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Fonctionnement à 2 allures Two stage operation Parts Available from Tweetrapsbranders Funcionamiento de dos llamas ιβάθµια λειτουργία www.sparesgiant.com CODE - CÓDIGO MODELL - MODELE TYP - TYPE ΚΩ ΙΚΟΣ MODEL - MODELO - ΜΟΝΤΕΛΟ TIPO - ΤΥΠΟΣ 3739850 RG5D 398T1 2902312 (5)
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. 3). Widen, if necessary, the insulating gasket holes (4), (see fig. 4). Fix the flange (1) to the boiler door (3) using screws (5) and (if necessary) the nuts (2) interposing the insulating gasket (4), (see fig.
3.3 HYDRAULIC SYSTEMS WARNING: Fig. 8 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), remove the by-pass screw (3) and then screw again the plug (2), (see fig.
3.4 ELECTRICAL WIRING NOTES: WARNING – Wires of min. 1 mm section. (Unless requested otherwise DO NOT EXCHANGE by local standards and legislation). NEUTRAL WITH PHASE – The electrical wiring carried out by the installer must be in compliance with the rules in force in the Country. Connect 2nd stage thermostat between clamps T6 - T8 50Hz 230V by removing the bridge.
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, choose the proper nozzle and adjust the pump pressure, the setting of the combustion head, and the air damper opening in accordance with the following schedule.
4.3 COMBUSTION HEAD SETTING (see fig. 12, page 6) It depends on the output of the burner and is carried out by rotating clockwise or counterclockwise the setting screw (6) until the set-point marked on the regulating rod (7) is level with the outside plane of the nozzles- holder assembly (1).
FAULTS / SOLUTIONS Here below you can find some causes and the possible solutions for 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 (4, fig.
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