Standard 412, Edition 5
Red Line
January 09, 2017
UL 412

Standard for Refrigeration Unit Coolers

UL Red Line Edition 5 Published Date: January 09, 2017 Last Revision: June 14, 2022

Summary of Topics s0412_5_sum.html

Summary of Topics

This revision to ANSI/UL 412 includes the following changes in requirements:

Addition Of Requirements For Remotely Operated Unit Coolers

Update And Clarification of Controls Requirements; Add Alternate Protective Electronic Controls Requirements And Alternate Spacings Requirements

Addition Of Reference To Across-The-Line Capacitor Standards

Revisions To Refrigerant Requirements

Back to Standard 412, Edition 5

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