Ariston EGIS HE 24, Installation And Servicing Instructions

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INDEX
1. Overview ................................................................................3
1.1 General Information .............................................................4
1.2 Advice for the Installer .........................................................4
1.3 CE Labelling .........................................................................4
1.4 Data Plate Symbols ..............................................................4
1.5 Safety Regulations ...............................................................5
2. Product description ...............................................................6
2.1 Control Panel .......................................................................6
2.2 Display ..................................................................................6
2.3 Overall View ..........................................................................7
2.4 Overall Dimension ................................................................8
2.5 Minimum Clearances ...........................................................8
2.6 Technical Information ..........................................................9
3. Installation .......................................................................... 10
3.1 Reference Standards ......................................................... 10
3.1.1
Flue ........................................................................... 10
3.1.2 Ventilation ................................................................. 10
3.1.3 Gas Supply ................................................................ 11
3.1.4 Electrical Supply ....................................................... 11
3.1.5 Water Supply ............................................................. 11
3.1.6 Showers .................................................................... 11
3.1.7 Flushing and water treatment .................................. 11
3.1.8 System controls ........................................................ 11
3.1.9 Location .................................................................... 11
3.1.10 Condensate discharge ............................................ 12
3.2 Installing the Boiler ........................................................... 13
3.2.1 Method of positioning the boiler on the wall ............ 13
3.2.2 Connecting the boiler to the system ........................ 13
3.2.3 Safety valve discharge and Condensate outet .......... 13
3.2.4 Gas connection ......................................................... 14
3.2.5 Water connection ...................................................... 14
3.2.6 Graph representing the available circulation pump 14
3.2.7 Underfl oor heating ................................................... 14
3.2.8 Water circuit diagram ............................................... 15
3.3 Instructions for Opening the Casing and Performing an
Internal Inspection ........................................................... 16
3.4 Connecting the Flue ........................................................... 17
3.4.1 Fitting the Coaxial Flue (Ø 60/100 Horizontal) ......... 18
3.4.2 Fitting the 5” Flue (Ø 80/125 Horizontal / Vertical) .. 19
3.4.3 Fitting the Coaxial Flue (Ø 60/100 Vertical) .............. 20
3.4.4 Fitting the Twin Pipe (Ø 80/80) ................................. 21
3.4.5 Table of fl ue gas exhaust duct lenghts ..................... 23
3.5 Electrical Connections ....................................................... 24
3.5.1 Peripheral Unit Connection ...................................... 24
3.5.2 Room Thermostat Connection ................................. 25
3.5.3 Outdoor Sensor Connection ..................................... 25
3.5.4 Internal mechanical time clock
Internal RF receiver for Ariston programmable
room thermostat ....................................................... 26
3.5.5 Electrical Diagram .................................................... 27
4. Commissioning .................................................................. 28
4.1 Initial Preparation .............................................................. 28
4.1.1
Electricity Supply ...................................................... 28
4.1.2 Filling the Heating System ....................................... 28
4.1.3 Filling of the DHW System ........................................ 28
4.1.4 Gas Supply ................................................................ 28
4.1.5 Water Treatment ....................................................... 28
4.2 First Igniton Operation ....................................................... 29
4.3 Ignition procedure .............................................................. 30
4.3.1
Electricity supply ...................................................... 30
4.4 First ignition ....................................................................... 30
4.5 Combustion checking procedure ....................................... 31
4.5.1 Maximum Heating power adjustment ...................... 32
4.5.2 Checking the soft ignition power .............................. 32
4.5.3 Heating ignition delay adjustment ........................... 32
4.5.4 Table summarising changes .................................... 33
4.5.5 Changing the gas supply .......................................... 33
5. Boiler Protection Devices ................................................. 34
5.1 Safety shut-off ................................................................... 34
5.2 Shutdown ........................................................................... 34
5.3 Malfunction warning .......................................................... 34
5.4 Table summarising error codes ........................................ 34
5.5 Anti-Frost Device ............................................................... 35
6. Settings - Adjustment - Problem Identifi cation Menus
6.1 Accessing the Menus ......................................................... 36
7. Maintenance
7.1 General Comments ............................................................ 47
7.2 Operational Test ................................................................. 47
7.3 Draining procedures .......................................................... 47
7.4 Cleaning the primary exchanger ....................................... 47
7.5 Cleaning the trap ............................................................... 47
8. Maintenance Guide
8.1 General Access .................................................................. 40
8.1.1
General access ......................................................... 40
8.2 Electrical Unit .................................................................... 41
8.2.1 Control box access .................................................... 41
8.2.2 Fuse .......................................................................... 42
8.2.3 Main P.C.B. ................................................................ 42
8.2.4 Display P.C.B ............................................................. 43
8.3 Hydraulic Unit .................................................................... 44
8.3.1 Right hand hydraulic block assembly ...................... 44
8.3.2 3 Way valve unit ......................................................... 44
8.3.3 Draining .................................................................... 45
8.3.4 Automatic air vent..................................................... 45
8.3.5 Primary water pressure sensor ............................... 45
8.3.6 Pump ......................................................................... 46
8.3.7 C.H. Filter .................................................................. 47
8.3.8 D.H.W. Flow switch assembly ................................... 47
8.3.9 Left hand hydraulic block assembly ......................... 48
8.3.10 Secondary heat exchanger ...................................... 48
8.3.11 Condensate trap ...................................................... 49
8.3.12 Safety valve .............................................................. 49
8.3.13 By-pass assembly ................................................... 50
8.3.14 Temperature sensors .............................................. 50
8.3.15 Overheat thermostat ............................................... 51
8.3.16 Manual air vent ....................................................... 51
8.3.17 Main heat exchanger ............................................... 52
8.4 Combustion group ............................................................. 55
8.4.1
Spark generator ........................................................ 56
8.4.2 Electrodes ................................................................. 56
8.4.3 Fan ............................................................................ 57
8.4.4 Gas valve ................................................................... 58
8.5 Annual Maintenance .......................................................... 69
Benchmark Commissioning Checklist .................................... 61
Benchmark Service Interval Record........................................ 62