British & International Standards
BS 4856 : Fan Coils, Heaters and Coolers
Sound Power Testing and Rating
Standard Number BS 4856-4:1997
Title Methods for testing and rating fan coil units, unit heaters and unit coolers. Determination of sound power levels of fan coil units, unit heaters and unit coolers using reverberating rooms
Status Confirmed, Current
Publication Date 15 September 1997
Confirm Date 01 June 2007
Cross References BS 848:Part 2, BS 4856:Part 2, BS 4856:Part 3, BS EN 60651, BS 848:Part 1, BS 4196:Part 1, BS 4196:Part 2, BS 4727:Part 3:Group 08
Replaces BS 4856:Part 4:1978, BS 4856:Part 5:1979
Supersedes Draft 95/717445 DC
Descriptors Fan coil units, Air treatment devices, Air-conditioning equipment, Unit heaters, Unit coolers, Heat exchangers, Performance, Acoustic measurement, Acoustic testing, Sound intensity, Ratings, Mathematical calculations, Noise (environmental), Reverberation rooms, Test equipment, Sound sources, Installation
ICS 17.140.20
ICS 91.140.30
ICS 97.100.01
Sound Power Measurements
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