Votronic VCC 2412-45 Li charging converter

Fully automatic battery charge converter for LiFePO4 batteries in special vehicles and high-quality motorhomes.

Details

• High charging capacity even for short journeys
• Significantly improved energy balance of the supply circuit
• Excellent protection of the supply battery and the consumers connected to it against the sometimes very strong voltage fluctuations of dynamically regulated alternators in newer vehicles
• On longer journeys, the IU1oU2 charging technology achieves a full charge and prevents overcharging
• Optimum charging characteristics for 4 battery types can be set using the battery selector switch (gel, acid/AGM1, AGM2, LiFePO4)
• Automatic, adjustable charging power ensures that the starter battery is charged primarily by the alternator when the vehicle's electrical system is under heavy load, thus ensuring that the vehicle can be started again immediately
• In the event of simultaneous consumption in parallel and buffer mode, the battery continues to be charged or is kept fully charged. The charging converter automatically calculates and monitors the adjustment of the charging times.
• Built-in temperature compensation automatically adjusts the charging voltage to the battery temperature independently of the alternator and enables charging even outside the recommended LiFePO4 battery temperatures below 5°C or above 35°C; battery temperature sensor Art. 2001 is included in the scope of delivery
• Simple installation, no intervention in the vehicle's starter circuit required, device is connected in the charging line to the supply battery.
• Safety protection and protection against reverse polarity, short circuit and reverse discharge
• Connection for remote control Art. 2075, remote operating display IP67 Art. 2081 or Charger State Monitor IP67 Art. 2082
• Also prepared for operation with EBL (electric block) and EVS (only VCC 1212-25 IUoU-Li and VCC 1212-45 IUoU-Li).
• Built-in on-board mains filter enables problem-free parallel operation with solar systems, mains chargers and other charging sources on one battery
• Galvanic isolation between input and output ensures excellent suppression of interference through absolute separation of the battery circuits, clean ground conditions on both sides even with long supply cables, safety in the event of a fault (no 12V/24V or 24V/12V breakdown possible) and reliably prevents unwanted back discharges of the battery circuits
• Switching input for fully automatically controlled operation (ignition, D+ engine running) or optionally manually controlled by remote switch
• Measurement input also enables pure voltage control of the device if required
• The device can also be used for clean battery charging further away from the alternator in large vehicles, trailers, supply containers, etc.

Charging programs

• Li: "LiFePO4": Charging program for lithium batteries, characteristic curve IU1oU2: Charging program matched to lithium LiFePO4 batteries with their own BMS and prescribed or built-in protective circuitry.

Technical data

• Input from vehicle starter battery "+ IN Start"
• Vehicle starter battery nominal voltage: 24 V
• Battery capacity (size), minimum recommended: 60 Ah
• Input voltage range (EURO 6 +), D+ controlled: 22 - 32 V
• Input overvoltage cut-off (EURO 6 +), max.: 32.2 V
• Power consumption max.: 740 W
• Current consumption (at lowest input voltage) max.: 30 A
• Current consumption StandBy / OFF (terminal 15 or D+ without signal): 0.11 A / 5 mA
• Charging output on on-board supply battery "+ OUT Bord"
• Nominal battery voltage: 12.8 V - 13.2 V
• Battery capacity recommended / up to: 90-300/400 Ah
• Main charging current, I-phase, 8 V to U1, 0-15h: 45 A
• Charging/buffer/load current, regulated U1-U2 phase: 0 - 45 A
• Selectable charging programs LiFePO4: 4
• Minimum battery voltage for start of charging: 0 V
• Pre-charge current (battery deep discharge < 8V), max.: 22.5 A
• Reverse current from battery, OFF ( terminal 15 or D+ without signal): 0 A
• Reset voltage LiFePO4 (30sec): 12.75 V
• Charging voltage limit (consumer protection): 15.00 V
• External overvoltage cut-off (20sec): 15.20 V
• Voltage ripple: < 30 mV rms
• Input for battery I temperature sensor: yes
• Charging timer: 3-fold
• Reverse polarity/short circuit/back discharge/safety protection: yes
• overcharge protection: yes
• Safety timer per charging phase I / U1: yes
• EBL START In, EVS measurement input / charge output: < 30 mV rms
• Charge / charge retention for 12 V starter battery: 0...3 A
• Device installation position: any
• Temperature range: -20 to 45°
• Speed-controlled, temperature-controlled fan: yes
• Gradual reduction of charging power in the event of overtemperature: yes
• Safety shutdown in the event of overheating: yes
• Dimensions (L x W x H) incl. mounting flanges and terminals: 245 x 160 x 71 mm
• Ambient conditions, humidity: max. 95 % room humidity, non-condensing

Scope of delivery
Temperature sensor, operating instructions