SMA Solar Technology AG
1 Information on this Document
1.1
Validity
This document describes how to replace defective components. This document supplements the
documents that are enclosed with each product and does not replace any locally applicable
standards or directives. Read and observe all documents supplied with the product.
This document is valid for the following device types:
• SB3.0-1SP-US-40 (Sunny Boy 3.0-US)
• SB3.8-1SP-US-40 (Sunny Boy 3.8-US)
• SB5.0-1SP-US-40 (Sunny Boy 5.0-US)
• SB6.0-1SP-US-40 (Sunny Boy 6.0-US)
• SB7.0-1SP-US-40 (Sunny Boy 7.0-US)
• SB7.7-1SP-US-40 (Sunny Boy 7.7-US)
1.2
Target group
The tasks described in this document must only be performed by qualified persons. Qualified
persons must have the following skills:
• Knowledge of how an inverter works and is operated
• Training in how to deal with the dangers and risks associated with installing and using
electrical devices and installations
• Training in the installation and commissioning of electrical devices and installations
• Knowledge of the applicable standards and directives
• Knowledge of and compliance with this document and all safety information
1.3
Symbols
Symbol
1.4
Nomenclature
Complete designation
Sunny Boy
Service Manual
Explanation
Information that is important for a specific topic or goal, but is not
safety-relevant
Indicates a requirement for meeting a specific goal
Desired result
A problem that might occur
Designation in this document
Inverter, product
SB30-77-1SP-US-40-AT-COM-SG-xx-10
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