CSA P 5-2009 Test method for measuring per-cycle energy consumption energy factor and low power mode energy consumption of residential gas clothes dryers (Third Edition).pdf

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18、5-09February 2009Title: Test method for measuring per-cycle energy consumption, energy factor, and low power mode energy consumption of residential gas clothes dryersPagination: 22 pages (viii preliminary and 14 text), each dated February 2009To register for e-mail notification about any updates to

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20、 how we protect your personal information.Blank pagePublished in February 2009 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caP.5-09Test

21、method for measuring per-cycle energy consumption, energy factor, and low power mode energy consumption of residential gas clothes dryersCSA Standard100%ISBN 978-1-55491-083-0Technical Editor: Laura Contasti Canadian Standards Association 2009All rights reserved. No part of this publication may be r

22、eproduced in any form whatsoever without the prior permission of the publisher.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.The Canadian Standards Association (CSA) prints its publications on Rolland En

23、viro100, which contains 100% recycled post-consumer fibre, is EcoLogo and Processed Chlorine Free certified, and was manufactured using biogas energy.February 2009 iiiContents Canadian Standards AssociationTest method for measuring per-cycle energyconsumption, energy factor, and low power modeenergy

24、 consumption of residential gas clothes dryersTechnical Committee on Gas Appliances and Related Accessories vSubcommittee on Energy Efficiency of Gas Clothes Dryers viiPreface viii1Scope 12 References 23 Definitions and nomenclature 23.1 Definitions 23.2 Nomenclature 34 Test conditions 44.1 Installa

25、tion 44.2 Ambient temperature and humidity 44.3 Energy supply 44.3.1 Electrical supply 44.3.2 Gas supply 44.4 Instrumentation 44.4.1 General 44.4.2 Weighing scales 54.4.3 Electrical measurements 54.4.4 Time 54.4.5 Gas meter 54.4.6 Relative humidity 54.4.7 Water hardness 54.4.8 Temperature 54.4.9 Sta

26、ndard continuous flow calorimeter 64.5 Test cloths 64.5.1 Test cloth 64.5.2 Stuffer cloths 64.5.3 Test cloth preconditioning 64.6 Power supply 64.7 Drying chamber capacity 74.8 Composition, preparation, and use of test loads 74.8.1 Compact size dryer load 74.8.2 Standard size dryer load 74.9 Prepara

27、tion of test sample 84.9.1 Installation 84.9.2 Lint trap 84.9.3 Control 84.10 Clothes dryer preconditioning 85 Test procedures and measurements 85.1 General 85.2 Method of dryer loading 85.3 Test cycle 85.4 Data recording 85.5 Credit for automatic termination 9P.5-09 Canadian Standards Associationiv

28、 February 20096Calculations 96.1 Per-cycle electrical energy consumption 96.2 Per-cycle gas energy consumption 96.3 Total per-cycle energy consumption 96.4 Energy factor 107 Electrical power consumption for low power mode 107.1 General 107.2 Energy measurement method 107.2.1 Sampling method 107.2.2

29、Average reading method 117.2.3 Direct meter reading method 11AnnexesA (normative) Minimum energy factor 13B (informative) Standard test detergent 14Figures1 AHAM exhaust simulator 12 Canadian Standards AssociationTest method for measuring per-cycle energyconsumption, energy factor, and low power mod

30、eenergy consumption of residential gas clothes dryersFebruary 2009 vTechnical Committee on Gas Appliances and Related AccessoriesZ.J. Fraczkowski Technical Standards (b) provide an explanation of circumstances surrounding the actual field condition; and(c) be phrased where possible to permit a speci

31、fic “yes” or “no” answer.Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are published in CSAs periodical Info Update, which is available on the CSA Web site at www.csa.ca. Canadian Standards AssociationTest method for measur

32、ing per-cycle energyconsumption, energy factor, and low power modeenergy consumption of residential gas clothes dryersFebruary 2009 1P.5-09Test method for measuring per-cycle energy consumption, energy factor, and low power mode energy consumption of residential gas clothes dryers1Scope1.1This Stand

