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Standard 710B, Edition 2

Standard for Recirculating Systems

UL Red Line
Standard 710B, Edition 2 Edition Date: August 14, 2014
Summary of Topics s0710b_2_sum.html

Summary of Topics

These revisions to UL 710B are being issued are being issued to address the following changes in requirements:

Clarification of Requirements for Interlocks

Standards Updates Pertaining to Class 2 Circuits

Clarifications to the Capture Test to Align with Current Practices and Procedures

Clarification for Simultaneous Conduct of Fire Extinguishment Tests

Clarification for Mechanical Actuation

Clarification on Markings for Non-integral Recirculating Systems

New Requirements for Integral and Non-Integral Recirculating Downdraft Systems

Back to Standard 710B, Edition 2

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