SMA SHP 125-US-20, Руководство по эксплуатации

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7 Electrical Connection SMA Solar Technology AG
Operating manual SHP-US-20-BE-en-10 35
Additionally required material (not included in the scope of delivery):
☐ Two terminal lugs for connection of DC+ and DC- (flange hole: M10, cross-section:
appropriate to DC cables used)
☐ One terminal lug for connection of equipment grounding conductor of PV array (flange hole:
M6, cross-section: appropriate to equipment grounding conductor)
☐ Clean cloth
☐ Ethanol cleaning agent
☐ Press tool
DC connection overview
E
C
A
B
D
Figure 9: DC connection overview for the connection of one PV combiner box
Position Designation
A Pre-harnessed connection cable with terminal lug for DC connection (installed
in the product)
B M10x40 combination hexagon head screw (AF16)
C Washer M10
D Hexagon nut M10
E DC-cable with terminal lug (provided by customer)
Procedure:
1. Ensure that no voltage is present on the DC cables.
2. Connect the equipment grounding conductor of the PV array to the equipment grounding
terminal:
• Dismantle the equipment grounding conductor.
• Attach equipment grounding conductor to terminal lug.