INDICE
USER pag.
Immergas S.p.A. declines all liability due to printing or transcription errors, reserving the right to make any modications to its technical and commercial
documents without forewarning.
INSTALLATOR pag.
MAINTENANCE TECHNICIAN page
1 Boiler
installation ......................................5
1.1 Installation recommendations. ................5
1.2 Main dimensions. ......................................6
1.3 Anti-freeze protection. .............................6
1.4 Connections. ..............................................7
1.5 Remote controls and room chrono-
thermostats (optional). .............................8
1.6 External probe (optional). ........................8
1.7 Immergas ue systems. .............................9
1.8 Outdoor installation in partially protected
area. ............................................................. 9
1.9 Indoor installation. .................................13
1.10 Flue exhaust to ue/chimney. ................ 17
1.11 Ducting of existing ues. ........................17
1.12 Flues, chimneys and chimney caps. ...... 17
1.13 System lling. ...........................................17
1.14 Gas system start-up. ................................ 17
1.15 Boiler start-up (ignition). .......................17
1.16 Circulation pump. ................................... 18
1.17 Kits available on request. ........................ 19
1.18 Boiler components. ................................. 19
2 Instructions for use and maintenance .. 20
2.1 Cleaning and maintenance. ...................20
2.2 General warnings. ...................................20
2.3 Control panel. .......................................... 20
2.4 Using the boiler........................................21
2.5 Troubleshooting. .....................................21
2.6 Boiler shutdown ......................................22
2.7 Restore central heating
system pressure. .......................................22
2.8 System draining. ...................................... 22
2.9 Anti-freeze protection. ...........................22
2.10 Case cleaning. ..........................................22
2.11 Decommissioning. ..................................22
3 Boiler start-up
(initial check) ........................................... 23
3.1 Hydraulic diagram. .................................23
3.2 Wiring diagram. ......................................24
3.3 Troubleshooting. .....................................24
3.4 Information menu. .................................. 25
3.5 Programming the p.C.B. ........................25
3.6 Converting the boiler to other types of
gas. .............................................................27
3.7 Checks following conversion to another
type of gas. ................................................27
3.8 Possible adjustments ............................... 27
3.9 Slow automatic ignition function. .........27
3.10 “Chimney sweep” function. ...................28
3.11 Pump anti-block function. .....................28
3.12 ree-way anti-block function. ............. 28
3.13 Radiators anti-freeze function. ..............28
3.14 P.C.B. Periodical self-check. ...................28
3.15 Solar panels coupling function. ............. 28
3.16 Yearly appliance check and
maintenance. ............................................ 28
3.17 Casing removal. ....................................... 29
3.18 Variable heat output. ...............................31
3.19 Combustion parameters. ........................ 32
3.20 Technical data. ......................................... 33
3.21 Data plate key. ..........................................34