PLANNING FOR SUCCESSFUL
INSTALLATION
When installing the ventilation fan in a new
construction site, install the main body of the fan and
duct work during the rough‑in construction of the
building. The grill should be installed after the finished
ceiling is in place.
When installing in existing construction, use the
dimensions on page 10 to determine the required hole
size for the ceiling. Grill edges should overlap finished
ceiling.
If you are replacing an existing fan, ensure that the
new grill will adequately cover the existing opening.
NOTE: If installing in existing construction, you must
have access to space above and below the installation
location.
Do not install ventilation fan in areas where the duct
work will require configuration as shown.
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