®
Page 2
LOSONE SELECT
®
L400 SERIES • L500 SERIES • L700 SERIES
TYPICAL INSTALLATION
MOUNTING
(New Frame Construction)
CEILING
JOIST
[24” (609.6 mm)
centers shown]
10” (254 mm)
ROUND DUCT
GRILLE
Install after ceiling is
finished.
Factory-shipped unit installed in new construction.
MOUNTING
SCREW
GRILLE SCREW
Blower factory-shipped
in horizontal
discharge position.
Mounting brackets factory-
shipped in position for ½”
(12.7 mm) ceiling material.
MOUNTING
(Existing Frame Construction)
Factory-shipped unit installed in existing construction.
TYPICAL INSTALLATION
WIRING
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK
TOP / BACK
OF HOUSING
LINE IN
GROUND TO
WIRING PLATE
10” (254 mm)
ROUND
DUCT
GRILLE
SCREW
FINSHED
CEILING
MATERIAL
GRILLE
CEILING JOIST
[24” (609.6 mm)
centers shown]
2 X 4 FRAMING
(wide side down)
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing &
upside-down,
so housing is
flush with
finished ceiling)
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
10” (254 mm)
ROUND ELBOW
10” (254 mm)
ROUND
DUCT
WALL
CAP
NOTE: Make sure the shipping tape is removed from the damper
flap and that damper flap opens and closes freely inside the
ductwork. Use duct tape to make ductwork connections secure and
air-tight.
4½” (114.3 mm) X
18½” (469.9 mm)
TO 10” (254 mm)
ROUND
TRANSITION
MOUNTING
SCREW
4½” (114.3 mm) X
18½” (469.9 mm)
TO 10” (254 mm)
ROUND
TRANSITION
4½” (114.3 mm) X
18½” (469.9 mm)
TO 10” (254 mm)
ROUND TRANSITION