BS 4856-5:1979
Withdrawn
Date published:
Methods for testing and rating fan coil units, unit heaters and unit coolers, Acoustic performance; with ducting
Methods of testing and rating sound power emission resulting from the operation of air-moving parts of fan coil units, unit heaters and coolers as defined in Part 3, when used with ducting. Instructions for calculations and for presentation of test results comprising sound power radiated from the outlet, the inlet or the casing of a unit.
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17.140.20 Noise emitted by machines and equipment
91.140.30 Ventilation and air-conditioning systems
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BS 4856-5:1979
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