1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 680 Emergency Vault Ventilators and Vault-Ventilating PortsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL N
2、OT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Emergency Vault Ventilators and Vault-Ventilating Ports, UL 680 Eighth Edition, Dated November 26, 2002 Summary of Topics This revision of ANSI/UL 680 is being issued to reect the reaffirmati
3、on of the ANSI approval of the Standard. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. The revisions are substantially in accordance with Proposal(s) on this subject dated November 22, 2013. All rights reserved.
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8、urchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have be
9、en revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. JANUARY 31, 2014 UL 680 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 31, 2014 UL 680 tr2 No
10、Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NOVEMBER 26, 2002 (Title Page Reprinted: January 31, 2014) 1 UL 680 Standard for Emergency Vault Ventilators and Vault-Ventilating Ports First Edition June, 1959 Second Edition
11、 September, 1970 Third Edition August, 1972 Fourth Edition September, 1977 Fifth Edition October, 1985 Sixth Edition September, 1991 Seventh Edition April, 1996 Eighth Edition November 26, 2002 This ANSI/UL Standard for Safety consists of the Eighth Edition including revisions through January 31, 20
12、14. The most recent designation of ANSI/UL 680 as a Reaffirmed American National Standard (ANS) occurred on January 31, 2014. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of
13、 the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in
14、any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2014 UNDERWRITERS LABORATORIES INC. ANSI/UL 680-2004 (R2014)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION
15、 WITHOUT PERMISSION FROM UL SEPTEMBER 24, 2004 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .7 2 General 8 2.1 Components
16、 .8 2.2 Units of measurement .8 2.3 Undated references .8 3 Instructions .8 CONSTRUCTION 4 General 9 5 Electric Shock 9 6 Frames and Enclosures 9 7 Mounting of Parts 13 8 Protection Against Corrosion 13 9 Insulating Materials 14 10 Mechanical Assembly .15 11 Current-Carrying Parts 15 12 Motors .16 1
17、3 Installation Wiring Methods 16 13.1 General .16 13.2 Terminal compartments .17 13.3 Terminals .17 13.4 Leads .18 13.5 Polarity identication 18 14 Termination of Raceways 18 15 Strain Relief 19 16 Bushings 19 17 Internal Wiring 19 17.1 General .19 17.2 Separation of circuits .20 18 Grounding .20 19
18、 Electrical Components .21 19.1 Capacitors .21 19.2 Lampholders .21 19.3 Switches 21 20 Transformers, Coils, and Relays 22 21 Overcurrent Protection 22 22 Spacings 23 22.1 General .23 22.2 High-voltage spacings 24 SEPTEMBER 24, 2004 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 3U
19、L COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 23 Resistance to Entry Test .25 24 Starting Current Test 26 25 Input Test 26 26 Temperature Test .26 27 Voltage Variation Test .31 28 Temperature Variation Test 31 29 Humidity Test 3
20、1 30 Electric Shock Current Test 31 31 Endurance Test 34 32 Dielectric Voltage-Withstand Test .35 32.1 General .35 32.2 Motors 36 33 Solenoid Burnout Test .36 34 Capacitor Overvoltage Test 36 35 Locked-Rotor Test 36 35.1 General .36 35.2 Thermal protectors .37 36 Thermal Protector Test 37 MANUFACTUR
21、ING AND PRODUCTION TESTS 37 Production-Line Dielectric Voltage-Withstand .38 38 Rating .39 39 Marking 39 APPENDIX A Standards for ComponentsA1 NOVEMBER 26, 2002 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRI
22、BUTION WITHOUT PERMISSION FROM UL NOVEMBER 26, 2002 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 5 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 31, 2014 EMERGENCY VAULT VENTILATORS AND VAULT
23、-VENTILATING PORTS - UL 680 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover emergency vault ventilators and vault-ventilating ports for installation in a wall. 1.2 Emergency vault ventilator
24、s are intended to provide fresh air to persons locked in the vault by accident or during a robbery. 1.3 Vault-ventilating ports are intended for connection to an outside ventilating system that provides circulating air while the vault is open. 1.4 These requirements are intended to evaluate the inte
25、grity of electrical wiring and components and to establish burglary resistant ratings. The ratings, based on the net working time to effect entry, are as follows: a) Class M 1/4 hour; b) Class 1 1/2 hour; c) Class21hour; and d) Class32hours. 1.5 When installed in either a vault door or modular panel
26、 that complies with the requirements in the Standard for Burglary Resistant Vault Doors and Modular Panels, UL 608; or a reinforced concrete wall according to the manufacturers instructions and the Standard Classication for Bank and Mercantile Vault Construction, ASTM F 1090, the products covered by
27、 these requirements do not affect the burglary resistance of the vault wall. 1.6 These requirements do not cover protection against entry by attacks with a burning bar (thermal lance) or explosives. 1.7 These units are intended to be installed in accordance with the provision of the National Electri
28、cal Code, NFPA 70. However, it is intended that inspection authorities having jurisdiction be consulted before installation of electrical connections. 1.8 Products covered by these requirements are intended for installation in vaults that are used for the storage of valuables, and that are protected
