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3

 

"AGM  2   14.7 V"

 

Switch Position 

 

 

  U1=14.70 V  U2=13.60 V 
 

  1.5-5 h 

   

Adapted to closed, gas-tight 

 

AGM (absorbed glass mat)/lead-fleece

 

batteries, lead crystal, 

VRLA 

with indicated

 

charging voltage "14.7 V or 14.8 V". 
It is highly recommended to check the specification 
sheet of the battery concerning the high  
charging voltage U1 

14.7 V

 
 
 
 

Charging Program for 

LiFePO4 Batteries: 

Charging program 4, charging characteristic lines and temperature control adapted to lithium batteries: 

 

 

Observe the instructions of the battery manufacturer! 

 

An operation of the unit at a LiFePO4 battery without BMS Battery Management System and 
without equalization charging of the cells (balancing) as well as safety circuit is not 
admissible! 

 

The battery temperature sensor must be installed at the battery (screw to the negative pole) 

and 

must be connected at the unit. It serves as protection for the battery.

 

No function without temperature sensor. The LEDs "Batt. Full" and "Power" are flashing 
simultaneously! 

 

If possible, the battery temperature should be kept above 0 °C. 

 
 

4

 

"LiFePO4   14.4 V"

 

Switch Position 

 

 

  U1=14.40 V  U2=13.80 V 
 

  0.3-1 h 

   

Adapted to  

 

Super B SB12Vxx - M (Epsilon) ** 

 

RELION types "RB" ** 

 

Büttner Elektronik Series MT-Li 

of the indicated capacity rates, types, complete with 
integrated safety circuit and integrated BMS. 

**

  Also to be used with indication "Charging Voltage: 14.6 V"

 

because of the lower battery load.

 

 

Super B SB12VxxE 

 

GNB/Exide SL12 xxxHC with BMS 

of the indicated capacity rates. Operation only with own BMS and prescribed safety circuit! 

 
 
 
 
 
 
 
 
 

 

 

Summary of Contents for VCC 1212-20 C

Page 1: ...charging characteristic line The charging converter excels by its compact design low weight high frequency switch mode boost and buck converter technology and powerfully dimensioned power components for safe operation The simultaneously supplied 12 V consumer loads are protected against overvoltage and voltage fluctuations The integrated recharging branch 12 V 0 1 A provides charging trickle charg...

Page 2: ...ff by the switched 12 V signal No 10 During extended standstill periods and charging of the BOARD battery mains solar the recharging branch of the VCC 1212 20 C 12 V 0 1 A can be used for trickle charging of the vehicle s STARTER battery The 12 V heating cartridge of the refrigerator can be connected to the connector No 10 and 11 during driving while the supply of the refrigerator control is taken...

Page 3: ...led also refer to Function Selection page 5 2 During extended standstill periods and charging of the BOARD battery the recharging branch of the VCC 1212 20 C 12 V 0 1 A is used for trickle charging of the vehicle s STARTER battery Reverse battery 12 V mix up at the large power terminals IN 12 V and OUT 12 V must be avoided in any case This will result in serious damage of the unit Observe the cros...

Page 4: ...rip i e Terminal D 1 Connect it automatic unit control via signal vehicle D 2 Not used automatic unit control via operating voltage Further description function selection see page 2 Unit Settings d Imperatively set the charging program for the BOARD battery type design technology acid gel AGM LiFePO4 from page 8 Start up and Function Test e Further description see page 7 Further operation of the u...

Page 5: ...d by a mains supply charger BLOCKED Also see Function of the Power Control at STARTER Battery and Generator page 7 Battery Temperature Sensor Connect the temperature sensor included in the standard delivery scope to the terminals TS TS any polarity The temperature sensor controls the temperature of the BOARD supply battery Ensure that the installation place of the sensor is not influenced by any s...

Page 6: ...re equipped with a power limit function allowing to reduce the charging capacity temporarily at the touch of a button see technical data LED Remote Control S Order No 2076 7 LEDs for convenient control of functions and charging state LCD Charge Control S VCC Order No 1248 With illuminated excellently readable display showing the state of the charging converter the current charging phase the voltag...

Page 7: ...ery 12 V The unit is equipped with a charging branch which ensures support charging and trickle charging of the STARTER battery 12 V in case of extended standstill periods It will be activated automatically as soon as the BOARD battery had been sufficiently charged for instance by a mains supply charger see Technical Data Recharging Branch A small part of the charger current approx 0 1 A is divert...

Page 8: ... 1 Lead Acid AGM 1 Switch Position U1 14 40 V U2 13 50 V 2 6 h Universal charging program for acid lead acid batteries acc to DIN 57 510 VDE 0510 for charging and trickle charging of supply BOARD batteries Ensures short charging times high charging factor and acid mixing for open standard batteries and closed SLA low maintenance maintenance free non solid electrolyte lead acid drive lighting solar...

Page 9: ...s balancing as well as safety circuit is not admissible The battery temperature sensor must be installed at the battery screw to the negative pole and must be connected at the unit It serves as protection for the battery No function without temperature sensor The LEDs Batt Full and Power are flashing simultaneously If possible the battery temperature should be kept above 0 C 4 LiFePO4 14 4 V Switc...

Page 10: ...he battery charging current is decreased slowly while full charging is increasing The charging converter controls the charging time as well as the charging current From these values and from the course of charging being recorded during the phase I the charging converter determines the 100 full charge point of the battery for automatic switching to U2 In contrast to conventional voltage transformer...

Page 11: ...ee from condensation water Never use the unit in locations where the risk of gas or dust explosion exists Open air operation of the unit is not allowed Lay the cables in a way that damages are excluded and observe to fasten them tightly Never lay 12 V cables and 230 V mains supply cables into the same cable conduit empty conduit Check live cables or leads periodically for insulation faults points ...

Page 12: ... OFF 13 0 V Active at LiFePO4 Board Battery Voltage ON 13 5 V OFF 13 4 V Input TS TS for Battery Temperature Sensor BOARD Yes Quiescent Current Standby 3 7 mA Charging Timer 3 fold Ripple Factor Voltage 30 mV rms Limit of Charging Voltage OUT BOARD Consumer Protection 15 00 V Safety Protection against Short circuit Back Discharge Yes Fitting Position of Unit any Temperature Range 20 45 C Speed con...

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