TECHNICAL DATA 2.1 TECHNICAL DATA TYPE 744T3R Output – Thermal power 1.8 – 3.5 kg/h 21.3 – 41.5 kW (with air at 20 °C) Fuel Light oil, viscosity 4 – 6 mm /s at 20 °C (H i = 11.86 kWh/kg) ±...
INSTALLATION The installation of the burner must be carried out by qualified personnel, as indicated in this manual and in compliance with the standards and regulations of the laws in force. WARNING WORKING POSITION The burner is designed to work only in the positions 1, 2 and 3. Installation 1 is preferable, as it is the only one that allows performing maintenance operations as de- scribed in this manual.
3.2 BURNER ASSEMBLY CF APPLICATION In case of CF applications, the burner shall not operate without pro- tection (A) of the suction inlet. BF APPLICATION FOR CORRECT BF APPLICATION, THE BURNER MUST BE D5884 INSTALLED ON AN APPROPRIATE BF BOILER. In case of BF applications an optional snorkel and gasket are availa- ble replacing (A) with (B).
3.3 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).
3.4 ELECTRICAL WIRING ATTENTION: 50Hz - 230V All the installation, maintenance and disassembly operations must be carried out with the electricity supply disconnected. DANGER Do not swap neutral and phase over, follow the diagram Main switch shown carefully and carry out a good earth connection. The section of the conductors must be at least 1mm².
Set-point 3513687 SIME FUEL 30 DT BFX 0.65 60° W Fixed 20096000 SIME FUEL 30 DT BFX 0.65 60° W Fixed NOZZLES RECOMMENDED : Delavan type W; Steinen type Q; Danfoss type S. Angle : 60° - In most cases.
4.5 AIR DAMPER ADJUSTMENT Main air damper (A) The air damper is set in factory. This regulation is purely indicative. Each installation Fig. 10 however, has its own unpredictable working condi- tions: actual nozzle output; positive or negative pressure in the combustion-chamber, the need of excess air, etc.
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.
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Fonderie Sime S.p.A. - via Garbo, 27 - 37045 Legnago (Vr) - Italy Tel. +39 / 0442 631111 - Export Division fax number +39 / 0442 631293 - Sime Service fax number +39/ 0442 631292...
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