User Guide

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 1226T can

begin.

• Verify if ﬁberglass ceiling tiles are being used (see step4d on the next page and

step10 on page 18 for details).

• The grid face must be at least 15/16 inch (24 mm) for proper installation of the

CS 120P (see step12 on page 19 for details on suspending the enclosure on a

smaller grid face).

Side View

15/16" (24 mm)

Grid Face

Figure24. GridFaceExample

Use the following procedure:

1. Disconnectpower — Power down all attached devices before proceeding.

2. 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.

3. 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.

Tabs (4)

Removable

Tabs

Figure25. TabsontheCS120P

CS26TandCS120PUserGuide•Installation 15