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Sound power rating of air-conditioning and air-source heat pump equipment - Part 2: Non-ducted indoor equipment
This part of ISO 13261 specifies methods for the determination of sound power ratings of air-conditioning and air-source heat pump equipment to be used indoors.
It is applicable to the sound power rating of the indoor sections of non-ducted, factory-made, residential, commercial and industrial air-conditioning and air-source heat pump equipment, which are electrically driven with mechanical compression including free-delivery heat pumps, packaged-terminal air-conditioners and water-source heat pumps.
This part of ISO 13261 includes both an octave-band sound power level rating and a single-number A-weighted overall sound power level rating.
This part of ISO 13261 does not apply to:
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