1812 CRD
UL Standard for Safety Ducted Heat Recovery Ventilators - Section / Paragraph Reference: 6, 13.4, and new sections/clauses 34B, 57A, 57B, 59A, 60.23-60.33 Subject: Ducted heat-recovery ventilators incorporating electrostatic air cleaning functions and/or refrigerant and water coils, and requirements for calculating and marking Minimum Circuit Ampacity and Maximum Overcurrent Protection
active
| Publication Date: | 3 August 2022 |
| Status: | active |
| Page Count: | 13 |
Document History
January 25, 2023
UL Standard for Safety Ducted Heat Recovery Ventilators - Section / Paragraph Reference: 22.2.8, (NEW) 45.1.3, (NEW) 45.1.4 Subject: Alternate Polymeric Property Tests
A description is not available for this item.
1812 CRD
August 3, 2022
UL Standard for Safety Ducted Heat Recovery Ventilators - Section / Paragraph Reference: 6, 13.4, and new sections/clauses 34B, 57A, 57B, 59A, 60.23-60.33 Subject: Ducted heat-recovery ventilators incorporating electrostatic air cleaning functions and/or refrigerant and water coils, and requirements for calculating and marking Minimum Circuit Ampacity and Maximum Overcurrent Protection
A description is not available for this item.
March 22, 2012
UL Standard for Safety Ducted Heat Recovery Ventilators - Section / Paragraph Reference: Section 10/ Table 10.1 Subject: Update Table 10.1 for External Thermal and Acoustical Insulation Material Requirements
A description is not available for this item.
April 29, 2011
UL Standard for Safety Ducted Heat Recovery Ventilators - Section / Paragraph Reference: Section 3 / Paragraph New 3.XX, Section 18 / Paragraph 18.2 – 18.2.7A, and Section 19 / Paragraph 19.1.1 Subject: New definitions, adding alternate 1004 series of standards to 2111, adding an exception for 3 phase motors, and additional requirements when allowing overload protection not provided with the unit
A description is not available for this item.