1、Designation: F2144 17 An American National StandardStandard Test Method forPerformance of Large Open Vat Fryers1This standard is issued under the fixed designation F2144; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of
2、last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers the energy consumption andcooking performance of large-vat open, deep fat fryers. Thefood serv
3、ice operator can use this evaluation to select a fryerand understand its energy efficiency and production capacity.1.2 This test method is applicable to floor model gas andelectric fryers with 50 lb (23 kg) and greater fat capacity andan 18-in. and larger vat size.1.3 The fryer can be evaluated with
4、 respect to the following(where applicable):1.3.1 Energy input rate (10.2),1.3.2 Preheat energy and time (10.4),1.3.3 Idle energy rate (10.5),1.3.4 Pilot energy rate (10.6, if applicable),1.3.5 French fry cooking energy rate and efficiency (10.9),1.3.6 French fry production capacity and frying mediu
5、mtemperature recovery time (10.9),1.4 This test method is not intended to answer all perfor-mance criteria in the evaluation and selection of a fryer, such asthe significance of a high energy input design on maintenanceof temperature within the cooking zone of the fryer.1.5 The values stated in inch
6、-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is th
7、eresponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standa
8、rd-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D3588 Practice for Calculating Heat Value, Comp
9、ressibilityFactor, and Relative Density of Gaseous Fuels2.2 ANSI Document:3ANSI Z83.11 American National Standard for Gas FoodService Equipment2.3 ASHRAE Document:4ASHRAE Guideline 21986 (RA90), EngineeringAnalysisof Experimental Data2.4 Other Standards:AOAC 983.23 Fat in Foods: Chloroform-Methanol
10、Extrac-tion Method53. Terminology3.1 Definitions:3.1.1 large vat fryer, n(hereafter referred to as fryer) anappliance designed for cooking large quantities of fish orchicken, in which oils are placed in the cooking vessel to sucha depth that the cooking food is essentially supported bydisplacement o
11、f the cooking fluid rather than by the bottom ofthe vessel. Often referred to as chicken or fish fryers.3.1.2 test method, ndefinitive procedure for theidentification, measurement, and evaluation of one or morequalities, characteristics, or properties of a material, product,system, or service that p
12、roduces a test result.3.2 Definitions of Terms Specific to This Standard:3.2.1 cold zone, nvolume in the fryer below the heatingelements or heat exchanger surface designed to remain coolerthan the cook zone.3.2.2 cook zone, nvolume of oil in which food is cooked.1This test method is under the jurisd
13、iction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.06 onProductivity and Energy Protocol.Current edition approved Nov. 1, 2017. Published January 2018. Originallyapproved in 2001. Last previous edition approved in 2016 as F2144 09 (2016).DOI: 1
14、0.1520/F2144-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandardsvolume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards In
15、stitute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.4Available from American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. (ASHRAE), 1791 Tullie Circle, NE, Atlanta, GA30329.5Available from AOAC International, 481 North Frederick Ave., Suite 500,Gaithersburg, Maryl
16、and 20877-2417, http:/www.aoac.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Pri
17、nciples for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.13.2.3 cooking energy, ntotal energy consumed by the fryeras it is used to cook breaded chicken product under heavy- andlight-load cond
18、itions.3.2.4 cooking-energy effciency, nquantity of energy im-parted to the chicken during the cooking process expressed asa percentage of the quantity of energy consumed by the fryerduring the heavy- and light-load tests.3.2.5 cooking energy rate, naverage rate of energy con-sumed by the fryer whil
19、e “cooking” a heavy or light load ofchicken.3.2.6 energy input rate, npeak rate at which a fryerconsumes energy (Btu/h (kJ/h) or kW), typically reflectedduring preheat.3.2.7 idle energy rate, naverage rate of energy consumed(Btu/h (kJ/h) or kW) by the fryer while “holding” or “idling”the frying medi
20、um at the thermostat(s) set point.3.2.8 pilot energy rate, naverage rate of energy consump-tion (Btu/h (kJ/h) by a fryers continuous pilot (if applicable).3.2.9 preheat energy, namount of energy consumed (Btu(kJ) or kWh) by the fryer while preheating the frying mediumfrom ambient room temperature to
21、 the calibrated thermostat(s)set point.3.2.10 preheat rate, naverage rate (F/min (C/min) atwhich the frying medium temperature is heated from ambienttemperature to the fryers calibrated thermostat(s) set point.3.2.11 preheat time, ntime required for the frying mediumto preheat from ambient room temp
22、erature to the calibratedthermostat(s) set point.3.2.12 production capacity, nmaximum rate (lb/h (kg/h)at which a fryer can bring the specified food product to aspecified “cooked” condition.3.2.13 production rate, naverage rate (lb/h (kg/h) atwhich a fryer brings the specified food product to a spec
23、ified“cooked” condition. Production rate does not necessarily referto maximum rate (production capacity), but varies with theamount of food being cooked.3.2.14 uncertainty, nmeasure of systematic and precisionerrors in specified instrumentation or measure of repeatabilityof a reported test result.4.
