INITIAL START UP PROCEDURE
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WARNING
Wear clean, approved eye or face protection while performing the
initial start up procedure. Failure to follow this instruction may result
in serious personal injury.
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Checking Fan Rotation
Use the following procedure to check the fan rotation.
1.
With the electrician present, press the START pushbutton on the motor starter and immediately press the STOP pushbutton. This m
turning on the AirWall unit. As the fan coasts to a stop, visually inspect the
fan exhaust outlet and ensure that the fan rotation is in the correct
direction. See WARNING.
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WARNING
Never place hands or other objects such as tools into the fan inlet or
exhaust openings. Failure to follow this instruction may cause
serious personal injury.
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Normally, there is an arrow on the blower indicating proper rotation of the fan blades. If this arrow is not visable carefully look
into the fan exhaust outlet and confirm that the fan blades are moving toward you. If the fan blades are rotating away from you,
have your electrician reverse the motor direction.
2.
After assuring that the fan is turning in the proper direction, restart the AirWall unit and allow it to come up to speed. Ask your
electrician to use an amp probe or ammeter to take amp and volt readings after the fan has rotated up to full speed to make
sure the motor is not being overloaded.
Adjusting Photohelic Gage And Switch
It may be necessary at this time to adjust the Photohelic gage and switch to ensure its
proper operation.
1.
With the fan off, check the black needle on the gage to determine the
reading. If the needle is indicating more than, or less than zero, it must be
adjusted.
2.
To adjust the gage, use a small straight blade screwdriver to
