FireFinder
™
Installation Commissioning & Operation
Page 15
5.15 Connecting a Bell / Sounder to the Brigade / PSU Monitor Board
Sounders are connected to the Brigade / PSU Monitor Board as shown below. If more sounders are
required, the Sounder / Bell Control Board ( 302-7420 ) must be used.
Bell 1
Bell 2
TB3
Brigade/PSU
Monitor Board
EOL
10K
Ohms
Un-used O/P's must
be terminated in
10K Ohms EOL
+ -
+
-
TB3 is located on the top
left hand side of the board
Note: If a diode is NOT fitted
internally to a bell / sounder a
diode MUST be fitted as
shown - fit 1N4004 or similar
Note:
Outputs are fused
@ 2Amps ( F2, F3 )
Figure 16: Sounder / Bell Wiring ( Diagram 1 )
A
u
xiliar
y
Sounder
TB5
TB4
Brigade/PSU
Monitor Board
EOL
10K
Ohms
Wa
rn
in
g
S
y
st
em
EOL
10K
Ohms
NO
C N
C
+
-
NO
C N
C
+ -
TB4 & 5 are located on the top
left hand side of the board
Note:
1. NO C NC are 1A voltage free contacts
2. + / - are monitored / fused 1A outputs
Un-used O/P's must be terminated in
10K Ohms EOL
Note: If a diode is NOT fitted
internally to a bell / sounder a
diode MUST be fitted as
shown - fit 1N4004 or similar
Figure 17: Use of Warning System Control for Sounder / Bell Wiring ( Diagram 2 )
5.16 Warning System Connections
Warning systems such as the EV20 and EV40 are connected to the Brigade / PSU Monitor Board as
shown below.
Monitored
EOL
Required
Auxiliar
y
TB4
Brigade/PSU
Monitor Board
EOL
10K
Ohms
NO
C
NC
+
-
NO
C N
C
+
-
TB4 & 5 are located on the top
left hand side of the board
Note:
1. NO C NC are 1A voltage free contacts
2. + / - are monitored / fused 1A outputs
Un-used O/P's must be terminated in
10K Ohms EOL
TB5
Warning System Alarm
Figure 18: EV20 / EV40 Warning System Cabling ( Alternate to Sounder / Bell Wiring )
5.17 Brigade / PSU Monitor Board Relay Output Connections
The relay contacts are connected as shown below.
Brigade/PSU
Monitor Board
TB10
TB9
TB8
TB7
TB6
TB10 to TB6 are located on the
lower left hand side of the board
C
NC
NO
1A Un-monitored
Voltage Free Conacts:
NO: Normally Open
NC: Normally Closed
C: Common
NO C NC
NO C NC
NO C NC
NO C NC
NO C NC
NO C NC NO C NC
NO C NC
NO C NC
+ -
FAULT
ISOLATE
ALARM
VALVE MON
BATT FAIL
M2 3
M2 7
M2 6
M 2 4
+ -
= 1A monitored output and
must be terminated in EOL
EOL
10K
Ohms
Note 1:
Note 2:
Figure 19: Relay Outputs
Summary of Contents for SP Series
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