basket until it is released remove the screen unscrew two labyr...

Page 7: ...ssary to send the detector to the manufacturer for repair 9 DETECTOR INSTALLATION The DUR 40Ex detectors shall be installed location height etc in accordance with general design rules They are mounted in places where the equipment working or materials stored may emit smoke resulting from their burning or smouldering The detectors are installed in 40 model range bases The detection line installatio...

Page 8: ...exposed to direct sunlight or high temperature emitted by heaters The storage period of the detector in transport package should not exceed 6 months 10 2 Transportation The DUR 40Ex detectors should be carried in closed spaces of transport means in proper packages that meet appropriate transport regulations Transport temperature shall not be lower than 40 C and higher than 70 C relative humidity s...

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