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MODELS • L900L • L1500L
Page 2
TYPICAL INSTALLATION
MOUNTING
(New Frame Construction)
CEILING
JOIST
(24”
centers
shown)
12” ROUND
DUCT
(OUTLET)
ACCESS
PANEL
Factory-shipped unit installed in new construction.
MOUNTING
SCREWS
ACCESS
PANEL SCREW
Ventilator factory-shipped
in straight-through
discharge position.
MOUNTING
BRACKETS
MOUNTING
(Existing Frame Construction)
Factory-shipped unit installed in existing construction.
TYPICAL INSTALLATION
WIRING
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK EDGE
OF HOUSING
120 VAC LINE IN
GROUND TO
WIRING PLATE
ACCESS
PANEL
SCREW
DUCTING
(Straight-through blower discharge)
Two ways to connect ductwork to a factory-shipped unit.
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
ROOF CAP
12” ROUND
ELBOW
12”
ROUND
DUCT
WALL
CAP
IMPORTANT:
Remove shipping tape from damper
Remove the shipping tape from the damper flap and make sure
that damper flap opens and closes freely inside the ductwork. Use
duct tape to make ductwork connections secure and air-tight.
8” X 12”
TO
12” ROUND
TRANSITIONS
8” X 12” TO 12” ROUND
TRANSITIONS
12” ROUND DUCT
(OUTLET)
FINISHED
CEILING
MATERIAL
Ventilator
factory-shipped
in straight-through
discharge position.
MOUNTING
BRACKETS
8” X 12” TO
12” ROUND
TRANSITIONS
CEILING
JOIST
(24” centers
shown)
ACCESS PANEL
12” ROUND
DUCT
(INTAKE)
12” ROUND
DUCT (INTAKE)
12”
ROUND
DUCT
GRILLE NUT
(Install into square
holes in housing)
GRILLE NUT
(Install into
square holes in
housing)
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