28 cod. 3541S060 - Rev. 00 - 05/2019ECO P N1 Operating instructions .......................................................................................................... 291.1 Introduction........................................................................................................................................... 291.2 Control panel ........................................................................................................................................ 291.3 Lighting and shutdown ......................................................................................................................... 301.4 Adjustments.......................................................................................................................................... 311.5 Operating instructions .......................................................................................................................... 371.6 Cleaning the burner grille ..................................................................................................................... 372 Installation .............................................................................................................................. 382.1 General Instructions ............................................................................................................................. 382.2 Installation in boiler............................................................................................................................... 382.3 Electrical connections........................................................................................................................... 412.4 Fuel supply ........................................................................................................................................... 412.5 Connection to an external tank for domestic hot water production ......................................................423 Service and maintenance...................................................................................................... 443.1 Commissioning..................................................................................................................................... 443.2 Maintenance......................................................................................................................................... 453.3 Troubleshooting.................................................................................................................................... 474 TECHNICAL DATA AND CHARACTERISTICS ..................................................................... 484.1 Dimensions........................................................................................................................................... 484.2 General view and main components .................................................................................................... 494.3 Technical data table ............................................................................................................................. 494.4 Wiring diagram ..................................................................................................................................... 50