Riello RLS 650/E MX Installation, Use And Maintenance Instructions
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Riello RLS 650/E MX Installation, Use And Maintenance Instructions

Riello RLS 650/E MX Installation, Use And Maintenance Instructions

Dual fuel light oil/gas burner
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Installation, use and maintenance instructions
GB
Dual fuel light oil/gas burner
Modulating operation
CODE
MODEL
TYPE
20026857
RLS 650/E MX
1310T1
20027766 (10) - 02/2016

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Summary of Contents for Riello RLS 650/E MX

  • Page 1 Installation, use and maintenance instructions Dual fuel light oil/gas burner Modulating operation CODE MODEL TYPE 20026857 RLS 650/E MX 1310T1 20027766 (10) - 02/2016...
  • Page 2 Translation of the original instructions...

  • Page 3: Table Of Contents

    Contents Declarations....................................3 Information and general instructions............................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 Safety and prevention................................
  • Page 4 Contents 5.13.3 Gas train installation ..............................27 5.13.4 Gas pressure ................................27 5.13.5 Pilot - gas train connection............................28 5.13.6 Ignition pilot burner ..............................28 5.14 Electrical wiring ................................29 5.14.1 Entry for power cables and external leads .........................29 5.15 Calibration of the thermal relay ..........................30 Start-up, calibration and operation of the burner ........................31 Notes on safety for the first start-up ...........................31 Adjustments before first firing ............................31...

  • Page 5: Declarations

    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 Instructions

    Information and general instructions Information and general instructions 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

    Information and general instructions  The system supplier must carefully inform the user about: 2.1.4 Delivery of the system and the instruction – the use of the system; manual – any further tests that may be required before activating the When the system is delivered, it is important that: system;...

  • Page 8: 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 9: Technical Description Of The Burner

    BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Electrical supply Starting Code RLS 650/E MX 3/400/50 Star/Delta 20026857 Burner categories - Countries of destination Country of destination Gas category SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO...

  • Page 10: Technical Data

    Technical description of the burner Technical data Model RLS 650/E MX Type 1310T1 Output 1430/3000 - 6550 min - max Delivery kg/h 121/253 - 552 - LIGHT OIL, viscosity at 20 °C: 6 mm /s (1.5 °E - 6 cSt)

  • Page 11: Burner Weight

    Technical description of the burner Burner weight The weight of the burner complete with its packaging is shown in table. Model RLS 650/E MX D10554 Fig. 1 Overall dimensions The maximum dimensions of the burner are given in (Fig. 2).

  • Page 12: Firing Rates

    Technical description of the burner Firing rates MAXIMUM OUTPUT must be selected in the hatched area of the The firing rate area values (Fig. 3) have been ob- diagram (Fig. 3). tained considering a surrounding temperature of MINIMUM OUTPUT must not be lower than the minimum limit 20 °C, and an atmospheric pressure of 1013 mbar shown in the diagram.

  • Page 13: Burner Description

    Technical description of the burner 4.10 Burner description 1 17 29 28 1 16 19 26 30 21 4 18 22 D10555 Fig. 5 Lifting eyebolts 20 Maximum gas pressure switch with pressure test point 21 QRI cell Fan motor 22 Air pressure test point pressure test point “+”...

  • Page 14: Description Of Panel Board

    Technical description of the burner 4.11 Description of panel board 20081684 Fig. 6 Terminal strip for kits 21 Entry for power cables, external leads and kit Relay outlet - clean contacts 22 Auxiliary circuits fuse Electronic cam transformer 23 Plug-socket maximum gas pressure switch Control box 24 Servomotor plug/socket Ignition transformer...

