British & International Standards
BS 4856
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
Draft Superseded: 95/717445 DC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 (Noise emitted by machines and equipment)
ICS: 91.140.30 (Ventilation and air-conditioning systems)
ICS: 97.100.01 (Heating appliances in general)
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