2.3 OVERALL DIMENSIONS Flange Burner D4049 D4085 INSTALLATION THE BURNER MUST BE INSTALLED IN CONFORMITY WITH LEGISLATION AND LOCAL STANDARDS. 3.1 BOILER FIXING Put on the flange (1) the screw and two nuts, (see fig. 2). Fix the flange (1) to the boiler door (4) using screws (2) and (if necessary) the nuts (3) interposing the insulating gasket (5), (see fig.
3.2 HYDRAULIC SYSTEMS Fig. 4 The pump is designed to allow working with two pipes. In order to obtain one pipe working it is necessary to unscrew the return plug (2) (fig. 4), remove the by-pass screw (3) and then screw again the plug (2).
WORKING 4.1 COMBUSTION ADJUSTMENT In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment and testing must be carried out observing the instruction manual of the boiler, including verification of the CO and CO concentration in the flue gases, their temperatures and the average temperature of the water in the boiler. To suit the required appliance output, fit the proper nozzle, then adjust the pump pressure and the air damper opening in accordance with the following schedule.
4.3 ELECTRODES SETTING IMPORTANT: ATTENTION Fig. 9 THESE DIMENSIONS 4 ± 0.3 mm MUST BE OBSERVED Before removing or assembling the nozzle, loosen the screw (A, fig. 9) and move the electrodes ahead. D5230 2 – 2.5 mm 4.4 PUMP PRESSURE: 12 bar: The pump leaves the factory set at this value.
MAINTENANCE The burner requires periodic maintenance carried out by a qualified and authorised technician in conformity with legislation and local standards. Maintenance is essential for the reliability of the burner, avoiding the excessive consumption of fuel and consequent pollution. Before carrying out any cleaning or control always first switch off the electrical supply to the burner acting on the main switch of the system.
FAULTS / SOLUTIONS Here below you can find some causes and the possible solutions for some problems that could cause a failure to start or a bad working of the burner. A fault usually makes the lock-out lamp light which is situated inside the reset button of the control box (3, fig.