Electrical Installation
8
4 Electrical Installation
CAUTION – RISK OF ELECTRIC SHOCK:
Only qualified individuals should perform power
routing and termination to the system. Electrical contractors are responsible for ensuring
that all electrical work meets or exceeds local and national codes. Failure to follow
installation guidelines will result in audible noise on the sound system and possible
damage to internal components.
Note:
This product is not provided with mains disconnect. Customer shall provide
disconnect at amplifier rack location that meets or exceeds local and national
electrical codes.
Power/Signal Connections
Reference Drawings:
Riser; SSN-250; Power and Signal Layout........................................................
DWG-3554927
F. Assy; Wall Mount Amp Rack; CXD4.3; SSN-250 ..........................................
DWG-3750728
SSN-250; QSC CXD4.3, Speaker Schematic ...................................................
DWG-3822601
DWG-3822601
details the wiring connections between the control enclosure and speaker
cluster.
DWG-3554927
shows equipment locations in a typical gym.
Signal IN
1�
Install an XLR signal input plate (part # EC-1244)
near the announcer’s location. The installation
subcontractor is responsible for providing a
1-gang receptacle box to mount the signal
input plate.
2�
Terminate 1 pair, 22 AWG
signal cable (part #
W-1615) to the signal input
plate (
the table at right.
3�
Route signal cable in conduit from the signal
input plate to the control enclosure.
4�
Unlock and open the door of the control enclosure, and
terminate the signal cable to
TRX1
, as shown in
,
DWG-3750728
, and the table at right.
Note:
If there is another control location, signal may also be connected to TRX2.
Figure 6:
Signal Input Plate
Figure 7:
Signal Termination
SHIELD (GRN)
– (BLK)
+ (RED)
6
5
4
3
2
1
Pin 1:
Shield (GRN)
Pin 2:
+ (RED)
Pin 3:
– (BLK)
