UL 621:7ED 2010-05-07
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Ice Cream Makers
Hardcopy
14-11-2018
07-05-2010
FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
4. Installation and Operating Instructions
CONSTRUCTION
5. General
6. Assembly
7. Accessibility of Uninsulated Live Parts, Film-Coated
Wire, and Moving and Hot Parts
8. Accessories
9. Enclosures
10. Field Supply Connections
11. Internal Wiring and Wiring Methods
12. Separation of Circuits
13. Bonding for Grounding
ELECTRICAL COMPONENTS
14. Current-Carrying Parts
15. Insulating Material
16. Switches and Controllers
17. Motors and Motor Overload Protection
18. Fuseholders
19. Incandescent Lighting Systems
20. Receptacles
21. Receptacle and Lighting Circuit Overcurrent
Protection
22. Valves and Solenoids
23. Capacitors
24. Transformer Protection
25. High-Voltage Control Circuit Conductor Overcurrent
Protection
SPACINGS
26. High-Voltage Circuits
27. Low-Voltage Circuits
REFRIGERATION SYSTEM
28. Refrigerant
29. Pumpdown Capacity
30. Refrigerant Tubing and Fittings
31. Refrigerant Containing Parts
32. Pressure-Limiting Devices
33. Pressure Relief
PERFORMANCE
34. Instrumentation
35. Test Voltage
36. Leakage Current Test - Cord-Connected Ice Cream
Makers
37. Input Test
38. Starting Test
39. Temperature and Pressure Test
40. Dielectric Voltage-Withstand Test
41. Condenser Fan Motor Failure Test
42. Condenser Water Failure Test
43. Overflow Test
44. Stability Tests - Components
46. Burnout Test - High-Voltage Transformers
47. Overload Test - High-Voltage Transformers
48. Overvoltage and Undervoltage Tests
49. Current Overload Test - Bonding Conductors and
Connections
50. Insulation Resistance Test
51. Limited Short-Circuit Test
52. Compressor Protective Device Tests
53. Strength Tests - Pressure Containing Components
54. Start-to-Discharge Test
55. Component Restraint Test
56. Additional Tests
MANUFACTURING AND PRODUCTION TESTS
57. Pressure Tests
58. Production-Line Dielectric Voltage-Withstand Tests
59. Production-Line Grounding Continuity Tests
MARKING
60. General
61. Permanently Connected Ice Cream Makers
62. Cord-Connected Ice Cream Makers
APPENDIX A
Standards for Components
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