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MODELS HD50L • HD80L
!
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-
JURY 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 quali-
fied person(s) in accordance with all applicable codes and stan-
dards, 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
prevent 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 Con-
ditioning 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.
FAN/LIGHT
COMBINATION VENTILATORS
READ AND SAVE THESE INSTRUCTIONS
Installer: Leave this manual with the homeowner.
Homeowner: Use and Care information on page 4.
WARNING
6. Ducted fans must always be vented to the outdoors.
7. 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 Circuit Interrupter) - protected branch circuit.
8. Never place a switch where it can be reached from a tub or
shower.
9. This unit must be grounded.
CAUTION
1. For general ventilating use only. Do not use to exhaust hazard-
ous or explosive materials and vapors.
2. This product is designed for ceiling installation only. This product
is designed for installation in ceilings up to a 12/12 pitch. Ductwork
must point up. DO NOT MOUNT THIS PRODUCT IN A WALL.
3. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
4. Please read specification label on product for further informa-
tion and requirements.
TYPICAL INSTALLATIONS
TYPICAL INSTALLATIONS
HOUSING
CEILING
JOIST
MOUNTING TABS
GRILLE
CEILING
MATERIAL
POWER CABLE
HOUSING
CEILING
JOIST
MOUNTING TABS
GRILLE
CEILING
MATERIAL
POWER CABLE
4" ROUND
DUCT
ADDITIONAL
FRAMING
16”-ON-CENTER CEILING JOISTS
Housing mounted directly to joist.
24”-ON-CENTER CEILING JOISTS
Housing mounted to additional framing.
