Riello RS 50/EV Installation, Use And Maintenance Instructions
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Riello RS 50/EV Installation, Use And Maintenance Instructions

Riello RS 50/EV Installation, Use And Maintenance Instructions

Forced draught gas burner, progressive two-stage or modulating operation
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Installation, use and maintenance instructions
Forced draught gas burner
GB
Progressive two-stage or modulating operation
CODE
MODEL
TYPE
20102448
RS 50/EV
02448Y
20103897 (3) - 01/2016

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Summary of Contents for Riello RS 50/EV

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Progressive two-stage or modulating operation CODE MODEL TYPE 20102448 RS 50/EV 02448Y 20103897 (3) - 01/2016...
  • Page 2 Translation of the original instructions...

  • Page 3: Table Of Contents

    Contents Declarations....................................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 Safety and prevention................................
  • Page 4 Contents 6.5.3 Minimum gas pressure switch............................30 6.5.4 PVP pressure switch kit .............................30 Ignition failure................................30 Burner flame goes out during operation........................30 Stopping of the burner ...............................30 Final checks (with burner operating) ..........................31 Maintenance ....................................32 Notes on safety for the maintenance .........................32 Maintenance programme ............................32 7.2.1 Maintenance frequency..............................32...

  • Page 5: Declarations

    The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. Legnago, 01.12.2015 Executive General Manager Research & Development Director RIELLO S.p.A. - Burner Department RIELLO S.p.A. - Burner Department Mr. U. Ferretti Mr. F. Comencini...

  • Page 6: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction DANGER: EXPLOSION The instruction manual supplied with the burner: This symbol signals places where an explosive at- ➤ is an integral and essential part of the product and must not mosphere may be present.

  • Page 7: Delivery Of The System And The Instruction Manual

    Information and general warnings 2.1.4 Delivery of the system and the instruction ➤ The system supplier must carefully inform the user about: – 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

    Voltage of auxiliaries: 230/50/60 230V / 50-60Hz 110/50/60 110V / 50-60Hz 3/400/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Power supply voltage Start-up Code RS 50/EV 3 ~ 400 / 230V - 50Hz Direct/ Inverter 20102448 Tab. A 20103897...

  • Page 10: Burner Categories

    AT, CH, CZ, DK, EE, FI, GR, HU, IS, IT, LT, NO, SE, SI, SK II2H3B/P ES, GB, IE, PT II2H3P II2L3B/P Tab. B Technical data Model RS 50/EV Output Max. 290 - 580 Mcal/h 250 - 499 Min. Mcal/h...

  • Page 11: Electrical Data

    Technical description of the burner Electrical data Model RS 50/EV Main electrical supply 3 ~ 400 / 230V +/-10% 50 Hz Auxiliary circuit electrical supply 1N 230V ~ +/-10% 50/60Hz Fan motor 2,800 220/240 - 380/415 0.65 3 - 1.7...

  • Page 12: Firing Rate

    Technical description of the burner Firing rate The maximum output is chosen within area A (Fig. 2). The firing rate value (Fig. 2) has been obtained The minimum output must not be lower than the minimum limit of considering an ambient temperature of 20 °C, an the diagram.

  • Page 13: Firing Rate Based On The Air Density

    Technical description of the burner 4.7.1 Firing rate based on the air density If H3 is greater than H1)(Fig. 3), the burner can supply the re- quired output. The firing rate of the burner indicated in the manual refers to an If H3 is less than H1, it is necessary to reduce the burner output.

  • Page 14: Test Boiler

    Technical description of the burner Test boiler The firing rates were set in relation to special test boilers, accord- The coupling is ensured when the boiler is EC type-approved; for ing to EN 676 regulations. boilers or ovens with combustion chambers of very different di- mensions compared to those shown in the diagram of (Fig.

  • Page 15: Burner Description

    Technical description of the burner 4.10 Burner description View from A 20104932 Fig. 5 Combustion head 27 Auxiliary fuse Ignition electrode 28 ON/OFF selector Screw for combustion head adjustment 29 Light signalling of mains live state Pipe coupling 30 Heat request indicator light Minimum air pressure switch (differential operating type) 31 Maximum gas pressure switch Air pressure test point on the head...

  • Page 16: 4.11 Azl Display

    The AZL... display is a safety device! Avoid open- WARNING ing or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for dam- age resulting from unauthorised interventions! The electronic cam is operated and programmed through the AZL5 interface...

  • Page 17: Control Box For The Air/Fuel Ratio (Lmv52

    The LMV52 control box... is a safety device! Avoid WARNING opening or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage resulting from unauthorised interven- tions! Risk of explosion! An incorrect configuration can provoke fuel over-...
  • Page 18 Technical description of the burner Electrical wiring of the flame detector • always separate the detector cables from the other cables: – Line capacitance reduces the magnitude of the flame signal. It is important for signal transmission to be almost totally free –...

  • Page 19: 4.13 Servomotor

    Technical description of the burner 4.13 Servomotor Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the ac- tuators. ➤ All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ➤...

  • Page 20: Installation

    Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner is to The installation of the burner must be carried out be installed, and arranging for the environment to be illuminated by qualified personnel, as indicated in this manual correctly, proceed with the installation operations.

  • Page 21: Operating Position

    Respect the dimensions shown in Fig. 12. plete with its fettling. WARNING The lengths L available are: Blast tube (mm) RS 50/EV Tab. J 2 m m 20105845 Fig. 12 D455 Fig. 11 RS 50/EV Tab.

