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. ...........................................................6
1.4 Outdoor installation. ..................................6
1.5 Anti-freeze protection. ...............................6
1.6 Main dimensions. ...................................... 7
1.7 Gas connection
(Appliance category II2H3P). ................... 7
1.8 Hydraulic connection. ................................7
1.9 Electric connection. .................................... 8
1.10 Optional boiler controllers. .......................9
1.11 External temperature probe. .....................9
1.12 Immergas ue systems. ............................10
1.13 Tables of equivalent length factors. ........11
1.14 Concentric horizontal kit installation. ...12
1.15 Concentric Vertical kit installation. .......13
1.16 Installation of vertical terminals 80 ø. ...14
1.17 Installation of 80 ø horizontal terminals. 15
1.18 Flue duct systems for voids and
chimneys. ...................................................16
1.19 Flue exhaust with boilers in cascade. .....16
1.20 System lling. ............................................16
1.21 Condensate trap lling. ............................16
1.22 Gas system start-up. .................................16
1.23 Boiler start up (ignition). .........................16
1.24 Circulation pump......................................17
1.25 Kits available on request. .........................17
1.26 Boiler components. ...................................18
1.27 Hydraulic diagram with optional. ..........19
1.28 Installation examples of
individual boiler. .......................................20
2 Use and maintenance instructions .........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.............................................22
2.5 Using the boiler. ........................................22
2.6 Troubleshooting. .......................................24
2.7 Info menu. .................................................26
2.8 Boiler shutdown. ......................................26
2.9 Restoring central heating
system pressure. ........................................26
2.10 System drainage. ......................................26
2.11 Anti-freeze protection. ............................26
2.12 Case cleaning. ............................................26
2.13 Decommissioning. ....................................26
3 Boiler commissioning
(initial check) ............................................27
3.1 Hydraulic diagram. ...................................27
3.2 Wiring diagram. ........................................28
3.3 D.H.W. pump boiler and tank probe
wiring diagram ..........................................29
3.4 Common ow probe and 3-way boiler
wiring diagram ..........................................29
3.5 Simple cascade boiler with D.H.W. pump
and tank probe wiring diagram. .............29
3.6 Troubleshooting. .......................................30
3.7 Programming the boiler P.C.B. ...............30
3.8 Converting the boiler to other
types of gas. ................................................33
3.9 Checks following conversion to another
type of gas. .................................................33
3.10 Adjustment of the air-gas ratio. .............33
3.11 CH output adjustment. ............................33
3.12 Output adjustment during DHW (only
in combination with an optional external
storage tank). .............................................33
3.13 “Chimney Sweep” function. ....................33
3.14 3-way pump anti-block function
(optional). ..................................................34
3.15 Radiators anti-freeze function. ...............34
3.16 Anti-humidity electrode function. .........34
3.17 Inlet 0 ÷ 10 V. ............................................34
3.18 Functioning with common ow probe. .34
3.19 Autodetection. ...........................................34
3.20 Simple cascade (max. 2 boilers) ..............34
3.21 Yearly appliance check and
maintenance. .............................................35
3.22 Casing removal. ........................................36
3.23 Variable heat output. ................................38
3.24 Combustion parameters. .........................39
3.25 Technical data. ..........................................40
3.26 Key for Data plate. ....................................41
3.27 Technical parameters for mixed boilers (in
compliance with Regulation 813/2013). 42
3.28 Product data sheet (in compliance with
Regulation 811/2013). ..............................43
3.29 Parameters for lling in
the assembly sheet. ...................................44
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