Specifications

Page 10
FIREFINDER SERIES II INSTALLATION, COMMISSIONING &
OPERATION
5 AMP Power Supply
Output Voltage: is set to 27.4 Volts.
Mains cable should be no less than 0.75mm
TO CHASSIS EARTH
TERMINAL
27VDC TO BRIGADE
PSU MONITOR BOARD
EARTH (GREEN)
V ADJ
L(AC)
N(AC)
-V
-V +V
+V
+
(AC)
BLACK
RED
MAINS CORD
BROWN
(ACTIVE)
BLUE
(NEUTRAL)
Fuse is under this cover
POWER SWITCH
(LOOKING AT REAR)
C
1
LO OP
Figure 8: Mains Power Connection to the 5 AMP Power Supply
18 AMP Power Supply
Output Voltage: is set to 27.4 Volts.
Mains cable should be no less than 0.75mm
LOO P
BROWN
(ACTIVE)
DC 27V TO BRD85CLFB
V ADJ
(AC) (AC)
+
(AC)
BLACK
RED
+27V 18A+S
-V
-S
L N
( AC )
FG
NC
NC G
RC
TO CHASSIS EARTH
TERMINAL
EARTH (GREEN)
MAINS CORD
BLUE
(NEUTRAL)
POWER SWITCH
(LOOKING AT REAR)
1
C
F5
F4F3
F2F1
CN5
CN4
CN3
CN2CN 1
HS1
TB1
TB4
Q3
Q1 Q2
RV1
U2
U1
N1236
BRD85CLFB
1A 1A 1A 1A 1A
+ OUTPUT -
+ BATT -
+ PSU I/P -
0V
CN1-5 PINOUT = 0V, +27V, 0V
0V+27V 0 V
+2 7V
0V
BRD85CLFB
Figure 9: Mains Power Connection to the 18 AMP Power Supply C/W Current Limit Board