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6
3. INSTALLATION (CONT’D)
3.3 LOCATING THE UNIT
Choose an appropriate location for the unit.
• Within an area of the house where the ambient temperature is kept between 50°F and 104°F.
• Away from living areas (dining room, living room, bedroom), if possible.
• So as to provide easy access to the interior of the unit, for maintenance.
• Close to an exterior wall, so as to limit the length of the insulated flexible duct to and from the unit.
• Away from hot chimneys and other fire hazards.
• Allow for a power source (standard 3-prong grounding outlet).
• FOR HRV UNITS ONLY: Close to a drain. If no drain is close by, use a pail to collect
run-off.
Hang the unit with the four hooks, chains and springs provided. See illustration at right.
VD0305
Make sure the unit is level.
CAUTION
3.2 TOOLS AND MATERIAL
Following are the tools and material needed:
• Phillips no. 2 or Robertson no. 2 screwdriver
• Small flat blade screwdriver (for wall control connection)
• Wire stripper (for wall control connection)
• Hammer and flat blade screwdriver (for plenum or supply furnace duct connection installation only, to make holes in existing
metal duct)
• Scissors or utility knife (to cut duct tape)
• Measuring tape
• Duct tape
• Tin snips or metal shear (for plenum or supply furnace duct connection installation only, to cut ductwork)
• Aluminum duct tape (for plenum connection installation only)
• Jig saw
• Caulking gun and caulking.
3.4 PLANNING OF THE DUCTWORK
• Keep it simple. Plan for a minimum of bends and joints.
• Keep the length of insulated ducts to a minimum.
• Do not ventilate crawl spaces or cold rooms. Do not attempt to recover the exhaust air from a dryer or a range hood. This
would cause clogging of the filters and recovery module.
• If the house has two floors or more, be sure to plan for at least one exhaust register on the highest lived-in level.
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