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If an Exhaust Fan is supplied with the job, proceed as follows:
- Refer to drawing in the "General Information" section.
- Determine the location of the hood in the building from the plans
and job specs.
- Draw an outline of the hood on the floor exactly where it will be positioned.
- Determine and mark the center line of the main exhaust duct where it
will penetrate the roof deck.
- Extend the exact center of the exhaust duct straight up to the
roof, using a plumb bob. Punch a hole through the roof deck at this point.
This is the exhaust center.
- Re-check your measurements to be sure the hole will be cut properly.
- Locate the punched hole on the roof. Draw center lines on the roof the
same as the center lines of the exhaust duct and determine the proper roof
opening size from the model specific documentation at the job site.
- Mark the opening on the roof and be sure that the exhaust center line
drawn on the roof lines up with the center line of the curb. Cut the roof
opening.
- Place the curb over the opening and flash it onto the roof deck.
- Place the unit onto the curb and secure with self-tapping screws.
- Bring power to the unit.
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The drawing below shows a typical exhaust fan installation.
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For specific dimensional information, please refer to the model specific documentation at
the job site.
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