ANSI UL 985-2015 UL Standard for Safety Household Fire Warning System Units (Sixth Edition Reprint with Revisions Through and Including September 5 2017).pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 985 Household Fire Warning System Units STANDARD FOR SAFETYUL 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 Household Fire Warning System Units, UL 985 Sixth Edition, Dated May 15, 2015 Summary of Topics The following changes are being issued for the Standard for Safety for Household Fire Warning S
3、ystem Units, ANSI/UL 985: Web or Internet Downloadable Digital Installation Instructions for Internet Required Products Charging Current Test Power-Supply Cord The requirements are substantially in accordance with Proposal(s) on this subject dated March 17, 2017 and June 30, 2017. All rights reserve
4、d. 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 without warranty of any kind, either expressed or impl
5、ied, 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, loss of data, or any other damages arising out of the u
6、se 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 of the form of the claim. Users of the electronic ver
7、sions 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 while purchaser is storing an electronic Standard on the
8、 purchasers computer system. SEPTEMBER 5, 2017 UL 985 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 5, 2017 UL 985 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT
9、 PERMISSION FROM UL MAY 15, 2015 (Title Page Reprinted: September 5, 2017) 1 UL 985 Standard for Household Fire Warning System Units First Edition January, 1973 Second Edition April, 1980 Third Edition June, 1985 Fourth Edition July, 1994 Fifth Edition May, 2000 Sixth Edition May 15, 2015 This ANSI/
10、UL Standard for Safety consists of the Sixth edition including revisions through September 5, 2017. The most recent designation of ANSI/UL 985 as an American National Standard (ANSI) occurred on September 5, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and T
11、itle Page. 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 ULs On-Line Collaborative Standards Development System (CSDS) at https:/. ULs Standards for Safety are copyrighted by UL. Neither a p
12、rinted 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 remain the sole and exclusive property of UL. COPYRIGHT 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 985-2017UL COPYRIGHTED MATERIAL N
13、OT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 15, 2015 HOUSEHOLD FIRE WARNING SYSTEM UNITS - UL 985 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .
14、7 2 General8 2.1 Components8 2.2 Units of measurement .8 2.3 Undated references .8 3 Glossary 8 4 Instructions and Drawings 11 5 Compatibility Information .11 5.1 General .11 5.2 Method of evaluation.12 5.3 Changes affecting compatibility12 CONSTRUCTION 6 General.12 7 Frame and Enclosure 13 7.1 Gene
15、ral .13 7.2 Cast metal enclosures .13 7.3 Sheet metal enclosures 14 7.4 Nonmetallic enclosures.15 8 Electric Shock 16 9 Enclosure Openings .16 9.1 General .16 9.2 Enclosure top openings 17 9.3 Enclosure side openings .17 9.4 Enclosure bottom openings .22 10 Metal Covers and Doors 23 11 Glass Panels
16、.23 12 Corrosion Protection .24 13 Insulating Material .24 14 Mounting of Electrical Components 25 15 Operating Mechanisms.26 16 Current-Carrying Parts .26 17 Grounding for Products Containing High-Voltage Circuits.26 18 Servicing Protection .30 FIELD-WIRING CONNECTIONS 19 Power Connections .30 20 P
17、rimary Power Supply .30 21 Secondary Power Supply.30 22 Batteries .31 INSTALLATION WIRING CONNECTIONS 23 General31 24 Field-Wiring Terminals .32 25 Field-Wiring Leads.32 MAY 15, 2015 HOUSEHOLD FIRE WARNING SYSTEM UNITS - UL 985 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIST
18、RIBUTION WITHOUT PERMISSION FROM UL 26 Power-Supply Cord 33 27 Strain Relief 33 28 Power-Limited Circuits .34 INTERNAL WIRING AND ASSEMBLY 29 Internal Wiring35 GROUNDING 30 Equipment Grounding .36 31 Polarity Identication .36 COMPONENTS 32 End-of-Line Devices.37 33 Printed Wiring Boards37 34 Bushing
19、s .37 35 Coil Windings .38 36 Switches .38 37 Lampholders and Lamps .38 38 Protective Devices.39 SPACINGS 39 General39 PERFORMANCE 40 General41 41 Normal Operation Test .41 41.1 Fire alarm control unit 41 41.2 Supervising stations .45 41.3 Combination control unit .46 41.4 Primary power supply 48 42
20、 Alarm Verication Feature (Optional) 48 43 Two-Wire Smoke Detector Compatibility Tests 50 43.1 Operating voltage determination .50 43.2 Alarm threshold impedance.50 43.3 Maximum current limitation .51 43.4 Multiple detector alarm capacity .51 43.5 Detectors with optional components .51 43.6 Dynamic
21、load immunity 51 43.7 Electrical supervision 52 43.8 Maximum capacitance loading 52 43.9 Alarm reset voltage and time .52 43.10 Alarm verication (optional)52 43.11 Minimum normal standby impedance (optional) .53 43.12 Minimum impedance where second alarm will not occur (optional) 53 44 Electrical Su
22、pervision Test 53 44.1 Power supplies 53 44.2 Interconnecting circuits and pathways .54 44.3 Trouble signals .54 MAY 15, 2015 HOUSEHOLD FIRE WARNING SYSTEM UNITS - UL 985 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 44.4 Keypads .55 45 U
23、ndervoltage Operation Test .55 46 Overvoltage Operation Test.56 47 Voltage and Current Measurements .56 47.1 Input circuit .56 47.2 Output circuit .56 48 Power-Limited Circuits .56 48.1 General.56 48.2 Maximum voltage .59 48.3 Maximum current59 48.4 VA max (not inherently limited circuits only) 59 4
24、9 Jarring Test 60 50 Component Temperature Test 61 51 Charging Current Test .66 51.1 General.66 51.2 Discharged battery 66 51.3 Charged battery .66 51.4 Discharged battery second trial67 52 Overload Test 67 52.1 Control unit .67 52.2 Separately energized circuits .67 53 Endurance Test.68 53.1 Contro
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