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1. General notes
1.1
Safety
The relevant accident prevention regulations according to BGV C22 must be observed during all work.
Furthermore, when carrying out assembly and installation work, inspection, maintenance and repairs, all
work regulations and norms must be followed. You will find the advice in the appropriate sections of these
instructions.
The installation of the system and/or single equipment parts must be carried out by a professional worker.
The complete system must always be out of operation and guarded against unauthorized use when carry-
ing out work on the plant or parts of the system.
Certain parts of the system are under electrical voltage and must not be opened. Working on the electrical
system may only be carried out by a professional electrician.
All electrical wiring and connections must be in faultless condition. If damaged, the system may under no
circumstances be brought into operation.
In case of damage, the equipment may lose water. The equipment can be safeguarded by the installation
a ground drainage system.
In the case of inadequate fastening or poor assembly conditions, the equipment may fall, so it is important
to check that the wall material and the fixing brackets are adequate for the load.
The GRAF Company offers an extensive range of accessories that are all compatible with one another and
may be used to construct a complete system. The use of accessories that have not been approved by
GRAF results in the exclusion of the warranty/guarantee.
1.2
Identification obligation
The water in these systems is not suitable for consumption or personal hygiene.
All pipe work and outlets of the water systems are to be labelled with the words “
Not drinking water
” either
in words or graphically (German norm DIN 1988 Part 2, paragraph 3.3.2.) so that after years of use, an
accidental connection to the drinking water system is prevented. Even when correctly labelled it may pos-
sibly be mistaken, for example by children. For this reason, all the outlets of the systems process water
must be fitted with
child-proof locks
.
The system has no influence on the quality of the process water.
2. Application
The GRAF drinking water feeding module is a float switch controlled management system for rain water
usage. It is intended for service water in private homes and small apartment developments. By using an
automatic back-up supply from mains drinking water that delivers water to the tank if required, the rain wa-
ter system guarantees the supply of process water.
The process water may be used to water the garden, to flush the toilet, for washing clothes and as conven-
tional cleaning water.
The drinking water feeding module must be installed in a frost free and dry environment that is above any
flood levels. Further information regarding the systems specifications, assembly and operation are detailed
in the following sections.
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