Fronius String Control 250/30 User Manual

Page 21

Connecting the Fronius String Control 250/30 to the

inverter

Safety

Connecting alu-
minium cables

Aluminium cables can also be connected to the DC connections.

Preparation

WARNING! An electric shock can be fatal. Danger from DC voltage in PV mod-
ules.
-

Make sure that both the input side and output side of the device are de-ener-
gised before attaching any connections.

All connections must be made by qualified electricians.

Note the safety rules in these operating instructions.

NOTE! When connecting aluminium cables:
-

observe national and international guidelines regarding the connection of
aluminium cables

follow the instructions of the cable manufacturer

Once a year, make sure that the cables are securely connected according to
the specified torque.

NOTE! Mark the DC 'OUT' cables
according to their intended polari-
ty.