2 Safety instructions
2017/05
99609x4x5-mub-en – V05
7
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 mentioned in this manual
WARNING
Danger of scalding due to vapour escape!
With pressure relief valves there is risk of scalding due to vapour escape.
During installation, check the local conditions and if a discharge line must be
connected to the safety group.
Observe the instructions regarding the pressure relief valve.
The pressures calculated by the installation planner for the expansion tank
and the operating pressure of the installation must be set.
WARNING
Personal injury due to polluted potable water!
The heating water contains harmful substances, that must not be washed into the
domestic hot water circuit.
If the station was used for charging a buffer tank there is still, after draining,
heating water in the valves and fittings and in the pump of the secondary circuit. It
can not be removed without residue.
The station must not be connected to a domestic hot water circuit.
