3
3.1
General recommendations ..........................................................................................................................................................................61
3.2
Initial check ...................................................................................................................................................................................................62
3.3
3.4
Hydraulic diagram .......................................................................................................................................................................................65
3.5
Wiring diagram ............................................................................................................................................................................................66
3.6
Troubleshooting ...........................................................................................................................................................................................67
3.7
3.8
Fan speed calibration ...................................................................................................................................................................................69
3.9
/O
regulation ........................................................................................................................................................................................70
2
2
3.11 P.C.B. programming ....................................................................................................................................................................................71
3.13 Screed heater .................................................................................................................................................................................................78
3.14 Automatic vent function (dl) .......................................................................................................................................................................79
3.15 Flue installation (FU) ...................................................................................................................................................................................79
3.16 Maintenance function (MA) .......................................................................................................................................................................79
3.17 Chimney sweep .............................................................................................................................................................................................80
3.18 Solar panels coupling....................................................................................................................................................................................81
3.19 Pump anti-block ...........................................................................................................................................................................................81
3.20 Three-way anti-block ...................................................................................................................................................................................81
3.21 Radiator antifreeze .......................................................................................................................................................................................81
3.22 Casing removal .............................................................................................................................................................................................82
4
Technical data .......................................................................................................................................................................... 90
4.1
Variable heat output .....................................................................................................................................................................................90
4.2 Combustion parameters ..............................................................................................................................................................................93
4.3 Technical data table ......................................................................................................................................................................................95
4.4
Key for data nameplate .................................................................................................................................................................................96
4.6
4.7
3