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Note

Warning / 

Important 

note

Information

Technical 

information

Practical tip

Before installation, 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.

1. The compactness and adaptability of the FKD/KD Series fans permit 

easy installation. The fans are shipped fully assembled and can be 
mounted at any angle. For various mounting, see figures on the 
following page.

2. Because this unit has rotating parts, safety precautions should be 

exercised during all  phases of installation, operation and  
maintenance.

3. CAUTION: For general ventilation use only, do not use to exhaust 

hazardous or explosive material and vapors. 

For indoor installation only.

4. Remove unit from package and inspect within 15 days after receipt. If 

damaged, report damage to carrier. Do not operate this unit with 
visible damage to the blower or impeller assembly.

5. CAUTION: This unit has an unguarded impeller. Do not use in 

locations readily accessible to people or animals.

WEAR HAND PROTECTION AND STAY CLEAR OF SHARP EDGES!

6. Screen guards must be installed within reach of personnel, within (7) 

feet of the working area, or when advisable for safety.

7. PLEASE read the entire manual before installing

WARNINGS

DO NOT CONNECT POWER SUPPLY until fan is completely installed. Make 

sure electrical service to the fan is in the locked “OFF” position.

1. All fans are suitable for use with solid-state speed control. Three 

phase units must be wired through a motor contactor.

2. WARNING! TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR 

INJURY TO PERSONS - OBSERVE THE FOLLOWING:
a. Use this unit in the manner intended by the manufacturer. If you 

have any questions, contact your manufacturer’s representative or 
contact us directly.

b. CAUTION: Before installation, servicing or cleaning unit, switch 

power off at service panel and lock the service disconnection means 
to prevent power from being switched on accidentally. When the 
service disconnection means cannot be locked, securely fasten a 
prominent warning device, such as a tag, to the panel.

c. Installation work and electrical wiring must be done by qualified 

person(s) in accordance with all applicable codes and standards, 
including fire-rated construction. 

3. 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 
Association (NFPA), and the American Society for Heating, 
Refrigeration and Air-Conditioning Engineers (ASHRAE), and the local 
code authorities. 
a. When cutting or drilling into wall and ceiling, do not damage 

electrical wiring and other hidden utilities.

b. Ducted exhaust fans must always be vented to the outdoors.
c. 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.

d. Use only on GFCI Protected Receptacles.

e. Do not use an extension cord with this fan.

f.  If a power cord is connected, do not install this fan behind a 

suspended or structural wall, ceiling, or floor.

g. NEVER place a switch where it can be reached from a tub or 

shower.

4. WARNING! Check voltage at the fan to see if it corresponds to the 

motor name plate.

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