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Summary of Contents for Hochiki IFD-E(Exd)
- Page 1 IFD-E(Exd) Explosion-Proof Flame Detector User Manual...
- Page 2 Hochiki Europe (UK) Ltd General Description This Installation Guide gives information on the Flameproof (EExd) version of the flame detectors that have been approved by ISSeP (Institut Scientifique de Service Public; notified body number:492). The requirements of the European Community Directive 94/9/EC, the ATmosphere EXplosives ATEX Directive have been met.
- Page 3 Hochiki Europe (UK) Ltd Classification of Hazardous Areas EN 60079-0 (formally EN50014) states that electrical apparatus for potentially explosive atmospheres is divided into: Group I: Electrical apparatus for mines susceptible to fire damp; Group II: Electrical apparatus for places with a potentially explosive atmosphere, other than mines susceptible to fire damp.
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Page 4: Equipment Markings
Hochiki Europe (UK) Ltd Equipment Markings Type of Explosive Atmosphere Group II Equipment G - gas vapour mist Definition Category D - dust Zone - very high level of protection in which explosive atmosphere mixtures of air gases, vapours or mist are present... - Page 5 Hochiki Europe (UK) Ltd Temperature Class Maximum Surface Referred to Temperature ambient of -20°C to +40°C 85°C Type of Equipment Code Protection Category Code 100°C Intrinsic safety 135°C Intrinsic safety 200°C Flameproof 300°C These Flame Detectors are approved ia. Table 2 – Type of Protection Codes 450°C...
- Page 6 Hochiki Europe (UK) Ltd Flameproof Safe Products Technical Data Mechanical Housing Material: Copper Free Aluminium Alloy LM25 See Fig 1 Housing Colour: Housing Height = 150mm Dimension: Width = 146mm (Excluding Mount) Depth = 137mm Weight 2.5kg Cable Gland 3 X 20mm Entries: Fig.
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Page 7: System Design
Hochiki Europe (UK) Ltd System Design Engineers familiar with codes of practice for hazardous area systems should only undertake the design of an flameproof fire detection system. In Europe the standard is EN 60079-0 (formally EN 50014), Electrical apparatus for potentially explosive atmospheres – General requirements. -
Page 8: Enclosure Details
Hochiki Europe (UK) Ltd Enclosure Details Health and Safety at Work Act In the UK all equipment must be installed and disposed of (as required) within the legislative requirements of the Health & Safety at Work Act 1974. Installation No modification should be made to the enclosure without reference to the manufacturer as unauthorised modification to an approved enclosure will invalidate the certificate/approval 1. - Page 9 Hochiki Europe (UK) Ltd Enclosure with Front Cover Removed 2-3-0-810/ISS3/SEP14...
- Page 10 Hochiki Europe (UK) Ltd EExd System Drawing NOTE 1 WARNING – Ensure ALL power is OFF before/during installation/maintenance. NOTE 2 Ensure the details on the enclosure label comply with the hazardous area specified. NOTE 3 The installation must comply with national installation...
- Page 11 Hochiki Europe (UK) Ltd Hochiki CHQ Module Connection Information Fig 10 Connection Diagram using a CHQ-SZM Single Zone Monitor (or CHQ-MZ) 2-3-0-810/ISS3/SEP14...
- Page 12 Hochiki Europe (UK) Ltd Fig 11 Connection Diagram using a CHQ-DIM Dual Input Module (or CHQ-S) 2-3-0-810/ISS3/SEP14...
- Page 13 Hochiki Europe (UK) Ltd Fig 12 Connection Diagram using a CHQ-POM Powered Output Module NOTE: The CHQ-POM has a variable output, this should be set at 30mA. 2-3-0-810/ISS3/SEP14...
- Page 14 Hochiki Europe (UK) Ltd Fig 13 Connection Diagram using a CHQ-DZM Dual Zone Monitor (or CHQ-Z) 2-3-0-810/ISS3/SEP14...
- Page 15 Web: www.hochikieurope.com Hochiki Europe (UK) Ltd. reserves the right to alter the specification of its products from time to time without notice. Although every effort has been made to ensure the accuracy of the information contained within this document it is not warranted or represented by Hochiki Europe (UK) Ltd.
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