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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
opened for fresh air intake on the opposite
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 d
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
OPERATING INSTRUCTIONS
MAINTAINANCE
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
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 d
esigned to operate at a minimum of fifty
1. Disconnect power source before servicing.
2. Periodically clean off accumulated dirt from the propeller, guard, motor,
Do not depend on any switch as
the sole means of
OPERATING INSTRUCTIONS
MAINTAINANCE
10
1. Keep the area free of objects that could impede air flow on both the
window, door, or louver should be
side of the area to be
3. Turn the fan ON; the shutter will open automatically. When the unit is
esigned to operate at a minimum of fifty
2. Periodically clean off accumulated dirt from the propeller, guard, motor,
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