General Notes - Graf SILENTIO Notice D'installation Et D'entretien

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
carrying out work on the plant or parts of the system.
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 other manufacturers accessories can impair
the function of the system and liability for any resulting damages will no longer be covered under the
guarantee.
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 floor 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.
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 drink-ing 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 pre-vented. Even when correctly labelled it may
possibly 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.
The GRAF mains water back up supply SILENTIO light is a management system for rain water. It is
intended for service water in private homes and small apartment developments. By using an automatic
back-up supply from mains water that delivers water to the tank if required, the rain water 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
conventional cleaning water.
The GRAF SILENTIO light mains water back-up supply 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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1.

General notes

2. Application
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