INDEX
USER page INSTALLER page MAINTENANCE TECHNICIAN page
1 Boiler installation .......................................5
1.1 Installation recommendations. .................5
1.2 Position of the appliances. ........................ 6
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 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 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 exhaust with boilers in cascade. .....16
1.19 System lling. ............................................16
1.20 Condensate trap lling. ............................16
1.21 Gas system start-up. .................................16
1.22 Boiler start up (ignition). ......................... 16
1.23 Circulation pump......................................17
1.24 Kits available on request. .........................17
1.25 Boiler components. ...................................18
1.26 Hydraulic diagram with optional. ..........19
1.27 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
3.2 230 v circuit wiring diagram. ..................28
3.3 very low voltage wiring diagram. ...........29
3.4 D.H.W. pump boiler and tank probe
wiring diagram. .........................................30
3.5 Common ow probe and 3-way
boiler wiring diagram...............................30
3.6 Simple cascade boiler with D.H.W. pump
and tank probe wiring diagram. .............30
3.7 Troubleshooting. ....................................... 31
3.8 Programming the boiler P.C.B. ...............31
3.9 Converting the boiler to
other types of gas. .....................................34
3.10 Checks following conversion to another
type of gas. .................................................34
3.11 Adjustment of the air-gas ratio. ..............34
3.12 CH output adjustment. ............................34
3.13 Output adjustment during DHW
(only in combination with an optional
external storage tank). ..............................34
3.14 “Chimney Sweep” function. ....................34
3.15 3-way pump anti-block function
(optional). ..................................................35
3.16 Radiators anti-freeze function. ...............35
3.17 Anti-humidity electrode function. ......... 35
3.18 Inlet 0 ÷ 10 V. ............................................35
3.19 Functioning with common ow probe. . 35
3.20 Autodetection. ...........................................35
3.21
Simple cascade (max. 2 boilers) ................35
3.22 Yearly appliance check
and maintenance. ......................................36
3.23 Casing removal. ........................................37
3.24 Variable heat output. ................................39
3.25 Combustion parameters. .........................40
3.26 Technical data. ..........................................40
3.27 Exploded boiler diagram. ........................41
3.28 Spare part list. ............................................42
3.29 Boiler registration. .................................... 43
3.30 Commissioning boiler check list. ...........44
3.31 Service records. ......................................... 45
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