INDEX
Overview .......................................................................................................3
General Information ...................................................................................4
CE Labelling ...................................................................................................4
Data Plate Symbols .....................................................................................4
Safety Regulations ......................................................................................5
Product description .................................................................................6
Control Panel.................................................................................................6
Overall View ...................................................................................................7
Overall Dimension ......................................................................................8
Minimum Clearances .................................................................................8
Installation ................................................................................................ 11
Reference Standards ............................................................................... 11
Installing the Boiler .................................................................................. 14
Gas Connection ......................................................................................... 15
Water Connection .................................................................................... 15
Internal Inspection.............................................................................. 15
Underfl oor heating .................................................................................. 16
Connecting the Flue ................................................................................ 18
Cylinder connection ................................................................................ 26
room thermostat .................................................................................. 27
Electrical Diagram .................................................................................... 28
Commissioning ....................................................................................... 32
Initial Preparation ..................................................................................... 32
Electricity Supply ...................................................................................... 32
Gas Supply .................................................................................................. 32
Water Treatment ....................................................................................... 32
Ignition procedure ................................................................................... 34
AUTO Function .......................................................................................... 37
Boiler Protection Devices ...................................................................... 38
Table summarising error codes ........................................................... 38
Anti-Frost Device ...................................................................................... 39
Accessing the Menus .............................................................................. 40
General Comments .................................................................................. 47
Operational Test ........................................................................................ 47
Draining procedures ............................................................................... 47
Cleaning the trap ...................................................................................... 47
General Access .......................................................................................... 48
Electrical Unit ............................................................................................. 49
Hydraulic Unit ............................................................................................ 52
Main Heat Exchanger .............................................................................. 60
Burner Unit ................................................................................................. 61
Fan Unit ........................................................................................................ 64
Gas Valve ...................................................................................................... 65
Annual Maintenance ............................................................................... 66