Definitive Technology UIW RCS III Owner's Manual page 6

Step-by-Step Installation
Hole location options and requirements
• Mounting in ceiling with joists 12" on-center.
– Place template against inside edge of joist.
– Trace around template with pencil.
– Cut hole.
See Diagram 1, page 9 for reference.
• Mounting in ceiling with joists wider than 12" on-center.
– Place template at least 1
(to clear lock arms).
– Template does not need to be centered between joists.
– Trace around template with pencil.
– Cut hole.
– Install framing material inside cavity, running 90 degrees to
existing joists, leaving 10
See Diagram 2, page 9 for reference.
• Mounting in ceiling with joists 12" on-center where crossbeam
is closer than 1
– Enclosure MUST be against the crossbeam and 2 joists, boxing
it in on 3 sides. Shim as required.
– This will require 1 additional #8 x 3
gasket material (not included) to secure to crossbeam and prevent
rattling.
– Place template against crossbeam and mounting joist.
– Trace around template with pencil.
– Cut hole.
6
See Diagram 3, page 10 for reference.
1 / " away from existing joists
4
1 / " between frame sides.
2
" from side of enclosure.
1 /
4
1 / " wood screw and side
2
(continued)