8Pelco Installation Manual C1487M-H (1/01)
SUSPENDED CEILING INSTALLATION
IN-CEILING MODELS
STEP 1 - PREPARE CEILING TILE
NOTE: The ceiling tile cannot be thinner than 0.50-inch (1.27 cm) or thicker than 1.75-inches (4.45 cm).
a. Remove the ceiling tile from the ceiling. Insert the compass tool (supplied) into the center of the tile. (If necessary use a 3/32-inch bit
to drill a hole.)
b. Draw a circle on the tile using the compass tool and a pencil. Cut the circle out of the ceiling tile.
STEP 2 - INSTALL THE BACK BOX
a. Attach the conduit fitting, lock nut, and safety chain bracket.
Install a safety chain/cable (not supplied) that will support up
to 16 pounds (7.3 kg).
b. Turn the thumb screw and open the hinged door to the back
box. Pull wiring into the back box through the conduit fitting.
Refer to Tables A and B in the Appendix for wiring distances.
ATTACH SAFETY CHAIN HERE
c. Compress the spring clips on the back box and push it through
the hole, until the clips spring back. Tighten the screws until
you hear a clicking noise.
d. Install the ceiling tile with the back box. Attach a T-rail clip on
each side of the ceiling tile. Fasten the L-bracket to the clip
with the supplied screw and washers.
CEILING TILE
T-RAIL CLIP
FOR
CEILING TILE
T-RAIL CLIP
FOR
CEILING TILE