8
Quick installation guide for RPI H3 inverters EU EN 5013227802 02 2016-01-05
Connecting to the grid (AC)
7
DANGER
High electrocution
►
Turn the
DC disconnection switch
to position
OFF
before you connect or disconnect the
AC plug.
►
Important information regarding safety
Always adhere to the speciic regulations applicable in your coun
-
try or region.
Always adhere to the speciic regulations deined by your grid
operator.
For the safety of the user and for the security of your installation,
install safety and protection devices that are required for your
installation environment (example: automatic circuit breaker and/
or overcurrent protection equipment).
2
Use the proper upstream circuit breaker to protect the inverter:
Upstream circuit breaker
16 A
G
N
L
N
L
PE
to the
inverter
Due to its design, the inverter is not capable of feeding DC resid-
ual current back into the grid. It fulils this requirement in accor
-
dance with DIN VDE 0100-712.
When examining these possible fault situations in terms of the
currently valid installation standards, Delta has come to the
conclusion that there is no danger when operating the inverter
in combination with a type A upstream residual-current device
(RCD).
Therefore faults that would otherwise require the use of a type B
residual-current device due to the inverter can be excluded.
The integrated all-pole sensitive RCMU provides additional
safety. RCD Type A can be used for this inverter, according to the
following table.
Minimum tripping current of the RCD
30 mA *
Table:
Recommended RCD Type A for a single inverter
* see description in the note below
The value of the tripping current mainly depends
on the installation of the PV generator, the size of
the PV array and environmental conditions (e.g.
humidity).
Содержание RPI H3 110
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