AHRI 261 (SI):2012
AHRI 261 (SI):2012 Sound Rating Of Ducted Air Moving And Conditioning Equipment Gives a method of sound rating the indoor portions of ducted air moving and conditioning equipment.
Table of Contents
Section1-PurposeSection2-Scope
Section3-Definitions
Section4-RequirementsforAcquiring
SoundData
Section5-SoundLevelCalculations
Section6-EquipmentSoundRatings
Section7-ConformanceConditions
APPENDICES
AppendixA-References-Normative
AppendixB-References-Informative
AppendixC-AcousticTestElbowCorrection
(E[2])-Normative
AppendixD-EffectsofOtherSources-Normative
AppendixE-SupplyFanModulationDevice
Effects-Normative
AppendixF-DeterminationofSoundPowerUsingSound
Intensity-Normative