1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 1776 High-Pressure Cleaning MachinesUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTH
2、ER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for High-Pressure Cleaning Machines, UL 1776 Third Edition, Dated June 7, 2002 SUMMARY OF TOPICS This revision to ANSI/UL 1776 includes the deletion of Draft Hood Requirements. Text that has been changed in any manner
3、or impacted by ULs electronic publishing system is marked with a vertical line in the margin. 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 effec
4、tive. The revised requirements are substantially in accordance with Proposal(s) on this subject dated August 23, 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, recor
5、ding, or otherwise without prior permission of UL. UL provides this Standard as is without 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, c
6、onsequential, indirect or similar damages, including loss of prots, lost savings, loss 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 UL
7、s liability for any damage ever exceed the price paid for this Standard, regardless 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 (inclu
8、ding reasonable attorneys fees) resulting from any error or deviation introduced while 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 th
9、e Standard having future effective dates as indicated in the note following the affected 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. NOVEMBER 7, 2013 UL 1776 t
10、r1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NOVEMBER 7, 2013 UL 1776 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 7, 2002 (Title Page Reprinted:
11、 November 7, 2013) 1 UL 1776 Standard for High-Pressure Cleaning Machines First Edition October, 1992 Second Edition December, 1995 Third Edition June 7, 2002 This ANSI/UL Standard for Safety consists of the Third Edition including revisions through November 7, 2013. The most recent designation of A
12、NSI/UL 1776 as an American National Standard (ANSI) occurred on November 5, 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) has adopted UL 1776 on August 23, 2000. The publication of rev
13、ised 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 ULs On-Line Collaborative Standards Development System (CSDS)
14、 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 remain the sole and exclusive property of UL. COPYRIGHT 2013 U
15、NDERWRITERS LABORATORIES INC. ANSI/UL 1776-2013UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 24, 2010 HIGH-PRESSURE CLEANING MACHINES - UL 1776 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR
16、 DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope 11 2 Glossary 11 2.1 General 11 2.2 All products .12 2.3 Fuel-red products .15 3 Components 19 4 Units of Measurement 20 4A Undated References 20 5 Accessories .20 6 Instructions 20 CONSTRUCTION ALL PRODUCTS 7 Assembly .20 8 Mate
17、rials 21 8.1 General 21 8.2 Fluid-conning parts .21 8.3 Nonmetallic materials 22 9 Protection Against Corrosion 22 10 Thermal Insulating Material .24A ELECTRICAL SYSTEMS AND DEVICES 11 Frame and Enclosure .25 12 Adhesives Used to Secure Parts .31 13 Handles and Gripping Areas .31 14 Mechanical Assem
18、bly .32 15 Accessibility of Uninsulated Live Parts and Film-Coated Wire .32A 16 Supply Connections .38 16.1 Cord-connected products 38 16.2 Permanently connected products .39 17 Current-Carrying Parts 42 18 Insulating Material 42 19 Internal Wiring 42 19.1 Mechanical protection .42 19.2 Wiring in pr
19、oducts exposed to the effects of weathering .44 19.3 Splices and connections 44 19.4 Separation of circuits .45 19.5 Separation of wiring and fuel lines 45 20 Capacitors .45 21 Grounding .46 22 Heating Elements .48 23 Water Heaters 48 24 Lampholders .48 25 Motors .49 25.1 General .49 25.2 Overload p
20、rotection .49 AUGUST 24, 2010 HIGH-PRESSURE CLEANING MACHINES - UL 1776 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 26 Overload- or Thermal-Protective Devices 51 27 Receptacles 52 28 Switches and Controls .53 29 Automatic Temperature Co
21、ntrols 53 30 Spacings 54 MECHANICAL SYSTEMS AND DEVICES ENGINE DRIVEN PRODUCTS 31 Fuel Systems Gasoline or Diesel .57 31.1 General .57 31.2 Fuel tanks .57 31.3 Fuel pump .58 31.4 Fuel lines and ttings .58 31.5 Carburetors 59 32 Fuel Systems LP-Gas .59 32.1 General .59 32.2 Containers 60 32.3 Gauges
22、.61 32.4 Fuel lines and ttings .62 32.5 Vaporizers .63 32.6 Safety-control and relief devices .63 32.7 Nonmetallic parts .64 32.8 Exhaust System 64 32.9 Battery compartment .65 MECHANICAL SYSTEMS AND DEVICES FUEL FIRED PRODUCTS 33 General 65 33.1 Ignition assembly .65 33.2 Gas-red burners .66 33.3 O
