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Connection Plan
（option)
13.3V
LCD Meter
+
-
Total capacity of panel
MPPT5012A-DUO max.165W
MPPT5025A-DUO max. 350W
Batter y selection
Note:
The connection plan shows the maximum terminal assignment for operation of all existing functions of the solar
controller. The minimum terminal assignment consists of the solar panel inputs ("+" and "-") and the connections of
the main battery.
Always connect the fuses as close as possible to the batteries (cable protection!).
Required Cable Cross Sections,
+/- Panel cables, length as required
+/- Battery I cables, length max. 2 m
Fuse close to battery I
Connection
*The polarities ( + and - ) of solar panel and batteries are absolutely to be observed!
Observe the cross-sections and length measures of the cables!
!
*Connection of the solar controller to the battery "Board I" should be effected first. Cable
Protection:
the fuses near the batteries into the + cables (protection against cable fire)!
*The solar panels should be protected from direct sunlight (by covering or shading) prior to connection.
+
Ⅰ
Ⅱ
Ⅰ
Ⅱ
- -
main
START
+
+
+
Battery 12V
-
+
Ⅰ
Vehicle
Main
chassis
main battery
Notes
MPPT5012A-DUO
2.5-4 mm 2
2.5-4 mm 2
15 A
1 2 3 4
GEL
↑
↑
Lead Acid
↑
AGM2
↑
↑
↑
LiFePO4
Battery type
Temp.senser
Ⅰ
Ⅰ
MAIN
MAIN
5A
-
Ⅱ
START
Main battery
motor battery
Temperature
(option)
Sensor
(option)
Battery type
1 2 3 4
↑
GEL
Lead Acid
AGM2
↑
LiFePO4
MPPT5024A-DUO
6-10 mm 2
6-10 mm 2
30 A
Select the battery
type of mai battery
(See Battery type table)
NOTE:
Install the solar controller near
the main battery
+
↑
↑
↑
↑
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