Procedure:
1. Turn the DC load-break switch of the inverter to
position I.
2. Switch on the circuit breaker.
☑ The green LED flashes for approx. 30seconds and then glows permanently or pulses.
Feed-in operation begins.
✖ The green LED is still flashing after one minute?
The DC input voltage is still too low.
• Once the DC input voltage is sufficiently high, feed-in operation begins.
✖ The red LED is glowing?
An error has occurred.
• Rectify the error (see service manual at www.SMA-Solar.com).
3. Configure the inverter via the user interface (see Section8.1.1 "Establishing a direct
connection via WLAN", page43). When doing so you can either configure the inverter
manually, use the installation assistant or adopt an existing configuration from a file. SMA
Solar Technology AG recommends configuration with the help of the installation assistant.
The country data set must be set correctly.
If you select a country data set which is not valid for your country and purpose, it can cause a
disturbance in the PV system and lead to problems with the grid operator. When selecting the
country data set, you must always observe the locally applicable standards and directives as
well as the properties of the PV system (e.g. PV system size, grid-connection point).
• If you are not sure which country data set is valid for your country or purpose, contact
your grid operator for information on which country data set is to be configured.
7 Commissioning
SMA Solar Technology AG
Operating Manual 39SB15-25-1VL-40-BE-en-11
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