2
Installing the Speakers
CAUTION:
•
Installation and service must be performed by authorized personnel only.
•
L’installation et l’entretien doivent être effectués uniquement par du personnel autorisé
1.
Power down
—
Power down all attached devices before proceeding.
2.
Remove the suspended ceiling tile
—
Remove the ceiling tile where the SF 228T Plus will be installed and lay it aside.
3.
Remove the terminal cover plate
— Loosen (do not remove) the two screws in the keyhole slots on the top terminal cover
plate and remove the cover plate as shown below.
8Ω
8Ω
64W
32W
OFF
8W
16W
64W32W
16W
OFF
100 V
70
V
8Ω
8Ω
64W
32W
OFF
8W
16W
64W32W
16W
OFF
100 V
70
V
E
E
E
Keyhole Slots
Terminal
Cover Plate
Loosen but do not remove
the two screws in the keyhole
slots on either side of the
cover plate.
Figure 2.
Remove Terminal Cover Plate
4.
Routing cables through the terminal cover plate
— The cover plate is reversable.
a.
When using flexible conduit
— Insert the conduit into the cover plate opening using an appropriate conduit adapter,
and secure the conduit to the plate, (see the illustration below).
Speaker Terminal
8Ω
8Ω
64W
32W
OFF
8W
16W
64W
32W
16W
OFF
100
V
70 V
E
E
E
E
Terminal Cover Plate
Flexible Conduit Adapter
Flexible Conduit
Secondary Knock-out
Figure 3.
Flexible Conduit Adapter
NOTE:
Installation of conduit and conduit adapters should conform to all applicable building codes and local
ordinances.
