1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMay 30, 20141UL 515AOutline of Investigation for Electrical Resistance Trace Heating andAssociated Controls for Use In Sprinkler and Standpipe SystemsIssue No. 1May 30, 2014Summary of TopicsThis
2、First Issue of the Outline of Investigation for Electrical ResistanceTrace Heating and Associated Controls for Use In Sprinkler and StandpipeSystems, UL 515A, is being issued to add a new product type.ULs Outlines of Investigation are copyrighted by UL. Neither a printed norelectronic copy of an Out
3、line of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of UL.COPYRIGHT 2014 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTH
4、ORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 30, 2014UL 515A2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Components 43 Units of Measurement .54 Undated Ref
5、erences 5PERFORMANCE5 Trace Heating 56 Trace Heating Control Units 56.1 General .56.2 Safety Performance Tests .6MARKING7 General 6INSTALLATION INSTRUCTIONS8 General 6MAY 30, 2014 UL 515A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTROD
6、UCTION1 ScopeClause 1 effective May 30, 20161.1 These requirements cover electrical resistance trace heating and associated accessories and controlsfor use in fire sprinkler and standpipe systems. This equipment is intended for installation in accordancewith the manufacturers installation instructio
7、ns and the applicable requirements of the followingstandards:a) IEEE Standard for the Testing, Design, Installation, and Maintenance of ElectricalResistance Trace Heating for Industrial Applications, IEEE 515,b) IEEE Standard for the Testing, Design, Installation, and Maintenance of ElectricalResist
8、ance Trace Heating for Commercial Applications, IEEE 515.1,c) Standard for the Installation of Sprinkler Systems, ANSI/NFPA 13,d) Standard for the Installation of Sprinkler Systems in Low-Rise Residential Occupancies,ANSI/NFPA 13R,e) Standard for the Installation of Sprinkler Systems in One- and Two
9、-Family Dwellings andManufactured Homes, ANSI/NFPA 13D,f) Standard for the Installation of Standpipe and Hose Systems, ANSI/NFPA 14, andg) National Electrical Code, ANSI/NFPA 702 ComponentsClause 2 effective May 30, 20162.1 Except as indicated in 2.2, a component of a product covered by this Outline
10、 shall comply with therequirements for that component.2.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this Outline, orb) Is superseded by a requirement in this
11、 Outline.2.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as tem
12、peratures not exceedingspecified limits, and shall be used only under those specific conditions.MAY 30, 2014UL 515A4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of MeasurementClause 3 effective May 30, 20163.1 Values stated without
13、parentheses are the requirement. Values in parentheses are explanatory orapproximate information.4 Undated ReferencesClause 4 effective May 30, 20164.1 Any undated reference to a code or standard appearing in the requirements of this Outline shall beinterpreted as referring to the latest edition of
14、that code or standard.PERFORMANCE5 Trace HeatingClause 5 effective May 30, 20165.1 Trace heating covered by this Outline shall comply with the performance requirements in IEEE515-2011 and the performance requirements in IEEE 515.1-2012 referenced as applicable to use insprinkler systems.6 Trace Heat
15、ing Control UnitsClause 6 effective May 30, 20166.1 General6.1.1 Trace heating control units shall comply with one of the following standards:a) Standard for Industrial Control Panels, UL 508Ab) Standard for Electrical Equipment for Measurement, Control, and Laboratory Use; Part 1:General Requiremen
16、ts, ANSI/UL 61010-1c) Standard for Control Units and Accessories for Fire Alarm Systems, ANSI/UL 864MAY 30, 2014 UL 515A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6.2 Safety Performance Tests6.2.1 In addition to the requirements in 6.1.
17、1, trace heating controls shall comply with the followingrequirements of ANSI/UL 864, as applicable to the construction of the control unit.a) Software, Section 54b) Variable Voltage Operation Test, Section 59c) Compatibility Tests, Section 61d) Component Temperature Test, Section 62e) Variable Ambi
18、ent Temperature and Humidity Tests, Section 65f) Transient Tests, Section 716.2.2 To assess the ability of the control units to annunciate a loss of incoming supply voltage asreferenced in IEEE 515.1, a complete loss of power shall be permitted to be used to verify thisannunciation.MARKING7 GeneralC
19、lause 7 effective May 30, 20167.1 Trace heating cables and associated controls shall be marked in accordance with the requirementsin IEEE 515.1 that are applicable to use in sprinkler systems.INSTALLATION INSTRUCTIONS8 GeneralClause 8 effective May 30, 20168.1 Trace heating cables shall be provided
20、with installation instructions that include informationreferenced in IEEE 515.1 applicable to use in sprinkler systems.8.2 In addition to the information referenced in 8.1, the installation instructions shall include the following:a) Reference to a methodology for determining heat loss that provides
21、 for heat loss rates thatare consistent with or more stringent than those described in IEEE 515 and 515.1.b) It shall specify that not less than one temperature sensor shall be provided for each heatingcircuit.c) Reference to indoor use only unless investigated for outdoor use in accordance with IEEE515.1.MAY 30, 2014UL 515A6
