User's Manual

21
DIRECT CONNECTION of the SUPPLY AIR STREAM to the FURNACE COLD AIR RETURN 
(Stale air drawn from key areas of home)
Forced Air
Furnace
Outdoors
*Unit is normally balanced on HIGH speed 
with furnace blower ON.
EXHAUST AIR from various parts of home.
i.e. bathrooms (if required), kitchens (if required).
Cool Air
Return
NOTES:
1. Furnace blower may be required to operate when HRV/ERV is on to provide good air distribution.
2. Weatherhood arrangement is for drawing purposes only. 6' (2 m) minimum separation required.
18" (460 mm) above grade minimum.
3. Due to the differences in pressure between the HRV/ERV and the equipment it is being
connected to, the HRV/ERV's airflow must be confirmed on site, using the balancing
procedure found in the installation manual.


Return Air
3’ min.
recommended
Partially Dedicated System
Example diagram only - duct configuration may
change depending on model
Installation Diagrams