24、 Summary of Test MethodNOTE 1All of the fryer tests shall be conducted with the fryer installedunder a wall-mounted canopy exhaust ventilation hood that shall operateat an air flow rate based on 300 cfm per linear foot (460 L/s per linearmetre) of hood length. Additionally, an energy supply meeting
25、themanufacturers specifications shall be provided for the gas or electric fryerunder test.4.1 The fryer under test is connected to the appropriate,metered energy source. The measured energy input rate isdetermined and checked against the rated input before continu-ing with testing.4.2 The frying med
26、ium temperature in the cook zone ismonitored at a location chosen to represent the averagetemperature of the frying medium while the fryer is “idled” at350F (177C). Fryer temperature calibration to 350F (177C)is achieved at the location representing the average temperatureof the frying medium.4.3 Th
27、e preheat energy and time and idle energy rate aredetermined while the fryer is operating with the thermostat(s)set at a calibrated 350F (177C). The rate of pilot energyconsumption also is determined, when applicable, to the fryerunder test.4.4 Energy consumption and time are monitored while thefrye
28、r is used to cook six loads of frozen, -in. (6-mm)shoestring potatoes to a condition of 30 6 1 % weight loss withthe thermostat set at a calibrated 350F (177C). Cooking-energy efficiency is determined for heavy-load test conditions.French fry production capacity is based on the heavy-load test.5. Si
29、gnificance and Use5.1 The energy input rate test is used to confirm that thefryer under test is operating in accordance with its nameplaterating.5.2 Fryer temperature calibration is used to ensure that thefryer being tested is operating at the specified temperature.Temperature calibration also can b
30、e used to evaluate andcalibrate the thermostat control dial.5.3 Preheat energy and time can be used by food serviceoperators to manage their restaurants energy demands, and toestimate the amount of time required for preheating a fryer.5.4 Idle energy rate and pilot energy rate can be used toestimate
31、 energy consumption during non-cooking periods.5.5 Preheat energy, idle energy rate, pilot energy rate, andheavy- and light-load cooking energy rates can be used toestimate the fryers energy consumption in an actual foodservice operation.5.6 Cooking-energy efficiency is a direct measurement offryer
32、efficiency at different loading scenarios. This informationcan be used by food service operators in the selection of fryers,as well as for the management of a restaurants energydemands.5.7 Production capacity is used by food service operators tochoose a fryer that matches their food output requireme
33、nts.6. Apparatus6.1 Analytical Balance Scale, for measuring weights up to50 lb (23 kg), with a resolution of 0.01 lb (0.004 kg) and anuncertainty of 0.01 lb (0.004 kg).6.2 Barometer, for measuring absolute atmosphericpressure, to be used for adjustment of measured gas volume tostandard conditions. S
34、hall have a resolution of 0.2 in. Hg (670Pa) and an uncertainty of 0.2 in. Hg (670 Pa).6.3 Canopy Exhaust Hood, 4 ft in depth; wall-mounted withthe lower edge of the hood 6 ft, 6 in. from the floor; and withthe capacity to operate at a nominal exhaust ventilation rate of300 cfm per linear foot (460
35、L/s per linear metre) of activehood length. This hood shall extend a minimum of 6 in. (152mm) past both sides and the front of the cooking appliance andF2144 172shall not incorporate side curtains or partitions. Makeup airshall be delivered through the face registers and/or from thespace.6.4 Convect
36、ion Drying Oven, with temperature controlled at215 to 220F (100 6 3C), used to determine moisture contentof both the raw and cooked food product.6.5 Data Acquisition System, for measuring energy andtemperatures, capable of multiple temperature displays updat-ing at least every 2 s.6.6 Fry Baskets, c
