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2 Safety instructions
The installation and commissioning as well as the connection of electrical components require
technical knowledge commensurate with a recognised vocational qualification as a fitter for
plumbing, heating and air conditioning technology, or a profession requiring a comparable
level of knowledge [specialist].
The following must be observed during installation and commissioning:
relevant local and national regulations
accident prevention regulations of the professional association
instructions and safety instructions of this manual
WARNING
Danger of scalding due to vapour escape!
With pressure relief valves, there is a risk of scalding due to vapour escape.
During installation, check if the local conditions require the connection of a
discharge line to the safety group.
For this purpose, please observe the instructions regarding the pressure
The pressures calculated by the installation planner for the expansion
Personal injury due to polluted potable water!
Heating water contains harmful substances that must not be washed into the
domestic hot water circuit.
If the station has been used to charge a buffer tank, there is still heating water
in the valves and fittings and in the pump of the secondary circuit, even after
draining. The heating water can not be completely removed.
The station must not be connected to a domestic hot water circuit
6
relief valve.
tank and the operating pressure of the installation must be set.
WARNING
any more.
996091425-mub-en – V04
2 Safety instructions
2016/05
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