Fronius IG 15 - Manual (Page 66)

58
Note! When installing DC connections for solar modules make
sure that the plus and minus poles correspond with the respective
symbols.
- install DC connections on the plus and minus pole of the strings on the
solar modules
- plug the strings on to the FRONIUS IG unit
Note! Never disconnect the DC plugs of the FRONIUS IG unit
from the sockets when it is in operation of feeding power supply.
Before disconnecting the strings, always first disconnect fuse in
the house distributor panel.
Failing to comply with this instruction may damage the plug connections.
Should an electric arc develop during unplugging, both plug and socket
must be replaced. Never re-use damaged DC plugs.
- lead the 3 pole connection cable to the public mains through connector
rail (3) and strain relief device and slide it into the terminal block (4)
- connect the leads of the connection cable as marked on terminal block
- fix cover (2) with four tightening screws (1)
- fix connection cable with strain relief device (3)
(4)
Stecker DC-
Buchsen DC+
+
- - - - -
+ + + +
PE N L1
4. FRONIUS IG
Outdoors
(continued)
DC plug example: multicontact plug
- max. current at MC3 = 20 A
- max. current at MC4 = 30 A