37、hrome-plated steel construction, suppliedby the manufacturer of the fryer under test. At least fourbaskets are required to test each fryer according to thisprotocol.6.7 Gas Meter, for measuring the gas consumption of afryer, shall be a positive displacement type with a resolution ofat least 0.01 ft3
38、(0.0003 m3) and a maximum uncertainty nogreater than 1 % of the measured value for any demand greaterthan 2.2 ft3/h (0.06 m3/h). If the meter is used for measuring thegas consumed by the pilot lights, it shall have a resolution of atleast 0.01 ft3(0.0003 m3) and a maximum uncertainty nogreater than
39、2 % of the measured value.6.8 Pressure Gauge, for monitoring gas pressure. Shall havea range of 0 to 15 in. H2O (0 to 3.7 kPa), a resolution of 0.5 in.H2O (125 Pa), and a maximum uncertainty of 1 % of themeasured value.6.9 Stop Watch, with a 1-s resolution.6.10 Temperature Sensor, for measuring natu
40、ral gas tem-perature in the range of 50 to 100F (10 to 38C) with anuncertainty of 61F (60.56C).6.11 Thermocouple(s), Polytetrafluoroethylene-insulated,24 gauge, type T or type K thermocouples capable of immer-sion with a range of 50 to 400F (10 to 204C) and anuncertainty of 61F (60.56C).6.12 Thermoc
41、ouple Probe(s), “fast response” type T or typeK thermocouple probe,116 in. or smaller diameter, with a 3-sresponse time, capable of immersion with a range of 30 to250F (1 to 121C) and an uncertainty of 61F (60.56C).6.13 Watt-Hour Meter, for measuring the electrical energyconsumption of a fryer, shal
42、l have a resolution of at least 10Wh and a maximum uncertainty no greater than 1.5 % of themeasured value for any demand greater than 100 W. For anydemand less than 100 W, the meter shall have a resolution of atleast 10 Wh and a maximum uncertainty no greater than 10 %.7. Reagents and Materials7.1 F
43、rench Fries (Shoestring Potatoes)Order a sufficientquantity of French fries to conduct both the French frycook-time determination test and the heavy- and light-loadcooking tests.All cooking tests are to be conducted using14-in.(6-mm) par-cooked, frozen, shoestring potatoes. Fat and mois-ture content
44、 of the French fries shall be 6 6 1 % by weight and68 6 2 % by weight, respectively.7.2 Frying MediumShall be partially hydrogenated,100 % pure vegetable oil. New frying medium shall be used foreach fryer tested in accordance with this test method. The newfrying medium that has been added to the fry
45、er for the first timeshall be heated to 350F (177C) at least once before any testis conducted.NOTE 2Generic partially hydrogenated all vegetable oil (soybean oil)has been shown to be an acceptable product for testing by PG energy; open deep fat fryer; performance;production capacity; test method; th
46、roughput6Development and Application of a Uniform Testing Procedure for Fryers,Pacific Gas and Electric Company, November 1990.F2144 179ANNEXES(Mandatory Information)A1. PROCEDURE FOR DETERMINING THE UNCERTAINTY IN REPORTED TEST RESULTSNOTE A1.1This procedure is based on the ASHRAE method fordetermi
47、ning the confidence interval for the average of several test results(ASHRAE Guideline 2-1986(RA90). It should only be applied to testresults that have been obtained within the tolerances prescribed in thismethod (for example, thermocouples calibrated, appliance operatingwithin 5 % of rated input dur
48、ing the test run).A1.1 For the cooking-energy efficiency and productioncapacity results, the uncertainty in the averages of at least threetest runs is reported. For each loading scenario, the uncertaintyof the cooking-energy efficiency and production capacity mustbe no greater than 610 % before any
49、of the parameters for thatloading scenario can be reported.A1.2 The uncertainty in a reported result is a measure of itsprecision. If, for example, the production capacity for theappliance is 30 lb/h, the uncertainty must not be greater than63 lb/h. Thus, the true production capacity is between 27 and33 lb/h. This interval is determined at the 95 % confidencelevel, which means that there is onlya1in20chance that thetrue production capacity could be outside of this interval.A1.3 Calculating the uncertainty not only gu
