Commissioning; Operation - Steca Grid 500 Installationsanleitung

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Connect a mains connection cable to the right hand

side of the inverter.
If a StecaGrid Control N or StecaGrid Control D resp.

D1 control unit is not used, it is advisable to connect
an earth leakage circuit breaker between the inver-
ter and the mains socket. Steca is offering a package
with circuit breaker and mains connection cable
together as StecaGrid Link.This is not necessary, if a
control unit is used; the AC wall socket plug and the
earth leakage circuit breaker are integral to this unit.

3.4. Commissioning

Insert the inverter or control unit plug into the wall socket

The solar system is now commissioned automatically.

When light intensity is sufficient the inverters will

switch to the 'Active' mode: this is indicated when
the LED is permanently lit. Energy is now delivered
back into the electrical system.

3.5. Operation

The solar system operates fully automatically

If there is adequate sunlight, energy is delivered

back into the electrical system (the LED is perma-
nently lit).
If solar energy levels are low, the inverter will switch

to 'Stand-by' (flashing LED).
If there is insufficient or no sunlight, the inverter will

switch to the 'Off' mode. In this mode, no energy is
consumed from the grid.
WARNING!
Malfunction of the PV system!
An earth leakage circuit breaker trips at a very low current
differential. This mainly occurs during a thunderstorm. In
view of this, check that the system is operational on a regular
basis. Regular checks of the kilowatt hour meter may also
bring system failures to light at an early stage.
NOTE
After disconnection the inverter will switch to ‚Stand-by'.
The LED will flash briefly to signal this. The DC side is now
voltage free.
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ENGLISH
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