Chapter 4. Preparing for installation
4.7. Power circuit terminals
Figures 5.1 - 6.2 show an electrical diagram of power cables connections. The power electric circuit is
connected to the terminal strip, which is located on the bottom plate of the device. On it there are also fuses
of a value depending on the inverter power - Table 4.1.
Blow of fuse can be caused by incorrect operation of the inverter or connected to it electric circuits.
Replacing the fuse without analysing the cause of the failure may result in more severe damage to the
inverter that is not covered by the warranty. For this reason, the replacement of fuse can only be done by the
manufacturer's service.
Access to the power circuit terminals is obtained by removing the front cover of the inverter.
Table 4.1. Internal DC and power supply lines fuses values
PS100
Internal DC protection fuse
(RESs side)
Fuse protection from
electrical grid side
1 kW 12A DC B16
3 kW 16A DC B20
5.5 kW 2 x 16A DC B32
22 PS100 – User manual
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