UL 412 UL Standard for Safety Refrigeration Unit Coolers
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UL 412 Document Information:
Title
UL Standard for Safety Refrigeration Unit Coolers
Underwriters Laboratories Inc.
Publication Date:
Apr 26, 2004
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
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