IS/ISO 13261 : Part 1 : 1998 : Sound Power Rating of Air-Conditioning and Air-Source Heat Pump Equipment Part 1 Non-Ducted Outdoor Equipment

Reaffirmed 2021

NATIONAL FOREWORD

This Indian Standard (Part 1) which is identical with ISO 13261-1 : 1998 ‘Sound power rating of air-conditioning and air-source heat pump equipment - Part 1: Non-ducted outdoor equipment’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Refrigeration and Air Conditioning Sectional Committee and approval of the Mechanical Engineering Division Council.

This standard specifies methods for the determination of sound power ratings of air-conditioning and air-source heat pump equipment to be used outdoors. It is also applicable to the sound power rating of the outdoor sections of factory-made residential, commercial and industrial air-conditioning and air-source heat pump equipment which are electrically driven with mechanical compression and which are intended to be installed outdoors. This standard includes both non-ducted equipment and equipment with ducts that terminate indoors. It includes both an octave-band sound power level rating and a single-number A-weighted overall sound power level rating.

This standard has two parts under general title ‘Sound power rating of air-conditioning and air-source heat pump equipment’. Other part in this series is:

Part 2 Non-ducted indoor equipment