INFORMATION
18
January 2009 / W-SQ12 for mobile applications / EN
2.5.17 Electrical diagrams radiator fan control
TERMINAL BLOCK
GENERA
TOR CONT
ACT
PUMP (PCB)
THERMOST
AT
GENERA
TOR
THERMOST
AT
ENGINE
RADIA
TOR
COOLER
GENERA
TOR
BA
TTER
Y
23
0V
A
C
E
N
G
IN
E
RADIA
TOR
COOLER
GENERA
TOR
12VDC
M
230VAC
M
230VAC
5A
16
CU1,5
+
1
-
2
CU0,75
80-70?C
CU0,75
45-35?C
CU0,75
6
-
3
5A
4
5
8
7
CU1,5
230VAC
CU1.5
6,3A
11
6,3A
12
14
13
15
5A
CU1.5
DIMENTION BOX: 270x270x180 MM
JUNCTION BOX AIR FANS
12VDC
K1
K2
230/115VAC
200VA
TRAFO
230VAC
Fig. 13: Electrical diagram fan control using 230V
AC radiator fans – with two speeds fans (optional)
FUSE 5A
FUSE 6.3A
FUSE 6.3A
FUSE 5A
FUSE 5A
15
16
5
6
7
8
13
14
11
1
4
2
3
K2
K1
K2
K1
BAT.
+12V
PUMP
+12V
GENERATOR
230VAC (L1)
K1
BAT.
–
12V
GENERATOR
230VAC (N)
230VAC
230VAC
45-35
°
C
80-70
°
C
THERMOSTAT COOLER
ENGINE GENERATOR
RADIATOR COOLER
ENGINE
RADIATOR COOLER
GENERATOR
K2
12
A2
A2
A1
A1
11
11
14
14
12
41
41
42
44
44
230V
120V
115V
110V
0
0
TRANSFORMER
230V/115VAC
200VA
400V
M
M
GENERATOR
L1
N
MAIN CIRCUIT
BREAKER
AC LOAD
CIRCUIT
BREAKER
AIR FANS
6A
Fig. 12: Electrical diagram for standard fan control
using 230V AC radiator fans