29、 by special security measures that cannot be forced using normal rescue equipment, and require waiting for a time-lock or similar device to release entrapped individuals. NOVEMBER 26, 2002 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FU
30、RTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2 General 2.1 Components 2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components used in the p
31、roducts covered by this standard. 2.1.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.1.3
32、 A component shall be used in accordance with its rating established for the intended conditions of use. 2.1.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temp
33、eratures not exceeding specied limits, and shall be used only under those specic conditions. 2.2 Units of measurement 2.2.1 When a value for measurement is followed by a value in other units in parentheses, the rst stated value is the requirement. 2.3 Undated references 2.3.1 Any undated reference t
34、o a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 3 Instructions 3.1 A copy or draft of the operating and installation instructions intended to accompany each product as produced is to be used as a re
35、ference in the examination and test of the product. 3.2 The instructions shall include such directions and information as deemed by the manufacturer of the product to be required for proper and safe installation, maintenance, operation, and use of the product. 3.3 The instructions shall specify that
36、 conduit used for electrical connections shall not form a direct path through the wall, and shall be offset at least once and preferably twice. NOVEMBER 26, 2002 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTR
37、IBUTION WITHOUT PERMISSION FROM UL CONSTRUCTION 4 General 4.1 A unit shall be constructed so that it is not capable of readily being rendered mechanically inoperative from outside the vault. 4.2 A vault-ventilating port shall be provided with a visual indicator that will indicate when the port is in
38、 the closed position. An emergency vault ventilator shall incorporate a visual indication that indicates the location of the unit to a person inside the vault. 4.3 Direct communication shall be provided through an emergency vault ventilator for voice communication and passage of small tools, food, a
39、nd similar items, from outside the vault. 4.4 An emergency vault ventilator shall be capable of delivering not less than 10 cubic feet per minute (4.7 dm 3 /s) of air into the vault and expelling an equal amount of air simultaneously. 4.5 An emergency vault ventilator shall provide a minimum opening
40、 of 2 square inches (12.9 cm 2 ) for natural ventilation, should the electric power fail. 5 Electric Shock 5.1 Any part that is exposed only during operator servicing shall not present the risk of electric shock. See Electric Shock Current Test, Section 30. 6 Frames and Enclosures 6.1 A unit shall b
41、e provided with one or more enclosures to afford protection against accidental contact with uninsulated live parts and reduction of spacings, loosening, or displacement of electrical parts. 6.2 Operating parts, such as gear mechanisms, light-duty relays, and similar devices, shall be protected again
42、st fouling by dust or other material which affects their intended operation. 6.3 The thickness of cast metal for an enclosure shall be as indicated in Table 6.1. NOVEMBER 26, 2002 EMERGENCY VAULT VENTILATORS AND VAULT-VENTILATING PORTS - UL 680 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REP
43、RODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 6.1 Cast-metal enclosures Use, or dimensions of area involved a Minimum thickness Die-cast metal, Cast metal of other than the die-cast type, inch (mm) inch (mm) Area of 24 square inches (155 cm 2 ) or less and having no dimension greater th
44、an 6 inches (152 mm) 1/16 1.6 1/8 3.2 Area greater than 24 square inches (155 cm 2 ) or having any dimension greater than 6 inches (152 mm) 3/32 2.4 1/8 3.2 At a threaded conduit hole 1/4 6.4 1/4 6.4 At an unthreaded conduit hole 1/8 3.2 1/8 3.2 a The area limitation for metal 1/16 inch (1.6 mm) in
45、thickness shall be obtained by the provision of reinforcing ribs subdividing a larger area. 6.4 The thickness of sheet metal for an enclosure shall not be less than indicated in Tables 6.2 and 6.3. At any point where conduit or metal-clad cable is to be attached, sheet metal shall be of such thickne
46、ss or shall be formed or reinforced so that it has the stiffness at least equivalent to that of an uncoated at sheet of steel having a minimum thickness of 0.053 inch (1.35 mm). 6.5 Ventilating openings in an enclosure, including perforated holes, louvers, and openings protected by means of wire scr
47、eening, expanded metal, or perforated covers, shall be of such size or shape that no opening permits passage of a rod having a diameter of 33/64 inch (13.1 mm). Exception: When the distance between uninsulated live parts and the enclosure is greater than 4 inches (102 mm), larger openings are permit
48、ted provided that no opening permits passage of a rod having a diameter of 49/64 inch (19.4 mm). 6.6 An enclosure housing fuses or any other overload protective device and provided with ventilating openings shall provide protection against the emission of ame or molten metal. 6.7 Perforated sheet me
49、tal and sheet metal used for expanded-metal mesh shall be at least: a) 0.042 inch (1.07 mm) thick, 0.046 inch (1.17 mm) for zinc-coated when the mesh openings or perforations are 1/2 square inch (323 mm 2 ) or less in area and b) 0.080 inch (2.03 mm) thick, 0.084 inch (2.13 mm) for zinc-coated for larger openings. Exception: If the indentation of a guard or enclosure will not alter the clearance between uninsulated live parts and grounded metal so as to impair intended operation of the product or
