Example diagram only - duct configuration may change depending on model
Simplified Installation
Option 2
(Supply/Return Method)
It may be necessary to form an elbow in the supply side ducting as shown
DIRECT CONNECTION of both the HRV/ERV SUPPLY AIR STREAM and EXHAUST AIR STREAM to the FURNACE COLD AIR RETURN & SUPPLY AIR SIDE
RETURN AIR
3’ min.
recommended
Outdoors
Cool Air
Return
NOTES:
1.Furnace blower may be required to operate when ventilation from HRV/ERV is required. The furnace should be set to run continuously or interlocked with HRV/ERV.
2.The exhaust air connection should be upstream of the supply air connection to prevent exhausting any fresh air.
3.Weatherhood arrangement is for drawing purposes only. Six feet (2 m) minimum separation required. Eighteen inches (460 mm) above grade minimum.
4.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.
23
3’ min. |
recommended |
Forced Air
Furnace
