1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 705 Power VentilatorsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION
2、 OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Power Ventilators, UL 705 Sixth Edition, Dated January 14, 2004 Summary of Topics The revisions dated December 17, 2013 were issued to incorporate the Addition of Operating, Protective and Auxiliary, and Controls Requirements fro
3、m the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1, in paragraphs 15.1.2 15.1.7 and Section 30A. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin
4、. Changes in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. The new and revised requirements are substantially in accordance with Proposal(s) on t
5、his subject dated August 30, 2013. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is w
6、ithout warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, lo
7、ss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless
8、of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced whi
9、le purchaser is storing an electronic Standard on the purchasers 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 affe
10、cted item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. DECEMBER 17, 2013 UL 705 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WI
11、THOUT PERMISSION FROM UL DECEMBER 17, 2013 UL 705 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 14, 2004 (Title Page Reprinted: December 17, 2013) 1 UL 705 Standard for Power Ventilators First Edition Decemb
12、er, 1966 Second Edition July, 1972 Third Edition November, 1977 Fourth Edition December, 1984 Fifth Edition June, 1994 Sixth Edition January 14, 2004 The First through Third editions were titled Power Roof Ventilators. This ANSI/UL Standard for Safety consists of the Sixth Edition including revision
13、s through December 17, 2013. The most recent designation of ANSI/UL 705 as an American National Standard (ANSI) occurred on December 17, 2013 ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. The Department of Defense (DoD) ha
14、s adopted UL 705 on February 5, 1993. The publication of revised pages or a new edition of this Standard will not invalidate the DoD adoption. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in U
15、Ls 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 any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall re
16、main the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 705-2013UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 17, 2013 POWER VENTILATORS - UL 705 2 No Text on This PageUL COPYRIGHTED MATER
17、IAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .7 2 Glossary .8 3 Components 8A 4 Units of Measurement 8A 5 Undated References .8A CONSTRUCTION 5A Components .8A 5A.1 General .8A 5A.2 Connectors and terminals .8C 5A.3 Electrical e
18、nclosures and raceways 8C 5A.4 Overcurrent protection 8D 5A.5 Power supplies 8D 5A.6 Supplemental insulation, insulated bushings, and assembly aids .8E 6 Frame and Enclosure 9 6.1 General .9 6.2 Non-metallic enclosures 14 6.3 Non-metallic parts other than enclosures .14 6.4 Flame spread and smoke de
19、veloped requirements for non-metallic enclosures and other parts of permanently connected equipment .15 6.5 Accessibility of moving parts 16 7 Mechanical Assembly .16D 8 Protection Against Corrosion .16F 9 Power-Supply Connections 20 10 Current-Carrying Parts 23 11 Internal Wiring 23 12 Insulating M
20、aterial 25 13 Motors .26 13.1 General .26 13.2 Enclosure .26 13.3 Protection .26 14 Grounding 26C 15 Switches and Controllers .26C 16 Capacitors .27 17 Receptacles 27 18 Spacings .28A 19 Filters .30 PERFORMANCE 20 Starting Current Test 30 21 Input Test 31 22 Temperature Test .32 23 Undervoltage Test
21、 37 24 Dielectric Voltage-Withstand Test .37 25 Water Spray Test .37 26 Metallic Coating Thickness Test 40 DECEMBER 17, 2013 POWER VENTILATORS - UL 705 2AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 27 Capacitor Tests .41 27.1 Burnout on
22、electrolytic capacitor .41 27.2 Leakage current 42 28 Overload Test Switch or Control 42 29 Permanence of Marking Tests 42 29.1 General .42 29.2 Oven-aging test 43 29.3 Immersion test .43 29.4 Standard-atmosphere test .43 29.5 Unusual condition exposure test .43 29.6 Outdoor exposure test 44 30 Bond
23、ing Connection Test 44 30A Controls - End Product Test Parameters .44 30A.1 General 44 30A.2 Auxiliary controls 44 30A.3 Operating controls (regulating controls) .44A 30A.4 Protective controls (limiting controls) .44B MANUFACTURING AND PRODUCTION TEST 31 Production Dielectric Voltage-Withstand Test
24、.44D RATING 32 Details .46 MARKING 33 Details .46A SUPPLEMENT SA - DRYER EXHAUST DUCT POWER VENTILATORS (DEDPV) FOR SINGLE RESIDENTIAL DRYERS INTRODUCTION SA1 Scope SA1 SA2 Glossary SA1 CONSTRUCTION SA3 General SA1 PERFORMANCE SA4 General SA5 SA5 Temperature (Normal) SA5 SA6 Humidity Conditioning SA
25、5 SA7 Operation of Controller and Interlock .SA6 SA8 Minimum and Maximum Air Velocity .SA8 SA9 Operation of Audible Alarm or Visual Error Indicator Test for Controllers and Shut-Down for DECEMBER 17, 2013 POWER VENTILATORS - UL 705 2BUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR
26、 DISTRIBUTION WITHOUT PERMISSION FROM UL Interlocking Device .SA9 SA10 High Temperature Turn Off .SA10 SA11 Static Load Test .SA11 SA12 Sound Output Measurement Test .SA12 SA13 Lint Test SA12 SA14 Strain-Relief Test SA14 SA15 Push Back Relief Test .SA14 SA16 Leakage Current Test SA14 MARKING SA17 De
27、tails .SA17 DECEMBER 17, 2013 POWER VENTILATORS - UL 705 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 13, 2012 POWER VENTILATORS - UL 705 4 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIST
28、RIBUTION WITHOUT PERMISSION FROM UL INSTRUCTIONS SA18 Instruction Manual .SA18 APRIL 22, 2011 POWER VENTILATORS - UL 705 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This page intentionally left blank. NOVEMBER 23, 2004 POWER VENTILATORS
