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6 Electrical Connection
6.1 Safety
6.2 Wiring AC Output
When using inverter with VDE-AR-N 4105, because the
inverter's displacement factor adjust function had to accorded
to VDE-AR-N 4105,the PV-inverter system total capacity cannot
be over 13.8KVA.
When using inverter with CEI 0-21: if the inverter system total
capacity more than3KW and up to 6KW,the displacement factor
is adjustable between 0.95leading to 0.95 lagging ,and not need
the external SPI.if the inverter system total capacity more than
6KW,,the displacement factor is adjustable between 0.9leading
to 0.9 lagging ,and need the external SPI。
!
NOTICE
Danger to life due to lethal voltages!
High voltages which may cause electric shocks are present
in the conductive parts of the inverter. Prior to performing
any work on the inverter, disconnect the inverter on the AC
and DC sides
WARNING
Danger of damage to electronic components due to
electrostatic discharge.
Take appropriate ESD precautions when replacing and
installing the inverter.
WARNING
You must install a separate single-phase circuit-breaker or other
load disconnection unit for each inverter in order to ensure that
the inverter can be safely disconnected under load.
NOTE:The inverter is equipped with integrated RCM(Residual
current operated monitor)and RCD(Residual current and
protective device) which are used for preventing from being
electric shock. An external built RCD in fact is not necessary .
If the network operator stipulate an external built RCD,you must
choose a residual-current protective device that triggers in the
event of residual current more than 300mA.
Position
Description
A
B
C
D
E
F
PV modules
DC load circuit breaker
Growatt Inverter
AC load circuit breaker
Energy meter
Utility grid
You must install a separate single-phase circuit-breaker or other load
disconnection unit for each inverter in order to ensure that the inverter can be
safely disconnected under load.
We suggest you choice the AC breaker rating current in this table:
we recommend electrical connection as follows
The AC wiring step:
1. The grid connection is made using 3 conductors (L, N, and PE).
Growatt 2500MTL-S
Growatt 3000MTL-S
Growatt 3600MTL-S
Growatt 4200MTL-S
Growatt 5000MTL-S
Growatt 5500MTL-S
18A/230V
20A/230V
24A/230V
28A/230V
30A/230V
32A/230V
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