3.2
Initial check ...................................................................................................................................................................................................63
3.3
3.4
Hydraulic diagram .......................................................................................................................................................................................66
3.5
Wiring diagram ............................................................................................................................................................................................67
3.6
Troubleshooting ...........................................................................................................................................................................................68
3.7
3.8
Fan speed calibration ...................................................................................................................................................................................70
3.9
/O
regulation ........................................................................................................................................................................................71
2
2
3.11 P.C.B. programming ....................................................................................................................................................................................72
3.13 Screed heater function..................................................................................................................................................................................79
3.14 Automatic vent function (dl) .......................................................................................................................................................................80
3.15 Flue installation (FU) ...................................................................................................................................................................................80
3.16 Maintenance function (MA) .......................................................................................................................................................................80
3.17 "Chimney sweep" function .........................................................................................................................................................................81
3.18 Pump anti-block function ...........................................................................................................................................................................81
3.19 Three-way anti-block system .......................................................................................................................................................................81
3.20 Radiators antifreeze function .....................................................................................................................................................................81
3.21 Casing removal .............................................................................................................................................................................................82
3.23 Replacing manifold seals .............................................................................................................................................................................87
4
Technical data .......................................................................................................................................................................... 90
4.1
Variable heat output .....................................................................................................................................................................................90
4.2 Combustion parameters ..............................................................................................................................................................................92
4.3 Technical data table ......................................................................................................................................................................................93
4.4
Key for data nameplate .................................................................................................................................................................................94
4.6
4.7
3