Operation - Dometic BUTTNER MT LB30 Instructions De Montage Et De Service

➤To connect the charging booster proceed as
shown in fig. e, page 9.
Parallel connection of two charging
boosters (fig. f, page 10)
Connection variant, if very high loads occur (e.g.
air conditioning operation) or for large battery
groups to increase the charging power.
!
CAUTION! Fire hazard
Ensure that the recommended cable
cross-sections, cable lengths and fuses
are doubled according to the higher
charging currents that may occur.
I
NOTE
Parallel connection is only permissible if
the devices are of the same type and
capacity.
➤Set the DIP switch position (fig. f 1, page 10).
➤To connect the charging boosters in parallel
proceed as shown in fig. f, page 10.

Operation

I
NOTE
Use a small screwdriver to carefully move
the DIP switches to the required position.
Setting the charging program
A
NOTICE! Damage hazard
Only use batteries that are suitable for the
specified charging voltage.
I
NOTE
• Select the charging program suitable
for the type of house battery used
based on the manufacturer's specifica-
tions, the information in the table
below and the technical data (see
chapter "Technical data" on page 26).
• The specified charging times apply to
an average ambient temperature of
20 °C.
➤Slide the DIP switches (fig. 1 3, page 3) to the
position shown in the table below to set the
charging program (OUT) for the respective type
of house battery.
DIP
switch
position
(gray)
B1B2
B1B2
B1B2
B1B2
Setting the operating mode
Depending on the operating mode set, the
charging booster is activated via the D+ signal or
the voltage at the starting battery.
➤Slide the DIP switches (fig. 1 2, page 3) to the
position shown in the table below to set the
operating mode (IN).
I
NOTE
• If the charging booster is activated via
• To activate a change of the settings,
4445103799
Desired charging program
Lead-acid batteries/ AGM 1 batteries
(14.4 V) (fig. 9, page 6)
• U1: 14.4 V (0.5 – 4 h)
• U2: 13.5 V
AGM 2 batteries (14.7 V)
(fig. 0, page 6)
• U1: 14.7 V (0.5 – 4 h)
• U2: 13.6 V
Lead gel batteries (14.4 V)
(fig. a, page 6)
• U1: 14.4 V (4 – 10 h)
• U2: 13.8 V
LiFePO4 batteries (14.4 V)
(fig. b, page 6)
• U1: 14.4 V (0.3 – 1 h)
• U2: 13.8 V
the D+ signal, the starting battery can
be discharged when the ignition is
switched on and the engine is not run-
ning. Use a D+ active simulator if no
D+ signal is available.
disconnect the device temporarily
from the power supply, the starting
battery and the house battery.
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