Figure 3-4 Removable Terminal Block; Figure 3-5 Power Limited And Non-Power Limited Wiring - Wheelock SAFEPATH4 Application, Installation, Operation, And Maintenance Manual

Field Wiring Connections
NOTE: The terminal blocks on the Audio Booster are removable. To remove a terminal block,
pull the block straight up from the circuit board, as shown in Figure 3-4. Attach wires to the
desired connections, then plug the terminal block back on the board being careful to match the
pins.
4. Install field wiring in conduit when required, following the most current National Electrical
Code (NFPA-70) and local codes for the type of system being installed. Make all necessary
connections at any additional wiring or junction boxes. Separate power limited and non-
power limited wires. Wiring shown in Figure 3-5 is recommended.
WIRE POWER LIMITED AWAY
FROM NON-POWER LIMITED
WIRING. USE KNOCKOUTS ON
THE LEFT SIDE OF THE PANEL,
OR RIGHT SIDE BOTTOM.
Power Limited and Non-Power Limited Wiring
CAUTION: Provide proper strain relief for all wiring not in conduit.
NOTE: Shielded wire is not required on any circuit. If shielded wire is used, connect the shields
to the ground terminal strip.
Figure 3-4
Removable Terminal Block
P82798 REV.
TRANSFORMER
J1A J4
25
70
AUD2 OPEN
D30
W7
AUD2 SHORT
TB2 W2
D29
AUD IN
AUD1
SHORT
AUD RET
J2
R23
AUX
1 D32
25 TRB
AUX IN
70 D28
AUD1 OPEN
TROUBLE D31
AUX RET
D24
SW1
W1
W3
D22
EXP SHORT
AMP TRB D77
EXP OPEN
SW4
TB3
W10
STB IN D34
STB RET W8
W5
12VDC 12AH
BATTERY
Figure 3-5
120VAC INPUT
NON-POWER LIMITED
C2A
F2
TB1
N
AC
L
TB4
DC IN
D59
DC OUT
F1 AC
BATTERY
D60
AC TRB POWER
D27 J3
25
70
D26
BAT TRB
J5
25
70
TB5
AUD2 OUT
AUD1 OUT
STB2 OUT
STB1 OUT
PC BOARD
TB6
EXP OUT
NO CON
D76
C
T
GF
NO
R
NC B
W4 W6 EXP OUT
D75
12VDC 12AH
BATTERY
24VDC
POWER SUPPLY
(SAPS)
GROUNDING
TERMINAL STRIP
BATTERY WIRES (SUPPLIED)
ON TOP OF PC BOARD. ALLOW
SUFFICIENT SEPERATION FROM
COMPONENTS ON PC BOARD
WIRE TROUBLE RELAY CONTACTS
TO POWER LIMITED SOURCE.
WIRE POWER LIMITED AWAY
FROM NON-POWER LIMITED
WIRING. USE KNOCKOUTS ON
THE LEFT SIDE OF THE PANEL,
OR RIGHT SIDE BOTTOM.
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