SMA SC 500HE-US Maintenance Manual - Manual (Page 10)

2 Safety SMA America, LLC
10 SC500HEUS-eng-WH-IUS120411 Maintenance Manual
2 Safety
This section describes general safety rules that must always be observed when working on and with
the Sunny Central. Read this section in order to prevent personal injury and property damage and to
ensure long-lasting operation of the Sunny Central.
2.1 Intended Use
The Sunny Central is an inverter that converts direct current generated in the PV modules into
alternating current when the DC input voltage is in the 330 V to 600 V range, and when the
permissible ambient conditions are adhered to. The alternating current that is generated is fed into the
power distribution grid by a transformer that is connected in series. The Sunny Central is suitable for
operation in outdoor areas. The Sunny Central meets NEMA 3R protection class standards and can
also be operated in rain, snow, and sleet.
Only persons meeting all of the qualification standards for the target audience may work on or with
the Sunny Central.
Intended use also includes observance of the service and maintenance intervals specified in this
document.
All work on the Sunny Central must be performed with the appropriate tools.
In order to ensure that the Sunny Central is used as intended, this documentation must be read and
all safety precautions and messages must be duly noted and followed.
The Sunny Central may not be rebuilt or modified, and additional component parts may not be
installed without the express consent of SMA America, LLC.
The Sunny Central may not be operated with its doors open.
The Sunny Central may not be opened when it is raining or when humidity exceeds 95%.
The Sunny Central may only be operated when it is in perfect working order. This must be ensured by
observance of the service and maintenance intervals specified in this document. In addition, the
maintenance work that has been performed must be documented by the customer in the maintenance
report and also with photos.
Any use of the Sunny Central other than what is described in this section is not regarded as intended
use.
2.2 Target Audience Skills
A qualified skilled person has been adequately trained and has demonstrated the ability and
knowledge to operate and maintain the device. A qualified skilled person has been trained in how to
deal with the dangers and risks associated with installation of electrical equipment as specified in
29 CFR, Chapter XVII, Part 1910 (OSHA), NEC, and NFPA 70E, and has all the necessary
knowledge for averting danger. There must be written documentation of the training.