• UL 621:7ED 2010-05

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s):  Hardcopy

    Superseded date:  14-11-2018

    Language(s): 

    Published date:  07-05-2010

    Publisher:  Underwriters Laboratories

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Specifies unitary ice cream makers designed for connection to alternating current circuits rated not more than 600 volts.

    General Product Information - (Show below) - (Hide below)

    Development Note NEW CHILD REV 6 2020 IS NOW ADDED
    Document Type Standard
    Product Note NEW CHILD REV 6 2020 IS NOW ADDED
    Publisher Underwriters Laboratories
    Status Superseded

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM F 1604 : 2015 : REDLINE Standard Specification for Freezers, Ice Cream, Soft Serve, Shake
    MIL-B-44037 Revision A:1986 BLENDER, POWERED MIX, MECHANICALLY REFRIGERATED
    A-A-50183 Base Document:1988 ICE CREAM MAKER; SHAKE MAKER; AND COMBINATION ICE CREAM AND SHAKE MAKER, SOFT SERVE, MECHANICALLY REFRIGERATED

    Standards Referencing This Book - (Show below) - (Hide below)

    UL 719:13ED 2015-09 Nonmetallic-Sheathed Cables
    UL 514A:11ED 2013-02 Metallic Outlet Boxes
    UL 5085-3:1ED 2006-04 Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
    UL 61131-2:2ED 2008-06 Programmable Controllers - Part 2: Equipment Requirements and Tests
    UL 207:8ED 2009-04 Standard for Refrigerant-Containing Components and Accessories, Nonelectrical
    UL 4248-11:1ED 2007-02 Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse
    UL 83:16ED 2017-07 Standard for Thermoplastic-Insulated Wires and Cables
    UL 917:5ED 2006-11 Standard for Clock-Operated Switches
    UL 4248-9:1ED 2007-02 Fuseholders - Part 9: Class K
    UL 60730-2-9:4ED 2017-02 Automatic Electrical Controls - Part 2-9: Particular Requirements for Temperature Sensing Controls
    UL 6 : 2014 ELECTRICAL RIGID METAL CONDUIT - STEEL
    UL 101:6ED 2017-07 Leakage Current for Utilization Equipment
    UL 746A:6ED 2012-09 Polymeric Materials - Short Term Property Evaluations
    UL 429:7ED 2013-11 Electrically Operated Valves
    UL 60730-1:5ED 2016-08 Automatic Electrical Controls - Part 1: General Requirements
    UL 4248-6:1ED 2007-02 Fuseholders - Part 6: Class H
    UL 4248-15:1ED 2007-02 Fuseholders - Part 15: Class T
    UL 4248-4:1ED 2007-02 Fuseholders - Part 4: Class CC
    UL 1004-2:2ED 2014-01 Standard for Impedance Protected Motors
    UL 496:14ED 2017-09 Lampholders
    UL 4:15ED 2004-01 Armored Cable
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