P84577 G
Sheet 8 of 14
1.
Mount the Splitter Mounting Bracket (SPMB4Z) to the SPB-160 or SPB-80/4 according to the SPMB4Z installation
instructions (P84252).
2.
Position the SP4-APS PC board with the main terminal blocks pointing to the top of the Audio Booster enclosure. Align
the mounting holes on the PC board with the mounting studs.
3.
Screw the male end of the 4 cover standoffs through the SP4-APS PC board and to the 4 Locking Female Spacers on the
SPMB-4Z. Tighten standoffs snug plus 1/4 turn.
4.
Attach wiring and set switches in accordance with this installation instruction and the defined configuration.
5.
Align the SP4-APS cover with the holes in the cover spacers and mount the cover using the 4 mounting screws. Tighten
the screws hand tight.
6.
Repeat Steps 2 through 5 when installing second splitter in the SPB-160 Audio Booster.
NOTE
: One SPMB-4Z mounting bracket can support two SP4-APS splitters.
5.2 SPB 80/4 AND SPB-160 WIRING
Figure 11 shows the correct wiring of the splitter to the SPB-160. Wiring a single splitter to the SPB-80/4 uses the same
procedure.
Figure 11 also shows the proper separation of Power Limited and Non-Power Limited wiring for the SPB-160 and SPB-80.
N
L
PS
PS
+
_
GN
D
E1
P82798 REV.C
L
W5
W8
SW4
SW1
J2
R23
W1
D28
J1
D33
D24
D22
W10
D27
D26
D32
D31
W3
D77
D76
D34
W4
W6
D75
J3
D59
F2
F1
TB6
TB5
TB4
TB1
TB2
AUX
TRB
TROUBLE
AMP TRB
GF
EXP OPEN
EXP SHORT
AUD1 OPEN
AUD1
SHORT
EXP OUT
AC
AC TRB
BAT TRB
LVL
N
AC IN
DC IN
DC OUT
BATTERY
AUD2 OUT
AUD1 OUT
STB2 OUT
STB1 OUT
EXP OUT
NO CON
C
NO
NC
T
R
B
AUX RET
AUX IN
AUD RET
AUD IN
J4
J5
AUD2 OPEN
AUD2 SHORT
D30
D29
TRANSFORMER
W7
W2
SPB-160, SPB-80/4
PC BOARD
25
70
25
70
25
70
25
70
SPLITTER
ZONES Z1,Z2,Z3,Z4
(Power Limited)
BATTERY
BATTERY
Run Power Limited
Audio wiring above
the top and down the
right side of the
splitter module(s).
EX1 and EX2 are not used when the SP4-APS
is connected to an Audio Booster.
Terminate as follows:
"CLASS A" = Jumper - to - and + to +.
"CLASS B" = UL Listed 10K Ohm EOLR across
each EX zone.
OUT
IN
OUT
IN
OUT
IN
24 VDC
AUDIO
RS-485
ALARM
POWER
TROUBLE
Z1
Z2
Z3
Z4
EX1
EX2
IN
CLASS
B
A
SW
2
SP4-APS
JP
1
NAC
CC
SW1
TB1
TB2
TB7
TB6
TB5
TB4
TB3
JP1
Shorted = 70Vrms
Open = 25Vrms
D3
7
D3
2
D3
6
D3
5
D4
1
D3
3
D4
2
D4
3
D3
8
D3
4
D3
9
D4
0
D44
D45
OUT
IN
OUT
IN
OUT
IN
24 VDC
AUDIO
RS-485
ALARM
POWER
TROUBLE
Z1
Z2
Z3
Z4
EX1
EX2
IN
CLASS
B
A
SW
2
SP4-APS
JP
1
NAC
CC
SW1
TB1
TB2
TB7
TB6
TB5
TB4
TB3
JP1
Shorted = 70Vrms
Open = 25Vrms
D3
7
D3
2
D3
6
D3
5
D4
1
D3
3
D4
2
D4
3
D3
8
D3
4
D3
9
D4
0
D44
D45
SW1 = NAC
Run the Power Limited wiring
along the right side and to the
bottom of the enclosure.
Wire Power Limited circuits
away from Non-power Limited
wiring using the knockouts on
the left side of the panel.
Run Power Limited output
zones away from Non-power
Limited wiring using the
knockouts on the left side of
the panel.
Run Power Limited ALARM wiring from
Splitter #2 IN to Splitter #1 OUT. Run
Splitter #1 IN down the left side, across
the bottom of the enclosure, and up the
right side EXP OUT terminals on the
Audio Booster.
Place Power Limited Splitter
output wire run at least 1/4"
above the top of the splitter
circuit board.
N
L
120VAC INPUT
(Non-Power Limited)
24VDC
(Non-Power Limited)
Run 24VDC Non-power
Limited wiring below the
Splitter module(s) and
away from Power Limited
wiring. Place wire run at
least 1/4" above the top of
the SPB circuit board
Wire Non-Power Limited
circuits using top right
side of the panel.
TB3
STB RET
STB IN
Place Battery wire run
at least 1/4" above
the top of the SPB
circuit board.
STB2 and STB1 are used
on the SPB-80/4 only.
STB IN and STB RET are
used on the SPB-80/4 Only.
(Power Limited)
(Power Limited)
Figure 11:
Power Limited Wiring Diagram
For Connecting Two SP4-APS Splitters To An SPB-160 (Or One To An SPB-80/4).
