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Standard 1812, Edition 4

Standard for Ducted Heat Recovery Ventilators

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Standard 1812, Edition 4 Edition Date: June 21, 2017
Summary of Topics s1812_4_sum.html

Summary of Topics

This revision to UL 1812 was issued to incorporate the following changes:

Addition of requirements of electronic circuits

Revision to allow the use of clearance and creepage distances from UL 840

Addition of requirements to safety critical functions

Back to Standard 1812, Edition 4

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