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EXISTING CONSTRUCTION INSTALLATION INSTRUCTIONS
Installing the fan housing (A) in an existing building requires
an accessible area (attic or crawl space) above the planned
installation location, as well as existing duct and wiring.
BEFORE INSTALLATION
WARNING: RISK OF ELECTRIC SHOCK!
Ensure the electricity to
the wires you are working on is shut off. Either remove the fuse
or turn off the circuit breaker before removing the existing bath
fan or installing the new one.
1. Remove existing fan.
1
2. Measure the opening to ensure it is large enough to
accommodate the 7-1/2 in. x 7-1/4 in. dimensions of
the new fan housing (A).
2
3. If this fan is not replacing an old fan, be sure to cut a
7-3/4 in. x 7-1/2 in. opening for the fan housing.
7-1/2 in
.
7-3/4 in.
3
4. Detach the two grille mounting brackets by removing the two
screws on each bracket.
NOTE: Save the screws for reinstallation of the mounting
brackets.
Mounting
bracket
bracket
Mounting
A
4
