12
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.
A
B
13
CARE AND CLEANING
CAUTION: Before attempting to clean the xture, disconnect the power to the xture 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 POSSIBLE CAUSE SOLUTION
The fan seems
louder than it
should be.
The CFM is too great. Be sure the CFM rating on the fan
matches the square footage of your room.
The damper is damaged or not
working properly.
Check the damper to ensure it is opening
and closing properly. If the damper has
become damaged, please call Customer
Service.
The bend in the duct is too close
to the
fan discharge.
Be sure you do not have any sharp
bends in the duct within 18 in. of the fan
discharge.
The fan discharge is reduced to
t a smaller duct.
Use the recommended size ducting to
reduce fan noise.
The fan body is not attached
securely.
Be sure the fan is securely attached to the
ceiling joists.
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