23、il-red burners 66 34 Burner Assemblies 66 34.1 General .66 34.2 Gas-red assemblies .68 34.3 Oil-red assemblies .69 35 Combination Gas-Oil Burner Assemblies 71 36 Electric High-Tension Ignition System .71 36.1 Assembly .71 36.2 Electrode and bus bars .71 36.3 Insulators .72 36.4 Leads .73 36.5 Transf
24、ormers 73 37 Electric Hot-Wire Ignition System .73 38 Gas Pilots .74 38.1 General .74 38.2 Gas-red burners .74 38.3 Oil-red burners 75 39 Valves .75 39.1 General .75 39.2 Automatic safety-shutoff valves gas-red burners .75 39.3 Automatic safety shutoff valves oil-red burners .76 39.4 Manual valves g
25、as-red burners 76 39.5 Manual valves oil-red burners .76 JUNE 7, 2002 HIGH-PRESSURE CLEANING MACHINES - UL 1776 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 39.6 Pressure-relief valves .77 40 Pressure Regulators 77 41 Heating Surfaces an
26、d Combustion Chambers 77 42 Baffles.79 43 Draft Control .79 44 Venting 80 45 Fuel-Supply System .80 45.1 Oil tanks 80 45.2 Fuel lines and piping 82 45.3 Gas-red products 84 45.4 Oil red products .84 46 Controls .84 46.1 General .84 46.2 Combustion-air controls .85 46.3 Operating controls 87 46.4 Lim
27、it controls 87 46.5 Primary-safety controls gas-red burners .87 46.6 Primary-safety controls oil-red burners .90 PROTECTION AGAINST INJURY TO PERSONS 47 General 91 48 Sharp Edges .92 49 Enclosures and Guards 92 50 Materials .93 51 Rotating or Moving Members .93 52 Back-Flow Prevention .94 53 Parts S
28、ubject to Pressure 94 54 Overpressure Protection .94 55 Risks of Pressure Injection and Cutting 95 55A Injection Test .96 56 Switches, Controls, and Interlocks .96B 57 Strength of Support Handles .97 58 Stability 97 59 Strength of Mounting 97 60 Discharge-Fluid Temperature .98 61 Surface Temperature
29、s .98 PERFORMANCE GENERAL 62 Details .98 62.1 All products 98 62.2 Electrical systems 99 62.3 Fuel-red products .99 63 Instrumentation 100 63.1 Temperature measurement .100 63.2 Draft .102A 63.3 Fuel input 103 64 Installation 103 64.1 Fixed products corner installation 103 64.2 All xed products alco
30、ve or closet installation .104 64.3 Fuel-red xed products .104 64.4 All portable products .109 JUNE 25, 2010 HIGH-PRESSURE CLEANING MACHINES - UL 1776 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 64.5 Fuel-red portable products 109 PERFO
31、RMANCE ALL PRODUCTS 65 Normal Operation Tests 109 65.1 All products 109 65.2 Gas-red products 110 65.3 Oil-red products with mechanical atomizing burners 110 66 Maximum Pressure Tests .110 67 Normal Temperature Test 110 67.1 General 110 67.2 Surface temperature test .115 67.3 Maximum normal load .11
32、6 68 Abnormal Operation Tests 116 68.1 All products 116 68.2 Electrically heated products 117 68.3 Fuel-red products 117 69 Hydrostatic Pressure and Strength Test 117 70 Tests on Gaskets, Seals, and Parts 118 70.1 Fluid handling parts .118 70.2 Aging test 118 70.3 Volume change .120 70.4 Weight loss
33、 .120 70.5 Gaskets and seals for fuel tank joints 121 70.6 Cleaning solution 121 71 Tests on Nonmetallic Enclosures and Guards .122 71.1 Ball-impact .122 71.2 Mold stress-relief distortion .123 71.3 Light and water exposure 123 71.4 Izod impact .123 71.5 Tensile impact 124 72 Drop-Impact Test 124 73
34、 Test for Strength of Support Handles 125 74 Tests on Pressure-Regulating Control Switches .125 74.1 General 125 74.2 Overpressure protection tests .125 75 Metallic-Coating-Thickness Test .126 76 Permanence of Markings .127 76.1 General 127 76.2 Cord tags 128 PERFORMANCE ELECTRICAL SYSTEMS 77 Leakag
35、e Current Test 129 78 Leakage Current Test Following Humidity Conditioning .131 79 Insulation Resistance Test Following Humidity Conditioning .132 80 Starting Current Test .132 81 Input Test .133 82 Bonding Conductor Tests .133 83 Dielectric Voltage-Withstand Test 134 84 Flooding Tests 135 84.1 Gene
36、ral 135 84.2 Component malfunction or breakdown test .135 AUGUST 28, 2003 HIGH-PRESSURE CLEANING MACHINES - UL 1776 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 84.3 Overow test .135 84.4 Test on polymeric components intended for water-h
37、andling 136 84.5 Water spray test I .136 84.6 Water spray test II .136 85 Test on Gripping Areas .139 86 Tests on Switches and Controls .140 87 Tests on Temperature Controls 141 88 Strain-Relief Test 141 89 Radiation Test .142 90 Ozone Generation Test .142 91 Overvoltage Test 142 PERFORMANCE FUEL-FI
38、RED SYSTEMS 92 Combustion Tests .143 92.1 Gas-red products 143 92.2 Oil-red products 144 92.3 Oil-red products with mechanical-atomizing burners 145 92.4 Oil-red products with vaporizing burners 146 93 Ignition Tests General 148 94 Ignition Tests Gas Fired Products 148 94.1 Pilot supervision 148 94.
