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Riello RS 810/M BLU Installation, Use And Maintenance Instructions

Forced draught gas burner
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Installation, use and maintenance instructions
Forced draught gas burner
GB
Modulating operation
CODE
MODEL
TYPE
20155846
RS 810/M BLU
S032T
20160598 (8) - 07/2023

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Summary of Contents for Riello RS 810/M BLU

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Modulating operation CODE MODEL TYPE 20155846 RS 810/M BLU S032T 20160598 (8) - 07/2023...
  • 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 Servomotor adjustment ..............................23 Air / fuel adjustment ..............................23 6.6.1 Burner adjustment..............................24 6.6.2 Output upon ignition ..............................24 6.6.3 Maximum output ................................24 6.6.4 Minimum output .................................25 6.6.5 Intermediate outputs ..............................25 Pressure switch adjustment ............................26 6.7.1 Air pressure switch - check CO..........................26 6.7.2 Maximum gas pressure switch...........................26 6.7.3...

  • Page 5: Declarations

    Declarations Declarations 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 revision 26.01.2010”. Product Model Type Output Forced draught gas burner RS 810/M BLU S032T 1200 - 8000 kW...

  • 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 is 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

    3N / 400V / 50Hz 3/230/50 3 / 230V / 50Hz 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 Voltage Start-up Code RS 810/M BLU 3/400/50 Star/Delta 20155846 Tab. A 20160598...

  • Page 10: Burner Categories - Countries Of Destination

    Gas category Destination country 2ELL AT-BG-CH-CZ-DK-EE-ES-FI-GB-GR-HU-HR-IE-IS-IT-LT-LV-NO-PT- RO-SE-SI-SK-TR LU - PL 2E(R) Tab. B Technical data Model RS 810/M BLU Power 1200/3500 ÷ 8100 Output Fuels Natural gas: G20 (methane gas) - G25 Gas pressure at max. output mbar 49.7/73 Gas: G20/G25...

  • Page 11: Maximum Dimensions

    Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part turned on the hinge. The l position is reference for the refractory thickness of the boiler door. 20161935 Fig. 1 RS 810/M BLU 1197 DN80 1345 1055 Tab. E Burner equipment Thermal insulation screen .

  • Page 12: Firing Rates

    1013 mbar (approx. 0 m limit of the diagram: a.s.l.), and with the combustion head adjusted as WARNING shown on page 18. Model RS 810/M BLU 1200 20161991 Thermal power – kW Fig. 2 Test boiler The burner/boiler combination does not pose any problems if the...

  • Page 13: Burner Description

    Technical description of the burner 4.10 Burner description 20162042 Fig. 4 Lifting rings Cover for electrical panel Lever for combustion head movement Air pressure test point for combustion head Combustion head Shutter Flame stability disc Gas inlet flange Maximum gas pressure switch 10 Lever for gas butterfly valve control 11 Hinge for burner opening 12 Adjustable profile cam...

  • Page 14: Electrical Panel Description

    Technical description of the burner 4.11 Electrical panel description 20162523 Fig. 5 Ignition transformer Burner state indicator light and reset button. For further information see section “Burner ignition” on page 23 OFF-automatic-manual selector Flame control Power increase - power reduction selector Earth terminal Air pressure switch Bracket for applying the kits...

  • Page 15: 4.12 Flame Control Rmg88

    The flame control RMG88... is a safety device! WARNING Avoid opening or modifying it, or forcing its opera- tion. Riello S.p.A. cannot assume any responsibil- ity for damage resulting from unauthorised interventions!  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel.

  • Page 16: 4.13 Servomotor Sqm41

    Technical description of the burner 4.13 Servomotor SQM41 ... Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the ser- vomotor.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • 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: Operating Position

    For boilers with front flue passes 1)(Fig. 13) or flame inversion  chamber, a protection in refractory material 5) must be inserted RS 810/M BLU between the boiler fettling 2) and the flame funnel 4). Tab. G This protection must not compromise the extraction of the blast tube.

  • Page 19: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler 20162054 Prepare a suitable lifting system using rings 3)(Fig. 13).  Fit the heat insulation supplied onto the blast tube 4)(Fig. 13).  Fit the entire burner onto the boiler hole prepared previously (Fig.

  • Page 20: Combustion Head Adjustment

    Installation 5.10 Combustion head adjustment In order to optimise performance, the burner is equipped with a variable geometry combustion head which operates on the basis 20162133 of the delivered output. According to the same rotation of the air servomotor, it is possible to change the combustion head opening by moving the lever 2)(Fig.

  • Page 21: Gas Feeding

    Installation 5.11 Gas feeding Explosion danger due to fuel leaks in the pres- The fuel supply line must be installed by qualified ence of a flammable source. personnel, in compliance with current standards and laws. Precautions: avoid knocking, attrition, sparks and WARNING heat.

  • Page 22: 5.11.2 Gas Train

    Installation 5.11.2 Gas train 5.11.4 Gas pressure Approved according to standard EN 676 and provided separately Tab. I indicates the minimum pressure drops along the gas supply from the burner. line, depending on the maximum burner output. 1 p (mbar) 2 p (mbar) G 20 G 25...

  • Page 23: Electrical Wiring

    Installation 5.12 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 24: 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 by qualified personnel, as indicated in this manual Before igniting the burner, see the paragraph and in compliance with the standards and regula- “Safety test - with gas feeding closed”...

