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INFORMATION
2.5.17 Electrical diagrams radiator fan control
GENERATOR
Fig. 12: Electrical diagram for standard fan control
using 230V AC radiator fans
BAT.
PUMP
+12V
+12V
1
80-70°C
A2
K1
A1
2
BAT.
–12V
THERMOSTAT COOLER
ENGINE
TERMINAL BLOCK
12VDC
1
2
3
4 5
6
7
+
-
-
5A
CU1,5
CU0,75
CU0,75
45-35?C
80-70?C
18
L1
N
GENERATOR
230VAC (L1)
4
FUSE 5A
FUSE 6.3A
5
6
45-35°C
7
8
A2
K2
A1
3
GENERATOR
230VAC (N)
GENERATOR
FUSE 6.3A
230VAC
8
11
12
13
14
15
16
6,3A
6,3A
5A
5A
CU1,5
CU0,75
CU1.5
CU1.5
M
M
230VAC
230VAC
MAIN CIRCUIT
BREAKER
CIRCUIT
BREAKER
6A
11
14
K1
11
14
11
K2
12
400V
120V
115V
230V
110V
230VAC
0
0
TRANSFORMER
230V/115VAC
200VA
41
K1
42
K2
44
41
44
12
RADIATOR COOLER
JUNCTION BOX AIR FANS
DIMENTION BOX: 270x270x180 MM
Fig. 13: Electrical diagram fan control using 230V
AC radiator fans – with two speeds fans (optional)
January 2009 / W-SQ16 for mobile applications / EN
AC LOAD
AIR FANS
15
16
FUSE 5A
FUSE 5A
230VAC
M
M
13
14
RADIATOR COOLER
ENGINE
GENERATOR
TRAFO
230/115VAC
200VA
12VDC
K1
K2
230VAC
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