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6
9¼”
VD0385
24"-DEEP CLOSET
3 Installation (cont'd)
3.1 Positioning the Unit (cont'd)
VH0111
DOOR
NO. 10 X 5/8"
NO. 8 X 1½"
3.1.2 Zone A only - Installation in the attic over the insulation (unit having its door on top)
1. Rotate the backdraft damper 180° (no tool required) so that it falls in closed position and the word "TOP" engraved on the
damper is up once the unit is in place.
2. Mount the brackets to the unit as illustrated below using two no. 10 x 5/8" screws provided for each bracket.
3. Secure the unit to the trusses using one no. 8 x 1½" screw provided for each bracket.
4. IMPORTANT: For unvented attic and without radiant barrier sheathing, insulation material must be added around and over
the unit to prevent excess of heat in the unit. Ensure access is kept for product maintenance.
3.1.3 Installation under the ceiling (in a conditioned space)
1. Mount the brackets to the unit as illustrated above using two no. 10 x 5/8”
screws provided for each bracket.
2. Secure unit to the ceiling using two no. 8 x 1½” screws provided for each
bracket, making sure not to secure it into drywall alone.
KEEP 12" CLEARANCE UNDERNEATH THE
UNIT FOR MAINTENANCE
CAUTION
Installed unit area ambient temperature must be kept between 50°F and 135°F, insulation material must be
added over the unit if temperature in attic exceeds this limit in summer to protect electronic components
from exposure to high temperature.
Spread the insulation around the unit, then use an insulated ducting plate to cover
the unit door to maintain access inside the unit. Make sure to keep 12” clearance
above the unit to remove the door, the core and lters for maintenance purposes.
VH0116
DUCTING
PLATE
NOTE: Validate applicable codes; model ERVS100S-HW might be required
for this type of installation.
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