IMPORTANT SAFETY INFORMATION

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 touching live system components during battery-backup operation

Even if the AC miniature circuit breaker and the DC load-break switch of the inverter are disconnected, parts of the system may still be live when the battery is switched on due to battery-backup operation.

  1. Prior to performing any work on the inverter, disconnect it from all voltage sources as described in this document.
  2. Ensure that the grounding conductors of the electric circuits of the battery-backup appliances are connected to the grounding busbar of the house connection box.

DANGER

Danger to life due to electric shock when live components or DC cables are touched when working on the battery

The DC cables connected to the battery can be energized even when the battery is disconnected if the inverter has not been disconnected. Touching live DC cables results in death or serious injury due to electric shock.

  1. Prior to performing any work on the battery, disconnect the inverter from all voltage sources as described in this document.

DANGER

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

The DC cables connected to a battery or a PV module 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. Do not disconnect the DC connectors under load.
  5. Wear suitable personal protective equipment for all work on the product.

DANGER

Danger to life due to electric shock when live components are touched on opening the product

High voltages are present in the live parts and cables inside the product during operation. Touching live parts and cables results in death or lethal injuries due to electric shock.

  1. Do not open the product.

DANGER

Danger to life due to electric shock from touching an ungrounded PV module or array frame

Touching ungrounded PV modules or array frames results in death or lethal injuries due to electric shock.

  1. Connect and ground the frame of the PV modules, the array frame and the electrically conductive surfaces so that there is continuous conduction. Observe the applicable local regulations.

DANGER

Danger to life due to electric shock when touching live system components in case of a ground fault

If a ground fault occurs, parts of the system may still be live. Touching live parts and cables results in death or lethal injuries 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. Only touch the cables of the PV modules on their insulation.
  3. Do not touch any parts of the substructure or frame of the PV array.
  4. Do not connect PV strings with ground faults to the inverter.

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.
  3. The Ethernet interface of the product is classified as "TNV-1" and offers protection against overvoltages of up to 1.5 kV.

DANGER

Danger to life due to electric shock when touching live enclosure parts with damaged grounding conductor

High voltages may be applied to the enclosure of the product if the grounding conductor of the AC connection is damaged or has not been connected correctly and the additional grounding has not been connected. Touching live enclosure parts results in death or lethal injuries due to electric shock.

  1. Connect additional grounding for the AC connection as described in this document.

WARNING

Danger to life due to fire and explosion

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 inside the product or explosion. Death or lethal injuries due to hot or flying debris can result.

  1. Ensure that unauthorized persons have no access to the product.
  2. Disconnect the PV array from the inverter via an external disconnection device. If there is no disconnecting device present, wait until no more DC power is applied to the inverter.
  3. Disconnect the battery from the product via an external disconnection device. Do not operate the DC load-break switch on the product.
  4. 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).

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 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. 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 DC input voltage range of 1000 V or higher.

CAUTION

Risk of burns due to hot enclosure parts

The enclosure and the enclosure lid may get hot during operation. The DC load-break switch can not become hot.

  1. Do not touch hot surfaces.
  2. Wait until the inverter has cooled down before touching the enclosure or enclosure lid.

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. Always have two persons mount and disassemble the product.
  3. Wear suitable personal protective equipment for all work on the product.

NOTICE

Damage to the DC connectors due to the weight of the product

The DC connectors mounted on the product may be damaged if the product is set down on them.

  1. Do not set the product down on its DC connectors.
  2. Do not remove the protective cover from the DC connectors until the product is installed on the wall mounting bracket.

NOTICE

High costs due to inappropriate Internet tariff

Depending on use, the data volume of the product transferred via the Internet may vary in size. The data volume depends, for example, on the number of devices in the system and the frequency of device updates. High costs for the Internet connection can be the result.

  1. SMA Solar Technology AG recommends using an Internet flat rate.

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.

Communication disturbances in the local network

The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication amongst SMA products and for direct access to SMA products.

Communication problems might occur if this IP address range is used in the local network.

  1. Do not use the IP address range 192.168.12.0 to 192.168.12.255 in the local network.

A country data set must be set for feed-in operation

A country data set must be set (e.g. via the product commissioning wizard or a System Manager) in order for the inverter to start feed-in operation during commissioning.

If no country data set is set, then feed-in operation will be stopped. This state is signaled by the green and red LEDs flashing simultaneously.

The inverter will automatically start feed-in operation only after the inverter configuration is completed.

    Intended Use
    Scope of delivery