E
N
C
A
R
A
V
A
N
S
P
D
U
-5
2
7
25%, 50%, 75%, and 100% input. The NC stands for "not connected", meaning
it doesn't require an input.
B – 4 stage level 2, the same as the 4 stage level 1 sensor, sensors
connected to base and individual sensors to the 25%, 50%, 75%, and 100%
input.
Cables: Red goes to the base input, black goes to the rest of the inputs
(25%, 50%, 75%, 100%).
4.6
Batteries, Chargers, Ground, Main Switch
A - starter battery, (current: 50A).
B – main battery, (current: 50 A) – has the same current as the solar panel,
charger.
C – charger, (current: 40 A) – connect to the main battery and main ground
(GND). The charger has the same current as the solar panel and the main
battery.
D – solar charger, (current: 16A).
E – ground – connect each module that requires to be grounded to the
GND.
F - Manual main switch, turn the power of the SPDU-52 ON or OFF.
Note: Charger, solar panel and main battery all have the same current.