Riello RS 70/M Installation, Use And Maintenance Instructions
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Riello RS 70/M Installation, Use And Maintenance Instructions

Forced draught gas burner
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Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two-stage or modulating operation
CODE
20195818
20195847
20195849
MODEL
RS 70/M
RS 100/M
RS 130/M
20195916 (1) - 01/2022

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Summary of Contents for Riello RS 70/M

  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL 20195818 RS 70/M 20195847 RS 100/M 20195849 RS 130/M 20195916 (1) - 01/2022...
  • Page 2 Translation of the original instructions...

  • Page 3: Table Of Contents

    Contents Information and general warnings............................3 Information about the instruction manual ........................3 1.1.1 Introduction.................................. 3 1.1.2 General dangers................................3 1.1.3 Other symbols ................................3 1.1.4 Delivery of the system and the instruction manual...................... 4 Guarantee and responsibility............................4 Safety and prevention................................5 Introduction..................................
  • Page 4 Contents 5.5.2 Ignition output ................................25 5.5.3 Maximum output ................................25 5.5.4 Minimum output .................................26 5.5.5 Intermediate outputs ..............................26 Pressure switch adjustment ............................27 5.6.1 Air pressure switch..............................27 5.6.2 Maximum gas pressure switch...........................27 5.6.3 Minimum gas pressure switch............................27 Measuring the ionisation current ..........................28 Burner operation ................................29 5.8.1 Burner start-up ................................29...

  • Page 5: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 1.1.1 Introduction DANGER: EXPLOSION The instruction manual supplied with the burner: This symbol signals places where an explosive  is an integral and essential part of the product and must not atmosphere may be present.

  • Page 6: Delivery Of The System And The Instruction Manual

    Information and general warnings 1.1.4 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 7: 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 safety rules and envisaging all the potential danger situations.

  • Page 8: Technical Description Of The Burner

    3/400/50 230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RS 70/M 3 ~ 400/230 V - 50 Hz Direct 20195818 RS 100/M 3 ~ 400/230 V - 50 Hz Direct 20195847 RS 130/M 3 ~ 400/230 V - 50 Hz...

  • Page 9: Technical Data

    Technical description of the burner Technical data Model RS 70/M RS 100/M RS 130/M Output 470 - 930 700 - 1340 920 - 1600 maximum Mcal/h 404 - 800 602 - 1152 791 - 1376 minimum Mcal/h Fuel Natural gas: G20 - G25 Gas pressure at max.

  • Page 10: Maximum Dimensions

    The maximum dimensions of the open burner are indicated by values U. T - T ( 1 ) U - U ( 1 ) 20152197 Fig. 1 RS 70/M 2” 250-385 1221-1356 RS 100/M 2” 250-385...

  • Page 11: Firing Rates

    20 °C, an limit of the diagram. atmospheric pressure of 1013 mbar (approx. 0 m a.s.l.), and with the combustion head adjusted as ATTENTION shown on page 18. RS 70/M RS 100/M D9123 Thermal power Thermal power RS 130/M Thermal power Fig.

  • Page 12: Burner Description

    Technical description of the burner Burner description 20196225 11 12 Fig. 4 Combustion head 10 Slide bars for opening the burner and inspecting the Ignition electrode combustion head Screw for combustion head adjustment 11 Gas pressure test point and head fixing screw Maximum gas pressure switch 12 Air pressure test point Pipe coupling...

  • Page 13: Electrical Panel Description

    Technical description of the burner 3.10 Electrical panel description 20190958 Fig. 5 Plug-socket on ionisation probe cable Motor contactor and thermal relay with reset button Switch for automatic-manual-off operation; a button for output increase-decrease Main terminal supply board Cable grommets for electrical wiring (to be carried out by the installer) Minimum air pressure switch (differential type) Ignition transformer...

  • Page 14: 3.11 Control Box Rmg88

    The control box RMG88... is a safety device! ATTENTION 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 15: Servomotor (Sqn31

    Technical description of the burner 3.12 Servomotor (SQN31...) Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying forcing ATTENTION actuators.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 16: 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 17: Operating Position

     The available length L (mm) is as follows. RS 70/M 275-325 M 12 RS 70/M RS 100/M...

  • Page 18: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler The burner-boiler seal must be hermetic; after Provide an adequate lifting system of the burner. burner start-up check there is no leakage of flue gases into the external environment. ATTENTION Before securing the burner to the boiler, check (through the 11 15 opening of the blast tube) that the probe and electrode are correctly positioned, as in Fig.

  • Page 19: Positioning The Probe - Electrode

    Installation 4.10 Positioning the probe - electrode Check that the probe and the electrode are placed as in Fig. 16, according to the dimensions indicated. ATTENTION If the probe or electrode is not correctly positioned, you must:  remove the screw 1)(Fig. 15) ...

  • Page 20: Combustion Head Adjustment

    Installation 4.11 Combustion head adjustment At this stage of installation the blast tube and the pipe coupling Gas adjustment Fig. 17 are secured to the boiler as shown in Fig. 17. When the burner is installed for maximum output 1300 Mcal/h Therefore the adjustment of the combustion head is particularly (about 1500 kW), fit discs 1) and 2)(Fig.

  • Page 21: Closing The Burner

    Installation 4.12 Closing the burner Once the combustion head adjustment is completed:  reassemble the burner on slide bars 3)(Fig. 19), about 100 mm from the pipe coupling 4)(Fig. 19);  insert the probe cable and the electrode cable, then slide the burner as far as the pipe coupling.

