2
Losone Select Inline Mount Ventilation
Models: L900L & L1500L
TYPICAL INSTALLATION
TYPICAL INSTALLATION
CEILING
JOIST
(24”
centers
shown)
12” ROUND
ACCESS
PANEL
MOUNTING
SCREWS
ACCESS
PANEL SCREW
discharge position.
MOUNTING
Ventilator factory-
shipped
in straight-through
BRACKETS
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK
EDGE
OF HOUSING
120 VAC LINE IN
GROUND TO
WIRING PLATE
ACCESS
PANEL
SCREW
ROOF CAP
12” ROUND
ELBOW
12”
ROUND
DUCT
WALL
CAP
8” X 12”
TO
12” ROUND
TRANSITIONS
8” X 12” TO 12” ROUND
TRANSITIONS
12” ROUND DUCT
(OUTLET)
CEILING
MATERIAL
DUCT
(OUTLET)
FINISHED
MOUNTING
BRACKETS
GRILLE NUT
(Install into square
holes in housing)
Ventilator
factory-shipped
in straight-through
discharge position.
8” X 12” TO
12” ROUND
TRANSITIONS
CEILING
JOIST
shown)
(24” centers
ACCESS PANEL
12” ROUND
DUCT
(INTAKE)
12” ROUND
DUCT (INTAKE)
12”
ROUND
DUCT
GRILLE NUT
(Install into
square holes in
housing)
BY OTHERS
BY OTHERS
CEILING
JOIST
(24”
centers
shown)
12” ROUND
ACCESS
PANEL
MOUNTING
SCREWS
ACCESS
PANEL SCREW
discharge position.
MOUNTING
Ventilator factory-
shipped
in straight-through
BRACKETS
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK
EDGE
OF HOUSING
120 VAC LINE IN
GROUND TO
WIRING PLATE
ACCESS
PANEL
SCREW
ROOF CAP
12” ROUND
ELBOW
12”
ROUND
DUCT
WALL
CAP
8” X 12”
TO
12” ROUND
TRANSITIONS
8” X 12” TO 12” ROUND
TRANSITIONS
12” ROUND DUCT
(OUTLET)
CEILING
MATERIAL
DUCT
(OUTLET)
FINISHED
MOUNTING
BRACKETS
GRILLE NUT
(Install into square
holes in housing)
Ventilator
factory-shipped
in straight-through
discharge position.
8” X 12” TO
12” ROUND
TRANSITIONS
CEILING
JOIST
shown)
(24” centers
ACCESS PANEL
12” ROUND
DUCT
(INTAKE)
12” ROUND
DUCT (INTAKE)
12”
ROUND
DUCT
GRILLE NUT
(Install into
square holes in
housing)
BY OTHERS
BY OTHERS
CEILING
JOIST
(24”
centers
shown)
12” ROUND
ACCESS
PANEL
MOUNTING
SCREWS
ACCESS
PANEL SCREW
discharge position.
MOUNTING
Ventilator factory-
shipped
in straight-through
BRACKETS
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK
EDGE
OF HOUSING
120 VAC LINE IN
GROUND TO
WIRING PLATE
ACCESS
PANEL
SCREW
ROOF CAP
12” ROUND
ELBOW
12”
ROUND
DUCT
WALL
CAP
8” X 12”
TO
12” ROUND
TRANSITIONS
8” X 12” TO 12” ROUND
TRANSITIONS
12” ROUND DUCT
(OUTLET)
CEILING
MATERIAL
DUCT
(OUTLET)
FINISHED
MOUNTING
BRACKETS
GRILLE NUT
(Install into square
holes in housing)
Ventilator
factory-shipped
in straight-through
discharge position.
8” X 12” TO
12” ROUND
TRANSITIONS
CEILING
JOIST
shown)
(24” centers
ACCESS PANEL
12” ROUND
DUCT
(INTAKE)
12” ROUND
DUCT (INTAKE)
12”
ROUND
DUCT
GRILLE NUT
(Install into
square holes in
housing)
BY OTHERS
BY OTHERS
CEILING
JOIST
(24”
centers
shown)
12” ROUND
ACCESS
PANEL
MOUNTING
SCREWS
ACCESS
PANEL SCREW
discharge position.
MOUNTING
Ventilator factory-
shipped
in straight-through
BRACKETS
WIRING
PLATE
WHITE
TO
WHITE
BLACK
TO
BLACK
EDGE
OF HOUSING
120 VAC LINE IN
GROUND TO
WIRING PLATE
ACCESS
PANEL
SCREW
ROOF CAP
12” ROUND
ELBOW
12”
ROUND
DUCT
WALL
CAP
8” X 12”
TO
12” ROUND
TRANSITIONS
8” X 12” TO 12” ROUND
TRANSITIONS
12” ROUND DUCT
(OUTLET)
CEILING
MATERIAL
DUCT
(OUTLET)
FINISHED
MOUNTING
BRACKETS
GRILLE NUT
(Install into square
holes in housing)
Ventilator
factory-shipped
in straight-through
discharge position.
8” X 12” TO
12” ROUND
TRANSITIONS
CEILING
JOIST
shown)
(24” centers
ACCESS PANEL
12” ROUND
DUCT
(INTAKE)
12” ROUND
DUCT (INTAKE)
12”
ROUND
DUCT
GRILLE NUT
(Install into
square holes in
housing)
BY OTHERS
BY OTHERS
MOUNTING (New Frame Construction)
WIRING
DUCTING (Straight-through blower discharge)
MOUNTING (Existing Frame Construction)
Factory-shipped unit installed in new construction.
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
Two ways to connect ductwork to a factory-shipped unit.
Factory-shipped unit installed in new construction.
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.
