Table Of Contents - Baxi TECNO 70-L Installation, Use And Maintenance Instructions

1 Information and general instructions....................................................................................................................................... 2
1.1 Information about the instruction manual ......................................................................................................................................................2
1.2 Guarantee and responsibility ........................................................................................................................................................................3
2 Safety and prevention................................................................................................................................................................ 4
2.1 Introduction ...................................................................................................................................................................................................4
2.2 Personnel training .........................................................................................................................................................................................4
3 Technical description of the burner ......................................................................................................................................... 5
3.1 Technical data...............................................................................................................................................................................................5
3.2 Electrical data................................................................................................................................................................................................5
3.3 Burner description (Fig. 2).............................................................................................................................................................................7
3.4 Firing rates (Fig. 3)........................................................................................................................................................................................8
4 Installation .................................................................................................................................................................................. 9
4.1 Handling ........................................................................................................................................................................................................9
4.2 Preliminary checks ........................................................................................................................................................................................9
4.3 Boiler plate (Fig. 6)......................................................................................................................................................................................10
4.4 Blast tube length (Fig. 7) .............................................................................................................................................................................10
4.5 Securing the burner to the boiler (Fig. 8) ....................................................................................................................................................10
4.6 Choice of nozzles for 1st and 2nd stage .....................................................................................................................................................11
4.7 Nozzle assembly .........................................................................................................................................................................................12
4.8 Combustion head setting ............................................................................................................................................................................13
5 Electrical system ...................................................................................................................................................................... 14
5.1 Notes on safety for the electrical wiring ......................................................................................................................................................14
5.2 Calibration of thermal relay .........................................................................................................................................................................16
6 Hydraulic system...................................................................................................................................................................... 17
6.1 Fuel supply..................................................................................................................................................................................................17
6.2 Hydraulic connections (Fig. 20)...................................................................................................................................................................18
6.3 Pump (Fig. 21) ............................................................................................................................................................................................18
7 Burner calibration .................................................................................................................................................................... 19
7.1 Firing ...........................................................................................................................................................................................................19
7.2 Operation ....................................................................................................................................................................................................19
8 Maintenance.............................................................................................................................................................................. 22
8.1 Burner start-up cycle diagnostics ................................................................................................................................................................24
8.2 Resetting the control box and using diagnostics .........................................................................................................................................24
8.3 Resetting the control box ............................................................................................................................................................................24
8.4 Visual diagnostics .......................................................................................................................................................................................24
8.5 Software diagnostics ...................................................................................................................................................................................25
Contents
1 GB
2916089