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. ..........................................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 flue 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 filling. ............................................16
1.21 Condensate trap filling. ............................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. ...................................19
1.27 Hydraulic diagram with optional. ..........20
1.28 Installation examples of individual
boiler. ..........................................................21
2 Use and maintenance instructions .........22
2.1 Cleaning and maintenance. .....................22
2.2 Aeration and Ventilation of the
installation rooms. ....................................22
2.3 General warnings. .....................................22
2.4 Control panel.............................................23
2.5 Using the boiler. ........................................23
2.6 Troubleshooting. .......................................25
2.7 Info menu. .................................................27
2.8 Boiler shutdown. ......................................27
2.9 Restoring central heating
system pressure. .......................................27
2.10 System drainage. ......................................27
2.11 Anti-freeze protection. .............................27
2.12 Case cleaning. ...........................................27
2.13 Decommissioning. ....................................27
3 Boiler commissioning .............................28
3.1 Hydraulic diagram. ...................................28
3.2 230 V circuit wiring diagram. .................29
3.3 very low voltage wiring diagram. ...........30
3.4 D.H.W. pump boiler and tank probe
wiring diagram. .........................................31
3.5 Common flow probe and 3-way boiler
wiring diagram. .........................................31
3.6 Simple cascade boiler with D.H.W. pump
and tank probe wiring diagram. .............31
3.7 Troubleshooting. .......................................32
3.9 Programming the boiler P.C.B. ...............32
3.10 Converting the boiler to other types
of gas. ..........................................................35
3.11 Checks following conversion to another
type of gas. .................................................35
3.12 Adjustment of the air-gas ratio. ..............35
3.13 CH output adjustment. ............................35
3.14 Output adjustment during DHW (only
in combination with an optional external
storage tank). .............................................35
3.15 "Chimney Sweep" function. .....................36
3.16 3-way pump anti-block function
(optional). ..................................................36
3.17 Radiators anti-freeze function. ...............36
3.18 Anti-humidity electrode function. .........36
3.19 Inlet 0 ÷ 10 V. ............................................36
3.20 Functioning with common flow probe. .36
3.21 Autodetection. ...........................................36
3.22 Simple cascade (max. 2 boilers) ..............36
3.23 Yearly appliance check and
maintenance. .............................................37
3.24 Casing removal. ........................................38
3.25 Variable heat output. ................................40
3.26 Combustion parameters. .........................43
3.27 Technical data. ..........................................44
3.28 Key for Data plate. ....................................45
3.29 Technical parameters for mixed boilers (in
compliance with Regulation 813/2013). 46