VOLTIMA SCD 12 - Page 27

Connection Plan
The connection plans show 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 to the main
battery.
SCN 20 MPPT & SCN 40 MPPT
FuseA
30
Solar Monitor
(optional)
Temperature
Sensor
12 V: max. 240 W
24 V: max. 480 W
Required Cable Cross-Sections
SCN 20
SCN 40
+/- Panel Cables, length as required
4-6 mm²
6-10 mm²
+/- Battery I cables, length max. 2 m
4-6 mm²
6-10 mm²
Fuse close to Battery I (Cable Protection)
35 A
60 A
27