Sungrow SG250HX-20 handleiding
Handleiding
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User Manual 5 Electrical Connection
When there are multiple inverters in the PV system, connect the external protective ground
ing terminals of all inverters and the grounding points of the PV module brackets to ensure
equipotential connections to ground cables (according to the onsite conditions).
5.5.2 Connection Procedure
step 1 Prepare the cable and OT/DT terminal, refer to Crimp OT/DT terminal.
step 2 Remove the screw on the grounding terminal and fasten the cable with a screwdriver.
step 3
Apply paint to the grounding terminal to ensure corrosion resistance.
The grounding screws have been anchored to the side of the inverter before delivery,
and do not need to be prepared.
There are two grounding terminals. Use one of them to ground the inverter.
The inverter grounding screw's resistance to ground should be ≤4Ω. This resistance
should be checked every six months.
• The metal frames of the two adjacent modules in each PV string should be connected
using a reliable 4mm
2
yellow-green cable.
• The metal frames of the first and last modules in each PV string should be connected
to the brackets using yellow-green cables.
- - End
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Productinformatie
| Merk | Sungrow |
| Model | SG250HX-20 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 15373 MB |
