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6 Product description
The charger consists of a controllable, high-frequency switched mode power supply with
microprocessor-controlled charging electronics. The operating and display unit signals all
charger statuses using a status indicator. Charging can be interrupted and continued
again using a button. The charger is programmed so that it is compatible with 48 V Volvo
machines. The charging process is controlled from the machine. The charger shuts off
automatically if there are faults.
The individual modules of the charger are installed in a robust housing.
The charger is low maintenance.
A controlled heater and ventilator is integrated in the outdoor housing. This
makes operation possible in a wide range of areas in winter and summer.
6.1 Description of accessories and function
6.1.1 MRC 400 charger
The MRC 400 charging plug supplied with the charger has to be used to charge suitable
48 V Volvo machines.
The charger can be used to charge other machines, batteries and units if the 48 V Volvo
requirements are met.
The control contacts are also located in the MRC 400 charger. If a disconnection of the
machine from the charger is detected during charging, the charging is stopped
immediately.
6.2 Description of safety devices
All live assemblies are equipped with housings and covers that can only be removed
using tools. All cables and plugs are properly screened and earthed. The charger is
designed in accordance with the protection class; see type plate.
All electrical and electronic components bear the CE symbol; all of the necessary
isolating distances have been adhered to. All circuits are protected by primary and
secondary fuses with defined current rating and rupturing characteristics.
All metal components are earthed via a protective conductor system.
The charger is equipped with an automatic shut-off function as soon as the preset
maximum charging state of the machine has been reached. This prevents overcharging
and excessive generation of explosive vapours.
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