FBII XL-20, Инструкции по подключению и установке

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Conventions Used in This Manual
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Before you begin using this manual, it is important that you understand the meaning of the following symbols.
UL
These notes include specific information which must be followed if you are installing this system
for a UL Listed application.
These notes include information that you should be aware of before continuing with the
installation, and which, if not observed, could result in operational difficulties.
These notes warn of conditions that could seriously affect the operation of the system, or could
cause damage to the system. Please read each warning carefully. This symbol also denotes
warnings about physical harm to the user
.