Toa PC-391T - Manual (Page 2)

4. INSTALLATION
WARNING
When using an electrical box, be sure to use the
optional YC-150, YC-150E or equivalent.
Doing otherwise may cause the unit or
component to fall off, resulting in personal injury.
Note
Ensure that the electrical box mounting surface is
recessed 3 – 30 mm from the wall surface.
[View with the speaker installed in a wall]
Screw terminal block Electrical box
(YC-150/150E or equivalent)
Wall surface
Speaker panel
44
13
5
3 – 30
(Distance from wall surface)
Unit: mm
Note: Figure shows the PC-391T.
Step 1. Route the cables from the electrical box and
connect them to the screw terminal block on
the speaker unit.
White
Hot
Common
Speaker unit
Black
Brown
Power amplifier T
o
other speaker
White
Hot
Common
Speaker unit
Black
Brown
Power amplifier T
o
other speaker
White
Normal
Emergency
Common
Red
Black
Speaker unit
Power amplifier T
o
other speaker
Hot
Common
White
Red
Black
Speaker unit
Power amplifier T
o
other speaker
Step 2. Mount the speaker unit to the electrical box
using the 4 supplied screws M4 x 35.
Step 3. Attach the speaker panel to the speaker unit
using the 4 supplied screws M3 x 10.
Oval head countersunk
screw M3 x 10 (accessory)
Machine screw M4 x 35*
(accessory)
Speaker unit
Electrical box
Speaker panel
2
3
Note: Figure shows
the PC-391.
140
82
50 or
mor
e
Unit: mm
WARNING
To tightly hold the tapping screws in place, the
wall material should be of strength equivalent to
that of 5 mm or more thick plywood. Ensure in
advance that the installation location can
structurally support the weight of the speaker.
Doing otherwise may result in the unit falling
down and causing personal injury and/or property
damage.
5. VOLUME CONTROL (PC-391T only)
Adjust the sound volume using the
slide switch on the speaker panel.
[Wiring diagram for the
PC-391 (1 W)] [Wiring diagram for the
PC-391 (3 W)]
[Wiring diagram for the
PC-391T (3-wire system)] [Wiring diagram for the
PC-391T (2-wire system)]
* When using an electrical box other than
our YC-150 or YC-150E, use screws that
are appropriate for that electrical box.
Note
The PC-391 or PC-391T can be flush mounted to the
wall without using an electrical box. In this case,
make a mounting hole in the wall as shown below.
When installing the speaker to a wooden wall, use
the supplied tapping screws.
3
2
1
0
VOLUME
CONTROL
Position of Switch Volume
3 0 dB
PC-391T
2 -6 dB
1 -12 dB
0 OFF
3
2
1
0
VOLUME
CONTROL
133-01-444-0C
URL: http://www.toa.jp/