  • Page 22: Securing The Burner To The Boiler

    Securing the burner to the boiler 5.7.1 Introduction The RS 50/EV burner is suitable for operating on both flame in- version boilers* (in this case the long head model is recommend- ed) and on boilers with a combustion chamber with bottom run- off (three flue gas circulations), from which the best results of low NOx emissions are obtained (Fig.

  • Page 23: Combustion Head Adjustment

    Installation Combustion head adjustment At this point of the installation, the combustion head is fixed to the No. notches 20058891 boiler as shown in Fig. 14. Adjusting the air or the gas of the combustion head is especial- ly easy. In the diagram (Fig.

  • Page 24: Closing The Burner

    Installation Closing the burner Once the combustion head adjustment is completed: ➤ reassemble the burner on the guides 3) at about 100 mm from the pipe coupling 4), burner in the position shown in Fig. 15; ➤ insert the electrode cable, then slide the burner as far as the pipe coupling, with the burner in the position shown in Fig.

  • Page 25: Gas Feeding

    Installation 5.10 Gas feeding Explosion danger due to fuel leaks in the pres- ence of a flammable source. Precautions: avoid knocking, attrition, sparks and 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 26: 5.10.2 Burner Layout

    Installation 5.10.2 Burner layout 201072017 M SM M SM Fig. 24 Key (Fig. 24) The operator must use the required equipment Fan motor during installation. Motor Servomotor Air damper Gas valve adjuster (butterfly) Adjusting screw for combustion head Air pressure switch Max.

  • Page 27: 5.10.4 Gas Pressure

    Installation 5.10.4 Gas pressure Tab. L indicates the pressure drop of the combustion head and the gas butterfly valve depending on the operating output of the burner. 1 ∆ p (mbar) 2 ∆ p (mbar) Town gas Biogas S8738 Fig. 26 10.5 10.0 11.7...

  • Page 28: Electrical Wiring

    Installation 5.11 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 29: 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 30: Burner Start-Up

    Start-up, calibration and operation of the burner Burner start-up Feed electricity to the burner via the disconnecting switch on the boiler panel. Close the thermostats/pressure switches and set the selector of Fig. 29 to “ ON ”. Make sure that the lights or testers connected to the solenoids, or the pilot lights on the solenoids themselves, indicate that no voltage is present.

  • Page 31: Final Adjustment Of The Pressure Switches

    Start-up, calibration and operation of the burner Final adjustment of the pressure switches 6.5.1 Air pressure switch Adjust the air pressure switch (Fig. 30) after performing all other burner adjustments with the air pressure switch set to the start of the scale.

  • Page 32: Minimum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.5.3 Minimum gas pressure switch Adjust the minimum gas pressure switch (Fig. 32) after perform- ing all the other burner adjustments with the pressure switch set to the start of the scale. With the burner operating at maximum output, increase adjust- ment pressure by slowly turning the relative knob clockwise until the burner stops.

  • Page 33: Final Checks (With Burner Operating)

    Start-up, calibration and operation of the burner Final checks (with burner operating) ➮ ➤ Open the thermostat/pressure switch TL The burner must stop ➤ Open the thermostat/pressure switch TS ➤ Turn the gas maximum pressure switch knob to the mini- ➮...

  • Page 34: 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. Turn off the burner's power supply using the main It allows you to reduce consumption and polluting emissions and system switch.

  • Page 35: Checking The Air And Gas Pressure On The Combustion Head

    Maintenance Combustion Checking In case the combustion values found at the beginning of the inter- gas pressure vention do not respect the standards in force or, in any case, do not correspond to a proper combustion, contact the Technical As- sistance Service in order to carry out the necessary adjustments.

  • Page 36: Opening The Burner

    Maintenance Opening the burner ➤ Loosen the screw 1)(Fig. 39) and remove the cover 2). ➤ Disconnect the plug of the gas servomotor. Turn off the burner's power supply using the main ➤ Remove screw 5)(Fig. 39) and pull the burner back of about system switch.

  • Page 37: 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 38: Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Spacer kit Burner Thickness (mm) Code RS 50/EV 3010095 Connection flange kit Burner Code RS 50/EV 3010138 Kit for LPG operation Burner Output kW Code RS 50/EV 125/285 - 630 20008173 Town gas kit...

  • Page 39: Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Layout of unifilar output LMV52 ...operational layout LMV52 ...operational layout LMV52 ...operational layout LMV52 ...operational layout LMV52 ...operational layout LMV52 ...operational layout LMV52 ...operational layout PLL52.../QG020..
  • Page 40 Appendix - Electrical panel layout 20103897...
  • Page 41 Appendix - Electrical panel layout 20103897...
  • Page 42 Appendix - Electrical panel layout 20103897...
  • Page 43 Appendix - Electrical panel layout 20103897...
  • Page 44 Appendix - Electrical panel layout 20103897...
  • Page 45 Appendix - Electrical panel layout 20103897...
  • Page 46 Appendix - Electrical panel layout 20103897...
  • Page 47 Appendix - Electrical panel layout 20103897...
  • Page 48 Appendix - Electrical panel layout 20103897...
  • Page 49 Appendix - Electrical panel layout 20103897...
  • Page 50 Appendix - Electrical panel layout 20103897...
  • Page 51 Appendix - Electrical panel layout Wiring layout key Control box Main supply terminal board Protection against radio interference Secondary terminal board Internal RWF50 output power regulator Gas adjustment valve + gas safety valve External RWF50 output power regulator Output device in current to modify remote setpoint Pressure probe Pressure probe Remote setpoint voltage divider...
  • Page 52 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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20102448

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