11
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
The fan seems
louder than it should
CFM too great
Be sure the CFM rating on the fan
matches the size of your room
Damper not working properly or
damaged
Check damper to ensure it is opening
and closing properly. If the damper
has become damaged, please call
Customer Service
Bend in duct too close to fan discharge
Be sure you do not have any sharp
bends in duct closer than 18 in. to the
fan discharge
Fan discharge reduced to t smaller
duct
Use recommended size ducting to
reduce fan noise
Fan body not securely attached
Be sure the fan is securely attached
to your ceiling joists
CARE AND MAINTENANCE
WARNING: Disconnect power supply before servicing. See SAFETY INFORMATION before proceeding.
Routine maintenance should be done at least once a year.
• Wash grille with mild soap and water, dry with a cloth.
• Remove excess dirt and dust from the fan housing with a vacuum cleaner.
• Do not use solvents, thinner or harsh chemicals for cleaning the fan.
• Do not allow water to enter the motor.
• Do not immerse resin parts in water over 140º F.
EXISTING CONSTRUCTION ASSEMBLY INSTRUCTIONS
9
8.2
A
8.1
8.1
B
9. Pinch mounting springs (9.1) on grille (B) and insert
into narrow rectangular slots (9.2) inside the fan (A).
Push grille (B) up toward ceiling.
Turn on electricity at breaker box after nishing
installation.
9.2
9.1
9.1
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