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These requirements cover nonducted, stationary or fixed heat recovery ventilators for household, commercial, or industrial use and intended to be employed inaccordance with the National Electrical Code, NFPA 70.
These requirements cover heat recovery ventilators rated 600 volts or less.
These requirements cover heat recovery ventilators that may be mounted through a wall or ceiling, or in a window.
These requirements cover heat recovery ventilators that may employ sh ort ducts intended to bring air to and from the equipment . These requirements do not coverheat recovery ventilators employing ducts intended to suppl y conditioned air for environmental heating and/or cooling or distribute air throughout a building; suchunits are judged under the requirements in the St andard for Ducted Heat Recovery Ventilators, UL 1812. These requirements do not preclude a preheater providedas part of the air exchange system.
A product that contains features, characteristics, components, materials, or systems new or different from those in use when the Standard was developed, and thatinvolves a risk of fire, electric shock, or injury to persons, shall be evaluated using the appropriate additional component and end-product requirements as determinednecessary to maintain the level of safety for the user of the product as originally anticipated by the intent of this Standard.
Product Details
- Edition:
- 4th
- Published:
- 10/15/2004
- Number of Pages:
- 24