Unicont SPb Ltd
Technical Documentation CH-105
Page 4
maximum output:
Controls:
Keypad (4 keys).
Power on/off switch
Indicators:
Digital light-emitting diode indicators (for display of present current value and
charging voltage) – 2 pcs
Light-emitting diodes displaying operation mode of ABC (charging, normal, failure) –
3 pcs.
Accuracy of measured
values
current – 0.2
А
voltage – 0.1 V
Number of digits in
displayed values
current 0.1 A (format ХХ.Х)
voltage 0.1 V (format ХХ.Х)
Signalling
– loss of ship network supply voltage
– start of
AB
with reverse polarity
– start of ABC with disconnected AB (breakage of AB circuit)
– excessive voltage in power supply circuit
– overload or short-circuit in AB circuit
– charging current or voltage exceed the preset limits
Types of alarm
signals
Built-in: relay contacts, sound signal, red light-emitting diode
External (connected): Alarm unit AU-106
In-built protection:
– excessive voltage of supply network.
– connection of power supply with reverse polarity
– stability to power supply loss
– excessive current in
AB circuit
(overload / short-circuit)
– connection of AB with reverse polarity
– protection of battery from deep discharge (connected function)
– protection of battery from overheating (with use of thermal sensor)
Protection class
IP 22
Operating
temperature range:
-20..+55 °С
Overall dimensions:
345 × 265 × 140 mm
Weight:
7 kg, max.
4.
Principle of operation of battery charger
Battery charger CH-105 allows to charge automatically the accumulator batteries
connected to it (maximum charging current and voltage are set by the user). The battery is
charged by combined method (operation in current stabilization mode in the phase of main
charge with switching to voltage stabilization mode in terminal phase). The example of charging
current and voltage curves of ABC is given on the graphs below (refer to Figure 1):
