Rev 6.7 January 2023 10
mechanical rooms that might contain combustion equipment. The Novoclimat standard of Quebec,
Canada, requires this method of ducting for 5
th
port ventilators.
Drain Connections
Access to a drain or sump is required for HRV condensate. Care should be taken to run the condensate tube
where it cannot freeze. To install the drain assembly:
1. Apply the rubber O-ring supplied to the flange of each drain spout (A)
2. Insert the drain spouts through the holes in the drain pan (B)
3. Use the provided nut to tightly secure the drain spout
4. Cut two lengths of drain hose (E) long enough to avoid kinking
5. Attach the hose to the drain spout by sliding it over the spout until it is tight to the bottom of the speed nut.
Repeat for the other side
6. Secure the hose to the spout with the plastic tie wraps (D)
7. Install the Tee (F) in either of the two ways shown in the drawings below
8. Attach the free end of the hose to the left fitting. Repeat for the other side
9. Use the remaining hose to form a "P" trap and terminate at the top of the tee
10. Pour approximately one cup of water into the drain assembly to form an air seal. This prevents gasses from
being drawn into the HRV/ERV
Note for Single-Drain Units
Your unit might be equipped with just one drain and one drain plug. For these models, use the drain
hose to form a P-shape after connecting the hose to the drain plug (the arc of the P should be wide
enough so as not to cause a kink in the drain hose). Fix the P-shape with one of the (two) plastic cable-
ties provided, taking care not to pinch the hose when tightening the cable-tie.
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