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5
Verifying the Installation
1. The SUN2000 is installed correctly and securely.
2. The DC switches and downstream AC switch are OFF.
3. All ground cables are connected securely, without open circuits or short circuits.
4. AC output power cables are connected correctly and securely, without open circuits or short
circuits.
5. DC input power cables are connected correctly and securely, without open circuits or short
circuits.
6. The RS485 communications cable is connected correctly and securely.
7. The maintenance compartment door is closed and the door screws are tightened.
8. Unused DC input terminals are sealed.
9. Unused USB ports are plugged with watertight caps.
Connecting Communications Cables (4–8 mm Two-Hole Rubber Plug)
If three communications cables are to be connected, use the three-hole rubber plug that is bound
in the maintenance compartment.
