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Table 1: 

Setting of the charging program OUT for type (design) board battery I

 

 

Move the 

2 slide switches

 "Battery Type" 

OUT 12 V

 at the front panel to the desired position for 

board battery "I" 

using a small screw-driver.  The control levers are shown in 

white

 

Battery    

Type 

 

Selector 

Switch 

The charging regulations of the battery manufacturer are absolutely to be observed! 
An operation of the unit at a LiFePO4 battery without BMS Battery Management 

System and without cell equalization charging (balancing) is not admissible! 
The battery temperature sensor

 

must have been installed at the battery

 and must be 

connected to the unit; no function without temperature sensor, LED 

"Main Charging" 

is flashing!

 

If possible, the battery temperature should be kept above 0 °C. 
Note: The possible parallel/floating operation with consumer loads being connected to 

 

the battery is also automatically considered by all charging programs. 

 

 

  "1  LiFePO4": 

Charging program IU1oU2oU3 for makes, such as 

RELION RB100SC

 

 

 

with completely integrated electronic system and safety circuit. 

Otherwise: 

High charging voltage! Operation only with own BMS. 

 

 

Observe the battery capacity and the safety circuit!

 

U1  Main/Full Charging: 

14.60 V  

0.3-1 h 

U2  Full/Trickle Charging: 

13.60 V 

24 h 

U3  Storage Charging: 

13.40 V  

Continuous 

 

  "2  LiFePO4": 

Charging program IU1oU2 for  make 

SuperB

 

SB12VxxE 

 

 

 

as well as make 

GNB / Exide  SL12 xxxHC  with BMS

 

Operation only with own BMS. Observe the battery capacity and the safety circuit! 

U1  Main/Full Charging: 

14.40 V  

0.3-1 h 

U2  Full/Trickle/Storage Charging: 

13.80 V  

Continuous 

 

  "3  LiFePO4": 

Charging program IU1oU2oU3 for

 

 make 

Victron LFP-BMS 12,8 

 

as well as

 

make 

TransWatt  TH 12/xxx

 

Operation only with own BMS. Observe the battery capacity and the safety circuit!

 

U1  Main/Full Charging: 

14.20 V  

0.5 h 

U2  Full/Trickle Charging: 

13.60 V 

24 h 

U3  Storage Charging: 

13.40 V  

Continuous 

 

  "4  LiFePO4": 

Charging program IU1oU2 for  make 

Dometic "eStore"

 

Operation only with own BMS. Observe the battery capacity and the safety circuit! 

U1  Main/Full Charging: 

13.90 V  

24 h 

U2  Full/Trickle/Storage Charging: 

13.50 V  

Continuous 

 

Observe: 

In cooperation with the battery manufacturers, the charging characteristic lines are adapted to the 
indicated battery types and battery capacities (see "Technical Data"), and they are to be observed 

absolutely. 

Therefore, the temperature sensor must imperatively be installed at the negative pole of the battery, as 

described! 
In contrast to the lead battery, the following must absolutely be avoided for a LiFePO4 battery 12 V (4 

cells), even for a short time: 

 

Low voltage of the battery < 10.5 V (< 2.5 V / cell): by disconnection of the load in due time. 

 

Overvoltage of the battery >15 V (>4.2 V / cell): by disconnection of the charging unit in due time.  

The voltage rates of the individual cells can vary due to unavoidable tolerances. 

  Where required, lead batteries should be charged with the programs

:

  

 

"1" for AGM 14.8 V;    "2" for Gel;    "3" for AGM 14.4 V as well as acid lead-acid batteries. 

Summary of Contents for VCC 1212-25 Li

Page 1: ...ery EURO Standard 6 6 plus vehicles information see page 10 table 2 switch position D Battery Port and Charging Programs Charging Port OUT Board battery supply battery depending on battery type and battery manufacturer 4 charging programs selectable adapted to Lithium LiFePO4 batteries see table 1 page 8 Further Characteristics of the Unit The charging voltage is free from peaks and is controlled ...

Page 2: ... lay 12 V 24V cables and 230 V mains supply cables into the same cable conduit empty conduit Check live cables or leads periodically for insulation faults points of break or loosened connections Occurring defects must be remedied immediately The unit is to be disconnected from any connection prior to execution of electrically welding or work on the electric system If the non commercial end user is...

Page 3: ...ctly from the positive pole of the board battery to the terminal Sense Out Recommended in case of a cable length of less than 2 m The terminal Sense Out can be left free 2 For battery temperature control connect the terminals TT Temp Sensor to the delivered temperature sensor Temperature Sensor page7 Input Side 3 Connect the vehicle s starter battery to the large terminals Battery II IN and observ...

Page 4: ...ill result in serious damage of the unit Input and output side of the charging converter are separated by galvanic isolation i e there is no conductive connection between the input II START side and the output I side BOARD Thus the two battery circuits are completely independent of each other and a mutual influence or disturbance is avoided Therefore the minus terminals I and II must imperatively ...

