CFM AXC Series Installation & Maintenance

CFM
Brand
CFM
Model
AXC Series
Type
Installation & Maintenance

CFM AXC Series is a bathroom ventilation kit designed to remove moisture and odors from bathrooms. It features an in-line duct fan that can be mounted near the termination of the duct, close to an outside vent. The fan is suitable for use with a standard on/off switch or with a variety of optional controls, including a digital timer, spring wound timer, dehumidistat, variable speed control, and an on/off switch with pilot light.

A spring operated backdraft damper is recommended to prevent the entry of cold air into a bathroom through the exhaust duct. It should be installed just above the grille collar, and may be mounted at any angle provided the damper blades are allowed to swing freely in the airflow direction.

CFM AXC Series is a bathroom ventilation kit designed to remove moisture and odors from bathrooms. It features an in-line duct fan that can be mounted near the termination of the duct, close to an outside vent. The fan is suitable for use with a standard on/off switch or with a variety of optional controls, including a digital timer, spring wound timer, dehumidistat, variable speed control, and an on/off switch with pilot light.

A spring operated backdraft damper is recommended to prevent the entry of cold air into a bathroom through the exhaust duct. It should be installed just above the grille collar, and may be mounted at any angle provided the damper blades are allowed to swing freely in the airflow direction.

AXC Bath-I&M-1602
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WARNING
WARNING
NOTE: JUMPER MUST BE USED WHEN MOTOR IS
OPERATED WITHOUT VARIABLE SPEED CONTROLLER
GREEN
WHITE
BLACK
CAPACITOR
TERMINAL
BLOCK
BLACK
WHITE
GROUND
BROWN
BLACK
BLUE
YELLOW
AXC FAN
MOTOR
117 VOLT SUPPLY
FROM FUSE PANEL
WHITE JUMPER
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
Installation & Maintenance
AXC
BATHROOM VENTILATION KIT
READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
SAFETY INSTRUCTIONS
AXC in-line duct fans are not explosion proof and should not be used when a
potentially explosive situation exists. Do not use where temperatures will exceed 140 F/60 C.
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. AXC fans are not suitable for outdoor use.
3. This unit has rotating parts! Safety precautions must be exercised during installation, operation
and maintenance. Turn centrifugal 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. Use 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.
CONTROLS
AXC fans are suitable for use with a standard on/off switch. Continental Fan also offers the following:
Part # Description
DT60 Digital Timer 10 – 20 – 30 – 60 Minutes
CT100V Spring Wound Timer 0 – 1 Hour
DHS120V Dehumidistat
VSC3 Variable Speed Control – 3 amp – 3 Wire
PLS120V ON/OFF Switch w/Pilot Light
BACKDRAFT DAMPER
A spring operated backdraft damper (optional) is recommended to prevent the entry of cold air
into a bathroom through the exhaust duct. It should be installed just above the grille collar, and
may be mounted at any angle provided the damper blades are allowed to swing freely in the
airflow direction.
NOTICE
2
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. FAN LOCATION
For optimum performance, the AXC in-line duct fan should be mounted near the termination of
the duct, close to an outside vent. Allow sufficient access to the fan for recommended maintenance.
STEP 2. INSTALL FAN
Attach mounting brackets to the fan housing as shown in Figure 1a or
Figure 1b. Please note the airflow direction arrow located on the box
cover. Secure the fan to a support at the selected location. The fan may be
mounted in any position; however, vertical orientation is recommended
to reduce condensation build-up in the fan. The terminal box should be
positioned for easy access.
STEP 3. EXHAUST GRILLE LOCATION
Select a location that will facilitate the rapid collection and dissipation
of bathroom air. For larger bathrooms, it is recommended that two exhaust
grilles be installed: one near the shower, and the other above the toilet. If
two grilles are used, both exhaust ducts should be directed to a Y-fitting
(included in all DX Kits), resulting in a single duct run to the fan.
NOTE: It is recommended running the fan run for 15-20 minutes after a shower to remove excess
humidity, and minimize mold and moisture damage.
STEP 4. INSTALL EXHAUST GRILLE
Place the exhaust grille collar(s) in the selected location and trace around the inside of the collar.
Cut a circular hole along the traced outline. Mount the collar flange flush with the ceiling and
secure by screwing from the front and sliding collar clamp over the rear of the collar. Once the
collar is securely mounted, snap the grille into place. Using an adjustable grille, (capable of 100%
shut off ), allows for airflow to be regulated as desired.
STEP 5. CONNECT DUCT
Rigid duct is recommended to optimize fan performance. If using flex duct, it should be stretched
as smooth as possible. Connect duct to the inlet and outlet ends of the fan housing by means of
mounting clamps or duct tape, and seal to prevent air leakage and loss of fan performance. Secure
duct to collar by means of the plastic clamp supplied with the collar. Alternately, metal gear clamps
or duct/foil tape may be used.
NOTE: For duct runs in unheated spaces, insulated duct is recommended to reduce the effects of
condensation. To minimize condensation at the exhaust grille, the duct should run horizontally
before connecting to the grille collar.
STEP 6. CONNECT WIRING
Refer to wiring diagram below. Reattach all electrical box covers before applying power.
WARNING
Figure 1a
Figure 1b
3
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  • Page 4 4

CFM AXC Series Installation & Maintenance

CFM
Brand
CFM
Model
AXC Series
Type
Installation & Maintenance

CFM AXC Series is a bathroom ventilation kit designed to remove moisture and odors from bathrooms. It features an in-line duct fan that can be mounted near the termination of the duct, close to an outside vent. The fan is suitable for use with a standard on/off switch or with a variety of optional controls, including a digital timer, spring wound timer, dehumidistat, variable speed control, and an on/off switch with pilot light.

A spring operated backdraft damper is recommended to prevent the entry of cold air into a bathroom through the exhaust duct. It should be installed just above the grille collar, and may be mounted at any angle provided the damper blades are allowed to swing freely in the airflow direction.

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