Fronius String Control 250/30 - Manual (Page 12)

10
Scope of supply - 1 Fronius String Control 250/30
- 2 M40 metric screw joints with lock nuts
- 22 M32 metric screw joints with lock nuts
- 20 3-way 6 mm rubber inserts for M32 screw joint
- 20 3-way 7 mm rubber inserts for M32 screw joint
- 20 3-way 8 mm rubber inserts for M32 screw joint
- 11 vent plugs for 3-way 6 mm rubber inserts
- 10 vent plugs for 3-way 7 mm rubber inserts
- 10 vent plugs for 3-way 8 mm rubber inserts
- 10 dummy inserts for M32 screw joints
- 1 M20 metric screw joint with lock nut
- 2 M20 metric blank screw joint
- 1 M25 metric screw joint with lock nut
- 2 M40/M32 reducers
- 1 rubber insert 2x6 mm
- 1 silicone tube (pre-assembled for data communications cable)
- 1 fire prevention leaflet
- 1 upper mounting tab (incl. 5 screws)
- 1 lower mounting tab (incl. 2 screws)
- these operating instructions
Option If type 1 or 2 overvoltage protection is required, it can be fitted in the Fronius String Control
250/30 on the DIN rail provided for this purpose.
Terms and abbre-
viations used
DC 'OUT' cable The Fronius String Control 250/30 DC output cable to the invert-
er;
the polarity of the DC 'OUT' cables depends on how the solar
module strings are connected to the Fronius String Control 250/
30.
DC 'IN' cable Solar module strings from the solar modules to the Fronius
String Control 250/30;
a solar module string consists of a DC+ cable and a DC- cable.