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本文(UL SUBJECT 710C-2006 OUTLINE OF INVESTIGATION FOR ULTRAVIOLET RADIATION SYSTEMS FOR USE IN THE VENTILATION CONTROL OF COMMERCIAL COOKING OPERATIONS (Issue 3)《商用烹饪作业的通风控制用紫外线辐射系统调查大.pdf)为本站会员(bonesoil321)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

UL SUBJECT 710C-2006 OUTLINE OF INVESTIGATION FOR ULTRAVIOLET RADIATION SYSTEMS FOR USE IN THE VENTILATION CONTROL OF COMMERCIAL COOKING OPERATIONS (Issue 3)《商用烹饪作业的通风控制用紫外线辐射系统调查大.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSeptember 22, 20061SUBJECT 710COUTLINE OF INVESTIGATIONFORULTRAVIOLET RADIATION SYSTEMS FOR USE IN THE VENTILATIONCONTROL OF COMMERCIAL COOKING OPERATIONSIssue Number: 3September 22, 2006Summary

2、of TopicsThis Third Issue of the Outline of Investigation for Ultraviolet RadiationSystems for Use in the Ventilation Control of Commercial CookingOperations, Subject 710C, is issued to make the following importantupdates in requirements: a) Title (the Second Issue was titled Outline ofInvestigation

3、 for Ultraviolet Lamps Used for Reduction of Grease LadenVapors from Cooking Equipment) and Scope changed to better align withNFPA 96; b) Glossary is expanded for clarity; c) 7.2 allows other materialthan metal and to evaluate the suitability of the barrier by test; d) 7.3allows filters and other UV

4、 attenuation barriers to be evaluated by test; e)7.4 requires UV attenuation barriers also serving as filters to comply withUL 1046 or UL 710 as appropriate for the filter; f) 7.5 requires thatattenuation barriers with adjustable features to be adjusted to the worstcase position for test; g) 7.12 al

5、lows for cleaning of the interlock, h) 7.13requires a pressure interlock to de-energize the UV lamp when the portsare plugged; i) 7.19 requires a ballast to comply with UL 935 or UL 1029; j)7.21 and 17.8 require UV lamps to be marked; k) 7.22 requires the hoodexhaust to be marked for lamp replacemen

6、t; l) 8.1 added requirements forUV protection for electrical insulation; m) 9.1 changes the requirementsfor Water Wash Hoods to test with water wash nozzles; n) 10.1 addsrequirements for protection of electrical components from condensation;o) 11.1 and 11.2 adds requirement for gaskets and seals to

7、comply withUL 710 test; p) in Section 14, replace former UL 1598 water spray test withactual water wash hood nozzle tests; q) Section 16, clarifies a one-minuteactivation allowance for interlock systems; r) 17.1 adds adhesive labelrequirement to comply with UL 969; s) 17.2 adds that printed labelssh

8、ould not be exposed to the UV source; t) 17.5 revised to allowan equivalent statement; u) 17.6 adds required marking for filterattenuation barriers; v) 17.7 adds required markings for multi-piece filterattenuation barriers; w) 17.9 requires the hood to be marked for UV lampreplacement; x) 18.4 adds

9、lamp replacement information to theinstructions; y) 18.5 gasket replacement information added to theinstructions; and z) 18.6 requires information on the water wash systemmaintenance and nozzles.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL

10、The UL Foreword is no longer located within the UL Standard. For informationconcerning the use and application of the requirements contained in thisStandard, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2006 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL N

11、OT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 General 43 Components 44 Undated References 55 Units of Measurement .56 Glossary .5CONSTRUCTION7 Assembly 78 Electrical Insulation 99 Water Wash Hoods 1010 Moisture Condensation 1011 Mater

12、ials .10PERFORMANCE12 Ultraviolet (UV) Irradiance Test .1013 Temperature Tests 1114 Water Wash Spray Test .1114.1 General .1115 Endurance Test for Interlock Devices .1216 Test for Pressure Interlock Devices .12MARKINGS17 General 13INSTRUCTIONS18 Installation Instructions 14APPENDIX AStandards for Co

13、mponents .A1SEPTEMBER 22, 2006 SUBJECT 710C 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover ultraviolet (UV) radiation lamp systems used for the reduction of greaseladen vapors from commercial c

14、ooking equipment when installed within Listed Exhaust Hoods forCommercial Cooking Equipment.1.1 effective March 22, 20091.2 These requirements are not intended to address the effectiveness of the UV radiation to reducegrease-laden vapors from cooking operations.1.2 effective March 22, 20091.3 This O

15、utline applies to UV lamp assemblies for use in locations that are intended for installation onbranch circuits of 600 V nominal or less between conductors in accordance with the National ElectricalCode (NEC), ANSI/NFPA 70.1.3 effective March 22, 20092 General2.1 Exhaust hoods provided with UV lamp a

