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21、rk of Canadian Standards AssociationNational Standard of Canada(approved February 2003)CAN/CSA-B211-00Energy Efficiency of Oil-Fired Storage TankWater HeatersPrepared byRegistered trade-mark of Canadian Standards AssociationApproved byStandards Council of CanadaPublished in December 2000 by Canadian
22、 Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 1-800-463-6727 416-747-4044Visit our Online Store at www.csa.caISBN 1-55324-260-2Technical Editor: Mike DoddManaging Editor: Gary BurfordAdministrative Assistant: Eliz
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24、 Standards Association 2000All rights reserved. No part of this publication may be reproduced in any form whatsoeverwithout the prior permission of the publisher.(Copyright page replaced February 2003)General Instruction No. 1B211-00December 2000Title: Energy efficiency of oil-fired storage tank wat
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27、nal178 Rexdale BoulevardToronto, OntarioCanadaM9W 1R3Registered trade-mark of Canadian Standards AssociationISBN 1-55324-260-2Technical Editor: Mike DoddManaging Editor: Gary BurfordAdministrative Assistant: Elizabeth HopeDocument Processors: Hematie Hassan/Indira KumaralaganEditors: Maria Adragna/S
28、amantha Coyle/Sandra Hawryn/Ann Martin/John McConnellGraphics Coordinator: Cindy KerkmannPublishing System Coordinators: Ursula Das/Grace Da Silva/Seetha RajagopalanSGML Project Manager: Alison MacIntosh CSA International 2000All rights reserved. No part of this publication may be reproduced in any
29、form whatsoeverwithout the prior permission of the publisher. CSA International Energy Efficiency of Oil-Fired Storage Tank Water HeatersiiiDecember 2000ContentsTechnical Committee on Oil-Burning Appliance Standards vPreface vii1. Scope 12. Definitions 13. Reference Publications 24. Testing Conditio
30、ns and Set-up 34.1 General 34.2 Installation 34.3 Flue Requirements 34.4 Water Supply 44.5 Energy Supply 44.5.1 Electrical Supply 44.5.2 Fuel Oil Supply 44.6 Thermocouple Installation 44.7 Setting the Thermostat 54.8 Electrical Energy Consumption Measurement 54.9 Fuel Oil Consumption Measurement 54.
31、10 Ambient Room Conditions 64.11 Burner Settings 65. Testing and Measurements 65.1 Test Procedure 65.2 Tank Storage Capacity 75.3 Power Input Determination 75.4 Withdrawal of Water 75.5 Room Temperature Measurement 75.6 Mean Tank Water Temperature Measurement 75.7 First-Hour Rating Test 75.8 Twenty-
32、Four-Hour Simulated Use Test 96. Calculation of Results 96.1 Energy Used During a Draw Test 96.2 Mean Outlet Hot Water Temperature 106.3 Mean Supply Water Temperature 106.4 First-Hour Rating 106.5 Recovery Efficiency 106.6 Standby Losses 116.6.1 Hourly Standby Loss 116.6.2 Heat Loss Coefficient 116.
