Hochiki Europe (UK) Ltd
9
2-3-0-810/ISS3/SEP14
Enclosure with Front Cover Removed
Страница 1: ...IFD E Exd Explosion Proof Flame Detector User Manual...
Страница 2: ...vapour is or may be present intermittently or as a result of an accident These are defined as hazardous areas by EN 60079 0 formally EN 50014 Electrical apparatus for explosive gas atmospheres General...
Страница 3: ...usceptible to fire damp Group II Electrical apparatus for places with a potentially explosive atmosphere other than mines susceptible to fire damp These flame detectors are designed to meet the requir...
Страница 4: ...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 v...
Страница 5: ...re approved IIC for listed gases in EN 50014 Table 4 Subdivisions of Group II Gases Temperature Class Referred to ambient of 20 C to 40 C Maximum Surface Temperature T6 85 C T5 100 C T4 135 C T3 200 C...
Страница 6: ...sources by responding only to low frequency flickering produced by flames typically 1 to 15Hz The detectors ignore fixed light sources and rapidly flickering illumination predominantly produced by li...
Страница 7: ...esigned manner It is recommended that it should be at least once a year 1 External surfaces of the enclosure should be periodically cleaned to ensure dust deposits are not allowed to accumulate 2 Chec...
Страница 8: ...damage during installation Any such damage can destroy the validity of the enclosure 3 Before the cover is refitted the flame path threaded joint between cover and body must be thoroughly wiped clean...
Страница 9: ...Hochiki Europe UK Ltd 9 2 3 0 810 ISS3 SEP14 Enclosure with Front Cover Removed...
Страница 10: ...onal installation requirements for example to EN 60079 14 NOTE 4 If required a loading resistor or end of line device EOL can be connected between the detector terminals of any circuit The total power...
Страница 11: ...Hochiki Europe UK Ltd 11 2 3 0 810 ISS3 SEP14 Hochiki CHQ Module Connection Information Fig 10 Connection Diagram using a CHQ SZM Single Zone Monitor or CHQ MZ...
Страница 12: ...12 Hochiki Europe UK Ltd 2 3 0 810 ISS3 SEP14 Fig 11 Connection Diagram using a CHQ DIM Dual Input Module or CHQ S...
Страница 13: ...Hochiki Europe UK Ltd 13 2 3 0 810 ISS3 SEP14 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...
Страница 14: ...14 Hochiki Europe UK Ltd 2 3 0 810 ISS3 SEP14 Fig 13 Connection Diagram using a CHQ DZM Dual Zone Monitor or CHQ Z...
Страница 15: ...l sales hochikieurope com 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...
