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73
EN
standards.
Fus.
Fus.
SPD
SPD
IGA
ICP
Meter
ID
ID
ID
MCB
Inverter
MCB
CTs
PIAs
PIAs
Back-up
PV
Batt.
BM
S
M
et
er
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.
Batt
. – Batteries.
BMS
– Communication system with the Battery
Management System.
Meter
– Communication system with the Meter.
Fus.
ID
MCB
Fig. 35. Standard wiring diagram.
5.3.2. External earthing connection.
Danger
Do not connect the neutral N wire as a protective
earthing wire to the inverter housing. This may cause
EQX2
SOLAR INVERTERS CONNECTED TO THE GRID
USER MANUAL