16、ssemblies shall comply with all requirements of the Standardfor Exhaust Hoods for Commercial Cooking Equipment, UL 710, unless otherwise specified in this Outline.2.1 effective March 22, 20093 Components3.1 Except as indicated in 3.2, a component of a product covered by this Outline shall comply wit

17、h therequirements for that component. See Appendix A for a list of standards covering components generallyused in the products covered by this Outline.3.1 effective March 22, 20093.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristics not n

18、eeded in the application of the component in theproduct covered by this Outline; orb) Is superseded by a requirement in this Outline.3.2 effective March 22, 20093.3 A component shall be used in accordance with its rating for the intended conditions of use.3.3 effective March 22, 20093.4 Specific com

19、ponents are accepted as being incomplete in construction features, or restricted inperformance capabilities. Such components are intended for use only under limited conditions, such astemperatures not exceeding specified limits, and shall be used only under those specific conditions forwhich they ha

20、ve been investigated.3.4 effective March 22, 2009SEPTEMBER 22, 2006SUBJECT 710C4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this Outline s

21、hall beinterpreted as referring to the latest edition of that code or standard.4.1 effective March 22, 20095 Units of Measurement5.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.5.1 effective March 22, 20095.2 Unless indicated

22、 otherwise, all voltage and current values mentioned in this Outline areroot-mean-square (rms).5.2 effective March 22, 20096 Glossary6.1 For the purpose of this Outline, the following definitions apply.6.1 effective March 22, 20096.2 BALLAST A current limiting device required to start and operate fl

23、uorescent and cold cathodelamps.6.2 effective March 22, 20096.3 BALLAST, REMOTE A ballast that is not mounted in the UV luminaire assembly.6.3 effective March 22, 20096.4 ENCLOSURE That part of the product that:a) Renders inaccessible all or any parts of the equipment that may otherwise present a ri

24、sk ofelectric shock and/orb) Retards propagation of flame initiated by electrical disturbances occurring within.6.4 effective March 22, 20096.5 FIXTURE Referenced as a luminaire in this Outline.6.5 effective March 22, 20096.6 GASKET A resilient elastomeric material used between two rigid surfaces.6.

25、6 effective March 22, 20096.7 LAMP A device, intended to be inserted into a lampholder, that produces UV radiation.6.7 effective March 22, 20096.8 LAMPHOLDER a wiring device intended for making connection to the electrical circuits of a lampand, in some cases, providing support.6.8 effective March 2

26、2, 2009SEPTEMBER 22, 2006 SUBJECT 710C 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6.9 LAMP-SUPPORTED LAMPHOLDER A lampholder supported by the lamp that in turn issupported by the enclosure, hood or duct.6.9 effective March 22, 20096.10 L

27、IVE PART A conductive part without basic insulation, where a risk of electric shock exists. Theneutral conductor is considered to be a live part.6.10 effective March 22, 20096.11 LUMINAIRE A complete lighting unit designed to accommodate a lamp and to connect the lampto a power source.6.11 effective

28、 March 22, 20096.12 REMOVABLE Capable of being removed with or without tools.6.12 effective March 22, 20096.13 RISK OF ELECTRIC SHOCK A risk of electric shock exists between any two uninsulatedconductive parts of a luminaire or between an uninsulated conductive luminaire part and earth ground, ifthe

29、 continuous current flow through a 1500-ohm resistor in parallel with a 0.015 F capacitor connectedbetween the two points exceeds 5 mA rms (7 mA peak) and if the open circuit voltage exceeds 30 Vrms or 42.4 V peak for dry, damp, and wet locations.6.13 effective March 22, 20096.14 RISK OF FIRE A risk

30、 of fire exists between two conductive parts if Voltage, Current , or VAexceeds Class 2 maximum circuit limitations as defined in Section 725 of the NEC.6.14 effective March 22, 20096.15 ULTRAVIOLET (UV) LAMP Equipment that directly generates ultraviolet radiation for thepurpose of breaking down gre

31、ase and odors.6.15 effective March 22, 20096.16 USER MAINTENANCE Servicing operations, such as relamping and cleaning, expected to becarried out by untrained persons.6.16 effective March 22, 20096.17 UV ATTENUATION BARRIER Any part or component that must be present for the hood tocomply with the Ult

32、raviolet Irradiance Test, Section 12.6.17 effective March 22, 20096.18 UVAWavelengths ranging from (315nm 400nm).6.18 effective March 22, 20096.19 UVBWavelengths ranging from (280nm 315nm).6.19 effective March 22, 20096.20 UVCWavelengths ranging from (200nm 280nm).6.20 effective March 22, 20096.21 W

