Panasonic WhisperRemodel RG-R811LA Installation Instructions Manual page 6

INSTALLATION (RETROFIT) (CONTINUED)
Install Flex-Z Fast™ bracket
Flex-Z Fast™ bracket position can be adjusted from 16" to 24" (406mm to 610mm) between joists.
Unit: inches (mm)
1
PAD
Drywall
Marker
Template
Draw the contour with a marker through marked line
Flex-Z Fast
Align the edge of Flex-Z Fast™ with
the edge of the ceiling opening on the
side where the adapter will be installed.
3
Joist
Flex-Z Fast™ bracket
Install circular exhaust duct
1
Remove screw from junction box
cover to remove the knock-out
hole and secure conduit or stress
relief to junction box knock-out hole.
2
Install the circular exhaust duct and
secure it with clamps or ties and seal it
with mastic or approved foil tape. A
3 or 4 inch circular duct is needed to
connect to the relevant part of the adaptor.
Template
Joist
Flex-Z Fast™ bracket
™
bracket
2 Tapping screws
(ST4.2X20)
Joist
2
Drywall
Joist
Joist
Knock-out hole
1
Junction box cover
1
Remove the existing fan and use housing
masking template to mark the ceiling
opening and cut the ceiling along the
marked line.
2
Insert Flex-Z Fast™ bracket into the
opening and extend.
3
Align and install bracket to joist by using
2-preinstalled tapping screws.
4
Extend bracket to the other joist.
5
Install bracket to joist by using
2-preinstalled tapping screws.
2 Tapping
screws
(ST4.2X20)
4
5
Circular exhaust duct
Conduit
Flex-Z Fast™ bracket
2
Joist
Adaptor
Mastic or
approved
foil tape
6