standards.
CTs
IGA
ICP
PV
Fig. 35. Standard wiring diagram.
5.3.2. External earthing connection.
Do not connect the neutral N wire as a protective
earthing wire to the inverter housing. This may cause
Danger
USER MANUAL
Meter
ID
PIAs
ID
Fus.
MCB
SPD
Fus.
Inverter
Legend abbreviations:
ICP
– Power control switch.
IGA
– Main circuit breaker.
ID
– Differential switch.
MCB
– Magnetic Circuit Breaker.
Fus.
– Fuses.
SPD
– Surge Protection Device.
PIA
– Small circuit breaker.
PV
– Photovoltaic panels.
ID
Batt. – Batteries.
BMS
– Communication system with the Battery
Management System.
Meter
MCB
Batt.
ID
Fus.
PIAs
Back-up
MCB
SPD
– Communication system with the Meter.
EQX2 SOLAR INVERTERS CONNECTED TO THE GRID
73