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EXISTING CONSTRUCTION INSTALLATION INSTRUCTIONS (Continued)
13. Attach grille (B) by pinching the mounting springs and
inserting them into the narrow rectangular slots in the
fan housing (A).
Turn on power source. Test the unit.
CARE AND CLEANING
CAUTION: Before attempting to clean the fixture, disconnect the power to the fixture by turning
the breaker off or removing the fuse from the fuse box.
See safety information before proceeding. Routine maintenance should be done at least once a year.
• Never use solvents, thinner or harsh chemicals for cleaning the fan.
• Do not allow water to enter the motor.
• Do not immerse metal parts in water.
• Do not immerse resin parts in water more than 140°F.
TROUBLESHOOTING
PROBLEM
The fan seems
louder than it
should be.
POSSIBLE CAUSE
The CFM is too great.
The damper is damaged or not
working properly.
The bend in the duct is too close
to the
fan discharge.
The fan discharge is reduced to
fit a smaller duct.
The fan body is not attached
securely.
13
Be sure the CFM rating on the fan
matches the square footage of your room.
Check the damper to ensure it is opening
and closing properly. If the damper has
become damaged, please call Customer
Service.
Be sure you do not have any sharp
bends in the duct within 18 in. of the fan
discharge.
Use the recommended size ducting to
reduce fan noise.
Be sure the fan is securely attached to the
ceiling joists.
12
A
B
SOLUTION
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