(See Note A-9.32.3.12.)
(1)
This Article shall apply to heat recovery ventilators installed to provide one or more of the fans required by this Subsection.
(2)
Two or more heat recovery ventilators shall not be connected in parallel airflow to a common air supply duct, unless specifically permitted by the manufacturer.
(3)
Two or more heat recovery ventilators shall not be connected in parallel airflow to a common downstream exhaust duct.
(4)
All start-up procedures recommended by the manufacturer, including air balancing and airflow determination, shall be followed.
(5)
A means for the free flow of condensate shall be provided in accordance with the manufacturer’s recommendations or, in their absence, a condensate drain of at least 1/2 inch nominal pipe size pitched in the direction of flow and complete with a trap or condensate pump of sufficient capacity shall be installed and connected to the dwelling unit ‘s drain, waste and vent system.
(6)
The heat recovery ventilator and all condensate lines shall be installed in a space where the ambient temperature will not adversely affect the operation of the system.