TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
ROUND DUCT*
ADDITIONAL
1½" FRAMING
Blower factory-shipped
in horizontal
discharge position.
GRILLE
(Polymeric
shown)
Install after
ceiling is
finished.
Factory-shipped unit installed in new construction.
MOUNTING (Existing Frame Construction)
2 X 4 FRAMING
(wide side down)
ROUND DUCT*
CEILING JOIST
(16" centers
shown)
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing & up-
side-down,
so housing is
flush with
finished ceiling)
GRILLE
(Polymeric shown)
Factory-shipped unit installed in existing construction.
* L100 & L150 Series uses 6" Round Duct.
L200, L250, & L300 Series uses 8" Round Duct.
LOSONE SELECT
Mounting brackets
factory-shipped in
position for ½" ceil-
ing material.
CEILING JOIST
(16" centers shown)
MOUNTING
SCREW
GRILLE
SCREW
FINISHED
CEILING
MATERIAL
GRILLE
SCREW
L100 SERIES L150 SERIES
®
L200 SERIES
L250 SERIES L300 SERIES
TYPICAL INSTALLATION
WIRING
BLACK
TO
BLACK
WHITE
TO
WHITE
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
DUCTING (Horizontal blower discharge)
ROUND
ELBOW*
Two ways to connect ductwork to a factory-shipped unit.
* L100 & L150 Series uses 6" Round Duct.
L200, L250, & L300 Series uses 8" Round Duct.
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.
Remove shipping ring from blower inlet
Remove the shipping ring from the blower inlet before operating
the ventilator.
TOP / BACK
OF HOUSING
GROUND TO
WIRING PLATE
WIRING
PLATE
LINE IN
ROOF CAP
ROUND
DUCT*
Page 2
WALL
CAP