Installation
REPLACING AN EXISTING FAN
WARNING: Before removing the existing ventilation fan, switch
power off at service panel and lock the service disconnecting
means to prevent power from being switched on accidentally .
When the service disconnecting means cannot be locked,
securely fasten a prominent warning device, such as a tag, to
the service panel .
NOTE:
For new installations, please see "Securing the Fan to The Ceiling Joists –
Unfinished Ceilings" section.
- Ensure the existing fan opening is smaller than the supplied
installation template so it can be enlarged to fit the new fan if
required . Check to ensure the joist arrow indicated on the template is
oriented correctly . It should be pointing towards the ceiling joist .
- Mark the center line of the existing fan opening as shown in figure 2.
- Align the provided installation template with the joist side and center
line, then draw along the template perimeter. See figure 3.
- Using a utility knife, score the ceiling along the perimeter .
It is recommended that you wear a respiratory mask when cutting the
NOTE:
drywall and removing the old fan.
- Check to make sure the power to your existing fan has been switched
off at the service panel .
- Cut the new opening in the ceiling using a drywall saw . Be careful
not to damage the existing venting or electrical wiring. See figure 4.
- Disconnect existing ductwork and electrical wiring .
- Remove the old fan along with any installation hardware . Use a pry
bar if necessary . Once your old fan has been removed, you are ready
to install your new ventilation fan. See figure 5.
WARNING: Always wear safety goggles and gloves during
installation to prevent personal injury .
Joist
Location on new fan's
duct connector
Joist
Location on new fan's
duct connector
Joist
Joist
7
Center line
Fig . 2
Installation
template (D)
Center line
Fig . 3
Fig . 4
Fig . 5
CONGLOMKB .COM