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MODELS HD50LNT • HD80LNT
FAN/LIGHT
COMBINATION VENTILATORS
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS, OBSERVE THE FOL-
LOWING:
1. Use this unit only in the manner intended by the manu-
facturer. If you have questions, contact the manufac-
turer 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 ex-
hausting 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 So-
ciety for Heating, Refrigeration and Air Conditioning
Engineers (ASHRAE), and the local code authorities.
5. When cutting or drilling into wall or ceiling, do not dam-
age electrical wiring and other hidden utilities.
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
hazardous 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 unbal-
anced impellers, keep drywall spray, construction dust,
etc. off power unit.
4. Please read specification label on product for further
information and requirements.
READ AND SAVE THESE INSTRUCTIONS
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
HOUSING MOUNTED
TO ADDITIONAL FRAMING
Discharge 90
0
to joists.
HOUSING MOUNTED
DIRECTLY TO JOIST
2x6 (or larger)
Discharge parallel to joists.
HOUSING
2 x 4
CEILING
JOIST or
TRUSS
MOUNTING
TABS
CEILING
MATERIAL
POWER CABLE
ADDITIONAL
FRAMING
2 x 4
CEILING
JOIST or
TRUSS
GRILLE
HOUSING MOUNTED
TO 2x4 TRUSS
Requires additional framing
for mounting tabs.
Discharge parallel to joists.
HOUSING
MOUNTING
TABS
CEILING
MATERIAL
POWER CABLE
ADDITIONAL
FRAMING
"
I
"
JOIST
"
I
"
JOIST
GRILLE
HOUSING MOUNTED TO “I” JOIST
Requires additional framing
for mounting tabs.
Discharge parallel to joists.
HOUSING
2 x 4
CEILING
JOIST or
TRUSS
MOUNTING TABS
CEILING
MATERIAL
POWER CABLE
4" ROUND
DUCT
ADDITIONAL
FRAMING
2 x 4
CEILING
JOIST or
TRUSS
GRILLE
HOUSING MOUNTED TO 2x4 TRUSS
Requires additional framing
for mounting tabs.
Discharge 90
0
to joists.
HOUSING
MOUNTING TABS
CEILING
MATERIAL
POWER CABLE
4" ROUND
DUCT
ADDITIONAL
FRAMING
"
I
"
JOIST
"
I
"
JOIST
GRILLE
HOUSING MOUNTED TO “I” JOIST
Requires additional framing
for mounting tabs.
Discharge 90
0
to joists.
Installer: Leave this manual with the homeowner.
Homeowner: Use and Care information on page 4.
*
Additional framing must be a 2x6 (minimum height), at least 9-inches long.
*
*
*
*
*
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