Dometic Buttner MT BCB 30/30/20 IU0U Instructions De Montage Et De Service page 23

• Connect the negative terminal of the house bat-
tery to the negative terminal of the starting bat-
tery or to ground (chassis) (fig. g 2, page 8 to
fig. k 2, page 12).
• Connect a signal lamp to Ntz (fig. g 3, page 8
to fig. k 3, page 12). The signal lamp can be
used as a mains detection signal, e.g. when the
charger is deactivated.
Determine cable cross-section
MT BCB30/30
Cable cross- Cable length
section START+
4 mm²
6 mm² < 5 m
10 mm² < 8 m
16 mm² < 12 m
MT BCB40/40
Cable cross- Cable length
section START+
6 mm²
10 mm² < 5 m
16 mm² < 9 m
25 mm² < 14 m
MT BCB60/40:
Cable cross- Cable length
section START+
6 mm²
10 mm²
16 mm² < 7 m
25 mm² < 10 m
For insulated
assembly:
Cable length
– battery
– –
< 5 m
< 8 m
< 12 m
For insulated
assembly:
Cable length
– battery
– –
< 5 m
< 9 m
< 14 m
For insulated
assembly:
Cable length
– battery
– –
– –
< 7 m
< 10 m
• Protect the positive cable of the house battery
with a fuse
cross-section" on page 23).
• Protect the positive cable of the starting battery
with a fuse
cross-section" on page 23).
Cable length
Cable fuse ΙΙ
COM–
– 0.5 – 1.5 m
50 A 1.0 – 2.5 m
50 A 2.0 – 4.0 m
50 A 3.0 – 6.0 m
Cable length
Cable fuse ΙΙ
COM–
– 0.5 – 1.5 m
80 A 1.0 – 2.5 m
80 A 2.0 – 4.0 m
80 A 3.0 – 6.0 m
Cable length
Cable fuse ΙΙ
COM–
–
– 0.5 – 2.0 m
100 A 1.5 – 3.0 m
100 A 2.5 – 5.0 m
4445103619
Ι
(see chapter "Determine cable
ΙΙ
(see chapter "Determine cable
Cable length
BORD+
0.5 – 1.5 m
1.0 – 2.5 m
2.0 – 4.0 m
3.0 – 6.0 m
Cable length
BORD+
0.5 – 1.5 m
1.0 – 2.5 m
2.0 – 4.0 m
3.0 – 6.0 m
Cable length
BORD+
– –
0.5 – 2.0 m
1.5 – 3.0 m
2.5 – 5.0 m
Cable fuse Ι
40 A
40 A
40 A
40 A
Cable fuse Ι
60 A
60 A
60 A
60 A
Cable fuse Ι
–
80 A
80 A
80 A
23