UL 1815 PDF
Price range: $90.90 through $181.80
Nonducted Heat Recovery Ventilators
1 Scope
1.1 These requirements cover nonducted, stationary or fixed heat recovery ventilators for household, commercial, or industrial use and intended to be employed in accordance with the National Electrical Code, ANSI/NFPA 70.
1.2 These requirements cover heat recovery ventilators rated 600 volts or less.
1.3 These requirements cover heat recovery ventilators that may be mounted through a wall or ceiling, or in a window.
1.4 These requirements cover heat recovery ventilators that may employ short ducts intended to bring air to and from the equipment. These requirements do not cover heat recovery ventilators employing ducts intended to supply conditioned air for environmental heating and/or cooling or distribute air throughout a building; such units are judged under the requirements in the Standard for Ducted Heat Recovery Ventilators, UL 1812. These requirements do not preclude a preheater provided as part of the air exchange system.
Summary of Topics
This revision of UL 1815 dated January 5, 2024 includes requirements for power supplies without grounding conductor, 8.1A, 30.3, and 30.3A.
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