1.2 Scope
The original operating instructions (hereinafter referred to as operating instructions) are
valid for the following products:
• APS Series (hardware version: 120, wiring diagram version: 3XX)
The illustrations used in these operating instructions are reduced to the essentials and
may differ from the delivered product. The Manufacturer may change these operating
instructions and content therein.
1.3 Target Audience
All work on the product must be performed by qualified electricians.
Qualified electricians in the sense of these operating instructions are persons familiar
with installation, mounting, commissioning, operating, troubleshooting, maintenance
and disposal of this product. They are familiar with the hazards involved as well as
work- and safety regulations and have the appropriate qualifications. They know how
batteries and PV modules work and are operated.
Unauthorized persons are not allowed to operate the product. These persons must
keep a safe distance from the product.
The transport of the product must be performed by trained and authorized persons,
who have the appropriate qualifications.