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Installing the CS 120P in a Suspended Ceiling — Division of Labor
In a division of labor installation, low-voltage contractors install the CS 120P enclosure
(construction rough-in phase).
NOTE: The ceiling grid must be installed before the installation of the CS 123T can
Use the following procedure:
1.
2.
3.
begin.
•
Verify if fiberglass ceiling tiles are being used (see
step 10
on page 21 for details).
•
The grid face must be at least 15/16 inch (24 mm) for proper installation of the
CS 120P (see
step 12
smaller grid face).
Side View
Grid Face
15/16" (24 mm)
Figure 25.
Grid Face Example
Disconnect power
Power down all attached devices before proceeding.
—
Verify the space where the system will be installed — Ensure that there is sufficient
clearance above the ceiling tile for the unit to be installed.
Configure the CS 120P for a U.S. or metric ceiling grid — For U.S. ceilings (2 feet
by 2 feet or 2 feet by 4 feet), leave intact the four tabs that are on one of the short ends
of the enclosure.
For metric ceilings (600 mm by 600 mm or 600 mm by 1200 mm) cut off the tabs.
Figure 26.
Tabs on the CS 120P
step 4d
on page 22 for details on suspending the enclosure on a
Tabs (4)
CS 3T and CS 120P User Guide • Installation
on the next page and
Removable
Tabs
18
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