Using Dc1 And Dc2 With Only One Mpp Tracker (Optional) - Delta RPI M50A_120 Installation And Operation Manual

Connector types
The Multi-Contact MC4 are delivered with the inverter.
The plugs can also be ordered from Multi-Contact
at www.multi-contact.de. The required size depends
on the wire cross-section and thickness of the cable
used.
DC connector type on
the inverter
The DC-MINUS connec-
tor is a male socket.
The DC-PLUS conenctor
is a male socket.
You can download the manual from the Multi-Contact
website. This manual will also tell you which tools are
required.
France: Safety caps are needed
for each DC input that is con-
nected to a string of solar mod-
ules.
It is recommended to use a spe-
cial open-end spanner for the
MC4 DC connectors if you need
to disconnect MC4 DC connec-
tors from the inverter. Otherwise
you might destroy the DC Con-
nectors.
Installation and Operation Manual for RPI M50A
Counterpiece required
for the cable
A female plug is required
for the black DC cable.
A male plug is required
for the red DC cable.
6.6 Using DC1 and DC2 with only one
MPP tracker (optional)
Only when you want to use DC1 and DC2 on one
MPP tracker, you need to connect the DC inputs as
described on this page.
WARNING
High electrocution
When you remove the cover from the
fuse section, protection degree is no
longer IP65.
► Remove the cover only when it is
really necessary.
► Remove the cover only when the
inverter is in a dry environment.
► Close the cover tightly after work.
You need the two DC bus bars delivered with the
inverter. The screws are already fastened to the con-
nectors inside the fuse section.
► You should use a magnetic screw
driver, so that the screws cannot
accidentally fall into the inverter.
1.
Loosen the six screws of the fuse section cover.
2.
Remove the cover from fuse section.
6 Installation
43