1.1 Introduction......................................................................................................................................... 136

1.2 Control panel ...................................................................................................................................... 136

1.3 Lighting and shutdown ....................................................................................................................... 140

1.4 Adjustments........................................................................................................................................ 141

2 Installation ............................................................................................................................ 149

2.1 General Instructions ........................................................................................................................... 149

2.2 Place of installation ............................................................................................................................ 149

2.3 Plumbing connections ........................................................................................................................ 149

2.4 Gas connection .................................................................................................................................. 166

2.5 Electrical connections......................................................................................................................... 166

2.6 Flue connection .................................................................................................................................. 169

2.7 Condensate drain connection............................................................................................................. 170

3 Service and maintenance.................................................................................................... 171

3.1 Adjustments........................................................................................................................................ 171

3.2 Commissioning ................................................................................................................................... 176

3.3 Maintenance ....................................................................................................................................... 177

3.4 Troubleshooting.................................................................................................................................. 180

4 Technical data and characteristics .................................................................................... 183

4.1 Dimensions, connections and main components ............................................................................... 184

4.2 Hydraulic circuit .................................................................................................................................. 188

4.3 Technical data table ........................................................................................................................... 189

4.4 ErP tables ........................................................................................................................................... 191

4.5 Diagrams ............................................................................................................................................ 193

4.6 Wiring diagrams ................................................................................................................................. 194

135

cod. 3541R963 - Rev. 00 - 09/2021

Tabla de Contenido