Riello RL 50 Installation, Use And Maintenance Instructions
Gas oil/kerosene burners
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Summary of Contents for Riello RL 50
- Page 1 Installation, use and maintenance instructions Gas oil/ Kerosene burners Two stage operation CODE MODEL TYPE 3470810 - 3470811 RL 50 979 T 2916423 (3) - 04/2011...
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Page 3: Table Of Contents
Contents Declaration....................................3 Information and general warnings............................4 Information about the instruction manual ........................4 2.1.1 Introduction.................................. 4 2.1.2 General dangers................................4 2.1.3 Danger: live components............................. 4 Guarantee and responsibility............................5 Guidance for the use of bio fuel blends up to 10%...................... 5 2.3.1 Information and general instructions ........................... - Page 4 Contents Thermal relay calibration............................22 Start-up, calibration and operation of the burner ........................23 Notes on safety for the first start-up ...........................23 Burner calibration ...............................23 8.2.1 Firing ..................................23 8.2.2 Operation ...................................23 Burner operation ................................25 8.3.1 Burner starting ................................25 8.3.2 Firing failure ................................25 8.3.3 Undesired shutdown during operation ........................25 Steady state operation ...............................26...
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Page 5: Declaration
The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. Manufacturer's Declaration RIELLO S.p.A. declares that the following products comply with the NOx emission limits specified by German standard “1. BIm- SchV release 26.01.2010”. -
Page 6: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction 2.1.3 Danger: live components The instruction manual supplied with the burner: This symbol indicates operations which, if not car- is an integral and essential part of the product and must not ried out correctly, lead to electric shocks with le- be separated from it;... -
Page 7: Guarantee And Responsibility
All components within the hydraulic circuit suitable for manual, operating negligence, incorrect installa- bio fuel use and supplied by Riello will be identified as Bio com- tion and carrying out of non authorised modifica- patible. No warranty is given in relation to the use of components... -
Page 8: Information And General Instructions
Bio fuel delivery. If this is not completed then due to the In no event shall Riello (and its subsidiaries) be liable for any in- hydroscopic nature of Bio fuel, it will effectively clean the... -
Page 9: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety and envisaging all the potential danger situations. -
Page 10: Technical Description Of The Burner
110/50/60 110V / 50-60Hz FS1 3 / 230-400 / 50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Electrical supply Code Blast tube length mm RL 50 TC (216) Three phase 3470810 RL 50 TL (351) Three phase 3470811 6423... -
Page 11: Technical Data
Technical description of the burner Technical data MODEL RL 50 Type 979 T Power 2nd stage 296 - 593 Output Mcal/h 255 - 510 Delivery kg/h 25 - 50 1st stage 148 - 296 Mcal/h 127 - 255 kg/h 12.5 - 25... -
Page 12: Overall Dimensions
Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part withdrawn on the slide bars. D452 Fig. 1 RL 50 216 - 351 672 - 807 Tab. B Blast tube: short-long Firing rate The burners can work in two ways: one-stage and two-stage. -
Page 13: Test Boiler
Technical description of the burner Test boiler The firing rate was set in relation to special test boilers in accord- Whenever the burner is operated in a much smaller commercial- ance with the methods defined in EN 267 standards. ly-available combustion chamber, a preliminary test should be Fig. -
Page 14: Packaging - Weight
1 - Spare parts list In case of use with gas oil containing up to 10% Bio blend, it will be essential to use flexible oil lines suitable for bio fuel use. Please contact Riello for further information. WARNING 6423... -
Page 15: Installation
CAUTION The packaging elements (wooden cage or card- board box, nails, clips, plastic bags, etc.) must not RIELLO S.p.A. be abandoned as they are potential sources of I−37045 Legnago (VR) danger and pollution; they should be collected and S8232 disposed of in the appropriate places. -
Page 16: Installer/Servicer Notes For The Use Of Gas Oil With Bio Blends Up To 10
The burner hydraulic components and flexible oil lines must burner technical manual). be suitable for bio fuel use (check with Riello if in doubt). If a Bio blend is in use the installer must seek information Riello have carefully chosen the specification of the bio... -
Page 17: Blast Tube Length
Installation Blast tube length The length of the blast tube must be selected according to the in- For boilers with front flue passes 10)(Fig. 9) or flame inversion dications provided by the manufacturer of the boiler, and in any chambers, protective fettling in refractory material 8) must be in- case it must be greater than the thickness of the boiler door com- serted between the boiler's fettling 9) and the blast tube 7). -
Page 18: Nozzle Installation
The burner complies with the emission requirements of the (Gas oil 100%) EN 267 standard. In order to guarantee that emissions do not vary, recommended kg/h and/or alternative nozzles specified by Riello in the Instruction 12 bar 10 bar 12 bar 14 bar and warning booklet should be used. -
