Installation Guide

!
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY
TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer. If
you have questions, contact the manufacturer at the address or
telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service panel
and lock the service disconnecting means to prevent power from
being switched on accidentally. When the service disconnecting
means cannot be locked, securely fasten a prominent warning
device, such as a tag, to the service panel.
3. Installation work and electrical wiring must be done by a qualified
person(s) in accordance with all applicable codes and standards,
including fire-rated construction codes and standards.
4. Sufficient air is needed for proper combustion and exhausting of
gases through the flue (chimney) of fuel burning equipment to pre-
vent backdrafting. Follow the heating equipment manufacturer’s
guideline and safety standards such as those published by the
National Fire Protection Association (NFPA), and the American
Society for Heating, Refrigeration and Air Conditioning Engineers
(ASHRAE), and the local code authorities.
5. When cutting or drilling into wall or ceiling, do not damage elec-
trical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. To reduce the risk of fire, use only metal ductwork.
8. Models L100, L150, L200, L250, and L300 only:
If this unit is to be installed over a tub or shower, it must be marked
as appropriate for the application and be connected to a GFCI
(Ground Fault Interrupter) - protected branch circuit.
9. Never place a switch where it can be reached from a tub or shower.
10. This unit must be grounded.
CAUTION
1. For general ventilating use only. Do not use to exhaust hazardous
or explosive materials and vapors.
2. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
3. Please read specification label on product for further information
and requirements.
READ AND SAVE THESE INSTRUCTIONS
LOSONE SELECT
®
VENTILATORS
Ceiling/Wall Mount
Cooking
Equipment
Floor
COOKING AREA
Do not install above or
inside this area.
45
o
45
o
NOT FOR USE IN
A COOKING AREA.
TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
Factory-shipped unit installed in new construction.
CEILING JOIST
(16” centers shown)
ROUND DUCT*
GRILLE
(Polymeric
shown)
Install after
ceiling is
finished.
MOUNTING
SCREW
GRILLE
SCREW
Blower factory-shipped
in horizontal
discharge position.
Mounting brackets
factory-shipped in
position for ½” ceil-
ing material.
ADDITIONAL
1½” FRAMING
MOUNTING (Existing Frame Construction)
Factory-shipped unit installed in existing construction.
ROUND DUCT*
GRILLE
SCREW
FINISHED
CEILING
MATERIAL
GRILLE
(Polymeric shown)
CEILING JOIST
(16” centers
shown)
2 X 4 FRAMING
(wide side down)
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing & up-
side-down,
so housing is
flush with
finished ceiling)
* L100 & L150 Series uses 6” Round Duct.
L200, L250, & L300 Series uses 8” Round Duct.
1