2.10 Antifreeze protection ...................................................................................................................................................................................82
2.11 Prolonged inactivity .....................................................................................................................................................................................82
2.12 Cleaning the case ..........................................................................................................................................................................................82
2.13 Permanent shutdown ...................................................................................................................................................................................82
3
3.1
General recommendations ..........................................................................................................................................................................83
3.2
Initial check ...................................................................................................................................................................................................84
3.3
3.4
Hydraulic diagram .......................................................................................................................................................................................87
3.5
Wiring diagram ............................................................................................................................................................................................88
3.6
Troubleshooting ...........................................................................................................................................................................................89
3.7
3.8
Fan speed calibration ...................................................................................................................................................................................91
3.9
/O
regulation ........................................................................................................................................................................................92
2
2
3.11 P.C.B. programming ....................................................................................................................................................................................93
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 Three-way anti-block .................................................................................................................................................................................102
3.20 Radiator antifreeze .....................................................................................................................................................................................102
3.21 Casing removal ...........................................................................................................................................................................................103
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
4.6
4.7
3