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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