Page 19: Combustion Head Setting
Installation retract the burner on its slide bars as shown in Fig. 9. Do not use any sealing products such as gaskets, Remove the nuts 1)(Fig. 14) and the disk 2)(Fig. 14). sealing compound, or tape. Be careful to avoid ... -
Page 20: Hydraulic System
DANGER You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the tank (Fig. 17 - Fig. 18) and a secondary filter CAUTION ... -
Page 21: Single-Pipe Circuit
Hydraulic system 6.1.3 Single-pipe circuit In order to obtain single-pipe working it is necessary to unscrew the return hose, remove the by-pass screw 6)(Fig. 29) and then screw the plug 7)(Fig. 29). The distance “P” must not exceed 10 meters in order to avoid subjecting the pump's seal to excessive strain;... -
Page 22: Pump
Bio blend, it will be essential to use flexible oil Before starting the burner, make sure that the lines suitable for bio fuel use. tank return line is not clogged. Please contact Riello for further information. WARNING Obstructions in the line could cause the seal- WARNING ing organ located on the pump shaft to break. -
Page 23: Electrical System
Electrical system Electrical system Notes on safety for the electrical wiring The electrical wiring must be carried out with the electrical supply disconnected. Electrical wiring must be carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination. -
Page 24: Electrical Wiring
Electrical system Electrical wiring Use flexible cables according to standard EN 60 335-1: • if in PVC boot, use at least H05 VV-F • if in rubber boot, use at least H05 RR-F. WARNING – Do not invert the neutral with the phase wire in the electricity supply line. -
Page 25: Start-Up, Calibration And Operation Of The Burner
Start-up, calibration and operation of the burner Start-up, calibration and operation of the burner Notes on safety for the first start-up The first start-up of the burner must be carried out Check the correct working of the adjustment, com- by qualified personnel, as indicated in this manual mand and safety devices. - Page 26 Start-up, calibration and operation of the burner • 2nd stage fan air damper valve 2nd STAGE Set switch 2)(Fig. 24) to the 2nd stage position and adjust the air Gas oil kerosene gate valve 1)(Fig. 25) by turning the hex element 6), after having mbar mbar loosened the ring nut 5).
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Page 27: Burner Operation
Start-up, calibration and operation of the burner Burner operation 8.3.1 Burner starting Starting phases with progressive time intervals shown in sec- onds: • Control device TL closes. • After about 3s: • 0 s : The control box starting cycle begins. •... -
Page 28: Steady State Operation
Start-up, calibration and operation of the burner Steady state operation 8.4.1 System equipped with one control device TR Once the starting cycle has come to an end, the command of the 2nd stage solenoid valve passes on to the control device TR that controls boiler temperature or pressure. -
Page 29: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Before carrying out any maintenance, cleaning or checking oper- safety, yield and duration of the burner. ations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 30: Opening The Burner
Maintenance Flame inspection window Fuel tank If water or contamination is present within the fuel tank, it is es- Clean the glass whenever necessary (Fig. 32). sential that this is removed before the equipment is to be used. This is extremely important when gas oil containing Bio diesel is in use. -
Page 31: Burner Start-Up Cycle Diagnostics
Maintenance Burner start-up cycle diagnostics During start-up, indication is according to the Tab. L: Sequences Colour code Pre-purging Ignition phase Operation, flame ok Operating with weak flame signal Electrical supply lower than ~ 170V Lock-out ... - Page 32 Maintenance SIGNAL FAULT POSSIBLE CAUSE SOLUTION No blink The burner does 1 - No electrical power supply ... . . Close all switches - Check fuses not start 2 - A limit or safety control device is open..Adjust or replace 3 - Control box lock-out .
- Page 33 Maintenance SIGNAL FAULT POSSIBLE CAUSE SOLUTION Fuel passes to 2nd 46 - Low pump pressure ....Increase stage but air 47 - 2nd stage operation of cylinder is faulty . . . Change cylinder remains in 1st Burner stops at 48 - Nozzle dirty.
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Page 34: A Appendix - Accessories (Optional)
Fasten Status to the bracket using the screws 4) supplied Degassing units are provided in two versions: with the kit. Burner Code RL 50 (without filter) 20034277 RL 5050 (with filter) 20034281 Degassing unit characteristics Burner output... - Page 35 Appendix - Accessories (optional) The STATUS unit has three functions: 30 seconds after stage 4: seconds count stops on read- out V BURNER OPERATING HOURS AND THE NUMBER OF 8 -10 seconds after stage 7 the code I I I I will appear on the FIRINGS ARE SHOWN ON DISPLAY V –...
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Page 36: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout ELECTRICAL EQUIPMENT FACTORY-SET For remote-reset, connect a push-button switch (NO) between terminal 3 and neutral of the control box (terminals 15, 16, 17 and 18). D3227 Fig. 3 TO BE COMPLETED BY THE INSTALLER D3228 Fig. - Page 37 Appendix - Electrical panel layout – The electrical connection three-phase 230/400 v power sup- ply with neutral phase wire – Cable section not indicated: 1.5 mm the burner is factory set for two-stage operation and it must therefore be connected to the TR remove control device to command fuel valve V2.
- Page 40 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.rielloburners.com Subject to modifications...
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