1. Introduction
1.1. Introduction
This manual provides information on functionality and maintenance of the Protect PV solar in-
verter.
Illustration 1.1: Protect PV 10 kW, Protect PV 12.5 kW, Protect PV 15 kW
CE marking - This certifies the conformity of the equipment with the regula-
tions which apply in accordance with the directives 2004/108/EC and
2006/95/EC.
The Protect PV inverter series comprises:
Protect PV
Protect PV easy
1.2. Operation Mode Definition
Off grid (LEDs off)
When no power has been delivered to the AC grid for more than 10 minutes, the inverter dis-
connects from the grid and shuts down. This is the normal night mode. The user and communi-
cation interfaces are still powered for communication purposes.
Connecting (Green LED flashing)
The inverter starts up when the PV input voltage reaches 250 V. The inverter performs a series
of internal self-tests, including PV auto detection and measurement of the resistance between
the PV arrays and earth. Meanwhile, it also monitors the grid parameters. When the grid pa-
rameters have been within the specifications for the required amount of time (depends on
country settings), the inverter starts to energise the grid.
1. Introduction
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