Summary of Topics b1812_4_20170320_sum.htmlSubject 1812
Bulletin Dated: March 20, 2017
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Ducted Heat Recovery Ventilators, UL 1812, are being proposed for preliminary review and comment only:
1. For Preliminary Review Only: Addition of requirements of electronic circuits
2. For Preliminary Review Only: Revision to allow the use of clearance and creepage distances from UL 840
3. For Preliminary Review Only: Addition of requirements to safety critical functions