Immergas EOLO Maior - Default Chapter; Table of Contents

1 Boiler Installation......................................................................................................................................3
1.1 Warnings. .................................................................................................................................................3
1.2 Main dimensions. .....................................................................................................................................3
1.3 Connection unit (supplied as standards with the boiler). .........................................................................4
1.4 Installing air intake and flue exhaust terminals. .......................................................................................6
1.5 Flue exhaust via flues. ...........................................................................................................................15
1.6 Existing ducting flues. ............................................................................................................................15
1.7 Chimneys/Flues. ....................................................................................................................................16
1.8 System filling. .........................................................................................................................................16
1.9 Gas system start-up. ..............................................................................................................................16
1.10 Boiler start-up (ignition). .........................................................................................................................16
1.11 Circulation pump. ...................................................................................................................................17
1.12 Eolo 21-24 Maior @ boiler components. ...............................................................................................19
1.13 Eolo 27 Maior @ boiler components. .....................................................................................................20
1.14 Kits available on request. .......................................................................................................................20
2 Operation and maintenance instructions ...............................................................................................21
2.1 Preliminary testing. ................................................................................................................................21
2.2 Cleaning and Maintenance. ...................................................................................................................21
2.3 General Warnings. .................................................................................................................................21
2.4 Eolo Maior @ - Control Panel. ...............................................................................................................21
2.5 Breakdowns and anomalies signaling....................................................................................................22
2.6 Boiler shutdown. ....................................................................................................................................23
2.7 Heating system pressure. ......................................................................................................................23
2.8 Draining the system. ..............................................................................................................................23
2.9 Anti-freeze protection. ............................................................................................................................23
2.10 Casing cleaning.......................................................................................................................................23
2.11 Decommissioning...................................................................................................................................23
3 Boiler start-up (preliminary testing) ........................................................................................................24
3.1 Eolo Maior @ hydraulic circuit diagram. ................................................................................................24
3.2 Eolo Maior @ electrical circuit diagram. ................................................................................................25
3.3 Troubleshooting. ....................................................................................................................................26
3.4 Converting the boiler in case of gas change. .........................................................................................26
3.5 Checks following conversion to other type of gas. .................................................................................26
3.6 Possible adjustments for Eolo Maior @. ................................................................................................26
3.7 Eolo Maior @ boiler slow ignition adjustment. .......................................................................................27
3.8 Permanent reduction in timing. ..............................................................................................................27
3.9 Pump antiblock function. ........................................................................................................................27
3.10 Radiator antifreeze function. ..................................................................................................................27
3.11 Casing disassembly. ..............................................................................................................................28
3.12 Annual appliance maintenance. .............................................................................................................29
3.13 Eolo 21 Maior @ variable heating power. ..............................................................................................30
3.14 Eolo 24 Maior @ variable heating power. ..............................................................................................30
3.15 Eolo 27 Maior @ variable heating power. ..............................................................................................31
3.16 Eolo 21 Maior @ technical specifications. .............................................................................................32
3.17 Eolo 24 Maior @ technical specifications. .............................................................................................33
3.18 Eolo 27 Maior @ technical specifications. .............................................................................................34
INDEX
INSTALLER pag.
USER pag.
TECHNICIAN pag.
Immergas S.p.A. declines any responsibility for printing or writing errors, and reserves the right to alter commercial
and technical specifications without prior notice.