33、ard specifies the test method to measure per-cycle energy consumption and the calculations required to determine the energy factor of low power residential gas clothes dryers.1.2This Standard applies to compact size and standard size gas clothes dryers for use in residential applications.1.3This Sta

34、ndard does not apply to the construction and performance safety of residential gas clothes dryers.Note: Construction and performance safety are addressed in ANSI Z21.5.1/CSA 7.1.1.4In CSA Standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in or

35、der to comply with the Standard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the Standard; and “can” is used to express possibility or capability. Notes accompanying claus

36、es do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Legends to equations an

37、d figures are considered requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.1.5The values given in SI (metric) units are the standard. The values given in parentheses are for information only.P.5-09 Canadian Standards Association2 Fe

38、bruary 20092 ReferencesThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.CSA (Canadian Standards Association)CAN/CSA-C361-92 (R2008)Test method for measuring energy consumption and

39、 drum volume of electrically heated household tumble-type clothes dryersANSI Z21.5.1-2006/CSA 7.1-2006Gas clothes dryers Volume 1, Type 1 clothes dryersAHAM (Association of Home Appliance Manufacturers)HLD-1-1992Clothes DryersUS GovernmentUS Code of Federal Regulations, Title 10, Part 430, as amende

40、d from time to time (referenced as 10 CFR)3 Definitions and nomenclature3.1 DefinitionsThe following definitions apply in this Standard:Automatic termination control a dryer control system with(a) a sensor, which monitors either the dryer load temperature or its moisture content; and(b) a controller

41、 which automatically terminates the drying process.Notes: (1) A mark or detent, which indicates a preferred automatic termination control setting, is present if the dryer is to be classified as having an “automatic termination control”.(2) A mark is a visible single control setting on one or more d

42、ryer controls.Bone dry a condition of a test cloth load that has been dried and weighed.Compact (Compact size) a clothes dryer with a drying chamber capacity of less than 125 L (4.4 ft3).Cool down the portion of the clothes drying cycle when the added gas heat is terminated and the clothes continue

43、to tumble and dry within the drum.Cycle the sequence of drying operations of a clothes dryer. Note: A cycle can include variations or combinations of heating, tumbling, and drying functions.Drying chamber capacity the volume of the drying drum, adjusted for the specific door configuration employed.N

44、ote: The dryer chamber capacity takes into account the volume of the door protruding inwards or outwards of the door plane.Energy factor the ratio of weight of bone-dried test load to total per-cycle energy consumption, as measured during the test cycle specified in Clause 4.3.Low power modes Networ

45、k-connected standby mode the mode in which the energy-using product is connected to a main power source and at least one network function is available. Canadian Standards AssociationTest method for measuring per-cycle energyconsumption, energy factor, and low power modeenergy consumption of resident

46、ial gas clothes dryersFebruary 2009 3Off mode the mode in which the energy-using product is connected to a main power source and is not providing any standby mode or active mode function and where the mode persists for an indefinite time.Standby mode the mode in which the energy-using product is con

47、nected to a main power source and offers one or more user-oriented or protective functions that can persist for an indefinite time.Moisture content the ratio of the weight of water contained by the test load to the bone-dry weight of the test load, expressed as a percent.Moisture-sensing control a s

48、ystem that utilizes a moisture-sensing element within the dryer drum that monitors the amount of moisture in the clothes and is capable of automatically terminating the dryer cycle.Non-heat mode tumbling without heating.Standard (Standard size) a clothes dryer with a drying chamber capacity of 125 L

49、 (4.4 ft3) or greater.Temperature-sensing control a system that monitors dryer exhaust air temperature and is capable of automatically terminating the dryer cycle.3.2 NomenclatureThe following apply in this Standard:C = capacity of the drum, L (ft3)d = density of water at test temperature, kg/L (lb/ft3)Ecg= total gas dryer energy consumption per cycle, kWh/cycleEge= gas dryer electrical consumption per cycle, kWh/cycleEgg= gas dryer gas energy consumption per cycle, kJ/cycle (Btu/cycle)Ete= total electrical energy consumed, kWhEtg=