Extron Electronics SI 3C LP User Manual

SI 3C LP

Ceiling Speaker

User’s Guide

Frame Construction Ceiling Installation

1

Take the cutout template from the packaging box and
punch out along the larger perforated circle. Place the
cutout template against the ceiling and trace along the inside
circle. Carefully cut out the ceiling material along the circle.

Cut material.

Trace template.

2

The side terminal cover, as shown in step 3f, must first
be removed before wiring the speaker.
Loosen the single top screw of the side terminal cover and
pull the side terminal cover straight out. See the illustration
below.

Loosen
screw.

Side Terminal
Cover

c. Insert the conduit(s) into the knockout opening(s) and
secure the conduit to the cover with the locking nut.

N Installation in a plenum-rated environment
requires a wire gauge of 14 AWG to 18 AWG.

d. Pull the speaker wires from the conduit, strip 0.2" (5 mm)
from the wire ends (do not tin the wires), and secure the
wires into the 4-pole captive screw connector.

To connect speakers in parallel, see the
wiring diagram below.

4-pole Captive

Screw Connector

Power Amplifier

Speaker 1 Speaker 2

e. Bring the speaker up to the bottom of the hole in the
ceiling.

f. Plug the wired connector from step 3d into the speaker’s
audio input connector. Secure the top terminal cover
with the two top screws that were loosened in step 3a;
hook the side terminal cover to the top terminal cover; and
secure the side terminal cover in place with the screw that
was loosened in step 2.

Side View of Input Terminal

3

a. Remove the top terminal cover (see the illlustration in

step 3f) by loosening (do not remove) both top screws,
sliding the top terminal cover away from the screws, and
removing the cover, as shown here.

Loosen
two screws.

Top Terminal
Cover

Knockout

b. Remove the knockout(s) from the top terminal cover
depending on the direction from which the conduit(s) will
be entering the cover.

See NOTE below.

Top Terminal

Side Terminal
Cover

Cover

N Installation in a plenum-rated environment
requires a wire gauge of 14 AWG to 18 AWG.

4-pole Captive

Screw Connector

33-1351-01

Rev. B

IN

LOOP IN LOOP

Front View of Input Terminal

68-1469-01 Rev. B

11 07

1