4
1 Preliminary note
1.1 Symbols used
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Instruction
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Reaction, result
[…] Designation of pushbuttons, buttons or indications
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Cross-reference
Important note
Non-compliance can result in malfunction or interference�
Information
Supplementary note�
2 Safety instructions
•
Please read this document prior to set-up of the unit� Ensure that the product is
suitable for your application without any restrictions�
•
The unit must be connected by a qualified electrician�
•
The national and international regulations for the installation of electrical
equipment must be adhered to�
•
The unit complies with the standard EN 61000-6-4 and is a class A product�
The radiated energy of the microwaves is, for example, much below that of
mobile phones� According to the current state of science the operation of the
unit can be classified to be harmless to human health�
•
The unit may cause radio interference in domestic areas� If interference occurs,
the user must take appropriate remedial actions�
14 Maintenance ����������������������������������������������������������������������������������������������������37
15 Applications������������������������������������������������������������������������������������������������������38
15�1 Minimum level monitoring with early warning and alarm ���������������������������38
15�2 Pumping station / empty the tank with overflow protection ������������������������39