grid/sun | care classic

Battery Maintenance

Regular care and maintenance of your battery system is indispensable for the required reliability and longevity of the product. In addition to a general visual assessment of the system, regular cleaning of the battery is necessary to ensure availability and compliance with accident prevention regulations. In addition, liquid electrolyte is used in closed lead-acid batteries, so hydrogen and oxygen gas are produced due to the constant decomposition of water. The "used" water must be refilled from time to time.

  • Optical inspection of the energy system
  • Cleaning the battery surface 
  • Topping up cells with distilled water

Battery Inspection

The battery is tested in accordance with DIN EN IEC 62485-2 and the manufacturer's specifications. It serves to ensure that the battery system is handled in accordance with the standards and operated in accordance with the product. This ensures that faults are identified as quickly as possible and that appropriate actions are taken in advance to avoid faults and eliminate possible faults.

  • Carrying out relevant measurements (voltages, alternating current, electrolyte density/temperature, room/cabinet temperature)
  • Determination of the electrolyte level (only for sealed cell types)
  • Carrying out relevant visual inspections (screw connections, pole/plate growth, mechanical damage, cabinet/frames, cleanliness, ventilation)
  • Testing of all screw connections for tight fit
  • Assessment of the overall condition

Battery Room Inspection

The battery room is tested in accordance with local as well as international norms and the manufacturer's specifications. It serves to ensure standard-compliant accommodation in protected and, if necessary, closed electrical operating facilities. Possible types of accommodation include rooms, electrical facilities, containers or cabinets. These premises must meet certain safety criteria and special requirements depending on the type and size of the battery. Especially the discharge resistance of the floor, the ventilation of the room, as well as its marking with certain warning signs, must be fulfilled by the customer for the standard-compliant operation of stationary battery systems.

  • Visual inspection of insulated parts, covers and fuses 
  • Visual inspection of safety equipment (gloves, goggles, apron, eye wash, etc.)
  • Visual inspection of disconnectors, fuses, special terminals and connection cables
  • Visual inspection of anti-panic door, floor, ventilation system
  • Visual inspection of warning and information signs, as well as labels and markings
  • Measurement of the leakage resistance from the floor
  • Measurement of ventilation (air flow rate and air exchange rate)

Device Maintenance

Devices like rectifiers, inverters or safety lighting devices are tested in accordance with local as well as international standards and the manufacturer’s specifications. It serves to ensure standard-compliant treatment and product-compliant operation of the system. This ensures that errors are identified as quickly as possible and suitable measures are taken in advance to prevent malfunctions and eliminate possible errors.

  • Check the charger and adjust the trickle charge if necessary
  • Function test with connected consumers
  • Visual inspection of optical indicator lights & signal lamps, display devices (voltage, current, consumers), for mechanical damage/deformations (inside & outside), circuit boards and contactors, capacitors, for cleanliness and for the function of the device fan
  • Visual inspection of switching and disconnecting (disconnectors/switches, fuses, disconnecting tabs and special terminals)
  • Measurement of input voltage, current and frequency
  • Measurement of output voltages, currents and frequency
  • Measurement of charge retention voltage, current, device current and the superimposed alternating current component
  • Testing the rotary field
  • Inspection of the monitoring equipment

Device Inspection

The testing of a device is based on valid norms and the manufacturer's specifications. It serves to ensure that the system is handled in accordance with the norms and standards. This ensures that faults are identified as quickly as possible and that suitable measures are taken in advance to prevent faults and eliminate possible faults.

  • Checking the charger and setting the maintenance charge if necessary
  • Functional test with connected consumers
  • Visual inspection of indicator lights & signal lamps, display devices (voltage, current, loads), mechanical damage/deformation (inside & outside), circuit boards and contactors, cleanliness and function of the device fan
  • Measurement of input voltage, current and frequency
  • Measurement of maintenance charge voltage, current, device current and the superimposed alternating current
  • Inspection of the monitoring equipment
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  • Compliance with applicable DIN standards
  • Safety for human, environment and machine
  • Maximization of product life
  • Immediate error identification to prevent system failures
  • Reduction of life cycle costs
  • Plannable costs, low financial risk
  • Proof of warranty claims

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