DOC212 DC-DC Battery Charger
– Euro 6 (SRCS) Installation Guide
Page
7
of
8
UNCLASSIFIED
– PROPRIETARY – COMPANY CONFIDENTIAL
Battery connection cables should be sized based upon the following table. The length detailed is
based upon the total length from the engine to auxiliary battery banks.
12V 30A Battery Charger
Length (m)*
3.0
4.5
6.0
7.5
9.0
Cable Size (mm²)
6
8.5
16
20
35
Cable Size (AWG)
10
8
6
4
2
*Based upon finely stranded extra flexible high current cable
12V 50A Battery Charger
Length (m)*
3.0
4.5
6.0
7.5
9.0
Cable Size (mm²)
8.5
16
20
35
50
Cable Size (AWG)
8
6
4
2
1
*Based upon finely stranded extra flexible high current cable
Recommended Fuse Ratings
Fuse
Engine battery Auxiliary Battery
Solar Panel
Ignition Switch
12V 30A Charger
50A
40A
15A Per Panel
1A
12V 50A Charger
70A
60A
15A Per Panel
1A
5.6
Wiring Installation:
1.
Remove the DC compartment cover by removing the two screws located on the top surface
of the unit.
2.
Connect one end of the positive wire (red wire) to the CH1 (Auxiliary Battery) charger
positive terminal and the other end to battery fuse. Keep the connection between the
auxiliary battery and charger as short as possible.
3.
Run another positive wire from the fuse to the auxiliary battery positive terminal.
4.
Connect the negative (black) wire and between the CH1 charger negative terminal and the
auxiliary battery negative terminal.
5.
Use the same method to connect to the CH3 (Engine Battery) and CH2 (Solar Array/Panel) if
required.
6.
For vehicles using Smart Regenerative charging systems (SRCS - Euro 6 Compliant), connect
the Ignition Start terminal to the Ignition Switch (KL15) via a 1A fuse.
7.
Place the DC Compartment cover back to the original position and secure the cover using the
two screws provided.