Summary of Topics b0412_5_20161028_sum.htmlSubject 412
Bulletin Dated: October 28, 2016
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Refrigeration Unit Coolers, UL 412, are being proposed:
1. Addition Of Requirements For Remotely Operated Unit Coolers
2. Proposal To Update And Clarify Controls Requirements; Add Alternate Protective Electronic Controls Requirements And Alternate Spacings Requirements
3. Addition Of Reference To Across-The-Line Capacitor Standards
4. Revisions To Refrigerant Requirements