Sound data, Measurement of sound data, Chillers logicool – Airedale LogiCool FreeCool 40kW User Manual
Page 27

Chillers
LOGICOOL
™
Chillers
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Technical Manual : 6521355 V1.8.0 07/2014
Sound Data
MEASUREMENT OF
SOUND DATA
All sound data quoted has been measured in the third-octave band limited values, using a
Real Time Analyser calibrated sound intensity meter in accordance with BS EN ISO9614
Part 1 : 1995.
The Global sound data quoted is valid for noise emitted in the horizontal plane
in all directions
All Sound Power Levels quoted are calculated from measured sound intensity according
to BS EN ISO9614 Part 1 : 1995.
Sound Pressure Levels are calculated from sound power using the expanded
parallelepiped method according to BS EN ISO11203 : 1996.
SOUND DIRECTIVITY
The Global sound measurements quoted in the following tables do not incorporate any
directivity or denote any sound level heard at any given position surrounding the chiller,
rather they represent the total sound level radiating from the chiller in all directions in the
horizontal plane from source.