Fronius String Control 250/30 DCD DF - Manual (Page 65)

63
EN
Connecting the Fronius String Control 250/30 DCD
DF 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.
1
NOTE! Mark the DC 'OUT' cables
according to their intended polari-
ty.