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19、tee;Clauses 4.2.2, 6.3.2.1.5, and 6.4.2Table 13NationalStandard of Canada APRIL2014Outside front cover, National Standard of Canada text, title page, and preface.StandardsUpdateServiceCAN/CSA-P.2-13March 2013Title: Testing method for measuring the annual fuel utilization efficiency of residential ga
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40、ng as “CSA Group”Prepared byApproved byTesting methodfor measuringtheannual fuel utilizationefficiencyofresidentialgas-firedor oil-firedfurnacesand boilersCAN/CSA-P.2-13(approved April 2014)National Standard of CanadaCAN/CSA-P.2-13Testing method for measuringthe annual fuel utilization efficiencyofr
41、esidential gas-fired or oil-fired furnaces and boilersMarch 2013 2013 CSA Group 1ContentsTechnical Committee on Energy Efficiency and Related Performance of Fuel-Burning Appliances andEquipment 5Subcommittee on Efficiency of Residential Gas-Fired or Oil-Fired Furnaces and Boilers, and Industrial and
42、Commercial Package Furnaces 9Preface 111 Scope 132 Reference publications 143 Definitionsand symbols 143.1 Definitions 143.2 Symbols 194 Test measurement devices 234.1 General 234.2 Temperature 234.2.1 Thermometers 234.2.2 Thermocouples 234.3 Pressure 234.3.1 Gas pressure 234.3.2 Air pressure 234.3.
43、3 Steam pressure 234.3.4 Atmospheric pressure 234.3.5 Oil pressure 234.4 Draft 244.5 Combustion products 244.6 Time 244.7 Tracer gas mass flow rate 244.8 Energy flow rate 244.9 Average higher heating value 244.10 Electrical 245 Other test apparatus 245.1 General 245.2 Furnaces 245.2.1 Plenum and tes
44、t duct 245.2.2 Stack and flue 245.3 Gas and oil-fired boilers 265.3.1 Stacks and flues on boilers without vent dampers 265.3.2 Stacks and flues on boilers with vent dampers: Boilers with a barometric draft control 265.4 Integral dampers 275.5 Thermocouplegrids 275.5.1 General 275.5.2 Stack and flue
45、27CAN/CSA-P.2-13Testing method for measuringthe annual fuel utilization efficiencyofresidential gas-fired or oil-fired furnaces and boilersMarch 2013 2013 CSA Group 25.5.3 Ducts 275.6 Condensate collection 275.7 Electrical measurement 276 Test set-up 276.1 Furnaces 276.1.1 Furnaces without a power b
46、urner 286.1.2 Furnaces with a power burner 296.2 Boilers 296.2.1 Stack and flue 296.2.2 Location of thermocouples 296.3 Adjustment 306.3.1 Burners 306.3.2 Flow of circulating air, steam, or water 316.4 Test room temperature 326.5 Direct vent systems 336.5.1 Plenum,test duct, and piping 336.5.2 Insta
47、llation of vent system 336.5.3 Fuel supply 336.5.4 Location of thermocouples 337 Test procedures 337.1 Steady state test 337.1.1 General 337.1.2 Power gas or oil burners 367.1.3 Direct measurement of the S/F factor for furnaces and boilers with a barometric draftregulator 367.1.4 Direct measurement
48、of condensate for condensing furnaces and boilers during steady stateconditions 377.1.5 Jacket loss measurement 377.2 Flue gas temperature cool-down test 387.2.1 Furnaces 387.2.2 Boilers 397.3 Flue gas temperature heat-up test 407.3.1 General 407.3.2 Furnaces 407.3.3 Boilers 417.4 Direct measurement
49、 of condensate under cyclic conditions 417.5 Methods for determining draft factors for DP, DF, and DSand S/F and the off-cycle loss factor,KL427.5.1 General 427.5.2 Tests based on controls 427.5.3 Test for power burner systems 427.5.4 Defaults for no off-cycle flow through combustion chamber 437.5.5 Systems employing a stack damper 437.5.6 Systems employing an integral draft diverter and damper 437.6 General tracer gas test procedure 447.7 Tracer gas test procedure for determining the off-cycle loss factor, KL, for atmospheric systemswith an integral draft
