Subject 412

Bulletin Dated: September 9, 2016

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Refrigeration Unit Coolers, UL 412, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Addition Of Requirements For Remotely Operated Unit Coolers

2. For Preliminary Review Only: Proposal To Update And Clarify Controls Requirements; Add Alternate Protective Electronic Controls Requirements And Alternate Spacings Requirements

3. For Preliminary Review Only: Addition Of Reference To Across-The-Line Capacitor Standards

4. For Preliminary Review Only: Revisions To Refrigerant Requirements