Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual
Rev. 3.4 Sept. 20, 2011 - 10 -
3.4. Mounting & Noise Control
For maximum efficiency, the HRV should be installed in a heated
area. The HRV is designed to be hung from the ceiling by way of the
anti-vibration straps supplied. Avoid hanging the HRV directly below
a bedroom or other quiet area.
Connecting To Other Equipment - Residential Applications
Interconnection with a forced air furnace duct system is permissible (see Section 3.2.2); however, your
Nu-Air HRV is not intended to be connected to any other equipment or appliances.
Flexible ducting may be desired in some installations for noise
abatement. To ensure effective air flow, use only as much
flexible ducting as necessary and keep it taut.
3.5. Ductwork
Duct runs should be straight with a minimum of bends and
elbows. Joints should be tight fitting and sealed with duct tape or
duct sealer.
RECOMMENDATION: An engineer or other qualified person
should design the duct system.
RECOMMENDATION: Use galvanized duct whenever
possible. Although flexible duct can be used, its use should be
restricted to areas indicated (to outside hoods and in unheated
spaces).
All ducting must be supported every 3’ or less.
Be sure to seal all pipe joints with foil tape or a duct
sealant.
When possible, form elbow joints so that they are as
straight as possible.
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