9
Opening the Maintenance Compartment Door
4.3
•
Do not open the host panel of the SUN2000.
•
Before opening the SUN2000 maintenance compartment door, turn off the downstream AC
output switch and three DC switches at the bottom.
•
Do not open the maintenance compartment door in rainy or snowy days. If you must, take
protective measures to prevent rain or snow from entering the maintenance compartment.
•
Do not leave unused screws in the maintenance compartment.
1. Loosen the screws on the maintenance
compartment door.
2. Open the maintenance compartment door
and adjust the support bar.
Installing the PE Cable
4.2
•
It is recommended that the PE cable
be connected to a nearby PE point.
Connect the PE points of all
SUN2000s in the same PV array to
ensure equipotential connections to
PE cables.
•
To enhance the corrosion resistance
of a ground terminal, you are advised
to apply silica gel or paint on it after
connecting the PE cable.