Riello RS 150 Installation, Use And Maintenance Instructions
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Riello RS 150 Installation, Use And Maintenance Instructions

Riello RS 150 Installation, Use And Maintenance Instructions

Forced draught gas burner
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Installation, use and maintenance instructions
Forced draught gas burner
GB
Progressive two-stage operation
CODE
MODEL
20190954
RS 150
20191053 (1) - 06/2021

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Summary of Contents for Riello RS 150

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Progressive two-stage operation CODE MODEL 20190954 RS 150 20191053 (1) - 06/2021...
  • 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 Background .................................
  • Page 4 Contents Servomotor adjustment ..............................25 Adjusting the burner ..............................26 5.6.1 Output upon ignition ..............................26 5.6.2 Output in 2nd stage..............................26 5.6.3 Output in 1st stage ..............................27 5.6.4 Intermediate outputs ..............................27 5.6.5 Air pressure switch..............................28 5.6.6 Minimum gas pressure switch............................28 Operation sequence of the burner ..........................29 5.7.1 Burner start-up ................................29 5.7.2...

  • Page 5: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 1.1.1 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 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 Background The burners have been designed and built in compliance with which the burner has been regulated, the pressurisation of the current regulations and directives, applying the known technical combustion chamber, the dimensions of the combustion cham- rules of safety and envisaging all the potential danger situations.

  • Page 8: Technical Description Of The Burner

    Electrical supply of the system: 1/230/50 1 / 230V / 50Hz 3/230-400/50 3/230V/50Hz 3N/ 400V / 50Hz Auxiliary voltage: 230/50/60 230V / 50-60Hz 3/400/50 1/230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RS 150 3/400/50 Direct 20190954 Tab. A 20191053...

  • Page 9: Technical Data

    Technical description of the burner Technical data MODEL RS 150 POWER (1) 2nd stage 900 - 1850 Mcal/h 774 - 1591 min. 1st stage Mcal/h FUEL NATURAL GAS: G20 - G25 Gas pressure at max. output mbar 24.9 36.6 Gas: G20/G25 Operation •...

  • Page 10: Maximum Dimensions

    I. T - T ( 1 ) U - U ( 1 ) 20152197 Fig. 1 T - T U - U RS 150 2” 280 - 415 1222 - 1357 Tab. D Blast tube: short-long Burner equipment Flange for gas train .

  • Page 11: 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. RS 150 = 300 kW 20047386 Thermal power - kW Fig. 2 Test boiler The firing rates were set in relation to special test boilers, accord- ing to EN 676 regulations.

  • Page 12: Commercial Boilers

    Technical description of the burner 3.8.1 Commercial boilers NOTE: For flame inversion boilers, a kit is available to reduce CO The burner/boiler combination does not pose any problems if the emissions if required. The kit includes 5 gas pipes, identical boiler is EC approved and its combustion chamber dimensions to the other 5 already fitted to the burner head.

  • Page 13: Burner Description

    Technical description of the burner Burner description 10 9 20191097 12 13 Fig. 5 Combustion head 17 Air pressure test point Ignition electrode 18 Flame sensor probe Screw for combustion head adjustment 19 Air damper Pipe coupling Two types of burner failure may occur: Servomotor controlling the gas butterfly valve and the air damper valve (by means of an variable profile cam mechanism).

  • Page 14: Electrical Panel Description

    Technical description of the burner 3.10 Electrical panel description 20189977 Fig. 6 Plug-socket on ionisation probe cable Motor contactor and thermal relay with reset button Two switches: - one for “on - off burner” - one for “1st - 2nd stage” Terminal board for electric connection Cable grommets for electrical wiring (to be carried out by the installer)

  • Page 15: 3.11 Control Box Rmg88

    The control box 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: Servomotor (Sqn31.22

    Technical description of the burner 3.12 Servomotor (SQN31.22...) Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the actua- WARNING tors.  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 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 18: Operating Position

    Provide an adequate lifting system. mal insulation screen supplied with the burner.   Separate the combustion head from the rest of the burner RS 150 275 - 325 (Fig. 12):  loosen the 4 screws 3) and remove the hood 1) Tab.

  • Page 19: Access To Head Internal Part

    Installation Access to head internal part In order to reach inside the combustion head (Fig. 13) proceed as follows:  remove the screw 1) and take out the internal part 2). D8689 Fig. 13 Positioning the probe - electrode Before securing the burner to the boiler, check Do not rotate the probe: leave it as in Fig.

  • Page 20: Combustion Head Adjustment

    Installation Combustion head adjustment At this point of the installation, the combustion head is fixed to the boiler as shown in Fig. 12. It is therefore especially easy to adjust, and this adjustment de- pends only on the maximum output of the burner. You can adjust the air and gas to calibrate the combustion head.