Page 5: ...3 0 6 5 m 30 bis 5 0 m 80 1 5 3 5 m 50 16 mm 2 bis 8 0 m 80 3 0 5 0 m 50 VCC 2412 25 Li VCC 2412 45 Li cross section Pole cable length IN II Motor Batt Fuse A cable length OUT I Main Batt Fuse A cable length IN II Motor Batt Sich A cable length OUT I Main Batt Fuse A 4 mm 0 5 2 0 m 30 6 mm 2 bis 11 0 m 30 1 5 3 5 m 30 0 5 2 0 m 50 10 mm 2 bis 18 0 m 30 3 0 6 5 m 30 bis 10 0 m 40 1 5 3 5 m 50 16 mm...

Page 6: ...e sensor had been connected The temperature sensor must be screwed down to the negative pole of the battery If possible the unit should always be installed as close as possible to the board battery I Observe the cable cross sections and lengths according to the table on page 5 Possibly existing cables which do not have the required cross sections must be adapted to the minimum requirements in any ...

Page 7: ...charging will be resumed as soon as the battery temperatures are normal After more than 10 hours overtemperature of 50 C a forced disconnection of the unit will be effected for reasons of safety Below 0 C the charging current will be reduced more strongly for battery protection and longer charging times can be expected The unit recognizes automatically a missing sensor cable break or short circuit...

Page 8: ...HC with BMS Operation only with own BMS Observe the battery capacity and the safety circuit U1 Main Full Charging 14 40 V 0 3 1 h U2 Full Trickle Storage Charging 13 80 V Continuous 3 LiFePO4 Charging program IU1oU2oU3 for make Victron LFP BMS 12 8 as well as make TransWatt TH 12 xxx Operation only with own BMS Observe the battery capacity and the safety circuit U1 Main Full Charging 14 20 V 0 5 h...

Page 9: ...LION RB100SC or LiFePO4 batteries with high charging voltage Imperatively observe the charging regulations and capacity rates of the manufacturer Switch Position Charging program 2 LiFePO4 IU1oU2 Adapted to Super B SB12VxxE GNB Exide SL12 xxxHC with BMS of the indicated capacity rates Switch Position Charging Program 3 LiFePO4 IU1oU2oU3 Adapted to Victron LFP BMS 12 8 TransWatt TH 12 xxx of the in...

Page 10: ...ly laid line Sense In is not required A wire jumper must be laid from IN to Sense In Note A continuous signal at Kl 15 D without running motor might discharge the starter battery Increase of the charging capacity 13 40 V 26 8 V Reduction of the charging capacity 12 80 V 25 6 V Switching off threshold charging converter 12 20 V 24 4 V 30 sec D Vehicles according to EURO Standard 6 6 and for paralle...

Page 11: ...rging capacity If the voltage drops below the Switching off threshold charging converter for 30 sec the charging converter will be switched off automatically As soon as the voltage exceeds the threshold increase of the charging capacity the converter will be switched on and the capacity will be increased gradually until the required maximum charging capacity is reached A reduction of the charging ...

Page 12: ...ard battery I OUT Charging converters protect themselves against connection of excessive battery voltage rates or they are switched off in case of defective additional charging systems solar systems generators etc switching threshold 15 5 V 31 0 V delay 20 s Reset by battery 12 75 V 25 5 V or by disconnection of the control signal D or Kl 15 Input overvoltage protection at the starter battery II I...

Page 13: ...g phase U1 4 During the phase U1 full charging cell equalization charging LED Main Charging is lighting the battery voltage will be kept constant on a high level The green LED Battery Full is flashing at first short flashing with rising charge increasingly longer flashing and gentle charging of the additional high battery capacity The charging converter controls the charging time as well as the ch...

Page 14: ...he voltage for the starter battery will not be displayed if the charging converter had been switched off In this case the terminal EBL START In is to be connected to the voltage of the starter battery If possible the unit should always be installed as close as possible to the board battery I Observe the cable cross sections lengths and fuses according to the table on page 5 Possibly existing cable...

Page 15: ...nnections Sense In and EBL Start In must be bridged to ensure that the starter battery will also be charged during mains charging mode Determined by the system the voltage of the starter battery will not be displayed correctly at the EVS during driving If possible the unit should always be installed as close as possible to the board battery I Observe the cable cross sections lengths and fuses acco...

Page 16: ...3 fold 3 fold Safety Protect ag Reverse Batt Short circuit Back Discharge Yes Yes Yes Yes Safety Timer per Charging Phase I U1 U2 Yes Yes Yes Yes EBL START In EVS Measuring Input Charging Port Yes Yes Charging Trickle Charging for Starter Battery 12 V 0 3 A 0 3 A Overcharge Protection Yes Yes Safety Protect ag Reverse Batt Short circuit Back Discharge Yes Yes Fitting Position of Unit any any any a...

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