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4.7 Connecting the communications module
(StecaGrid Connect)
If the StecaGrid Connect option is used with an external communications con-
nection, the connection plug is located on the above left of the daughterboard.
An aperture can be cut out in the lower part of the control unit for the cable
feed. After inserting the cable hole can be sealed with the supplied blan plug.
Further information regarding connection of the daughterboard can be found in
the manual supplied with the daughterboard.
The SubD9 plug connector (above right) is only used for maintenance purposes.
Improper use can damage the inverter and will invalidate the warranty.
4.8 Switching the grid voltage on for the first time
When energy is being supplied the inverter continuously checks the quality of
the electricity grid. If the grid quality is poor the inverter will automatically dis-
connect itself. The criteria according to which the inverter disconnects itself vary
from country to country and are listed in the table in the appendix. This is the
so-called "table of countries". The specific criteria according to which the inverter
disconnects itself are fixed by law.
When commissioning the inverter, first the language then the country should
be set. Select the country in which the inverter is installed; the inverter thereby
fulfils the national requirements. The setting is made using the display and ar-
row buttons.
The country setting can only be carried out once. Following selection, a normal
user can only choose between the standard setting and the chosen country
setting. The enclosure contains a table with countries and the relevant country
setting.
If the wrong country setting is still selected this country setting can be changed
by an installer who has the necessary service software.
After connecting the AC side with the grid the inverter autonomously synchro-
nises with the mains.
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