Installer: Leave this manual with
the homeowner.
PLAN THE INSTALLATION
POWER
CABLE
4" ROUND
DAMPER/DUCT
CONNECTOR
CEILING
JOIST
FINISHED CEILING
Typical Installation
The unit can be installed anywhere between ceiling joists using
mounting brackets provided.
*
Install in a flat ceiling only.
4-IN. ROUND
4-IN. ROUND
ELBOW
**
Purchase separately
Two of the most common ways to
connect ductwork to the unit.
The unit will operate most quietly and efficiently when located
where the shortest possible duct run and minimum number of
elbows will be needed.
Plan to supply the unit with proper line voltage and appropriate
power cable.
HOUSING
MOUNTING
BRACKET
*
TRIM RING / BAFFLE
**
ROOF CAP
DUCT **
**
NOT FOR USE IN
A COOKING AREA.
The unit must not be installed above or inside the cooking area
shown.
INSTALLATION
CARDBOARD PROTECTOR
1. Install mounting brackets.
Slide the adjustable mounting brackets into the bracket channels
on the housing.
Bend the tabs on the cardboard protector and insert protector
into opening in housing.
NOTE: The cardboard protector shields the inside of the housing
from drywall spray and construction dust. Do not remove it until
after construction is completed.
WALL
**
CAP
2. Mark mounting location.
Position unit between joists and extend mounting brackets.
IMPORTANT: Position brackets so there will be an 1/8" gap
between bottom of housing and ceiling material. Mark the
top of keyhole slot on all four mounting brackets.
COOKING AREA
Do not install above or
inside this area.
o
45
Cooking
Equipment
Do not install in a cooking area.
MODEL 744NT
Page 2
o
45
Floor
1/8" GAP