  • Page 15: Control Box For The Air/Fuel Ratio (Lmv51

    Technical description of the burner 4.13 Control box for the air/fuel ratio (LMV51...) Warning notes To avoid injury to persons, damage to prop- erty or the environment, the following warn- ing notes must be observed! The LMV51... is a safety device! WARNING Do not open, interfere with or modify the unit.
  • Page 16 Technical description of the burner Electrical wiring of the infrared flame detection probe. • Observe the permissible cable lengths. It is important to achieve practically disturbance- and loss-free • The detection probe is not protected against electrocution signal transmission: risks and must be protected against accidental contact. •...

  • Page 17: Actuator (Sqm48.4

    Technical description of the burner 4.14 Actuator (SQM48.4..) Warning notes To avoid injury to persons, damage to prop- erty or the environment, the following warn- ing notes should be observed! WARNING Do not open, interfere with or modify the ac- tuators! ...

  • Page 18: 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 19: Operating Position

    For boilers with front flue passes 1)(Fig. 13) or flame inversion RLS 650/E MX M 18 chambers, protective fettling in refractory material 5) must be in- serted between the boiler fettling 2) and the blast tube 4).

  • Page 20: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler Prepare an adequate system of hoisting by hooking onto the rings 3)(Fig. 13).  Slip the thermal protection (standard equipment) onto the blast tube 4)(Fig. 13).  Place entire burner on the boiler hole arranged previously, see (Fig.

  • Page 21: Nozzle Installation

    The burner complies with the emission requirements of the EN 267 standard. In order to guarantee that emissions do not vary, • Fluidics type N2 50° recommended and/or alternative nozzles specified by Riello in Alternatively: the Instruction and warning booklet should be used. •...

  • Page 22: Combustion Head Setting

    Installation 5.11 Combustion head setting In addition to varying air flow depending on the output requested, the air gate valve servomotor 4) (Fig. 5) by means of a lifting as- sembly - varies the setting of the combustion head. This system allows an optimal setting even at a minimum firing rate.

  • Page 23: Adjustment At The Maximum Output (For Gas)

    Installation  unscrew the screws and remove the 8 tangential tubes 1); 5.11.1 Adjustment at the maximum output (for GAS)  unscrew the 4 screws and disassemble the diffuser disc 2); The adjustment at the maximum output requires the disassembly ...

  • Page 24: Light Oil Supply

    Installation 5.12 Light oil supply 5.12.2 The loop circuit Explosion danger due to fuel leaks in the pres- A loop circuit consists of a loop of piping departing from and re- ence of a flammable source. turning to the tank with an auxiliary pump that circulates the fuel Precautions: avoid knocking, attrition, sparks and under pressure.

  • Page 25: Hydraulic Connections

    Installation 5.12.3 Hydraulic connections Insert the hose connections with the supplied seals into the con- nections and screw them down. The pumps are equipped with a by-pass that connects return line Take care that the hoses are not stretched or twisted during in- with suction line.

  • Page 26: Pump Priming

    Installation 5.12.5 Pump priming The a.m. operation is possible because the pump is already full of fuel when it leaves the factory. If Before starting the burner, make sure that the tank the pump has been drained, fill it with fuel through return line is not clogged.

  • Page 27: Burner Calibration

    Installation 5.12.7 Burner calibration Note It is advisable to first set the burner for operating on oil and then for gas. Execute the fuel exchange when the burner is off. WARNING FIRING Set switch 1)(Fig. 25) to "MAN". 0 AUTO MAN D3108 Fig.

  • Page 28: Gas Feeding

    Installation 5.13 Gas feeding Explosion danger due to fuel leaks in the pres- MBC “threaded” ence of a flammable source. Precautions: avoid knocking, attrition, sparks and DANGER heat. Make sure the fuel interception tap is closed be- fore performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws.

  • Page 29: Gas Train

    Installation 5.13.2 Gas train 5.13.4 Gas pressure Approved according to standard EN 676 and provided separately Tab. H indicates the pressure drop of the combustion head and from the burner. the gas butterfly valve depending on the operating output of the burner.

