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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
Duct configuration may change depending on the
model. See Specifications for your unit.
ATTENTION