Specifications
Page 58
FIREFINDER SERIES II INSTALLATION, COMMISSIONING &
OPERATION
INITIAL AGENT
(Yellow) Illuminated when the “Initial“Agent is selected.
RESERVE AGENT
(Yellow) Illuminated when the “Reserve “Agent is selected.
Local Control Panel Inhibit
TO INHIBIT AUTOMATIC AGENT RELEASE
LIFT COVER AND PRESS BUTTON
The agent inhibit switch has an internal lamp fitted with yellow lens. Illuminated when the inhibit is
activated at the FACP or any of the LCS’s.
Buzzer (located at the FACP)
The Buzzer sounds;
Under all fault conditions and can be silenced by using the appropriate FACP buzzer silence
control.
When the LCS Inhibit control is activated – after 8 hours – treated as an isolate condition.
When the service inhibit is activated - after 8 hours – treated as an isolate condition
Connecting the LCS to the Agent Termination Board
ISOLATE THE AGENT
Check the FACP is functioning correctly then power down
Connect the LCS to the Agent Termination Board within the Fire Alarm Control Panel and Interlock
as shown below. If applicable take into consideration warning signs at this point
Insert the link LK1 onto the last LCS in the chain. If un-used place the link onto one of the LK1 pins
Set the address of the LCS,
Power up the system and program the FACP for the addition of the LCS
Check the FACP is functioning correctly and test
De-isolate the Agent
Caution - TO PREVENT ACCIDENTAL AGENT RELEASE DO NOT DE-ISOLATE THE AGENT
UNDER ANY CIRCUMSTANCES UNTIL THE SYSTEM AS A WHOLE IS FUNCTIONING
CORRECTLY
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
2
3
4
+27VDC OUT
TO NEXT LCS
+27VDC IN FROM
TERMINATION BRD.
10K
EOL
+
ON
Address
Switch
Set to 1
1 2 3 4
Agent Termination Board
within the FACP
Local Control Station
ONLY USED ON THE LAST
LCS ON THE COMMS BUS
10K
EOL
2K2
INTER
LOCK
INSERT A 2K2 ACROSS
THE 10K EOL TO
DEFAULT TO "ON"
TB4
T1
CN1
LK2
TB2
TB1
SW2
4
3
2
1
LK1
CN5
+
AGENT
MANUAL HOLD/
MANUAL
-
+
RS 485 OUT
RS 485 IN
-
+
RELEASE
0V+24V
CO M
LINK
TERMINATOR
CO M
0V+24V
BRD25ARB5-
INTER-
LOCK
-
JTAG
INHIBIT
SWITCH MON.
DISABLE
INHIBIT
EOL
SIG
SIG
SCR N
27V
0V
+
+
-
TB1
RS 485 COMMS BUS
Figure 77: PCB Layout & Cabling Details