UL 412 BULLETIN-2010 PDF

Scope: These requirements cover unit coolers intended for use in refrigerators@ freezers@ refrigerated warehouses@ walk-in coolers@ and the like. They are designed for connection to alternating current (ac) circuits rated not more than 600 volts. These requirements do not apply to fan-coil units intended for comfort cooling@ heating@ or both@ or to other air-conditioning equipment or components covered by individual requirements. Requirements for installation of unit coolers are included in the National Electrical Code@ NFPA 70@ and the Safety Standard for Refrigeration Systems@ ASHRAE Standard 15. Deleted January 8@ 2009

UL 412 BULLETIN-2010 history

2018 UL 412 BULLETIN-2018 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: May 24@ 2018)
1970 UL 412-2018 UL Standard for Safety Refrigeration Unit Coolers
2016 UL 412 BULLETIN-2016 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: October 10@ 2016)
2012 UL 412 BULLETIN-2012 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: March 29@ 2012)
2011 UL 412 BULLETIN-2011 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: April 04@ 2011)
2011 UL 412-2011 UL Standard for Safety Refrigeration Unit Coolers (Fifth Edition; Reprint with Revisions Through and Including January 9@ 2017)
2010 UL 412 BULLETIN-2010 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: June 09@ 2010)
2008 UL 412 BULLETIN-2008 UL Standard for Safety Refrigeration Unit Coolers (COMMENTS DUE: September 08@ 2008)
2004 UL 412-2004 UL Standard for Safety Refrigeration Unit Coolers (Fourth Edition)
2003 UL 412 BULLETINS-2003 (Draft)4/29/2003 (8p)
2003 UL 412 BULLETIN-2003 UL Standard for Safety Refrigeration Unit Coolers
2002 UL 412 BULLETINS-2002 3/7/2002 (32p)
2002 UL 412 BULLETIN-2002 UL Standard for Safety Refrigeration Unit Coolers
1993 UL 412-1993 UL Standard for Safety Refrigeration Unit Coolers (Third Edition; Reprint with Revisions Through and Including November 16@ 2001)