Delta RPI M50A Installation And Operation Manual

5 Planning installation
Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
36
5.7.5 Connecting grounded solar modules
The DC inputs must be connected in parallel when using
grounded solar modules.
► An isolation transformer must be connected between the grid
and the AC connection of the inverter.
► The insulation monitoring can be set on the inverter display
after commissioning, see “8.4.2 Insulation”, page 84.
1 - L1
2 - L2
3 - L3
4 - N
5 - PE
1 - L1
2 - L2
3 - L3
- PE
3P4W 3P3W
Z
Z
parallel DC inputs
ONLY
Distribution Box
DC wiring
PV array
Positive grounding
Negative grounding
OR
Utility
3-phase, 230/400 V
AC
star or delta connection
Inverter
230/400 V
AC
Isolated
transformer
Isolated
transformer
Fig. 5.13: System design when using grounded solar modules

Delta RPI M50A Specifications

General

Brand	Delta
Model	RPI M50A
Category	Inverter
Language	English