33、IRING DIAGRAM A line drawing, graphic, and/or written instructions to identify conductors andmake connections to the hood.6.21 effective March 22, 2009SEPTEMBER 22, 2006SUBJECT 710C6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONSTRUCTION7

34、 Assembly7.1 Exhaust hoods provided with an ultraviolet (UV) radiation source shall be provided with an UVattenuation barrier in accordance with 7.2 7.5.7.1 effective March 22, 20097.2 A UV attenuation barrier shall be constructed of metal or other materials found to be UVA, UVBand/or UVC resistant

35、(as appropriate for the radiation source) and comply with the performance tests ofthe Standard for Exhaust Hoods for Commercial Cooking Equipment, UL 710. There shall be no visibledegradation to the material when subjected to the Abnormal Flare-up or Fan Failure tests as specified inUL 710.7.2 effec

36、tive March 22, 20097.3 An attenuation barrier comprised of a removable filter, pre-filter or secondary filter or any combinationshall be provided with an interlock that de-energizes the UV lamp power source when any portion of thefilter assembly is removed or omitted. The filter assembly shall be ma

37、rked as shown in 17.5.7.3 effective March 22, 20097.4 A filter assembly also serving as an attenuation barrier shall comply with UL 1046 for filter assembliesor all the fire performance tests of UL 710 if of the priority integral slot baffle type.7.4 effective March 22, 20097.5 An attenuation barrie

38、r that has any adjustable components shall be adjusted to allow the maximumUV radiation to be emitted past the barrier7.5 effective March 22, 20097.6 A removable UV attenuation barrier shall be provided with an interlock device in accordance with 7.7.7.6 effective March 22, 20097.7 Access panels and

39、 components, removable or operable for normal operation, cleaning and servicingin exhaust hoods provided with UV lamps shall be provided with an interlock device in accordance with7.8 when the following applies:a) The removal, displacement or operation of such panel or component shall comply with th

40、eUltraviolet (UV) Irradiance Test, Section 12 in any position of adjustment.7.7 effective March 22, 20097.8 An interlock device shall de-energize the UV lamp power source whenever the UV attenuator, accesspanel, or component is removed or displaced. Compliance is determined by:a) The power being rem

41、oved from the UV source before the lamps become visible or if areferee method is needed by;b) The Ultraviolet (UV) Irradiance Test, Section 12 in any position of adjustment.7.8 effective March 22, 2009SEPTEMBER 22, 2006 SUBJECT 710C 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR

42、DISTRIBUTION WITHOUT PERMISSION FROM UL7.9 The actuator of an interlock device shall be located so that unintentional operation does not occur.See 7.11 7.13.7.9 effective March 22, 20097.10 The interlock device shall be located or guarded so that it cannot be defeated or bypassed bymoving a 2-inch d

43、iameter sphere at any angle to the device actuator.7.10 effective March 22, 20097.11 Operation of an interlock in normal use shall not inconvenience the operator so as to encouragedeliberate defeat of an interlock.7.11 effective March 22, 20097.12 The actuator of an interlock shall be positioned so

44、that it is unlikely that food or cooking materialswill accumulate and defeat the actuator or interlock in normal use. Consideration shall be given toaccessibility for manual cleaning or self-cleaning of the actuator.7.12 effective March 22, 20097.13 A pressure actuated interlock device shall de-ener

45、gize the UV lamp power source whenever thepressure port or ports are plugged. A pressure interlock system shall comply with Section 16, Test forPressure Interlock Devices.7.13 effective March 22, 20097.14 An interlock system shall comply with Section 15, Endurance Test for Interlock Devices.Exceptio

46、n: This requirement does not apply to an interlock system in which all components, including theactuation means, have been evaluated for 100,000 cycles.7.14 effective March 22, 20097.15 An electronic interlock circuit shall comply with the requirements of the Standard for Tests forSafety-Related Con

47、trols Employing Solid-State Devices, UL 991. In addition a software-based interlockcircuit shall comply with the requirements of the Standard for Software in Programmable Components, UL1998.7.15 effective March 22, 20097.16 UV lamp electrical enclosures shall comply with the Electrical Enclosure sec

48、tion of the Standard forExhaust Hoods for Commercial Cooking Equipment, UL 710.7.16 effective March 22, 20097.17 A lamp-supported lampholder assembly shall be provided with stranded conductors.7.17 effective March 22, 20097.18 Live parts of a lamp-supported assembly shall comply with the requirement

49、s in the section onSeparation of Circuits, Electrical Spacings High-Voltage Circuits, and the section on Electrical Spacings Low-Voltage Circuits of the Standard for Exhaust Hoods for Commercial Cooking Equipment, UL 710,with the lamp located in any assembled position.7.18 effective March 22, 2009SEPTEMBER 22, 2006SUBJECT 710C8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7.19 A fluorescent ballast shall comply with the

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