INDEX
USER page INSTALLER page MAINTENANCE TECHNICIAN page
1 Boiler installation .......................................5
1.1 Installation recommendations. .................5
1.2 Position of the appliances. ........................5
1.3 Aeration and Ventilation of the
installation rooms. .....................................5
1.4 Outdoor installation. ................................. 6
1.5 Anti-freeze protection. ...............................6
1.6 Main dimensions. .......................................6
1.7 Attachments. ...............................................7
1.8 Commands for heat adjustment
(Optional). .................................................. 8
1.9 Installation of the air intake and ue
exhaust terminals. .......................................9
1.10 Boiler installation in type “C”
conguration. ............................................11
1.11 Boiler installation in type “B23”
conguration. ............................................12
1.12 Ducting of existing ues. .........................13
1.13 Flue exhaust with boilers in cascade. .....14
1.14 System lling. ............................................14
1.15 Filling the condensate trap. .....................14
1.16 Gas system start-up. .................................15
1.17 Boiler start up (ignition). .........................15
1.18 Circulation pump......................................15
1.19 Kits available on request. .........................15
1.20 Boiler components. ...................................16
1.21 Hydraulic diagram con optional. ............17
1.22 Hydraulic Diagram for No. 2 boilers in
cascade with optional. ..............................18
1.23 Hydraulic Diagram for No. 3 boilers in
cascade with optional. ..............................18
1.24 Installation examples of individual
boiler. ..........................................................19
1.25 Installation examples of boiler in
cascade. ......................................................20
2 Instructions for use and maintenance....21
2.1 Cleaning and maintenance. .....................21
2.2 Aeration and Ventilation of the
installation rooms. ....................................21
2.3 General warnings. .....................................21
2.4 Control panel.............................................21
2.5 Restore heating system pressure .............23
2.6 Draining the system. ...............................23
2.7 Anti-freeze protection. ............................23
2.8 Case cleaning. ...........................................23
2.9 Decommissioning. ....................................23
3 Boiler commissioning (initial check) .....24
3.1 Hydraulic Diagram. ..................................24
3.2 Wiring diagram. ........................................25
3.3 Appliance functioning parameters. ........26
3.4 Functioning anomalies with manual
rearm. .........................................................27
3.5 Functioning anomalies with electric
rearm. .........................................................28
3.6 Converting the boiler to other
types of gas. ................................................29
3.7 Checks following conversion to another
type of gas. .................................................29
3.8 Possible adjustments ................................29
3.9 Adjustment of the air-gas ratio. .............29
3.10 Check combustion parameters. ..............29
3.11 Regulation of the CH nominal output. ..29
3.12 Regulation of the CH minimum output. 29
3.13 Regulation of the heat output in
DHW mode. ..............................................29
3.14 Pump operating mode. ............................30
3.15 “Chimney sweep function”. .....................30
3.16 Pump anti-block function. ......................30
3.17 Radiators anti-freeze function. ...............30
3.18 Maximum ow temperature value in
central heating mode. ...............................30
3.19 Casing removal. ........................................31
3.20 Yearly control and maintenance of the
appliance. ...................................................32
3.21 Variable heat power. .................................32
3.22 Combustion parameters. .........................33
3.23 Technical data. ..........................................33