6
IRRITROL Decoder Systems
The surge protection decoder
The surge protection decoder is used to protect the
installation in case of lightning strikes.
For more information read section 4.
Various other components
To complement the elements above you will
need grounding rods and splice kits.
2. THE STRUCTURE OF THE FIELD
INSTALLATION
The layout and installation of a 2-wire system is simple,
but certain rules must be obeyed.
Principle of installation of 2-wire, decoders and
valves
The figure shows the principle of the interface, 2-wire,
decoder and valve connection.
The decoders can be installed anywhere on the 2-wire.
They all have a unique address and they don’t have to
be in any particular order.
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