33、7 Daily Water Heating Energy Consumption 126.8 Ambient Temperature Adjustment 126.9 Water Temperature Rise Adjustment 126.10 Modified Daily Water Heating Energy Consumption 136.11 Energy Factor 14B211-00 CSA Internationaliv December 20006.12 Annual Energy Consumption 147. Published Ratings 148. Mini
34、mum Efficiency Level for Oil-Fired Water Heaters 14Tables 15Figures 18 CSA International Energy Efficiency of Oil-Fired Storage Tank Water HeatersvDecember 2000Technical Committee on Oil-BurningAppliance StandardsM.F.C. Brooker Aero Environmental Limited, ChairMississauga, OntarioJ. Godfree Jeremy G
35、odfree Product Design, Vice-ChairPugwash, Nova ScotiaR.B. Chauhan National Research Council Canada, AssociateOttawa, OntarioL. Clare SET Industries Inc., AssociateKitchener, OntarioS. Cooke Underwriters Laboratories of Canada,Scarborough, OntarioR. Greiss Natural Resources Canada, AssociateOttawa, O
36、ntarioE. Grzesik Ontario Ministry of Energy, Science and Technology,Toronto, OntarioA.C.S. Hayden Advanced Combustion TechnologiesETB/CETC,Ottawa, OntarioM. Leung City of Toronto,Toronto, OntarioI.W. Mault Manitoba Department of Labour,Winnipeg, ManitobaR. McCullough Saskatchewan Municipal Affairs,
37、Culture andHousing,Regina, SaskatchewanP.G. McKay Weil-McLain,Brampton, OntarioR. Mossavi Viessmann Manufacturing Company,Waterloo, OntarioL. Roberts International Comfort Products Corp,Brantford, OntarioB211-00 CSA Internationalvi December 2000B. Spencer Riello Canada Incorporated,Mississauga, Onta
38、rioR. Sumabat Technical Standards (b) provide an explanation of circumstances surrounding the actual field condition; and(c) be phrased where possible to permit a specific “yes” or “no” answer.Committee interpretations are processed in accordance with the CSA Directives and guidelines governingstand
39、ardization and are published in CSAs periodical Info Update. For subscription details, write to CSA SalesPromotion, Info Update, at the address given above.Blank page CSA International Energy Efficiency of Oil-Fired Storage Tank Water Heaters1December 2000B211-00Energy Efficiency of Oil-Fired Storag
40、eTank Water Heaters1. Scope1.1This Standard specifies the method for determining the energy factor for oil-fired storage tank waterheaters. 1.2This Standard establishes minimum energy efficiency levels for oil-fired storage tank water heaters.1.3This Standard applies to oil-fired storage tank water
41、heaters with an input rating of 107 000 kJ/hr or30.5 kW (0.75 USGPH) or less and a manufacturers specified storage capacity of 190 L (50 US gal) orless.1.4The tests contained in the Standard are not intended to represent actual efficiencies realized in the field.Instead, these tests provide a standa
42、rdized method of comparing relative unit performance.1.5This Standard is written in SI units. The values in parentheses are for information only. The SI valueshave been calculated from the US Customary Units found in the US Code of Federal Regulations,Department of Energy publication, Title 10, Part
43、 430, Subpart B, Appendix E.2. DefinitionsThe following definitions apply in this Standard:Calorific value (CV) the heat that would be released by completely burning the fuel to carbondioxide and water, condensing all the water to its liquid state at 25EC.Cut-in the time or temperature at which a wa
44、ter heater thermostat has acted to start the energy andfuel input to the burner to cause the heating action to commence.Cut-out the time or temperature at which a water heater thermostat has acted to stop the energyand fuel input to the burner.Design power rating the nominal power rating that a wate
45、r heater manufacturer assigns to theheat source of a particular design of water heater heating means, expressed in kilowatts (kW).Energy factor a measure of the overall efficiency of a water heater expressed as the ratio of theenergy supplied in heated water daily to the total daily energy consumpti
46、on of the water heater.B211-00 CSA International2 December 2000First-hour rating the amount of hot water that the water heater can supply in the first hour ofoperation. It is a combination of how much water is stored in the water heater and how quickly thewater heater can heat cold water to the desi
47、red temperature.Heat trap a device that can be integrally connected, or independently attached, to the hot- or cold-water pipe connections of a water heater such that the device will develop a thermal or mechanical sealto minimize the recirculation of water resulting from natural thermal convection
48、between the waterheater tank and its water supply pipes, and thereby reduce the heat loss to the environment from thehot water stored in the water heater.Oil-fired storage-type water heater a water heater that (a) uses oil as the energy source;(b) is designed to heat and store water at a thermostati
49、cally controlled temperature of less than 82EC(180EF);(c) has a nominal energy input of 110 MJ/h (105 000 Btu/h) or less; and (d) has a manufacturers rated storage capacity of 190 L (50 US gal) or less.Recovery efficiency the ratio produced by dividing the heat imparted to the water by the heatcontent of the fuel and energ
