Riello DB 6 LM C10 TC FS1 A0 T150 Installation, Use And Maintenance Instruction
Oil industrial burner
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Summary of Contents for Riello DB 6 LM C10 TC FS1 A0 T150
- Page 1 Istruzioni per installazione, uso e manutenzione Installation, use and maintenance instruction Bruciatore industriali di olio Oil industrial burner Brûleur industriel à huile CODICE - CODE MODELLO - MODELL TIPO - TYPE 20082532 DB 6 LM C10 TC FS1 A0 T150 82532X 20082652 (1) - 12/2013...
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Page 2: Table Of Contents
Index CHAPTER Introduction ..... page 3 Selection code description ..... . 3 Specification of the burner type and coding . -
Page 3: Introduction
Introduction Selection code description Specification of the burner type and coding TYPE CODE DB 6 L TC A-0 DB 6 LM TC 20082532 Combustive air supply A-0 = from below A-90 = from the right A-180 = from above A-270 = from the left Combustion head TC = standard head TL = long head... -
Page 4: Burner Description
Burner description Technical data Model DB 6 Capacity Min./Max. light oil [kW] 4200 ÷ 7800 Output adjustment Modulating Modulation ratio against maxi- Light oil 1 : 4 mum rated output Fuel Light oil/Fuel oil viscosity 5°E at 50°C option L Combustive air temperature Max. -
Page 5: Burner Components
Burner description CHAPTER Burner components 20082848 Fig. 2 Electrical control box base for electrical connections 11 Combustion head Air box 12 Boiler attachment Cover with handle 13 Maximum oil pressure switch on return line Photocell QRA2 14 Eccentric Tie-rod for combustion head modulation 15 Safety valve in outlet VS Air delivery adjustment cam 16 Safety valve in outlet VF... -
Page 6: Overall Dimensions
Burner description CHAPTER Overall dimensions 20082849 Fig. 3 FLANGE DIMENSIONS Air duct connection Fixing to the boiler 3 5 0 D7549 4 5 3 D7884 Fig. 4 Fig. 5... -
Page 7: Air Side Pressure Drop
Burner description CHAPTER Air side pressure drop (taken upstream from the completely open air damper) D7890 mbar 1000 2000 3000 4000 5000 6000 7000 8000 Burner output Pb [kW] Fig. 6 The pressure curves refer to the different adjustment conditions for the combustion head. Refer to Paragraph 5.1 InIn the case of air supply at a higher temperature than 20°C and/or an altitude higher than 100 m. -
Page 8: Installation
Installation Removal of the locking screws from the the shutter All the installation, maintenance and disassembly operations must be carried out with the electricity supply disconnected. DANGER The installation of the burner must be carried out by qualified personnel, as indicated in this manual and in D12015 compliance with the standards and regulations of the WARNING... -
Page 9: Fuel Supply
Fuel supply 4.1 General supply layout (oil and gas) -
Page 10: Pressure Regulator
Burner description CHAPTER Pressure regulator D8416 Fig. 11 To calibrate cam (1): remove the gear-case, loosen screws (2), act on screw (3) until required eccentricity is obtained. Turning the screw (3) to the left (+sign) eccentricity is increased, thus increasing the difference between nozzle maximum and min- imum delivery. -
Page 11: Preparation For Start Up
Preparation for start up Combustion head adjustment In addition to varying air flow depending on the output requested, the air gate valve servomotor 7)(Fig. 2) by means of a lifting assembly, varies the setting of the combustion head. This system allows an optimal setting even at a minimum firing rate. For the same servomotor rotation, combustion head opening can be varied by moving the tie rod onto holes 1-2-3 (Fig. -
Page 12: Servomotor Adjustment
CHAPTER Preparation for start up Servomotor adjustment : Limit switch cam (max. air damper opening) 1 - 4 : Limit switch cam (air damper closed) : Minimum delivery (and ignition) position cam 3 - 5 : Positioning reading indicator : Servomotor release The servomotor contemporarily regulates, by transmission, air delivery and pressure and delivery of the fuel being used. -
Page 13: Nozzles (Mechanical Atomisation)
CHAPTER Preparation for start up Nozzles (mechanical atomisation) RECOMMENDED NOZZLES • BERGONZO, type B5 Complete range of nozzles: Bergonzo B5 45° - 450 - 500 - 550 - 600 - 650 - 700 - 750 - 800 850 - 900 - 950 - 1000 - 1050. For intermediate delivery levels, choose the nozzle with delivery slightly higher than that effectively required. -
Page 14: Burner Start Up And Adjustment
Burner start up and adjustment Air/fuel adjustment (oil version/mechanic atomisation) Pressure guage adjustment Fig. 20 Fig. 21 D1498 D1499 1 Cam 2 Adjustment screws D8416 3 Fixing screws 4 Variable profile Fig. 22 When setting the air/fuel ratio for oil burners, the following adjustments must be made: a) delivery pressure of the oil pump: turn the screw (1) on the pump (to adjust the pressure refer to the diagram on page 13). -
Page 15: Pressure Switches Setting
Burner start up and adjustment CHAPTER Pressure switches setting Air pressure switch Adjust the air pressure switch after having performed all other burner adjustments with the air pressure switch set to the start of the scale (Fig. 23). With the burner operating at max. -
Page 16: Maintenance
Maintenance Checking the flame detector UV cell Minimum current for correct working is 70 μA. If the value is lower, it could be due to: D1143 • exhausted photocell; • low current (lower than 187 V); • bad regulation of the burner. Fig. -
Page 17: Problems And Remedies
Maintenance CHAPTER Problems and remedies If the burner does not work properly, first you must: 1 check that the electric connections have been correctly performed; 2 make sure that the fuel is flowing; 3 check that all the adjustment parameters (e.g. boiler water temperature or boiler steam pressure) are correctly set. Fault Possible cause Recommended remedy... - Page 18 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.rielloburners.com Con riserva di modifiche - Subject to modifications - Sous réserve de modifications...
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