  • Page 30: Pilot - Gas Train Connection

    Installation Example with natural gas G20: 5.13.5 Pilot - gas train connection Operation at maximum modulating output The burner is fitted with a dedicated gas train that is fixed to the Gas pressure at an output of 6000 kW = 27.8 mbar pipe coupling.

  • Page 31: Electrical Wiring

    Installation 5.14 Electrical wiring Notes on safety for the electrical wiring  The electrical wiring must be carried out with the electrical supply disconnected.  Electrical wiring must be made in accordance with the regulations currently in force in the country of destination and by qualified personnel.

  • Page 32: Calibration Of The Thermal Relay

    Installation 5.15 Calibration of the thermal relay The thermal relay (Fig. 34) is used to avoid damage to the motor owing to a strong increase in absorption or the lack of a phase. For the calibration 2), refer to the table given in electrical layout (Electrical connections set by installer).

  • Page 33: 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 34: Burner Firing

    Start-up, calibration and operation of the burner Burner firing Having completed the checks indicated in the previous heading, In this case increase gas firing delivery. the burner should fire. The arrival of gas at the sleeve is indicated by the U-type manom- If the motor starts but the flame does not appear and the control eter (Fig.

  • Page 35: Adjustment Pressure Switches

    Start-up, calibration and operation of the burner Adjustment pressure switches 6.8.1 Air pressure switch - CO check 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. 37). With the burner working at MIN output, insert a combustion analyser in the stack, slowly close the suction inlet of the fan (for example, with a piece of cardboard) until the CO value does not...

  • Page 36: Operation Sequence Of The Burner

    Start-up, calibration and operation of the burner Operation sequence of the burner 6.9.1 Burner starting 6.9.2 Undesired shutdown during operation If the flame should accidentally go out during operation, the burn- NORMAL FIRING er will lock out within 1s. To check the full operating programme, refer to the LMV instru- ment reference handbook, supplied during the technical service training.

  • Page 37: 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 38 Maintenance LIGHT OIL OPERATION GAS OPERATION Filters (Fig. 44) Gas leaks Check the filtering baskets on line 1) and at nozzle 2) present in Make sure that there are no gas leaks on the pipework between the system. the gas meter and the burner. Clean or replace if necessary.

  • Page 39: Opening The Burner

    Maintenance Opening the burner  Remove the tie rod 1) (Fig. 45) of the head movement lever, loosening nut 2). Disconnect the electrical supply from the burner  Disconnect the gas servomotor test point 3). by means of the main system switch. ...

  • Page 40: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions If faults arise in ignition or operations, the burner performs a "safety stop", which is signalled by the red burner lockout LED. The display visualises alternately the lockout code and the rela- tive diagnostic.

  • Page 41: A Appendix - Accessories

    3010213 RWF55 20101191 Pressure 0...16 bar 4...20 mA 3010214 Kit AZL (display and operating unit) Burner Code RLS 650/E MX 3010355 Pressure switch kit (for leak detection control) Burner Code RLS 650/E MX 3010344 Kit software interface Burner Code RLS 650/E MX...

  • Page 42: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts References layout Layout of unifilar output Operational layout star-powered starter/delta-powered starter Functional layout LMV51..Functional layout LMV51..Functional layout LMV51..Functional layout LMV51..Functional layout LMV51..Functional layout LMV51..Electrical connections for internal RWF50 kit Electrical connections set by installer Operational layout RWF50...
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  • Page 53 Appendix - Electrical panel layout 20027766...
  • Page 54 Appendix - Electrical panel layout 20027766...
  • Page 55 Appendix - Electrical panel layout Wiring layout key Display and operating unit Ignition transformer Control box Limit pressure switch/thermostat Internal output power regulator RWF50 Control pressure switch/thermostat External output power regulator RWF50 Safety pressure switch/thermostat Probe with current output Electronic cam transformer Device with current output for editing remote setpoint Flame sensor Pressure probe...
  • Page 56 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...

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