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11
Install In-line Blower System
NOTE: The blower motor housing can be mounted using 4 holes
from either the inlet side or the outlet side of the blower.
Outlet Side
Inlet Side
1. Position the in-line blower motor housing in its mounting
location and mark the 4 mounting hole locations.
2. Drill 4 mounting pilot holes using a ³⁄₁₆" (4.8 mm) drill bit.
3. Attach the in-line blower motor housing to the mounting
location with 4 - 6 x 80 mm mounting screws and washers.
4. If it is removed, reinstall the blower motor assembly and
secure it with the screws previously removed.
5. If it is removed, reattach the motor electrical plug to the
connector on the blower motor assembly.
Complete Preparation
1. Determine and make all necessary cuts for the vent system.
IMPORTANT: When cutting or drilling into the floor, ceiling or
wall, do not damage electrical wiring or other hidden utilities.
2. Determine the location where the ¹⁄₂" (1.3 cm) wiring conduit
will be routed through the floor, ceiling or wall between the in-
line blower and the downdraft vent.
3. Drill a 1¹⁄₄" (3.2 cm) hole at this location.
4. Locate the electrical terminal boxes in the in-line blower
housing and downdraft vent. Remove the terminal box covers
and set the covers and screws aside.
5. Remove the electrical knockout from the in-line blower
housing and downdraft vent to prepare for the installation of
the UL listed or CSA approved ¹⁄₂" (1.3 cm) wiring conduit and
conduit connector.
6. With the downdraft vent mounted, run the ¹⁄₂" (1.3 cm) wiring
conduit between the in-line blower motor housing and the
downdraft vent. Pull enough ¹⁄₂" (1.3 cm) wiring conduit to
allow for easy connection to the terminal boxes in the in-line
blower housing and downdraft vent.
7. Run the six 18 AWG wires through the ¹⁄₂" (1.3 cm) wiring
conduit and conduit connectors and into the terminal boxes
on the in-line blower housing and downdraft vent. Leave
enough wire length in each terminal box to make the wiring
connections.
8. Install the conduit connectors and conduit to the in-line
blower housing and downdraft vent electrical terminal boxes.
9. Connect the vent system to the downdraft vent and in-line
blower system and seal all joints with clamps.
A. Mounting holes
A. Mounting holes
A
A
A
A
A
A
A. Electrical terminal box
B. Electrical knockout
A
B