Riello RLS 300/BP MX Installation, Use And Maintenance Instructions
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Riello RLS 300/BP MX Installation, Use And Maintenance Instructions

Riello RLS 300/BP MX Installation, Use And Maintenance Instructions

Dual fuel kerosene and gas oil/ gas burners
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Installation, use and maintenance instructions
Dual fuel kerosene and gas oil/ gas burners
GB
Two stage progressive or modulating operation gas side/ two stage gas oil
side
CODE
20034844
20034845
MODEL
RLS 300/BP MX
RLS 400/BP MX
TYPE
782 T
783 T
20036762 (7) - 05/2016

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Summary of Contents for Riello RLS 300/BP MX

  • Page 1 Dual fuel kerosene and gas oil/ gas burners Two stage progressive or modulating operation gas side/ two stage gas oil side CODE MODEL TYPE 20034844 RLS 300/BP MX 782 T 20034845 RLS 400/BP MX 783 T 20036762 (7) - 05/2016...

  • 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 5.16.1 Gas line ..................................23 5.16.2 Gas train ..................................23 5.16.3 Gas pressure ................................24 5.17 Electrical connections ..............................25 5.17.1 Electrical connections ..............................25 5.17.2 Supply cables and external connections passage .....................25 Start-up, calibration and operation of the burner ........................26 Notes on safety for the first start-up ...........................26 Burner firing ................................26 Adjustment before first firing (gas oil opration) ......................26 6.3.1...

  • 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. BImSchV 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

    2.3.1 Information and general instructions In no event shall Riello (and its subsidiaries) be liable for any in- To ensure consistency, the supplier of the fuel must be able to direct, incidental, special or consequential damages including,...

  • 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 3/400/50 230/50-60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Electrical supply Starting Code RLS 300/BP MX 3/400/50 Direct 20034844 RLS 400/BP MX 3/400/50 Star/Delta 20034845 Tab. A Countries of destination - Burner categories Country of destination...

  • Page 11: Technical Data

    II 2ELL3B/P I 2E(R)B, I 3P II 2E3B/P I 3B/P NO - CY - MT I 2H Tab. B Technical data Model RLS 300/BP MX RLS 400/BP MX Type 782 T 783 T Output stage 1250 - 3650 2000 - 4500...

  • Page 12: Electrical Data

    Technical description of the burner Electrical data Model RLS 300/BP MX RLS 400/BP MX Electrical supply V/Ph/Hz 400/3/50 Auxiliary power supply V/Ph/Hz 230/1/50 Electric motor IE2 2900 2900 4500 7500 230/400 400/690 15/8.7 13.8/8 Ignition transformer V1 - V2 230 V - 2 x 5 kV I1 - I2 1.9 A - 35 mA...

  • Page 13: Overall Dimensions

    Position I is a reference for the thickness of the boiler door refrac- tory fettling. D3243 Fig. 1 RLS 300/BP MX 1325 DN80 1175 1055 RLS 400/BP MX...

  • Page 14: Firing Rates

    4 : 1 (gas); – 3 : 1 (gas oil) RLS 300/BP MX = 600 kW RLS 400/BP MX = 800 kW In case of gas operation the burner can be used with a different modulation ratio depending on the application - contact the man- The firing rate value (Fig.

  • Page 15: Burner Description

    Technical description of the burner Burner description 16 19 13 5 12 23 D3241 Fig. 4 Lifting eyebolts 19 Air pressure test point 20 Maximum gas pressure switch with pressure test point Fan motor 21 UV cell Air gate valve servomotor 22 Air pressure test point pressure test point “+”...

  • Page 16: Electrical Panel Description

    1 Instruction booklet 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. WARNING Please contact Riello for further information. 20036762...

  • Page 17: Installation

    Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will The installation of the burner must be carried out be installed, and arranging the correct lighting of the environ- by qualified personnel, as indicated in this manual ment, proceed with the installation operations.

  • Page 18: Installer/Servicer Notes For The Use Of Gas Oil With Bio Blends Up To 10

    10%" within the 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...

  • Page 19: Boiler Plate

    Boiler plate Drill the combustion chamber locking plate as shown in Fig. 9. The position of the threaded holes can be marked using the ther- mal screen supplied with the burner. RLS 300/BP MX M 18 RLS 400/BP MX M 18 Tab.

  • Page 20: Nozzle

    EN 267 standard. the firing electrodes Fig. 13. 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 21: Position Of Electrodes

    Installation 5.11 Position of electrodes Make sure that the electrodes are positioned as shown in Fig. 13. Fig. 13 D3247 20036762...

  • Page 22: Gas Oil Supply

    You are advised to use additional filters on the fuel Key (Fig. 14) supply line. H Pump/Foot valve height difference Riello recommends a good quality fuel filter at the L Piping length tank (Fig. 14 - Fig. 15) and a secondary filter CAUTION ø...

  • Page 23: Single-Pipe Circuit

    Installation 5.12.3 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. 16) and then screw the plug 7). The distance “P” must not exceed 10 meters in order to avoid subjecting the pump's seal to excessive strain;...

  • Page 24: Pump

    Before starting the burner, make sure that the lines suitable for bio fuel use. tank return line is not clogged. WARNING Please contact Riello for further information. Obstructions in the line could cause the seal- WARNING ing organ located on the pump shaft to break.

  • Page 25: Gas Supply

    Installation 5.16 Gas supply 5.16.1 Gas line The gas train is to be connected on the right of the burner, by flange 1)(Fig. 18).  If it is necessary to connect it on the left of the burner,  loosen nuts and screws 3) and 4), ...

