SMA Solar Technology AG 6 Electrical Connection
Installation Manual SI80H-60H-OffGrid-IA-en-11 33
6.2 Sequence for the Electrical Connection
K Cable feed-through plate
L Enclosure opening for DC −
M Enclosure opening for DC+
N Enclosure opening for PE
O Enclosure opening for AC2
P Enclosure opening for AC1
Q ExtVtg connection*
RAC1 terminal
SAC2 terminal
* No function
Procedure See
1 Earth the off-grid system. Section 6.3 ... Section 6.4
2 If necessary:
Earth the battery.
Section 6.5
3 Connect the BatFuse to the off-grid inverter. Section 6.6
4 If a battery current sensor is present:
Install the battery current sensor on the DC– power cable
between the battery and BatFuse.
‒
5 Connect the BatFuse to the battery. BatFuse installation manual
6If present:
Connect the Sunny Island Charger 50 to the BatFuse.
Sunny Island Charger 50
installation manual
7 If DC sources are present:
Install protective devices for the DC sources.
Section 6.7
8 Connect the PE. Section 6.8
9 Install the AC cables for loads. ‒
10 If present:
Connect the PV inverters and the wind power inverters.
Inverter installation manual
11 Connect the stand-alone grid/AC cables of the Multicluster
Box.
Section 6.9
Position Description
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