INDEX
Overview .......................................................................................................3
General Information ...................................................................................4
Advice for the Installer ...............................................................................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
Technical Information ................................................................................9
Installation ................................................................................................ 11
Reference Standards ...............................................................................11
Installing the Boiler .................................................................................. 14
Gas Connection ......................................................................................... 15
Water Connection .................................................................................... 15
Instructions for Opening the Casing and Performing an
Internal Inspection.............................................................................. 15
Under oor heating .................................................................................. 16
Water circuit diagram..............................................................................17
Connecting the Flue ................................................................................ 18
Fitting the Coaxial Flue (Ø 60/100 Horizontal) ............................... 19
Fitting the 5” Flue (Ø 80/125 Horizontal / Vertical) ....................... 20
Fitting the Coaxial Flue (Ø 60/100 Vertical) ..................................... 21
Fitting the Twin Pipe (Ø 80/80) ............................................................ 22
Electrical Connections ............................................................................ 25
Peripheral Unit Connection .................................................................. 25
Room Thermostat Connection ............................................................ 26
Outdoor Sensor Connection ................................................................ 26
Cylinder connection ................................................................................ 26
Internal mechanical time clock
Internal RF receiver for Ariston programmable
room thermostat .................................................................................. 27
Electrical Diagram .................................................................................... 28
Commissioning ....................................................................................... 32
Initial Preparation ..................................................................................... 32
Electricity Supply ...................................................................................... 32
Filling the Heating System .................................................................... 32
Filling of the DHW System ..................................................................... 32
Gas Supply .................................................................................................. 32
Water Treatment ....................................................................................... 32
First Igniton Operation ........................................................................... 33
Ignition procedure ................................................................................... 34
Test Function and Combustion Analysis .......................................... 35
AUTO Function .......................................................................................... 37
Boiler Protection Devices ................................................................... 38
Boiler Protection Devices ...................................................................... 38
Table summarising error codes ........................................................... 38
Anti-Frost Device ...................................................................................... 39
Settings - Adjustment - Problem Identi cation Menus
Accessing the Menus .............................................................................. 40
Maintenance
General Comments .................................................................................. 47
Operational Test ........................................................................................ 47
Draining procedures ............................................................................... 47
Cleaning the primary exchanger ........................................................ 47
Cleaning the trap ...................................................................................... 47
Maintenance Guide
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
Benchmark Commissioning Checklist .............................................. 68
Benchmark Service Interval Record ................................................... 69
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