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EN•5
EN
FUNCTION INDICATIONS
D250SA Explanation
1
The service battery is being charged by the alternator.
2
The service battery is being charged by the solar panel.
3
The service battery is being charged by both the alternator and
solar panel.
4
The service battery is fully charged. The service battery is being
trickle charged by the solar panel.
5
Current saving mode, no charging in progress.
SMARTPASS 120 Explanation
1
SMARTPASS 120
+OUT
+OUT
+IN
Current from alternator to service battery and consumers.
Current from service battery to consumers.
2
SMARTPASS 120
+OUT
+OUT
+IN
Current from alternator to service battery and consumers.
3
SMARTPASS 120
+OUT
+OUT
+IN
Current from alternator to consumers. The service battery is
charged by the D250SA.
4
SMARTPASS 120
+OUT
+OUT
+IN
Trickle charging of the starter battery from the service battery.
CABLE AND FUSE RECOMMENDATIONS
UNIT CABLE
MIN. CABLE SIZE
FUSE
0.5 m
2 ft
1 m
3 ft.
2 m
6 ft.
5 m
15 ft.
10 m
30 ft.
+IN
+IN
4 mm
2
/
AWG12
4 mm
2
/
AWG12
4 mm
2
/
AWG12
6 mm
2
/
AWG10
10 mm
2
/
AWG8
30A
+OUT
4 mm
2
/
AWG12
6 mm
2
/
AWG10
10 mm
2
/
AWG8
30A
4 mm
2
/
AWG12
4 mm
2
/
AWG12
4 mm
2
/
AWG12
4 mm
2
/
AWG12
4 mm
2
/
AWG12
Connector plate*
4 mm
2
/
AWG12
6 mm
2
/
AWG10
10 mm
2
/
AWG8
10 mm
2
/
AWG8
10 mm
2
/
AWG8
+IN
35 mm
2
AWG2
35 mm
2
AWG2
35 mm
2
AWG2
50 mm
2
AWG1
50 mm
2
AWG1
300A
+OUT
+OUT
35 mm
2
AWG2
35 mm
2
AWG2
35 mm
2
AWG2
300A
*If the D250SA and SMARTPASS 120 are installed in different locations and the accompanying connector plate is
not used, please follow the recommendations in the table.
D250SA
SMARTPASS 120
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