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8
2.3 CONNECTING THE DRAIN (HRV ONLY)
Install the drain hose included and run it to a drain or a pail. This unit may generate a large amount of water in cooler weather. It is
necessary to install the drain hose properly to prevent water damage and/or material damage.
CAUTION
• Cut the appropriate length of drain tubing (see illustrations at
right).
• Connect the tubing to the provided adaptor.
• Make a water trap loop in the tube to prevent the unit from
drawing unpleasant odors from the drain source.
• Add water in the loop to prevent noise or hiss.
• Make sure there is a distance of at least 2" between the unit and
the tubing loop (see illustration at right).
• Using tie wraps provided, attach the tubing as illustrated.
• Run the tube to the floor drain or to an alternate drain pipe or
pail.
• IMPORTANT: If using a pail to collect water, place the tube end
approximately 1” inside the pail in order to prevent water from
being drawn back up into the unit.
2.4 INSTALLING DUAL EXTERIOR HOOD USING TANDEM
®
TRANSITION KIT (OPTIONAL)
For units set at 110 CFM or less, a Tandem transition kit can be used instead of 2 exterior hoods;
but take into account this device will generate approximately an additional 0.2 in w.g. static pressure
depending on the installation.
The minimum joist opening needed to install the Tandem
®
transition is 9¾”. The maximum height of
the Tandem transition is 8¾”.
To connect the insulated flexible ducts to the Tandem transition (Exhaust air to outdoors and Fresh air
from outdoors), follow the instructions included with the Tandem transition kit (part no.VTYIK1).
VR0003
≥ 2"(51 mm)
± 1"(25 mm)
5 1/4" (133 mm)
9 3/4" (248 mm)
T
VO
0296
Tie Wrap
Tie Wrap
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