TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
ROUND DUCT*
y
y
yy
y
y
ADDITIONAL
1½" FRAMING
Blower factory-shipped
in straight through
discharge position.
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)
y
MOUNTING
BRACKETS
(Attached to
y
opposite sides
of housing &
upside-down)
Factory-shipped unit installed in existing construction.
* L100L & L150L use 6" round duct.
L200L, L250L, & L300L use 8" round duct.
Mounting brackets
factory-shipped in
position for ½"
ceiling material.
CEILING JOIST
(16" centers shown)
MOUNTING
SCREW
yyy
yyy
yyy
y
yyy y
y
yyy
y
yyy
FINISHED
CEILING
MATERIAL
L100L • L150L • L200L • L250L • L300L
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 DUCT*
Two ways to connect ductwork to a factory-shipped unit.
* L100L & L150L use 6" round duct.
L200L, L250L, & L300L use 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.
MODELS
TOP / BACK
OF HOUSING
GROUND TO
WIRING PLATE
WIRING
PLATE
120 VAC LINE IN
ROOF CAP
ROUND
ELBOW*
Page 2
WALL
CAP