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BS 4856-4:1978

Methods for testing and rating fan coil units, unit heaters and unit coolers - Acoustic performance; without additional ducting

Standard Details

Testing and rating for sound power emission from equipment defined in BS 4856:Parts 1 and 8, when used directly in the conditioned space, i.e. without ducting. Instructions for calculations and for presentation of test results.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: BS 4856-4:1978
Document Year: 1978
Pages: 12
  • Section Volume:
  • GBM09 Metrology (GMB09)
  • ICS:
  • 17.140.20 Noise emitted by machines and equipment
  • 91.140.30 Ventilation and air-conditioning systems

Life Cycle

Confirmed

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WITHDRAWN
BS 4856-4:1978
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