TWERD Power Electronics PS100-WT - Inverter with PV Input

Chapter 5. ON-GRID installation
5.2. Inverter with PV input
PV1
(MPPT 1)
ps100-03.4-en
PV2
(MPPT 2)
PS100-PV
R
TWERD
L
NPE
PV2 input is available
only at 5.5 kW inverters
Protection
Connection point
to the electricity grid
L,N: 230V 50Hz
Fig. 5.2. Power circuits wiring diagram for PS100-PV inverter
When connecting photovoltaic panels, follow the order of steps below:
1. Set the PV switch to OFF.
2. Connect the power supply cables to the terminals L, N, PE (potential free).
3. Measure the voltage of solar panels and their polarization.
4. Connect the solar panels to the dedicated PV connectors.
5. Switch on the inverter power supply from the mains side.
6. Set the PV switch to ON.
7. Wait a moment to check that the device is not detecting a failure.
PS100 – User manual 25