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Standard 621, Edition 7

Standard for Ice Cream Makers

UL CSDS Proposal
Standard 621, Edition 7 Edition Date: June 26, 2015
Summary of Topics b0621_7_20150626_sum.html

Subject 621

Bulletin Dated: June 26, 2015


The following changes in requirements to the Standard for Ice Cream Makers, UL 621, are being proposed:

1. Revisions for general requirements regarding components

2. Revisions for specific requirements regarding components

3. Revisions for requirements regarding refrigerant tubing

4. Revisions to incorporate operating control, protective control parameter, and safety critical function requirements

5. Revisions for motor and motor overload protection requirements

6. Miscellaneous revisions including updated standard references, thermal equilibrium requirements, clarification of Table 31.2, and removal of R-22 references

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