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7
WARNING
DO NOT use this fan to exhaust hazardous or explosive materials and vapors. Do not use to
exhaust air filled with lint, grease, or oil.
DO NOT let children and pets near this product when it is in operation.
DO NOT handle or install this fan while it is running; it has an unguarded impeller and has an
unguarded impeller and does NOT come with a fan guard. This fan also has sharp edges and may
cause bodily harm.
NEVER use a rheostat or a light dimmer switch to control the fan speed. Always use this fan with
the included speed controller.
This fan is intended to be installed with both ends connected to ducting, and is designed to only
boost dry (ambient) heated or cooled airflow in HVAC systems with temperatures between 40°F
and 140°F (4°C-60°C). NEVER expose this fan to temperatures over 140°F (60°C).
This fan cannot be used with a carbon filter. Improper use of this fan may result in electrical shock,
fires, serious injuries or death. Disconnect and/or lockout all remote electric power supplies before
servicing or installing this fan.
GENERAL NOTES
To achieve greater boosted airflow, you may use tapered reducers that allow you to install larger
diameter duct fans in smaller diameter ducts.
Regularly clean your duct booster fan at least twice a year. This will keep your fan clear of lint, dust,
and debris and running optimally. Install your duct booster fan in an accessible area.
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