MOUNTING OPTIONS
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.
21½"
INSTALLATION FROM ABOVE FINISHED CEILING
Mounting brackets in
factory-shipped position.
(Outlet parallel to joists.)
(New construction)
12¼"
INSTALLATION WITH DUCTWORK
Mounting brackets mounted
RUNNING ACROSS JOISTS
ADUSTABLE FOR VARIOUS CEILING THICKNESSES
to outlet sides of housing.
(Outlet perpendicular to joists.)
(New construction)
9
10
21½"
Mounting brackets mounted
to top of sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
WIRING OPTIONS
WIRING PLATE
POSITION
HORIZONTAL POWER
CABLE CONNECTION
Wiring plate mounts to side or top of housing.
/
1
"
1
8
MAX.
21½"
Mounting brackets flipped
over and mounted to outlet
sides of housing.
(Outlet parallel to joists.)
(Existing construction)
21½"
Mounting brackets flipped
over to give approx. 1"
more clearance.
(Outlet parallel to joists.)
(New construction)
/
" to
1
2
/
"
1
2
21½"
Mounting brackets flipped
ADUSTABLE FOR VARIOUS CEILING THICKNESSES
over and mounted to top of
sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
VERTICAL
POWER CABLE
CONNECTION
DUCTING OPTIONS
BLOWER DISCHARGE POSITIONS
DUCT CONNECTOR
1½"
to
2½"
/
1
"
1
BLOWER
2
to
2
/
"
1
Blower and duct connector
2
in straight-through dis-
charge position. (Factory
shipped)
DUCTING (Right angle blower discharge)
10"
10
/
" to
3
ROUND
4
11
/
"
3
DUCT
4
Typical ductwork connection to a ventilator converted to
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.
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.
L400L • L500L • L700L
DUCT CONNECTOR
Change
blower
& duct
connector
positions
for right
angle dis-
charge.
BLOWER
Blower and duct connector
in right angle discharge
position.
ROOF CAP
4½" X 18½"
TO 10" ROUND
TRANSITION
right angle discharge.
MODELS
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