Sunny Tripower Installation Manual
Table Of Contents
- 1 Information on this Document
- 2 Safety
- 3 Scope of Delivery
- 4 Product Description
- 5 Mounting
- 6 Electrical Connection
- 6.1 Safety during Electrical Connection
- 6.2 Overview of the Connection Area
- 6.3 Connecting Conduits to the Connection Unit
- 6.4 Connecting the Grounding Conductor
- 6.5 Connecting the PV Array to the Connection Unit 600-US
- 6.6 Connecting the PV Array to the Connection Unit 1000-US
- 6.7 Operating the Reverse Polarity Detection
- 6.8 Connecting the DC Output Cable for the Inverter to the Connection Unit
- 7 Commissioning
- 8 Disconnecting the Connection Unit from Voltage Sources
- 9 Troubleshooting
- 10 Decommissioning
- 11 Technical Data
- 12 Accessories
- 13 Contact
4 Product Description SMA America, LLC
14 CU600-1000US-IA-en-10 Installation Manual
4 Product Description
4.1 Connection Unit
The Connection Unit is a String-Combiner to which up to eight strings can be connected.
Figure 3: Design of the Connection Unit
In the Connection Unit the PV array strings are combined and routed into the inverter via cables. The
integrated fuse holders are designed to be used with string fuses for overcurrent protection. The
Connection Unit is equipped with a DC switch-disconnector and therefore serves as a DC
disconnection unit.
Symbols on the Connection Unit
Item Designation
A DC switch-disconnector
B Captive screws of the lid
CType label
Symbol Explanation
Equipment grounding
No galvanic isolation