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
2 Safety SMA America, LLC
10 CU600-1000US-IA-en-10 Installation Manual
2 Safety
2.1 Intended Use
The Connection Unit is a String-Combiner to which up to eight strings can be connected.
Figure 1: Example design of a PV system with Connection Unit
The Connection Unit is suitable for indoor and outdoor use.
The Connection Unit must only be used in ungrounded PV systems. Do not use grounded PV modules
with the Connection Unit. Only ground the mounting frame of the PV modules.
All DC inputs of an ungrounded PV system must be equipped with an overcurrent protection
according to the National Electrical Code
®
NEC 690. The Connection Unit shall be installed per the
requirements contained in Section690.35 of the National Electrical Code
®
, ANSI/NFPA 70. The
Connection Unit must only be used with the following transformerless SMA inverters:
• SB 6000TLUS-12 / 7000TLUS-12 / 8000TLUS-12 / 9000TLUS-12 / 10000TLUS-12 /
11000TLUS-12
• STP 12000TL-US-10 / 15000TL-US-10 / 20000TL-US-10 / 24000TL-US-10
For safety reasons, it is forbidden to modify the product or install components that are not explicitly
recommended for this product or distributed by SMA.
Use this product only in accordance with the enclosed documentation and with the local standards
and directives. Any other use can result in personal injury or property damage.
• Do not mount the product in areas where flammable gases may occur.
• Do not mount the product in areas where highly flammable materials are stored.
• Do not install the product in potentially explosive atmospheres.
Item Designation
APV modules
B Connection Unit
C Sunny Tripower
D Circuit breaker
E Utility grid