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Pelco Installation Manual C2429M (3/01) 5
b. Turn the thumbscrew 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.
00535
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. Insert the
two 8-32 x .275-inch screws to secure
the back box to the mount ring.
SPRING CLIP
8-32X.275 INCH SCREW
00537
STEP 3 - INSTALL THE BACK BOX
INSTALLATION IN-CEILING MODEL
STEP 1 - PREPARE CEILING
a. Locate the center point of the mount-
ing location. Drill a hole in the ceiling
using a 3/32-inch drill.
c. Use the mounting ring as a template
and mark the hole pattern onto the
mounting surface. Prepare the holes.
STEP 2 - INSTALL THE MOUNTING PLATES
Use the eight 10-32 x 3-inch screws (supplied) and install the mounting ring and
two back mounting plates.
00530
00531
b. Insert the compass tool into the hole.
Draw a circle on the ceiling using the
compass tool and a pencil. Cut the
circle out of the ceiling.
00532
CEILING
MOUNTING
RING
S
00533
ATTACH SAFETY CHAIN HERE
00534
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).
c. Install fasteners through the mount ring,
ceiling and out the back mounting plate.
d. Install second back mounting plate.
a. Line up the mount ring with the eight
fastener holes.
b. Feed one back mounting plate through
the hole in the ceiling and line up with
four fastener holes.