16
4445103620
Display panel
Indicator LEDs on display panel
3
TR terminal
Output for controlling a
cutoff relay (connection
variants C, D) or a load
relay (connection
variant E)
4
D+ terminal
Input for D+ signal of the
alternator or ignition lock
signal (terminal 15)
5
Netz
Output for 12 V signal
when connected to mains
(max. 100 mA)
6
BORD+
Connection to positive
pole of 12 V house battery
7
COM–
Connection to negative
pole of the house bat-
tery/chassis
8
START+
Connection to positive
pole of 12 V starting bat-
tery
No in
Designation
1
On/Off button
2
Indicator LEDs
LED
Status
Description
Current
(red)
On
Charging current present;
mains or booster charging
mode; brightness indicates
the intensity of the charging
current
Off
Charging current <0.2 A
No in
fig.
2
,
page 3
Designation
Description
Batt. I
(yellow)
On
House battery is charged in
mains or booster charging
mode
Flashing
• High temperature pro-
tection
• Only LiFePO4 batteries:
Low temperature protec-
tion
(< –20 °C)
Flashing
slowly
• Only LiFePO4 batteries:
Low temperature protec-
tion
(< 0 °C)
Off
No charging
Battery full
(green)
On
House battery fully charged
(100 %); U2/U3 phase
Flashing
Charging process in
U1 phase (lead batteries:
<75 %, LiFePO4 batteries:
<90 %)
Main
Charging
(yellow)
On
Charging process in
I/U1 phase
Flashing
• Over voltage protection
• Only LiFePO4 batteries:
Temperature sensor is not
connected
Batt. II
(yellow)
On
Booster charging mode;
starting battery charges the
house battery
Off
Booster charging not acti-
vated
Power
(green)
On
Voltage present; mains or
booster charging mode
Flashing
slowly
• Safety shutdown (chapter
• Internal device failure
(overheating)
Flashing
in 20 s
interval
Pulsing operation mode
LED
Status
Description
