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First ignition by qualified technicians, checks for gas conversion.
Requirements for the installation room and limitations.
Steps for fixing the boiler, including clearances and template use.
Step-by-step guide for filling the system.
Table detailing distances for flue terminals based on heat input.
Step-by-step instructions for installing the high capacity fan.
Instructions for separate pipe flue systems.
Instructions for coaxial system flue configurations.
Operations by qualified personnel and gas leak checks are mandatory.
How to adjust MAX and MIN pressure using adjustment nuts.
Operations by qualified technicians only; do not modify defaults.
Steps to access and modify parameters via the control panel.
Procedure to set maximum heating power according to system design.
Steps for gas transformation including parameter setting and pressure checks.
Steps to initiate and perform combustion checks.
Connecting pipe to draining tap and opening it.
Describes alarm codes and solutions for technical experts.
All servicing operations must be carried out by qualified technicians.
Diagram and list of internal components for EURA 23-28 E.
Wiring diagram for EURA 23-28 E with component labels and colours.
Cause and solution for damaged domestic mini tank sensor.
Cause and solution for damaged heating system flow temperature sensor.
Mandatory use of HERMANN original spare parts.
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