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4 FULLY DEDICATED SYSTEM INSTALLATION
Installation Notes:
• The HRV must be balanced.
• When balancing, all external exhaust systems should be
turned off (i.e., range hood, exhaust, bathroom vents).
• All exhausting appliances should have their own make-up
air, as this is not as intended use for the HRV system.
• The duct configuration may change depending on the
HRV model.
• The airflow must be confirmed on site using the balancing
procedures found in this guide.
Spring-Loaded Backdraft Damper (recommended):
There is a location for an optional Backdraft Damper with the leaf hinge vertical. The damper is installed on
the “Stale Air to Outside” Collar.
•
Check local codes/authority having jurisdiction for acceptance.
• Applications such as greenhouses, atriums, swimming pools, saunas, etc. have unique ventilation
requirements which should be addressed with an isolated ventilation system.
• Weatherhood arrangement is for drawing purposes only. Check local codes/authority having
jurisdiction for acceptance.
• Backdraft dampers are recommended for the stale air to outside air duct. This damper prevents
outdoor air from entering the HRV during the operation of the furnace/air handler while the HRV is
in standby, off, or recirculating.
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