  • Page 25: Burner Ignition

    Start-up, calibration and operation of the burner Burner ignition The burner should light after having performed the above steps.  Motor lockout because of thermal relay intervention: because of an erroneous calibration of the thermal relay or If the motor starts up, but the flame does not appear and the problems with the motor or the main power supply.

  • Page 26: Burner Adjustment

    Start-up, calibration and operation of the burner 6.6.1 Burner adjustment Air adjustment The air is adjusted by varying the angle of cam I) (Fig. 22 on The optimum adjustment of the burner requires an analysis of page 22) and by using the selector 2)(Fig. 22 on page 22). To ad- flue gases at the boiler outlet.

  • Page 27: Minimum Output

    Start-up, calibration and operation of the burner 6.6.4 Minimum output 6.6.5 Intermediate outputs Min output must be selected within the firing rate range shown on Air adjustment Fig. 2 on page 10. No adjustment is required Press button 2)(Fig. 22 on page 22) “Diminishing output” and keep it pressed until the servomotor regains (Fig.

  • Page 28: Pressure Switch Adjustment

    CO in the fumes exceeds On RS 810/M BLU burners the air pressure switch is fitted in an “absolute” mode, that is, connected only to the pressure test point “+”...

  • Page 29: Operation Sequence Of The Burner

    Start-up, calibration and operation of the burner Operation sequence of the burner 6.8.1 Burner start-up Normal ignition 0 s. - Closure of thermostat/pressure switch TL. (n° = seconds from instant 0) 2 s. - Start of electrical flame control programme. 20073942 Fan motor starts up, servomotor starts up, the pre-purging phase starts.

  • Page 30: Burner Start-Up Cycle Diagnostics

    Start-up, calibration and operation of the burner Burner start-up cycle diagnostics 6.9.1 Resetting of flame control and diagnostics During start-up, indication is according to the colour code table (Tab. J). Sequences Colour code The flame control features a diagnostics function through which any causes of malfunctioning are easily identified (indicator: RED Pre-purging LED).

  • Page 31: Normal Operation / Flame Detection Time

    Start-up, calibration and operation of the burner 6.10 Normal operation / flame detection time The flame control has a further function to guarantee the correct After releasing the button, the GREEN LED starts flashing as burner operation (signal: GREEN LED permanently on). shown in: Tab.

  • Page 32: 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 33: Safety Components

    Flame presence check Air excess The burner is fitted with an ionisation system to check that a EN 676 Max. output Min. output flame is present. The minimum current for flame control operation  1.2  1.3 is 6 µA (Fig. 32). % Calibration theoretic The burner provides a much higher current, so controls are not...

  • Page 34: Faults - Probable Causes - Solutions

    Faults - Probable causes - Solutions In the event of a burner lockout, more than two If further lockouts or burner faults occur, interven- consecutive burner reset operations could cause tions must only be made by qualified, authorised damage to the installation. On the third lockout, personnel (as indicated in this manual, and in contact the Aftersales Service.
  • Page 35 Faults - Probable causes - Solutions Signal Problem Possible cause Recommended remedy 10 blinks The burner does not switch on, and the lock- Incorrect electrical wiring Check out appears Defective flame control Replace Presence of electromagnetic disturbances in the The burner goes into Filter or eliminate thermostat lines lockout...

  • Page 36: Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Analogue control signal converter kit Burner Type Code 0/2 - 10V RS 810/M BLU 20074479 0/4 - 20mA Kit for modulating operation Burner Output regulator Code RWF 50.2 3-POINT OUTLET 20073595 RS 810/M BLU RWF 55.5 COMPLETE WITH RS-485 INTERFACE...
  • Page 37 Appendix - Accessories Soundproofing box kit Burner Type dB(A) Code RS 810/M BLU 20177776 Spacer kit Burner Code RS 810/M BLU 20008903 Gas trains in compliance with EN 676 Please refer to manual. The installer is responsible for the addition of any safety device not foreseen in this manual.

  • Page 38: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Single-wire output layout Functional layout Functional layout RMG/M... Functional layout gas train Functional layout RMG/M... Functional layout RMG/M... RWF50 kit electrical wiring... internal Electrical wiring that the installer is responsible for RWF50 Functional layout...
  • Page 39 Appendix - Electrical panel layout 20160598...
  • Page 40 Appendix - Electrical panel layout & & 20160598...
  • Page 41 Appendix - Electrical panel layout 20160598...
  • Page 42 Appendix - Electrical panel layout 20160598...
  • Page 43 Appendix - Electrical panel layout 20160598...
  • Page 44 Appendix - Electrical panel layout 20160598...
  • Page 45 Appendix - Electrical panel layout 20160598...
  • Page 46 Appendix - Electrical panel layout 20160598...
  • Page 47 Appendix - Electrical panel layout 20160598...
  • Page 48 Appendix - Electrical panel layout 20160598...
  • Page 49 Appendix - Electrical panel layout Wiring layout key Flame control Suppressor Output power regulator RWF40 internal Input in current DC 0...20 mA, 4...20 mA Input in current DC 0...20 mA, 4...20 mA to modify re- mote setpoint Pressure probe Pressure probe Remote setpoint potentiometer Thermocouple probe Probe Pt100, 2 wires...
  • 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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