Ariston E-Combi 24

INDEX
Overview ..........................................................................................3
General Information ............................................................................................. 3
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
Flushing and water treatment ........................................................................12
System Controls ................................................................................................... 12
Location ..................................................................................................................12
Condensate Discharge ......................................................................................13
Installing the Boiler .............................................................................................14
Method of positioning the boiler on the wall ...........................................14
Connecting the boiler to the system............................................................14
Safety valve discharge and Condensate Outlet .......................................15
Gas Connection ....................................................................................................15
Water Connection ...............................................................................................15
Instructions for Opening the Casing and Performing an
Internal Inspection ..........................................................................................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) ................................................ 20
Fitting the Twin Pipe (Ø 80/80) .......................................................................21
Table of  ue exhaust duct lenghts ................................................................23
Type of air suction/ ue gas exgaust ducting ............................................23
Electrical Connections .......................................................................................24
Peripheral Unit Connection .............................................................................24
Room Thermostat Connection .......................................................................25
Electrical Diagram ...............................................................................................26
Commissioning ..............................................................................28
Initial Preparation ................................................................................................28
Electricity Supply .................................................................................................28
Filling the Heating System ............................................................................... 28
Filling of the DHW System (Combi only) ..................................................... 28
Gas Supply ............................................................................................................. 28
Water Treatment ..................................................................................................28
First Igniton Operation ...................................................................................... 29
First Ignition ..........................................................................................................30
Adjust the C.H. Ignition delay .........................................................................30
Regulating the maximum C.H. power & Soft Ignition ............................30
Test Function and Combustion Analysis .....................................................31
Maximum gas  ow combustion analysis ....................................................31
Minimum gas  ow combustion analysis ....................................................31
Gas setting .............................................................................................................31
Boiler Protection Devices ..............................................................32
Boiler Protection Devices .................................................................................32
Safety shut-o ......................................................................................................32
Shutdown ...............................................................................................................32
Anti-Frost Device ................................................................................................. 32
Table summarising error codes ......................................................................32
Maintenance ..................................................................................33
General Comments ............................................................................................. 33
Oprational Test .....................................................................................................33
Draining procedures ..........................................................................................33
Cleaning the primary exchanger ...................................................................33
Combustion analysis ..........................................................................................33
Maintenance guide ........................................................................34
General Access .....................................................................................................34
Electrical Unit ........................................................................................................35
Control box access ............................................................................................35
Fuse ........................................................................................................................35
Main P.C.B. ............................................................................................................36
Display P.C.B.........................................................................................................36
Hydraulic Unit .......................................................................................................37
Right hand hydraulic block assembly ........................................................ 37
3 Way valve unit ...............................................................................................38
Draining ..............................................................................................................38
Automatic air vent ..........................................................................................39
Primary water pressure sensor ................................................................... 39
Pump....................................................................................................................40
C.H. Filter ............................................................................................................ 41
D.H.W. Flow Switch assembly ......................................................................41
Left hand Hydraulic block assembly .......................................................... 42
Secondary Exchanger .................................................................................... 42
Condensate Trap ................................................................................................43
Safety valve ..........................................................................................................43
By-pass assembly ..............................................................................................44
Temperature sensor ..........................................................................................44
Manual air vent .................................................................................................. 45
Main heat exchanger ....................................................................................... 45
Burner Unit ............................................................................................................46
Spaeck generator ..............................................................................................47
Electrodes ............................................................................................................47
Burner ....................................................................................................................48
Fan ..........................................................................................................................49
Gas valve ...............................................................................................................50
Annual Maintenance ..........................................................................................51
Fault Finding .........................................................................................................52
Benchmark Commissioning Checklist .........................................................53
Benchmark Service Interval Record ..............................................................54
Spare Parts Short List .........................................................................................55