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LOSONE SELECT
®
L900 SERIES • L1500 SERIES
TYPICAL INSTALLATION
MOUNTING
(New Frame Construction)
CEILING
JOIST
(24” centers
shown)
12” ROUND
DUCT
GRILLE
Factory-shipped unit installed in new construction.
MOUNTING
SCREWS
GRILLE
SCREW
Ventilator factory-
shipped
in horizontal
discharge position.
MOUNTING BRACKETS
factory-shipped in position
for ½” ceiling material.
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
LINE IN
GROUND TO
WIRING PLATE
GRILLE
SCREW
DUCTING
(Horizontal 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
TRANSITION
8” X 12” TO
12” ROUND
TRANSITION
12” ROUND DUCT
FINISHED
CEILING
MATERIAL
Ventilator
factory-shipped
in horizontal
discharge
position.
MOUNTING
BRACKETS
factory-shipped
in position for
½” ceiling
material.
8” X 12” TO
12” ROUND
TRANSITION
CEILING
JOIST
(24” centers
shown)
GRILLE
(Install after ceiling is finished.)
GRILLE NUT
(Install into square
holes in housing)
GRILLE NUT
(Install into
square holes
in housing)