  • Page 26: Gas Pressure

    Installation 5.16.3 Gas pressure The Tab. M shows minimum pressure losses along the gas sup- ply line depending on the maximum burner output operation. 2 p (8 - 10) (mbar) 1 p (mbar) 3970215 3970212 3970213 3970214 G 20 G 25 G 20 G 25 G 20...

  • Page 27: Electrical Connections

    5.17.1 Electrical connections Electrical wiring must be made in accordance with the regulations currently in force in the country of destination and by qualified personnel. Riello S.p.A. declines all liability for modifications WARNING or connections other than those shown on these diagrams.

  • Page 28: Start-Up, Calibration And Operation Of The Burner

    D3248 page 18): 1455.9 + 1455.9 = 2911.8 kW. Diagram (Fig. 23) indicates that for a delivery of 2911.8 kW the RLS 300/BP MX burner requires the combustion head to be set to approx. 2 notch- RLS 400/BP MX 6.3.2 1st and 2nd stage nozzles See the information listed at page 18.

  • Page 29: Servomotor

    Start-up, calibration and operation of the burner Servomotor The servomotor (Fig. 24) simultaneously regulates, through a transmission system, air delivery and pressure and delivery of the fuel in use. It is fitted with adjustable cams which drive a similar number of selector switches.

  • Page 30: Adjustment Before First Firing (Gas Operation)

    Start-up, calibration and operation of the burner Adjustment before first firing (gas operation) Adjustment of the combustion head has been illustrated on Before starting up the burner it is good practice to adjust the gas page 26. train so that ignition takes place in conditions of maximum safety, i.e.
  • Page 31 Start-up, calibration and operation of the burner Safety Shutoff Function Very simplified sectional view The electro-hydraulic actuator consists of a cylinder filled with oil and a piston containing an electric oscillating pump and a hydrau- lic relief system. When power is supplied to the actuator, the pump located at the base of the piston moves oil from the reservoir (through an ori- fice) into the pressure chamber.

  • Page 32: Installation

    Start-up, calibration and operation of the burner Considering the pressure in the combustion chamber Run the burner at the required output and limit the air damper position or adjust intake to a partial setting. If the resistance value of the system “Combustion chamber - flue- If, with the servomotor fully opened, the air is insufficient to ways - stack”...

  • Page 33: Pressure Switches Final Calibration

    Start-up, calibration and operation of the burner 6.10 Pressure switches final calibration 6.10.1 Air pressure switch - CO check If burners feature a gas proportioning valve with air/gas ratio reg- ulator, the only purpose of the air pressure switch is to report whether there is air or not.

  • Page 34: Burner Operation

    Start-up, calibration and operation of the burner 6.11 Burner operation 6.11.1 Burner starting NORMAL FIRING Load control TL closes. Fan motor starts. Servomotor starts: 90° rotation to right, until contact is made on cam 1)(Fig. 24 at page 27). The air gate valve is positioned to MAX. output. 35s: Pre-purge stage with air delivery at MAX.

  • Page 35: 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 36 Maintenance Pump GAS OPERATION The delivery pressure must be stable. The depression must be less than 0.4 bar. Unusual noise must not be evident during pump Gas leaks operation. Make sure that there are no gas leaks on the pipework between If the pressure is found to be unstable or if the pump runs noisily, the gas meter and the burner.

  • Page 37: Faults - Probable Causes - Solutions

    Faults - Probable causes - Solutions Faults - Probable causes - Solutions The control box is equipped with a lockout indicator (Fig. 36) that Lockout indicator turns during the start-up programme, and is visible from the small Start-up sequence lockout window. b-b’...

  • Page 38: Gas Oil Operation

    Faults - Probable causes - Solutions Gas oil operation SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY The burner does not start A limit or safety control device is open Adjust or replace Control box lock-out Reset Fan motor blocked Reset thermal cut-out Adjust pressure switch or eliminate Oil pressure switch intervenes overpressure...
  • Page 39 Faults - Probable causes - Solutions SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY Smoke in flame - dark Bacha- Not enough air Adjust head and fan gate rach Erroneous pump pressure Adjust Nozzle filter clogged Clean or replace Boiler room air vents insufficient Increase Nozzle worn or dirty Replace...

  • Page 40: Gas Operation

    Faults - Probable causes - Solutions Gas operation SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY The burner does not start Close all switches and check con- No electrical power supply nections A limiter or safety control device is open Adjust or replace Control box lock-out Reset control box Control box fuse blown...
  • Page 41 Faults - Probable causes - Solutions SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY The burner repeats the starting Mains gas pressure is near the valve to which the cycle without lock out min. gas pressure switch gas is adjusted. The repeated drop in pressure which follows valve opening causes temporary opening of the Reduce operating pressure of min- pressure switch itself, the valve immediately clos-...

  • Page 42: Appendix - Accessories (Optional)

    Appendix - Accessories (optional) Appendix - Accessories (optional) OUTPUT POWER REGULATOR KIT RWF With the modulating operation, the burner continually adapts the Two components should be ordered: power to the request for heat, ensuring great stability for the pa- • the output regulator to install on the burner rameter controlled: temperature or pressure.

  • Page 43: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Reference layout Layout of unifilar output Operational layout of fuel selection RLS 300/BP MX Operational layout RLS 400/BP MX Star/delta starter operational layout LFL 1... Operational layout LFL 1... Operational layout LFL 1...
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  • Page 57 Appendix - Electrical panel layout 20036762...
  • Page 58 Appendix - Electrical panel layout Key to layouts - Light oil assembly terminal block XAUX - Auxiliary terminal strip - Control box - Light oil assembly connector - Internal output power regulator RWF - Air pressure switch connection plug - External output power regulator RWF XPGM - Maximum gas pressure switch connection plug - DC input 0...20 mA, 4...20 mA...
  • Page 60 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...

This manual is also suitable for:

Rls 400/bp mx2003484420034845

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