Start-up and operation 17
3
Start-up and operation
This chapter describes the start-up procedure of the inverter.
Start-up procedure
Tasks
Safety
WARNING! Obey the safety instructions during the installation and start-up procedure. Refer
to chapter Safety instructions on page 5.
Only qualified electricians can install and start-up the inverter.
Primary and ambient conditions
Make sure that the mechanical and electrical installation of the inverter is correct. Refer to section
Installation checklist in the Hardware manual.
Refer to section Checking the settings of the auxiliary voltage transformer (option +G415) on page 24.
Make sure that the ambient conditions for start-up, temperature, humidity, altitude etc. are within the
limits. Refer to the technical data in the Hardware manual. If temperature and humidity are not within the
limits, the auxiliary power cannot be turned on.
Make sure that there is sufficient light for the inverter to be able to feed power to the AC power system
(grid).
There must be enough light so that the solar generator is able to feed power to the inverter. This allows
you to make sure that the inverter operates correctly. You can set the parameters when there is no light
on the PV arrays. You can do a test of the inverter modulation without power from the photovoltaic
arrays.
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