ASTM F1692-96

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: F 1692 – 96
Standard Test Method for
Life Evaluation of a Turbine-Powered Nozzle for Household
1
Central Vacuum Cleaning Systems
This standard is issued under the fixed designation F 1692; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 turbine stoppage—for turbine-powered nozzles, any
failure integral with the turbine assembly such as housing(s),
1.1 This test method covers the turbine-powered nozzle
bearings, or any other component judged to be integral with the
used in household central vacuum cleaning systems.
turbine.
1.2 This test method provides a test for determining the
operating turbine life in hours by an accelerated laboratory
4. Significance and Use
procedure. The turbine is tested while mounted and operated in
4.1 The test results provide an indication of the turbine-
the power nozzle.
powered nozzle in terms of operating life. The end of turbine
1.3 This test method covers only the turbine-powered
life will be judged in accordance with 3.1.1.
nozzle. The system used to provide the airflow source is not
under consideration.
5. Apparatus and Materials
1.4 This test method is limited to the determination of
5.1 Voltage Regulator, capable of maintaining 120 6 2-V
turbine life for a household turbine-powered nozzle.
rms or rated voltage of the cleaner or airflow source with a
1.5 The values stated in inch-pound units are to be regarded
waveform that is essentially sinusoidal with 3 % maximum
as the standard. The values given in parentheses are for
harmonic distortion for the duration of the test.
information only.
5.2 Voltmeter, to provide measurements accurate to within
1.6 This standard does not purport to address all of the
6 1%.
safety concerns, if any, associated with its use. It is the
5.3 Timer and Switch, having the capacity to control the
responsibility of the user of this standard to establish appro-
off/on duty cycle of the nozzle and airflow source during the
priate safety and health practices and determine the applica-
life test.
bility of regulatory limitations prior to use.
5.4 Wattmeter, to provide measurements accurate to within
61%.
2. Referenced Documents
1
5.5 Sharp-Edge Orifice Plate—The orifice, 1 ⁄4-in. (32-mm)
2.1 ASTM Standards:
2 diameter, shall be in accordance with the orifice plate illus-
D 75 Practice for Sampling Aggregates
trated in Specification F 431.
E 337 Test Method for Measuring Humidity with a Psy-
5.6 Plenum Chamber, conforming to the plenum chamber
chrometer (the Measurement of Wet-Bulb and Dry-Bulb
3 specifications stated in Specification F 431.
Temperatures)
5.7 Water Manometer, or equivalent instrument, measuring
F 431 Specification for Air Performance Measurement Ple-
4 in increments of 0.1 in. (2.54 mm).
num Chamber for Vacuum Cleaners
5.8 Barometer, with an accuracy of 6 0.05 in. (1.27 mm)
F 608 Laboratory Test Method for Evaluation of Carpet-
Hg, capable of measuring uncorrected barometric pressure (test
Embedded Dirt Removal Effectiveness of Household
4 station pressure) with scale divisions of 0.02 in. (0.51 mm) or
Vacuum Cleaners
finer.
F 655 Specification for Test Carpets and Pads for Vacuum
4 5.9 Thermometer, having a range from at least 18 to 80°F
Cleaning Testing
(−8 to +27°C) and graduated in 1°F (0.5°C) increments.
3. Terminology 5.10 Psychrometer, meeting the requirements of Test
Method E 337, with thermometers graduated in increments of
3.1 Definitions of Terms Specific to This Standard:
1°F (0.5°C).
5.11 Test Carpet, conforming to the specifications for level
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This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum
loop carpet as described in Specification F 655. A carpet that
Cleaners and is the direct responsibility of Subcommittee F11.30 on Durability-
provides equivalent nozzle loading results may be used.
Reliability.
Current edition approved March 10, 1996. Published May 1996.
5.12 Test Carpet Padding, conforming to the padding de-
2
Annual Book of ASTM Standards, Vols 04.02 and 04.03.
scribed in Specification F 655.
3
Annual Book of ASTM Standards, Vol 11.03.
4 5.13 Test Cleaner or Airflow Source—The turbine nozzle
Annual Book of ASTM Standards, Vol 15.07.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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F 1692
life evaluation tests shall be conducted using the airflow source be determined and will be used to ensure that no leaks develop
and voltage resulting from the components that compose the to reduce the load on the nozzle during the test. For this initial
combination system with which
...