User manual

Operating Instructions for Solar Charge Regulator LRM 1218
6
Date: 21.04.2015 822.213 BA / EN
Fault RemedyPossible cause
Batteries are not being Defective batteries Have t he batt er i es checked
g
charged
If batteries are in perfect
working order: Solar
charge regulator defective
Contact customer service
Defective electroblock Contact customer service
Defective wiring Have the wiring checked
Yellow LED flashing Output stage disabled (re-
gulator not being used)
due to overcurrent or over-
voltage
Incorrect solar module (or
too many solar modules)
connected (input power
too high) -- contact custo-
mer service
SDT ... bus system
fault messages:
E270 No LRM 1218 on bus Check bus wiring
Contact customer service
E271 Battery temperature sen-
sor short-circuit*
Check wiring/
connector
Contact customer service
E272 Battery temperature sen-
sor cable break or defec-
tive sensor*
Check wiring
Replace sensor
E273 Overload/overcurrent and/
or overtemperature
Incorrect solar module (or
too many solar modules)
connected (input power
too high) -- contact custo-
mer service
*The temperature value available on the bus is used as an alternative for bus sy-
stems with another battery temperature sensor (such as a HELLA battery sensor).
5 Technical details
5.1 Mechanical d etails
135x48x90(WxHxDinmm)
360 g
Plastic, blue (RAL 5010)
5.2 Electrical details
12 V DC
Up to 20 A for leisure and starter battery together;
leisure battery has priority;
e.g. only leisure battery for solar power 275 W:
F 20 A @ 13.2 V leisure battery voltage
F 18 A @ 14.4 V leisure battery voltage
6-cell lead batteries, 55 Ah and above (lead-acid, lead-gel, AGM)
F 36-cell modules as a minimum
F Off-load voltage 20 ... 32 V
F Maximum total capacity of solar modules 275 Wp
Dimensions
Weight
Casing
Nominal voltage
Charging current
Suitable batteries
Suitable solar modules