11
120 Series Loudspeakers and Sounder
Installing the Product
This product must be installed and maintained only by qualified per-
sonnel who have received the relevant training. During installation
ensure that all external screw threads and flameproof faces are suit-
ably greased. Recommended torque on all external fixings is 5 N • m.
Check details on the label to ensure the unit is of the correct electrical
rating and hazardous area classification.
Ensure the unit is securely mounted using the supplied bracket. Use
M12 for the center hole and/or 2 x M6 in the outer holes (Figure 2).
You can adjust the angle of the loudspeaker by using the external
ratcheted brackets on each side of the body (Figure 3 on page 12).
Figure 2 Dimensions of mounting bracket
290A6061
MOUNTING
HOLE
7.0 mm DIA.
CABLE HOLE
13.0 mm DIA.
60.0 mm
30.0 mm
30.0 mm
MOUNTING
HOLE
7.0 mm DIA.
Accessing the Terminals and Glands
To access the cable terminals remove the end cap by first remov-
ing the four M5 socket-head cap screws (Figure 3 on page 12).
The M20 gland entry is located in the main enclosure. Ensure the
cable is terminated in accordance with the gland manufacturer’s
instructions using approved cable glands. Any unused entry must
be sealed with a suitably certified stopper plug.
NOTE: Loudspeakers in close proximity must be connected in the
same phase.
