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1. Keep the area free of objects that could impede air flow on both the
intake and exhaust side of fan.
2. For proper exhaust operation, a window, door, or louver should be
opened for fresh air intake on the opposite side of the area to be
ventilated.
3. Turn the fan ON; the shutter will open automatically. When the unit is
turned OFF, the shutter will close.
4. Speed controllable units are designed to operate at a minimum of fifty
percent line voltage.
1. Disconnect power source before servicing.
2. Periodically clean off accumulated dirt from the propeller, guard, motor,
and shutter.
Do not depend on any switch as the sole means of
disconnecting power when installing or servicing. If power
disconnect is not visible, utilize OSHA Lock out/Tag out procedure.
Failure to do so may result in fatal electrical shock.
Employ proper lock-out/tag-out procedures when performing
maintenance.
OPERATING INSTRUCTIONS
MAINTAINANCE
