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EN54 FIREFINDER PLUS INSTALLATION,COMMISSIONING & OPERATION
4.6.2 Connecting 5 AMP Power Supply
Output Voltage: 27.4 Volts.
FUSE Rating: 2 Amp 3AG Slow Blow
Mains cable should be no less than 0.75mm
POWER CABLE
BROWN (ACTIVE)
BLUE
(NEUTRAL)
LED1
DC 27V
TO PANEL
EARTH (GREEN)
LN
GND
V-
V ADJ
FUSE
EARTH GREEN
TO CHASSIS EARTH
TERMINAL
V+V+ V-
Figure 7: Mains Power Connection to the 5 AMP Power Supply
4.6.3 Connecting 18 AMP Power Supply
Output Voltage: 27.4 Volts.
FUSE Rating: 5 Amp 3AG Slow Blow
Mains cable should be no less than 0.75mm
DC 27V TO BRD85CLFB
V ADJ
(AC) (AC)
+
(AC)
BLACK
RED
+27V 18A+S
-V
-S
L N
( AC )
FG
NC
NC G
RC
EARTH GREEN
TO CHASSIS EARTH
TERMINAL
F5
F4F3
F2F1
CN5
CN4
CN3
CN2CN1
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 0V
+27V
0V
BRD85CLFB
POWER CABLE
BROWN (ACTIVE)
BLUE
(NEUTRAL)
EARTH (GREEN)
FUSE
Figure 8: Mains Power Connection to the 18 AMP Power Supply C/W Current Limit Board
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