  • Page 21: Gas Feeding

    Installation Gas feeding Explosion danger due to fuel leaks in the pres- MBC “threaded” ence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure that the fuel interception tap 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 22: Gas Train

    Installation 4.9.2 Gas train 4.9.4 Gas pressure Approved according to standard EN 676 and provided separately Tab. H indicates the pressure drops of the combustion head and from the burner. gas butterfly valve, on the basis of the burner operating output. 1 Dp (mbar) 2 Dp (mbar) 4.9.3...
  • Page 23 Installation Example with natural gas G20: Operation at maximum modulating output Gas pressure at an output of 1300 kW 8.7 mbar Pressure in combustion chamber 3 mbar 8.7 + 3 = 11.7 mbar pressure required at test point 1)(Fig. 23). D3734 Fig.

  • Page 24: Electrical Wiring

    Installation 4.10 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 25: Calibration Of The Thermal Relay

    Installation 4.11 Calibration of the thermal relay The thermal relay serves to avoid damage to the motor due to an excessive absorption increase or if a phase is missing. For the calibration, act on the wiper 2)(Fig. 25) by referring to the wiring diagram.

  • 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 Check the correct working of the adjustment, com- by qualified personnel, as indicated in this manual mand and safety devices.

  • 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 remote controls and turn: – switch 1)(Fig. 28) to the “Burner ON” position; – switch 2)(Fig. 28) to the “1st stage” position. As soon as the burner starts up: –...

  • Page 28: Adjusting The Burner

    Start-up, calibration and operation of the burner Adjusting the burner 5.6.2 Output in 2nd stage The optimum adjustment of the burner requires an analysis of flue gases at the boiler outlet. MAX output must be selected within the firing rate range shown Adjust in sequence: on page 9.

  • Page 29: Output In 1St Stage

    Start-up, calibration and operation of the burner 5.6.3 Output in 1st stage Min output must be selected within the firing rate range shown on page 9. Turn switch 2)Fig. 28 on page 25 to the 1st stage position: the servomotor 1) will close the air damper and, at the same time, will also close the gas butterfly valve to 15°...

  • Page 30: Air Pressure Switch

    Start-up, calibration and operation of the burner 5.6.5 Air pressure switch Adjust the air pressure switch after performing all other burner adjustments with the air pressure switch set to the start of the scale (Fig. 33).  With the burner operating in 1st stage, insert a combustion analyser in the flue and slowly close the suction inlet of the fan (e.g.

  • Page 31: Operation Sequence Of The Burner

    Start-up, calibration and operation of the burner Operation sequence of the burner 5.7.1 Burner start-up NORMAL IGNITION (n° = seconds from instant 0) Control remote control TL closes (Fig. 35). Servomotor starts: turn to the right, as far as the angle set on the 20187528 cam with the orange lever.

  • Page 32: Burner Flame Goes Out During Operation

    Start-up, calibration and operation of the burner 5.7.4 Burner flame goes out during operation If the flame accidentally goes out during operation, the burner will go into lockout within 1s. Stopping of the burner The burner can be stopped by: Carry out all the operations, then reassemble the ...

  • Page 33: 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 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 34: Combustion Control (Gas)

    Maintenance Boiler 6.2.5 Safety components Clean the boiler as indicated in its accompanying instructions in The safety components should be replaced at the end of their life order to maintain all the original combustion characteristics in- cycle indicated in Tab. K. The specified life cycles do not refer to tact, especially: the flue gas temperature and combustion cham- the warranty terms indicated in the delivery or payment condi- ber pressure.

  • Page 35: Opening The Burner

    Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the main system switch. DANGER Close the fuel interception tap. DANGER D3041 Wait for the components in contact with heat sources to cool down completely.  Loosen the screws 1) and remove the hood 2). ...

  • Page 36: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions 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 37 Faults - Possible causes - Solutions 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 38: Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Long head kit Burner Standard head length (mm) Extended head length (mm) Code RS 150 20052186 Soundproofing chamber Burner Type Reduction of noise average Code RS 150 C4/5 10 [dB(A)] 3010404 Spacer kit DN80 gas flange kit...

  • Page 39: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Operational layout Operational layout Electrical connections set by installer Indication of references / 1 . A 1 Sheet no. Co-ordinates 20191053...
  • Page 40 Appendix - Electrical panel layout 20191053...
  • Page 41 Appendix - Electrical panel layout 20191053...
  • Page 42 Appendix - Electrical panel layout 20191053...
  • Page 43 Appendix - Electrical panel layout Wiring layout key Control box Filter to protect against radio disturbance Ionisation probe connector Fuse Thermal relay Lockout signal lamp Relay Motor contactor Burner manual stop switch Ionisation probe Fan motor Air pressure switch PGmin Minimum gas pressure switch Three-phase line switch/disconnecting switch Single-phase line disconnecting switch...
  • Page 44 Registered Office - 公司注册所在地 : Manufacturing site: 生产场所 : RIELLO S.p.A. Riello Heating Equipment (Shanghai) CO., LTD Riello Heating Equipment (Shanghai) CO., LTD I-37045 Legnago (VR) No. 388, Jinbai Road - Jinshan Industrial Zone 利雅路热能设备 ( 上海 ) 有限公司 Tel.: +39.0442.630111 201506 - Shanghai 上海市金山工业区金百路...

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