29、 - UL 705 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover power ventilators of the roof-and wall-mounted types and duct fans of the straight-through type intended for commercial or industria
30、l use, residential fans intended for heated and conditioned air and for connection to permanently installed wiring systems in accordance with the National Electrical Code, NFPA 70. Revised 1.1 effective November 23, 2006 1.1.1 These requirements also cover dryer exhaust duct power ventilators (DEDPV
31、) for single residential dryers. 1.1.1 added March 13, 2012 1.2 These requirements do not cover the following: a) Ventilating equipment such as attic, wall-insert, ceiling-insert, household hood, window fans, or canopy fans or blowers; b) Air-moving equipment with integral air-tempering means; c) Dr
32、yer type fans used for drying carpets or oors; d) Household and commercial blower inator type fans; e) Evaporative coolers; Evaporative cooler pumps, including retrot pumps; f) Air ltering appliances; g) Deodorizers and air fresheners; h) Component fans; i) Low voltage component fans; j) Fans and bl
33、owers that circulate air, such as desk, ceiling-suspended, and hassock fans; k) Ventilators rated more than 600 volts; l) Ventilators employing universal motors rated more than 250 volts; m) Air heaters equipped with fans; n) Draft fans for furnaces; o) Heating-ventilating units; p) Blowers employed
34、 as components in equipment such as furnaces, mechanical-refrigeration equipment, or air conditioners; q) Fusible links and similar equipment that may be provided to disconnect a fan or close shutters in the event of re; MARCH 13, 2012 POWER VENTILATORS - UL 705 7UL COPYRIGHTED MATERIAL NOT AUTHORIZ
35、ED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL r) Ventilators specically intended for use in exhausting any of the following: gases other than air, atmospheres causing corrosion to the ventilator, air with water spray, or ammable vapors; or s) Ventilators for the removal or c
36、onveyance of dust, stock, or refuse. t) Microwaves, ventilating and otherwise; and u) Ducted and non-ducted heat recovery units. 1.2 revised March 13, 2012 2 Glossary 2.1 For the purpose of this standard, the following denitions apply. 2.2 DUCT FAN A straight-through ventilator provided with anges f
37、or connection to a duct and which may be used with heated air. 2.3 FIELD WIRING TERMINAL A terminal to which a wire may be connected in the eld, unless the wire and a means of making the connection such as a pressure terminal connector, soldering lug, soldered loop, or crimped eyelet that is factory
38、 assembled to the wire or provided as part of the ventilator. 2.4 MOTORS a) Open Motor A motor having ventilating openings that permit passage of external cooling air over and around the windings of the motor. b) Totally Enclosed Motor A motor that is enclosed so as to prevent the free exchange of a
39、ir between the inside and outside of the case but not sufficiently enclosed to be termed airtight. c) Totally Enclosed Fan-Cooled Motor A totally enclosed motor with external cooling by a fan or fans integral with the motor but external to the enclosing parts. 2.5 POWER VENTILATOR An air-moving appl
40、iance consisting of an impeller which may be of the centrifugal, axial, or propeller type and an integral driver. A power ventilator is: a) Installed in a weather-resisting base intended to t, usually by a curb, over a wall or roof opening; or b) Provided with anges for connection to a duct. 2.6 VEN
41、TILATOR A power ventilator or a duct fan. MARCH 13, 2012 POWER VENTILATORS - UL 705 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3 Components 3 deleted March 13, 2012 3.1 Deleted March 13, 2012 3.2 Deleted March 13, 2012 3.3 Deleted Marc
42、h 13, 2012 3.4 Deleted March 13, 2012 4 Units of Measurement 4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 5 Undated References 5.1 Any undated reference to a code or standard appearing in the requirements of this standar
43、d shall be interpreted as referring to the latest edition of that code or standard. CONSTRUCTION 5A Components 5A added March 13, 2012 5A.1 General 5A.1.1 A component of a product covered by this standard shall: a) Comply with the requirements for that component as indicated in 5A.2 5A.6 or the indi
44、vidual component section; b) Be used in accordance with its rating(s) established for the intended conditions ofuse; c) Be used within its established use limitations or conditions of acceptability; and d) Additionally comply with the applicable requirements of this end product standard. Note - Spec
45、ic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. Exception No. 1: A com
46、ponent of a product covered by this standard is not required to comply with a specic component requirement that: a) Involves a feature or characteristic not required in the application of the component in the product, or b) Is superseded by a requirement in this standard, or MARCH 13, 2012 POWER VEN
47、TILATORS - UL 705 8AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL c) Is separately investigated when forming part of another component, provided the component is used within its established ratings and limitations. Exception No. 2: A compo
48、nent complying with a UL component standard other than those cited in 5A.2 5A.6 or the individual component section is acceptable if: a) The component also complies with the applicable component standard of 5A.2 5A.6 or the individual component section; or b) The component standard: 1) Is compatible
49、 with the ampacity and overcurrent protection requirements of the National Electrical Code, ANSI/NFPA 70, where appropriate; 2) Considers long-term thermal properties of polymeric insulating materials in accordance with the Standard for Polymeric Materials - Long Term Property Evaluations, UL 746B, and 3) Any use limitations of the other component standard is identied and appropriately accommodated in the end use application. For example, a component used in a househo
