Riello RL 70 Installation, Use And Maintenance Instructions
Rl bio
gas oil/ kerosene burners
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Summary of Contents for Riello RL 70
- Page 1 Installation, use and maintenance instructions Gas oil/ Kerosene burners Two stage operation CODE MODEL TYPE 3471712 RL 70 980T 3471713 RL 70 980T 3471812 RL 100 981T 3471813 RL 100 981T 3471912 RL 130 982T 3471913 RL 130 982T 2916456 (8) - 10/2013...
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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 Other symbols ................................4 2.1.4 Delivery of the system and the instruction manual...................... 5 Guarantee and responsibility............................5 Guidance for the use of bio fuel blends up to 10%...................... - Page 4 Contents 6.1.3 Electrical wiring to be completed by the installer .......................25 Calibration of thermal relay ............................25 Start-up, calibration and operation of the burner ........................26 Notes on safety for the first start-up ...........................26 Burner calibration ...............................26 7.2.1 Firing ..................................26 7.2.2 Operation ...................................26 Burner operation ................................28 7.3.1 Burner starting ................................28...
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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 WARNING: MOVING PARTS The instruction manual supplied with the burner: This symbol indicates that you must keep limbs is an integral and essential part of the product and must not away from moving mechanical parts;... -
Page 7: Delivery Of The System And The Instruction Manual
All components within the hydraulic circuit suitable for burner is integral and complete. bio fuel use and supplied by Riello will be identified as Bio com- patible. No warranty is given in relation to the use of components Failure to observe the information given in this which are not so identified with bio fuel blends. -
Page 8: Guidance For The Use Of Bio Fuel Blends Up To 10
Riello recommends that the in line and burner oil pump fil- such issues and/or to the non-observance of this guidance, then ters are inspected and if required replaced at least every 4 no warranty or liability is implied or accepted by Riello. -
Page 9: Product Disclaimer Statement
In no event shall Riello (and its subsidiaries) be liable for any in- direct, incidental, special or consequential damages including, without limitation, loss of profits, damages for loss of business... -
Page 10: 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 11: Technical Description Of The Burner
230V / 50-60Hz 110/50/60 110V / 50-60Hz 3/230-400/50 230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Electrical Blast tube Model Code supply lenght mm 3471712 Three-phase RL 70 3471713 Three-phase 3471812 Three-phase RL 100 3471813 Three-phase 3471912 Three-phase RL 130 3471913 Three-phase 2916456... -
Page 12: Technical Data
Technical description of the burner Technical data MODEL RL 70 RL 100 RL 130 Type 980 T 981 T 982 T Power 474 - 830 711 - 1186 948 - 1540 stage Mcal/h 408 - 714 612 - 1020 816 - 1325... -
Page 13: Packaging - Weight
• The burners are shipped in cardboard boxes with the maxi- mum dimensions shown in Tab. C. • The weight of the burner complete with packaging is indicated in Tab. C. Fig. 1 RL 70 1400 RL 100 1400 RL 130 1400 Tab. -
Page 14: Firing Rates
Technical description of the burner Firing rates The RL 70 - 100 - 130 Model burners can work in two ways: one- stage and two-stage. D687 1st stage DELIVERY must be selected within area A of the ad- jacent diagrams. -
Page 15: Burner Description
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 2916456... -
Page 16: 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 Fig. -
Page 17: 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 18: Blast Tube Length
Turn screw 4)(Fig. 10) until the notch shown in diagram (Fig. 11) is level with the front surface of flange 5)(Fig. 10). Example: The RL 70 Model with two 6.0 GPH nozzles and 12 bar pump pressure. Find the delivery in Tab. F on page 17: Fig. -
Page 19: Combustion Head Calibration
12 bar 14 bar 5.00 19.2 21.2 23.1 251.4 In order to guarantee that emissions do not vary, recommended and/or alternative nozzles specified by Riello in the Instruction 5.50 21.1 23.3 25.4 276.3 and warning booklet should be used. 6.00 23.1... -
Page 20: Nozzle Assembly
Installation Example with the RL 70 Model (gas oil) 5.10.2 Nozzle assembly Boiler output = 635 kW - efficiency 90 % At this stage of installation the burner is still disassembled from the blast tube; it is therefore possible to fit two nozzles with the Output required by the burner = box spanner 1)(Fig. - Page 21 Installation The nozzle for the 1st stage of operation is the one lying beneath the firing electrodes (Fig. 14 on page 18). Make sure that the electrodes are positioned as shown in (Fig. 14 on page 18). WARNING D3308 Finally remount the burner 3)(Fig. 15) to the slide bars 2) and slide it up to the flange 5), keeping it slightly raised to prevent the flame stability disk from pressing against the blast tube.