  • Page 22: Gas Supply

    Installation 4.13 Gas supply Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel shut-off valve is closed before performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws.

  • Page 23: 4.13.2 Gas Train

    Installation 4.13.2 Gas train 4.13.4 Gas pressure Type-approved in accordance with EN 676 and supplied Tab. H indicates the pressure drops of the combustion head and separately from the burner. gas butterfly valve depending on the burner operating output. p (mbar) p (mbar) 4.13.3 Gas train installation Disconnect the power supply using the system...
  • Page 24 Installation Column 1 Combustion head pressure drop. Gas pressure measured at test point 1)(Fig. 25), with: • combustion chamber at 0 mbar • burner working at maximum output Column 2 Pressure drop at gas butterfly valve 2)(Fig. 25) with maximum opening: 90°.

  • Page 25: Electrical Wiring

    Installation 4.14 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 26: 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 Before starting up the burner, refer to section by qualified personnel, as indicated in this manual “Safety test - with no gas supply”...

  • Page 27: 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 turn the switch in Fig. 29 to position “MAN”. As soon as burner starts, check the fan rotation direction through the flame inspection window.

  • Page 28: Minimum Output

    Start-up, calibration and operation of the burner Air adjustment Bring the output to 800 kW using the screws 5) of the mechanical cam (Fig. 28 on page 24) and check the emissions. The air is adjusted by varying the angle of cam I) (Fig. 28 on page 24) and by using the selector 2)(Fig.

  • Page 29: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner Pressure switch adjustment 5.6.1 Air pressure switch Adjust the air pressure switch (Fig. 32) after performing all other burner adjustments with the air pressure switch set to the start of the scale. With the burner operating at MIN output, increase adjustment pressure by slowly turning the relevant knob clockwise until the burner locks out.

  • Page 30: Measuring The Ionisation Current

    Start-up, calibration and operation of the burner Measuring the ionisation current The burner is fitted with an ionisation system to check that a flame is present. The minimum current for control box operation is 6 µA. The burner provides a much higher current, so controls are not normally required.

  • Page 31: Burner Operation

    Start-up, calibration and operation of the burner Burner operation 5.8.1 Burner start-up • The burner locks out when the heat request is less than the heat supplied by the burner at MIN output, (section G-H). • TL closes. The TL remote control opens, the servomotor returns to •...

  • Page 32: Maintenance

    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 safety, yield and duration of the burner. operations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time.

  • Page 33: Safety Components

    Maintenance Combustion head 6.2.4 Safety components Open the burner and make sure that all components of the The safety components should be replaced at the end of their life combustion head are in good condition, not deformed by the cycle indicated in the following table. high temperatures, free of impurities from the surroundings and correctly positioned.

  • Page 34: Led Indicator And Special Function

    LED indicator and special function LED indicator and special function 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 35 LED indicator and special function Signal Problem Possible cause Recommended remedy 10 blinks The burner does not Incorrect electrical wiring Check switch on, and the lock- out appears The burner goes into Defective control box Replace lockout Presence of electromagnetic disturbances in the Filter or eliminate thermostat lines Presence of electromagnetic disturbance...

  • Page 36: A Appendix - Accessories

    3010213 Pressure RWF55.5 20099905 0 ÷ 16 bar 4 ÷ 20 mA 3010214 Kit for LPG operation Burner RS 70/M RS 100/M RS 130/M Code 20008175 - 20008176 20008177 - 20008178 20008179 - 20008180 Vibration reduction kit Burner RS 70/M...

  • Page 37: B Appendix - Electrical Panel Layout

    Functional layout RMG/M - RS 130/M Functional layout RMG/M Electrical wiring that is the responsibility of the installer - RS 70/M Electrical wiring that is the responsibility of the installer - RS 100/M Electrical wiring that is the responsibility of the installer - RS 130/M...
  • Page 38 Appendix - Electrical panel layout 20195916...
  • Page 39 Appendix - Electrical panel layout 20195916...
  • Page 40 Appendix - Electrical panel layout 20195916...
  • Page 41 Appendix - Electrical panel layout 20195916...
  • Page 42 Appendix - Electrical panel layout 20195916...
  • Page 43 Appendix - Electrical panel layout 20195916...
  • Page 44 Appendix - Electrical panel layout 20195916...
  • Page 45 Appendix - Electrical panel layout 20195916...
  • Page 46 Appendix - Electrical panel layout Wiring layout key Electrical control box Filter against radio disturbance RWF50 output regulator Current input DC 4...20 mA Current input DC 4...20 mA for remote setpoint modification Pressure probe Pressure probe Remote setpoint potentiometer Thermocouple probe Probe Pt100, 2 wires Probe Pt100, 3 wires Probe Pt100, 3 wires...
  • Page 48 Registered Office - 公司注册所在地 : 生产场所 : Manufacturing site: RIELLO S.p.A. Riello Heating Equipment (Shanghai) CO., LTD Riello Heating Equipment (Shanghai) CO., LTD 利雅路热能设备 ( 上海 ) 有限公司 I-37045 Legnago (VR) No. 388, Jinbai Road - Jinshan Industrial Zone 上海市金山工业区金百路 388 号...

This manual is also suitable for:

Rs 100/mRs 130/m201958182019584720195849

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