SMA SB 4200TL HC Multi-String - Manual (Page 8)

Foreword SMA Technologie AG
Page 8 SBTLHCMS-IEN080411 Installation Guide
2. 2 Appropriate Usage
The Sunny Boy is designed for operation in grid-connected PV systems. Any other use
of the leads to loss of the right to all warranty claims and may lead to a fault in the
device. This includes, among other things, the operation at voltage sources without any
current limit. When in doubt, contact SMA.
Plant Design
The Sunny Boy may only be operated with PV-generators (Modules and according ca-
bles) with protection class II.
It is mandatory to ensure that all components will operate within the specified operating
range. The free design tool "Sunny Design" (
www.SMA.de/SunnyDesign ) will help you
with this.
The manufacturer of the modules should have approved the modules for operation with
this Sunny Boy. It is furthermore advisable to implement all measures for maintaining the
module performance (see also Application Note 2 "Module Technology" in the down-
load area of
www.SMA.de ).
2. 3 Validity of the Documentation
The Sunny Boy SB 4200TL HC Multi-String and Sunny Boy SB 5000TL HC Multi-String
are identical except for the technical data. The devices are referred to as Sunny Boy in
case the information applies for both models. The full device name is used in case of
device specific information.