UL 541:9ED 2016-04-21
Current
The latest, up-to-date edition.
Refrigerated Vending Machines
Hardcopy
21-04-2016
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FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
4. Installation instructions
CONSTRUCTION
5. General
6. Accessories
7. Enclosures
8. Supply connections
9. Grounding and bonding for grounding
10. Internal wiring and wiring methods
11. Separation of circuits
ELECTRICAL COMPONENTS
12. Current-carrying parts
13. Insulating Material
14. Capacitors
15. Control circuit conductor overcurrent protection
16. Short-circuit protection
17. Dispenser mechanism
18. Coin or credit mechanism
19. Electric-discharge lighting systems
20. Fuseholders
21. Motors and motor overload protection
22. Switches and controllers
23. Transformer protection
24. Valves and solenoids
SPACINGS
25. High-voltage circuits
26. Low-voltage circuits
CARBONATION SYSTEM
27. General
PRODUCT LINES
28. General
REFRIGERATION SYSTEM
29. Refrigerent
30. Refrigerent-containing parts
31. Pressure limiting devices
32. Pressure relief
PERFORMANCE
33. General
34. Leakage current test
35. Input test
36. Temperature and pressure tests
37. Dielectric voltage-withstand test
38. Heating test
39. Insulation resistance test
40. Rain test
41. Stability test
42. Condenser fan motor failure test
43. Antitheft devise test
44. Water failure test
45. Start-to-discharge test
46. Rupture member test
47. Fusible plug test
48. Overload and endurance test - switching devices
49. Burnout tests - components
50. Burnout test - high-voltage transformers
51. Overload test - high-voltage transformers
52. Overvoltage and undervoltage tests
53. Limited short-circuit test
54. Protective devices - maximum continuous current test
55. Strength tests
56. Accelerated aging tests on gaskets and adhesives
57. Metallic coating thickness test
58. Label adhesion tests
MANUFACTURING AND PROTECTION TESTS
59. Pressure tests
60. Grounding continuity tests
61. Dielectric voltage-withstand tests
62. General
63. Electrical ratings
64. Coin and credit mechanism
65. Accessories
APPENDIX A
Standards for components
?
This revision to ANSI/UL 541 dated November 19, 2020 revises installation instructions for vending machines having flammable refrigerant; SA6.2.3.
| DevelopmentNote |
NEW CHILD REV 3 2020 IS NOW ADDED.
|
| DocumentType |
Standard
|
| Pages |
0
|
| ProductNote |
NEW CHILD REV 2 2018 IS NOW ADDED. NEW CHILD REV 3 2020 IS NOW ADDED.
|
| PublisherName |
Underwriters Laboratories
|
| Status |
Current
|
These requirements cover self-contained, refrigerated vending machines intended for connection to alternating-current circuits rated 600 volts or less in accordance with ANSI/NFPA 70.
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