CFM CF Maintenance and service guide

Installation & Maintenance
CF
BATHROOM EXHAUST FANS
READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
TROUBLESHOOTING
Only qualified personnel should work on electrical equipment. Working on or
near energized equipment could result in death or serious injury.
1.If the fan fails to start, consult wiring diagram to ensure proper connection.
2.Check the incoming supply for proper voltage.
3.Ensure that the electrical service to the fan is locked in the “OFF” position.
4.se a meter to test for continuity across the fan motor leads.
5.If the motor leads show continuity, rewire the fan.
6.Turn on the electrical supply and restart.
7.If the fan fails to start, please contact factory.
RECOMMENDED MAINTENANCE
Disconnect and lock out power supply before performing any maintenance.
Working on or near energized equipment could result in death or serious injury.
1.Fan bearings are sealed. No additional lubrication is necessary.
2.Periodic inspection, based upon usage, should be performed to ensure that the fan impeller is
not obstructed. The fan should be inspected a minimum of every six (6) months.
3.Excessive fan noise or vibration may indicate an obstructed impeller.
4.To inspect and clean impeller:
a)Remove the grille from the fan and remove any obstructionfrom the impeller.
b)Vacuum the interior of the unit.
c)Reconnect the grille to the fan.
d)Turn power supply on.
WIRING DIAGRAM
WARNING
WARNING
FAN
WHITE
BLACK
WHITE
GROUNDGROUND
BLACK
JUNCTION BOX UNIT
LINE
IN
ON/OFF
SWITCH
CF FANS-I&M-1805
1-800-779-4021 • www.continentalfan.com
Continental Fan Manufacturing Inc.
203 Eggert Road
Bualo, New York 14215
Continental Fan Manufacturing Inc.
6274 Executive Blvd.
Dayton, Ohio 45424
Continental Fan Canada Inc.
12-205 Matheson Blvd E
Mississauga, Ontario L4Z 3E3

CF BATHROOM EXHAUST FANS
The delivery set i cludes:
• Fa assembly -1
• Grille - 1
FAN INSTALLATION
Disconnect and lock out power supply before performing any installation work.
Working on or near energized equipment could result in death or serious injury.
STEP 1. INSTALL FAN ASSEMBLY
Position the fan assembly so the bottom edge is flush with the finished ceiling. Secure to joist with
wood screws (not provided).
STEP 2. CONNECT DUCT
sing the recommended duct size, connect duct to the damper/duct connector, and run duct to
an exterior roof or wall cap using the shortest, straightest duct routing possible. Ensure all duct
connections are airtight.
STEP 3. CONNECT WIRING
Refer to wiring diagram on page 4. Reattach all electrical box covers before applying power.
STEP 4. INSTALL GRILLE
Pinch the springs on the sides of grille and insert them into the slots in the housing. Firmly push
the grille against the ceiling to secure (Figure 1).
WARNING
3
SAFETY INSTRUCTIONS
CF fans are not explosion proof and should not be used when a potentially
explosive situation exists.
1. Ensure that the electrical service to the fan is locked in the “OFF” position. Do not re-establish
power supply until fan and activation device are completely installed.
2. CF fans are not suitable for use in cooking areas.
3. This unit has rotating parts! Safety precautions must be exercised during installation, operation
and maintenance. Turn impeller by hand to make sure it rotates freely.
4. For general ventilation use only. Do not use to exhaust hazardous or explosive materials
and vapors.
5. To reduce the risk of fire, electric shock, or injury to persons — observe the following:
a. se this unit only in the manner intended by the manufacturer. If you have questions, contact
the factory.
b. A qualified person(s) must perform installation work and electrical wiring in accordance
with all applicable codes and standards, including fire-rated construction.
c. The combustion airflow needed for safe operation of fuel burning equipment may be
affected by this unit’s operation. Follow the heating equipment manufacturer’s guidelines
and safety standards as published by the National Fire Protection Association (NFPA), the
American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE), and
local code authorities.
d. When cutting or drilling into walls or ceilings, take care not to damage electrical wires or
other hidden utilities.
e. Ducted fans must always be vented to the outdoors when used to exhaust moist/humid air.
6. Check voltage at the fan to see that it corresponds to the motor nameplate.
7. CF fa s are suitable for installation over a shower or tub when installed in a GFCI (Ground Fault
Circuit Interrupter) protected branch circuit. This unit must be grounded.
8. If fan is mounted at an angle, duct connector must point up.
NOTICE
2
CF50 & CF70 Bathroom Exhaust Fa s
Figure 1