3
2.10 Antifreeze protection ...................................................................................................................................................................................82
2.11 Prolonged inactivity .....................................................................................................................................................................................82
2.12 Cleaning the case ..........................................................................................................................................................................................82
2.13 Permanent shutdown ...................................................................................................................................................................................82
3 Instructions for maintenance and initial check ....................................................................................................................... 83
3.1 General recommendations ..........................................................................................................................................................................83
3.2 Initial check ...................................................................................................................................................................................................84
3.3 Yearly appliance check and maintenance ...................................................................................................................................................85
3.4 Hydraulic diagram .......................................................................................................................................................................................87
3.5 Wiring diagram ............................................................................................................................................................................................88
3.6 Troubleshooting ...........................................................................................................................................................................................89
3.7 Converting the appliance to other types of gas ..........................................................................................................................................90
3.8 Fan speed calibration ...................................................................................................................................................................................91
3.9 CO
2
/O
2
regulation ........................................................................................................................................................................................92
3.10 Checks following conversion to another type of gas..................................................................................................................................93
3.11 P.C.B. programming ....................................................................................................................................................................................93
3.12 Password-protected special functions .......................................................................................................................................................99
3.13 Screed heater ...............................................................................................................................................................................................100
3.14 Automatic vent function (dl) .....................................................................................................................................................................101
3.15 Flue installation (FU) .................................................................................................................................................................................101
3.16 Maintenance function (MA) .....................................................................................................................................................................101
3.17 Chimney sweep ........................................................................................................................................................................................... 102
3.18 Pump anti-block .........................................................................................................................................................................................102
3.19 ree-way anti-block .................................................................................................................................................................................102
3.20 Radiator antifreeze .....................................................................................................................................................................................102
3.21 Casing removal ...........................................................................................................................................................................................103
3.22 Replacing the manifold insulating panel .................................................................................................................................................106
3.23 Assembly of manifold gasket on condensation module ..........................................................................................................................108
3.24 Assembling the manifold on the condensation module .........................................................................................................................110
4 Technical data .........................................................................................................................................................................111
4.1 Variable heat output ...................................................................................................................................................................................111
4.2 Combustion parameters ............................................................................................................................................................................ 113
4.3 Technical data table ....................................................................................................................................................................................114
4.4 Key for data nameplate ...............................................................................................................................................................................115
4.5 Technical parameters for combination boilers (in compliance with Regulation 813/2013) ...............................................................116
4.6 Product che (in compliance with Regulation 811/2013) .......................................................................................................................118
4.7 Parameters for lling in the package che ............................................................................................................................................... 120