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
7 Commissioning SMA America, LLC
40 CU600-1000US-IA-en-10 Installation Manual
7 Commissioning
7.1 Inserting the String Fuses
Insert the string fuses before commissioning the Connection Unit.
Requirements:
☐ Only UL-listed string fuses according to UL 2579 are permitted.
☐ 600 V string fuses must be inserted for the Connection Unit 600-US.
☐ 1,000 V string fuses must be inserted for the Connection Unit 1000-US.
☐ The fuse size must be 10 mm x 38 mm (midget format).
☐ Only maximum 20 A string fuses are permitted.
Procedure:
2. Turn the DC switch-disconnector OFF. Turn the DC
switch-disconnector counterclockwise by 90°.
3. Remove the lid of the Connection Unit. Loosen all
captive screws with an Allen key (AF 4) and
remove the lid by lifting it from below.
1.
Danger to life due to electric shock
• Make sure that all devices (e.g. inverter) connected to the Connection Unit are switched
off and protected against reconnection (see manual of the respective device).
•Ensure that no DC voltage is present.