IMPORTANT SAFETY INSTRUCTIONS

Keep the manual for future reference.

This section contains safety information that must be observed at all times when working.

The product has been designed and tested in accordance with international safety requirements. As with all electrical or electronical devices, some residual risks remain despite careful construction. To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and observe all safety information at all times.

DANGER

Danger to life due to electric shock when live components or DC cables are touched

The DC cables connected to a battery may be live. Touching live DC cables results in death or serious injury due to electric shock.

  1. Disconnect the product and battery from voltage sources and make sure it cannot be reconnected before working on the device.
  2. Observe all safety information of the battery manufacturer.
  3. Do not touch non-insulated parts or cables.
  4. Wear suitable personal protective equipment for all work on the product.

DANGER

Danger to life due to electric shock when live components are touched because the battery grounding is connected to grounding conductor terminals

Due to the connection of the battery grounding to the grounding conductor terminals, high voltages might be present on the enclosure of the inverter. Touching live parts and cables results in death or lethal injuries due to electric shock.

  1. Only the grounding conductors of the AC power cables may be connected to the grounding conductor terminals of the inverter.
  2. Observe all safety information of the battery manufacturer.
  3. Ground the battery according to the battery manufacturer's requirements.
  4. If the locally applicable standards and directives require battery grounding, connect the battery grounding to the grounding busbar in the distributor.

DANGER

Danger to life due to electric shock in case of overvoltages and if surge protection is missing

Overvoltages (e. g. in the event of a flash of lightning) can be further conducted into the building and to other connected devices in the same network via the network cables or other data cables if there is no surge protection. Touching live parts and cables results in death or lethal injuries due to electric shock.

  1. Ensure that all devices in the same network and the battery are integrated into the existing surge protection.
  2. When laying the network cables or other data cables outdoors, it must be ensured that a suitable surge protection device is provided at the transition point of the cable from the product or the battery outdoors to the inside of a building.

WARNING

Danger to life due to fire and deflagration

In rare cases, an explosive gas mixture can be generated inside the product under fault conditions. In this state, switching operations can cause a fire and in very rare cases a deflagration inside the product. Death or lethal injuries due to the spread of a fire can result.

  1. In the event of a fault, do not perform any direct actions on the product.
  2. In the event of a fault, ensure that unauthorized persons have no access to the product.
  3. In the event of a fault, disconnect the battery from the product via an external disconnection service.
  4. In the event of a fault, disconnect the AC circuit breaker, or keep it disconnected in case it has already tripped, and secure it against reconnection.

WARNING

Risk of injury due to toxic substances, gases and dusts.

In rare cases, damages to electronic components can result in the formation of toxic substances, gases or dusts inside the product. Touching toxic substances and inhaling toxic gases and dusts can cause skin irritation, burns or poisoning, trouble breathing and nausea.

  1. Only perform work on the product (e.g., troubleshooting, repair work) when wearing personal protective equipment for handling of hazardous substances (e.g., safety gloves, eye and face protection, respiratory protection).
  2. Ensure that unauthorized persons have no access to the product.

WARNING

Danger to life due to fire when failing to observe torque specifications on live bolted connections

Failure to follow the specified torques reduces the ampacity of live bolted connections and the contact resistances increase. This can cause components to overheat and catch fire. Death or lethal injuries can result.

  1. Ensure that live bolted connections are always tightened with the exact torque specified in this document.
  2. Only use suitable tools when working on the device.
  3. Avoid repeated tightening of live bolted connections as this may result in inadmissibly high torques.

WARNING

Danger to life due to fire or explosion when batteries are fully discharged

A fire may occur due to incorrect charging of fully discharged batteries. This can result in death or serious injury.

  1. Before commissioning the system, verify that the battery is not fully discharged.
  2. Do not commission the system if the battery is fully discharged.
  3. If the battery is fully discharged, contact the battery manufacturer for further proceedings.
  4. Only charge fully discharged batteries as instructed by the battery manufacturer.

WARNING

Danger to life due to burns caused by electric arcs through short-circuit currents

Short-circuit currents in the battery can cause heat build-up and electric arcs. Heat build-up and electric arcs may result in lethal injuries due to burns.

  1. Disconnect the battery from all voltages sources prior to performing any work on the battery.
  2. Remove watches, rings and other metal objects prior to carrying out any work on the battery.
  3. Use insulated tools and wear insulated gloves for all work on the battery.
  4. Do not place tools or metal parts on the battery.
  5. Observe all safety information of the battery manufacturer.

WARNING

Danger to life due to electric shock from destruction of the measuring device due to overvoltage

Overvoltage can damage a measuring device and result in voltage being present in the enclosure of the measuring device. Touching the live enclosure of the measuring device results in death or lethal injuries due to electric shock.

  1. Only use measuring devices with a measurement ranges designed for the maximum AC and DC voltage of the inverter.

CAUTION

Risk of burns due to hot enclosure parts

Some parts of the enclosure can get hot during operation. Touching hot enclosure parts can result in burn injuries.

  1. During operation, do not touch any parts other than the enclosure lid of the inverter.
  2. Wait until the inverter has cooled down before touching the enclosure.

CAUTION

Risk of injury due to weight of product

Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted.

  1. Transport and lift the product carefully. Take the weight of the product into account.
  2. Wear suitable personal protective equipment for all work on the product.
  3. Transport the product using the carrying handles or hoist. Take the weight of the product into account.
  4. Use all carrying handles provided during transport with carrying handles.
  5. Do not use the carrying handles as attachment points for hoist equipment (e.g. straps, ropes, chains). Insert eye bolts into threads provided on top of the product to attach the hoist system.

NOTICE

Damage to the enclosure seal in subfreezing conditions

If you open the product when temperatures are below freezing, the enclosure seals can be damaged. Moisture can penetrate the product and damage it.

  1. Only open the product if the ambient temperature is not below -5°C.
  2. If a layer of ice has formed on the enclosure seal when temperatures are below freezing, remove it prior to opening the product (e.g. by melting the ice with warm air).

NOTICE

Damage to the product due to sand, dust and moisture ingress

Sand, dust and moisture penetration can damage the product and impair its functionality.

  1. Only open the product if the humidity is within the thresholds and the environment is free of sand and dust.
  2. Do not open the product during a dust storm or precipitation.
  3. Close tightly all enclosure openings.

NOTICE

Damage to the inverter due to electrostatic discharge

Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge.

  1. Ground yourself before touching any component.

NOTICE

Damage to the inverter due to switching operations on the transformer

If voltages are present in the inverter, switching operations on the transformer can lead to large fluctuations in the voltage in the inverter. Large fluctuations in voltage can damage components in the inverter.

  1. Disconnect the inverter from voltage sources before performing any switching operations on the transformer.

NOTICE

Damage to the product due to cleaning agents

The use of cleaning agents may cause damage to the product and its components.

  1. Clean the product and all its components only with a cloth moistened with clear water.

NOTICE

Damage to assemblies caused by impact from test probes

When measuring voltages in the inverter, test probes must be used at measuring points within assemblies. The use of test probes may damage the assemblies.

  1. Test probes are to be used only at measuring points specified in this document. Other parts (e.g. components) must not be touched.
  2. Always move the test probes in the inverter slowly and carefully.
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