39、2 Ignition, gas-electric high tension 149 94.3 Gas-electric hot-wire reduced voltage 149 94.4 Gas electric hot-wire endurance .150 94.5 Gas-electric hot-wire component temperatures 150 95 Ignition Oil-Fired Products 151 95.1 Ignition, electric high-tension reduced voltage .151 95.2 Electric high-ten
40、sion combustion detectors .152 95.3 Electric hot-wire reduced voltage test 1 .152 95.4 Electric hot-wire reduced voltage test 2 .153 95.5 Electric hot-wire endurance .153 95.6 Electric hot-wire component temperatures 154 95.7 Gas reduced voltage .154 95.8 Gas pilot supervision .155 95.9 Gas ame fail
41、ure response .155 95.10 Gas stability .155 95.11 Gas-electric ignition .156 95.12 Gas-electric high-tension 156 95.13 Gas-electric hot-wire reduced voltage test 1 .157 95.14 Gas electric hot-wire reduced voltage test 2 158 95.15 Gas electric hot-wire general .158 95.16 Manual general 158 95.17 Stabi
42、lity .159 95.18 Ignition ash .159 95.19 Reduced voltage .159 96 Blocked Flue Test .161 97 Combustion Air Interruption Test 162 97.1 General 162 97.2 Gas-red products 162 97.3 Oil-red products 162 98 Undervoltage Test .163 98.1 General 163 AUGUST 28, 2003 HIGH-PRESSURE CLEANING MACHINES - UL 1776 7UL
43、 COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 98.2 Gas-red products 163 98.3 Oil-red products 163 99 Power Interruption Test .164 99.1 General 164 99.2 Gas-red products 164 99.3 Oil-red products 164 100 Wind Test .165 100.1 General .165 100.
44、2 Gas-red products .165 101 Stability Test .165 102 Tests on Antiooding Devices 166 103 LP-Gas Container Securement Tests .166 104 Tests on Fuel Tanks 167 104.1 All tanks 167 104.2 Metallic tanks 167 104.3 Nonmetallic tanks fuel exposure test 167 104.4 Nonmetallic tanks heat aging test 168 104.5 Low
45、 temperature test .168 104.6 Nonmetallic tank light and water exposure test .168 104.7 Nonmetallic tank leakage test 169 105 Tests on LP-Gas Fuel Lines and Fittings 169 105.1 Pressure test 169 105.2 Torque test 169 106 Tests on Fuel Oil and Gasoline Fuel Lines and Fittings .170 106.1 Pull test .170
46、106.2 Torque test 170 106.3 10-Day Moist Ammonia-Air Stress Cracking Test 170 PERFORMANCE PRODUCTS WITH INTERNAL COMBUSTION ENGINES 107 Backre-Deector Test 171 MANUFACTURING AND PRODUCTION TESTS 108 Dielectric voltage-Withstand Test .171 109 Grounding Continuity Test .173 110 Fuel System Leakage Tes
47、t 173 110.1 Gas-red products .173 110.2 Oil-red products .173 110.3 Gasoline and oil fuel tanks 173 110.4 LP-gas fuel systems 174 111 Manufacturer Production Line Rupture or Burst Disc Overpressure Protection Test .174 MARKING 112 Details 174 112.1 General .174 112.2 Permanently connected products 1
48、77 112.3 Component marking 179 112.4 Cord-connected products 180A 113 Cautionary and Warning Markings .180A 113.1 General .180A 113.2 Servicing 181 AUGUST 15, 2005 HIGH-PRESSURE CLEANING MACHINES - UL 1776 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMI
49、SSION FROM UL 113.3 Gas- and oil-red products 182 113.4 Engine driven products .182 113.5 Electrically operated products .182 INSTRUCTION MANUALS 114 General .184 114.1 Details 184 114.2 Operating instructions 185 114.3 Accessories .185 114.4 Moving and storage instructions .185 115 Instructions Pertaining to a Risk of Fire, Electric Shock or Injury to Persons .186 116 Installation Inst