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Page 22: Gas Oil Supply
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 (100 for gas oil and 15 for kerosene) are used... -
Page 23: Single-Pipe Circuit
Burner Pump Fig. 18 Filter Manual on/off valve L (m) Suction line Foot valve RL 70-100 RL 130 Rapid closing manual valve remote controlled (only Italy) Ø (mm) Ø (mm) On/off solenoid valve (only Italy) 11 Tank filter + 4,0... -
Page 24: Pump
Bio blend, it will be essential to use flexible oil Pump DANFOSS RSA125 lines suitable for bio fuel use. Min. delivery rate at 12 bar pressure kg/h Please contact Riello for further information. WARNING Delivery pressure range 5.5 - 21 Max. suction depression... -
Page 25: 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 26: Electrical Wiring Factory-Set
Electrical system 6.1.2 Electrical wiring factory-set 20078333 Fig. 23 Key to layout (Fig. 23) The burners leave the factory preset for 400V Motor contactor power supply. Photocell If 230V power supply is used, change the motor Switch: burner off - on WARNING connection from star to delta and change the set- Switch: 1st - 2nd stage operation... -
Page 27: Electrical Wiring To Be Completed By The Installer
Fuses and cables cross-section (Fig. 24), see Tab. L. Key to layout (Fig. 24) 1st stage hourcounter Cross-section when not indicated: 1.5 mm 2nd stage hourcounter RL 70 RL 100 RL 130 Manual burner stop switch Terminal strip 230 V... -
Page 28: Start-Up, Calibration And Operation Of The Burner
– in lh direction (+ sign) the opening increases. 7.2.2 Operation Gas oil The optimum calibration of the burner requires an analysis of the RL 70 RL 100 RL 130 flue gases at the boiler outlet and interventions on the following points: N°... - Page 29 Start-up, calibration and operation of the burner Example RL 70 - 1st stage nozzle 6.0 GPH: 2,3 (Fig. 27) notch aligned with index 1) (Fig. 27). FAN AIR GATE VALVE ADJUSTMENT When the adjustment is terminated lock the hex element 2) (Fig.
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Page 30: Burner Operation
Start-up, calibration and operation of the burner Burner operation 7.3.1 Burner starting Starting phases with progressive time intervals shown in sec- onds: • Control device TL closes. After about 3s: • 0s: The control box starting cycle begins. • 2s: The fan motor starts. -
Page 31: Steady State Operation
Start-up, calibration and operation of the burner 7.3.2 Steady state operation 7.3.3 Firing failure If the burner does not fire, it goes into lock-out within 5 s of the System equipped with one control device TR opening of the 1st nozzle valve and 30 s after the closing of con- Once the starting cycle has come to an end, the command of the trol device TL. -
Page 32: Resetting The Control Box
Start-up, calibration and operation of the burner Reports burner life by means of an optical link with the PC, indi- 7.5.1 Resetting the control box cating hours of operation, number and type of lock-outs, serial To reset the control box, proceed as follows: number of control box etc ... -
Page 33: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safety, yield and duration of the burner. Disconnect the electrical supply from the burner It allows you to reduce consumption and polluting emissions and by means of the main system switch. - Page 34 Maintenance Photocell (Fig. 33) Fuel pump and/or couplings replacement Clean the glass cover from any dust that may have accumulated. In conformity with (Fig. 35). Photocell 1) is held in position by a pressure fit and can therefore be removed by pulling it outward forcefully. D1108 Fig.
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Page 35: Opening The Burner
Maintenance Opening the burner Pull part A backward keeping it slightly raised to avoid dam- aging the disk 6) on blast tube 7). Disconnect the electrical supply from the burner by means of the main system switch. DANGER Close the fuel interception tap. D3310 DANGER Wait for the components in contact with heat... -
Page 36: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions In the event the burner stops, in order to prevent In the event there are further lockouts or faults any damage to the installation, do not unblock the with the burner, the maintenance interventions burner more than twice in a row. - Page 37 Faults - Possible causes - Solutions SIGNAL FAULT POSSIBLE CAUSE SOLUTION The burner does not 43 - Control device TR does not close ....... Adjust or replace pass to 2nd stage 44 - Defective control box........... Replace 45 - 2nd stage sol. valve coil defective....... Replace 46 - Piston jammed in valve unit.........
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Page 38: A Appendix - Accessories
Burner Code 3010386 RL 70 - RL 100 - RL 130 • Degassing unit It may occur that a certain amount of air is contained in the fuel sucked up by the pump. This air may originate from the fuel itself as a consequence of depressurisation or air leaking past imper- fect seals. - Page 40 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.rielloburners.com Subject to modifications...