1.1This test method covers the motorized nozzle used in household or commercial central vacuum cleaning systems.
1.2This test method provides a test for determining operating motor life in hours by an accelerated laboratory procedure. The motors are tested while mounted and operated in the motorized nozzle.
1.3This test method covers only the motorized nozzle. The system used to provide the airflow source is not under consideration.
1.4This test method is limited to the determination of motor life for an electrically powered household or commercial motorized nozzle.
1.5The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.6This 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.
1.7This 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.
