2 Safety
Alterations to the product, e.g. changes or modifications, are only permitted with the express written permission of
SMA Solar Technology AG. Unauthorized alterations will void guarantee and warranty claims and in most cases
terminate the operating license. SMA Solar Technology AG shall not be held liable for any damage caused by such
changes.
Any use of the product other than that described in the Intended Use section does not qualify as appropriate.
The enclosed documentation is an integral part of this product. Keep the documentation in a convenient place for
future reference and observe all instructions contained therein.
Suitable personal protective equipment has to be worn by all persons working on or with the product.
The type label must remain permanently attached to the product.
2.2
Safety Information
This section contains safety information that must be observed at all times when working on or with the product.
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 to life from electric shock due to live voltage
Danger of electric shock if work is executed incorrectly or under fault conditions. An electric shock can lead to death
or serious injury.
• Disconnect the supply voltage and the measuring cables for the current- and voltage measurement before
performing any work on the Fuel Save Controller.
• Observe the five safety rules when disconnecting the supply voltage:
– Disconnect from voltage sources.
– Ensure that the device cannot be reconnected.
– Ensure that no voltage is present.
– Ground and short-circuit the device.
– Cover and isolate any adjacent live components.
Damage to the inverters, gensets or loads due to unauthorized access
Parameters of the Fuel Save Controller can be set incorrectly due to unauthorized access. When parameters are set
incorrectly, technical thresholds are being exceeded. An exceeding of technical thresholds can lead to damage of
the inverters, gensets or loads.
• Protect the Fuel Save Controller from unauthorized access.
• Remove the key from the door locks and from the key switch.
• Store the keys in a safe place.
• Ensure that only qualified persons are able to set parameters on the Fuel Save Controller.
• Ensure that access via port forwarding from the external network to the router is deactivated in the
Fuel Save Controller.
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FSC20-IA-xx-20
SMA Solar Technology AG
Installation Manual