Installation; Wiring Diagram - Truma BCU 120 Operating Instructions & Installation Instructions

Installation

Remove the equipment pack (accessories) and check it is
complete:
1 instructions for installation and use
4 mounting screws
The device should be installed away from damp and wet. The
installation site should be clean, dry and well ventilated.
Securely attach the device using the 4 supplied mounting
screws.
Connection
Before connecting or disconnecting the cables, the
supply lines to the battery and mains supply must be
disconnected!
Battery connection
Connect the device to the battery as shown in the wiring plan.
Ensure the terminals are connected correctly!
Always install the fuses close to the positive terminal of
the battery! Only use the specified cable cross-sections
and fuses of the correct strength!
10

Wiring diagram

1
+12 V / 120 A
12 V
To the consumers
Measuring line
External main switch – not included in the delivery scope
– or
Shunt (wire 0.75 mm²) – or
Connection Panel BCU (120)
* Strip fuse (MIDI-model)
5
4
3
0.75 mm²
0.75 mm²
2