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INSTALLATION INSTRUCTION
1. The unit should be securely mounted in a rigid
framework.
NOTE: Allowing the fan frame to flex or move will result in
excess vibrations, which may cause possible premature
motor, propeller, or shutter failure.
2. Install any auxiliary components such as thermostats,
switches, or speed controls if needed.
3. Connect power to the motor using an approved
wiring method.
Refer to the following wiring diagrams: Figure 2.
WARNING
!
Fan frame and motor must be securely
and adequately grounded to a suitable
electrical ground, such as a ground water
pipe or ground wiring system.
Figure 2
TROUBLESHOOTING GUIDE
Symptom
Excessive noise
Fan inoperative
Insufficient air flow
Corrosion Resistant
Shutter Mount Exhaust Fan
Possible Cause(s)
1. Loose propeller
2. Bent or damaged propeller
3. Loose guard assembly or motor
fasteners.
1. Blown fuse or open circuit breaker
2. Defective motor
3. Switch in Off position
1. Blocked intake or exhaust opening
2. Low voltage
OPERATING INSTRUCTIONS
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.
MAINTAINANCE
WARNING
!
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
Failure to do so may result in fatal electrical shock.
Employ proper lock-out/tag-out procedures when
performing maintenance.
Corrective Action
1. Tighten set screws on propeller hub.
2. Replace propeller
3. Tighten as required to 15-20 inch lbs.
1. Replace fuse or reset circuit breaker
2. Replace motor (see Figure 3)
3. Turn Switch on
1. Clear intake and exhaust openings of any
obstructions. Clean, motor, guard, propeller,
and shutter assembly. Increase fresh air intake
opening size.
2. Determine cause and correct
4
User's manual
procedure.
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