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INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
Belt Driven Whole House Ventilator
MODELS: WHV-30BD & WHV-36BD
For use with louver models: WHL-30 & WHL-36
IMPORTANT SAFETY INSTRUCTIONS
WARNING: TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:
(A) Use this unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
(B) Before servicing or cleaning unit, switch power off at
service panel and lock service panel 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.
CAUTION: For general ventilating use only. Do not use to
exhaust hazardous or explosive materials and vapors.
CAUTION: This unit has an unguarded impeller. Do not use
in locations readily accessible to people or animals.
INSTALLATION INSTRUCTIONS
WARNING: TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:
(A) Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable
codes and standards, including fire-rated construction.
(B) Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent back drafting. 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.
(C) When cutting or drilling into wall or ceiling, do not
damage electrical wiring and other hidden utilities.
(D) Ducted fans must always be vented to the outdoors.
(E) If this unit is to be installed over a tub or shower, it
must be marked as appropriate for the application.
(F) NEVER place a switch where it can be reached from
a tub or shower.
WARNING: To reduce the risk of fire or shock, do not use
with solid state speed controls. This fan is intended for
installation facing an unoccupied space only.
IMPORTANT: Read each step completely before beginning
your installation.
FIGURE 1
INSTALLATION
Refer to Figure 1.
1. Decide upon desired location in central hallway.
2. Remove attic insulation from area where the Whole-House
Ventilator will be installed. Make sure the attic floor is free
of electrical wiring or plumbing pipes. There should be
approximately 36" of clearance between the top of ceiling
joists and the roof. This will prevent back pressure which
can reduce efficiency and increase noise level.
3. Using the template provided on the louver carton,
determine the desired location and orientation of the
louver. Drive a small nail up through the ceiling at one
corner of the template.
4. Locate nail from above. Using this point as a reference,
layout louver cutout.
WHL-36 34
1
⁄
4
" x 36"
WHL-30 34
1
⁄
4
" X 29"