Dometic Buttner MT BCB 30/30/20 IU0U Instructions De Montage Et De Service page 27

DIP switch position
(gray)
Adapting the charging current
➤Slide the DIP switches (fig. 2 3, page 3) to the
position shown in the table below to adapt the
charging current to the capacity of the house
battery.
DIP switch position
(gray)
Desired charging
program
LiFePO4 batteries
(14.2 V)
(fig. a, page 6)
LiFePO4 batteries
(14.4 V)
(fig. b, page 6)
LiFePO4 batteries
(14.6 V)
(fig. c, page 6)
Model
MT BCB30/30
MT BCB40/40
MT BCB60/40
MT BCB30/30
MT BCB40/40
MT BCB60/40
MT BCB30/30
MT BCB40/40
MT BCB60/40
MT BCB30/30
MT BCB40/40
MT BCB60/40
U1
Full trickle
Full charge
14.2 V
(0.5 h)
14.4 V
(0.3 – 1 h)
14.6 V
(0.3 h)
I
NOTE
• In the case of two or more batteries,
• If two or more batteries are connected
Received capacity
house battery
60 – 150 Ah
80 – 220 Ah
100 – 220 Ah
75 – 180 Ah
100 – 280 Ah
150 – 420 Ah
90 – 220 Ah
120 – 300 Ah
100 – 300 Ah
90 – 300 Ah
120 – 400 Ah
150 – 560 Ah
4445103619
U2
Storage charging
charge
13.6 V
(24 h) (no regeneration)
13.6 V
(24 h) (no regeneration)
13.8 V
(24 h) (no regeneration)
parallel connection is permissible if the
batteries are of the same type, capacity
and age. Connect the batteries diago-
nally.
in parallel, set the total capacity in Ah at
BORD+ terminal.
Charging current
mains operation
20 A
30 A
30 A
20 A
30 A
30 A
30 A
40 A
40 A
30 A
40 A
40 A
U3
13.4 V
13.5 V
13.5 V
Charging current
booster operation
20 A
30 A
45 A
30 A
40 A
60 A
20 A
30 A
45 A
30 A
40 A
60 A
27