Installation Guide

Page 2
MODELS L400K • L500K
TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
CEILING
JOIST
(24” centers
shown)
10” ROUND DUCT
GRILLE
Install after ceiling is
fi nished.
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” ceil-
ing 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
120 VAC LINE IN
GROUND TO
WIRING PLATE
10” ROUND
DUCT
GRILLE
SCREW
FINSHED
CEILING
MATERIAL
GRILLE
CEILING JOIST
(24” centers
shown)
2 X 4 FRAMING
(wide side down)
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing & up-
side-down,
so housing is
fl ush with
fi nished 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”
ROUND
ELBOW
10”
ROUND
DUCT
WALL
CAP
NOTE: Make sure the shipping tape is removed from the damper fl ap
and that damper fl ap opens and closes freely inside the ductwork.
Use duct tape to make ductwork connections secure and air-tight.
4½” X 18½”
TO 10” ROUND
TRANSITION
MOUNTING
SCREW
4½” X 18½”
TO 10” ROUND
TRANSITION
4½” X 18½”
TO 10” ROUND
TRANSITION