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MODELS •
I
L90LA1151 •
I
L150LA1151
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18"
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18"
1½"
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2½"
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22"
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22"
1
1
/
8
"
MAX.
MOUNTING OPTIONS
WIRING OPTIONS
DUCTING OPTIONS
Mounting brackets in
factory-shipped position -
mounted directly to joists.
(Outlet parallel to joists.)
(New construction)
¼-20 hex nuts secure mounting brackets to housing. Loosen and
re-tighten or remove and replace nuts as necessary for desired
mounting bracket position.
Mounting brackets flipped
over and mounted to
additional framing.
(Outlet perpendicular to joists.)
(New or Existing construction)
BLOWER DISCHARGE POSITIONS
WIRING PLATE
POSITION
Wiring plate mounts to side or top of housing.
HORIZONTAL POWER
CABLE CONNECTION
VERTICAL
POWER
CABLE
CONNECTION
Ventilator shown in
straight-through discharge
position. (Factory shipped)
DUCT
CONNECTOR
(intake)
Ventilator shown in right-
angle discharge position.
(Change movable panel to
new location as shown.)
MOVABLE
PANEL
DUCTING
(Vertical blower discharge)
Typical ductwork connection to a ventilator converted to
right-angle discharge.
ROOF CAP
12” ROUND
DUCT
WARNING: To reduce the risk of electric shock,
disconnect from power supply before servicing.
To clean blower assembly:
Remove access panel, unplug blower
from housing, remove blower mounting nuts, and carefully remove
blower from housing. Use appropriate vacuum attachment or a soft
cloth and mild soap or detergent to clean blower discharge area
and wheel. DO NOT ALLOW WATER TO ENTER MOTOR. Make
sure blower assembly is completely dry before reinstalling.
Motor is permanently lubricated. Do not oil or disassemble motor.
USE AND CARE
Ventilator is designed for continuous operation. If desired, it may be
controlled using an on/off switch or a solid-state, variable speed
control. Follow wiring instructions packed with control, and adhere
to all local and state codes, and the National Electrical Code.
Factory-Shipped
Straight-Through
Discharge
Factory-Shipped
Straight-Through
Discharge
Housing
Converted to
Right-Angle
Discharge
Mounting brackets flipped
over and mounted to
additional framing.
(Outlet vertical.)
(New or Existing construction)
Mounting brackets flipped
over and mounted to top of
housing. Housing secured
with cables.
(Outlet parallel to joists.)
(New or Existing construction)
Factory-Shipped
Straight-Through
Discharge
MOVABLE
PANEL
(Change to this
location)
8” X 12” TO
12” ROUND TRANSITIONS
DUCT
CONNECTOR
(outlet)
DUCT
CONNECTOR
(intake)
DUCT
CONNECTOR
(outlet)
Housing
rotated &
movable panel
covers previous
open side.
12” ROUND
DUCT
