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1.1 This test method covers only a laboratory test for determining the relative carpet dirt removal effectiveness of residential central vacuum cleaning systems when tested under specified conditions.

1.2 This test method is applicable to residential central vacuum cleaning systems intended for cleaning carpets.

1.3 This test method applies only to embedded dirt removal from carpets, not the removal of surface litter and debris.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 This test method provides a laboratory test for determining the relative carpet dirt removal effectiveness of residential central vacuum cleaning systems when tested under standard conditions and on representative types of carpets.

4.2 This laboratory test method may not give a representation of carpet embedded dirt cleaning effectiveness in the home.

4.3 In order to provide a uniform basis for measuring performance as described in 1.2, standardized test carpets and standardized test dirt are employed in this procedure.

4.4 The results reflect a non-loaded cleaning capability and may not be representative of cleaning capabilities under dirt loading conditions.