INSTALLING DUCT TO HRV
Flexible Duct: Slide flexible ducting onto duct connection and affix with cable tie.
Solid Ducting: slide duct over duct connection, screw in place and seal.
SUPPLY AIR GRILLES LOCATION
Without a forced air furnace: fresh air should be supplied to all habitable rooms from high wall or ceiling locations.
Grilles that diffuse the air comfortably are recommended.
With a forced air furnace: Connect to the furnace ductwork.
EXHAUST AIR GRILLE’S LOCATION
Draw stale air from the points where the worst air quality problems occur: bathroom, kitchen, and laundry room.
Additional return air ducts from strategic locations may be installed. The furnace return duct may also be used to
exhaust from.
As per building codes and installation requirements for combustion appliances: Air return ducts, or
openings for air return, should not be placed in enclosed spaces containing combustion appliances that are
subject to spillage.
Ducts should be kept short and have as few bends or elbows as possible.
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