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CBF SERIES
COMMERCIAL BATHROOM FAN
INSTALLATION
Remove fan and associated parts from its packaging.
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IMPORTANT: Remove tape securing the damper to the outlet flange prior to install and make sure that the damper opens/closes freely.
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To avoid damage to the fan, ensure the unit is cleaned out and free of construction debris - i.e. drywall tape or dust.
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Locate the joist mounting brackets. Note: They can be installed upward or flipped downward depending on the construction of the ceiling
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joists. They are height adjustable. Set them to the required depth and secure them with the bolts & nuts provided.
If you remove the mounting flanges and change their orientation or position, measure their position relative to your chosen installation
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method to ensure they are properly setup prior to install (Fig. 1). If you remove the flanges, be sure to to re-attach the speed dial.
When you plan your install, you must route the ductwork outdoors, either horizontally through a wall cap, soffit, or vertically through a roof
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cap. (Fig. 2)
Carefully lift the unit into position and secure to ceiling joists or other permanent building structure. (Fig. 3 & 4)
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Secure the flanges to the building's structure with appropriate hardware and methods aligned with building codes in your jurisdiction.
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With the unit secure, you may now complete all duct work connections. Ensure the unit is vented outdoors. Use metal ductwork to reduce
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risk of fire. Be cautious to ensure the damper still opens freely when attaching duct to the outlet flange. Hardware pilot holes are provided.
Make sure the power is off at the breaker or source with proper lockouts installed and the unit is disconnected before wiring the motor.
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Remove the cover of the provided wiring compartment. Inside you will find power wires and ground screw. (Fig. 12 & 13)
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WARNING: To reduce risk of fire, electric shock or injury, please observe the following: Installation work and electrical wiring
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must be done by qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction.
With the wiring complete, reinstall the wiring box cover. Ensure you install a rated strain relief in the standard 7/8 electrical knockout.
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Look over the unit, make sure all fasteners and set screws are tightened, some may have loosened during shipping.
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Complete any construction required, and give the unit a final inspection prior to energizing it.
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Install the grill screen using the bolts provided. (Fig. 14)
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NOTE: The CBF can rotate its discharge and duct from the standard 90deg relationship to a straight up or 180 deg discharge. See
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Fig. 8 - 11 for details. You may need to rotate the potentiometer seen in Fig. 7 as well.
M-CBF-L2 12_03_24
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