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

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Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two-stage or modulating operation
CODE
20044638 - 20044639
20051315 - 20051316
MODEL
RS 150/M
RS 150/M
TYPE
890T
890T
20054085 (2) - 05/2013

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  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 20044638 - 20044639 RS 150/M 890T 20051315 - 20051316 RS 150/M 890T 20054085 (2) - 05/2013...
  • 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 Burner ignition ................................25 Servomotor adjustment ..............................25 Adjusting the burner ..............................26 6.6.1 Output upon ignition ..............................26 6.6.2 Maximum output ................................26 6.6.3 Minimum output .................................27 6.6.4 Intermediate outputs ..............................27 6.6.5 Maximum gas pressure switch...........................28 6.6.6 Minimum gas pressure switch............................28 6.6.7 Air pressure switch..............................28 Operation sequence of the burner ..........................29 6.7.1 Burner start-up ................................29...

  • Page 5: Declarations

    The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. Legnago, 18.02.2013 Executive Director Research & Development Director RIELLO S.p.A. - Burner Department RIELLO S.p.A. - Burner Department Mr. I. Zinna Mr. R. Cattaneo...

  • Page 6: Information And General Warnings

    Information and general warnings Information and general warnings 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 warnings  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

    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 150/M 3/400/50 Direct 20044638 RS 150/M 3/400/50 Direct 20044639 RS 150/M 3/230/50 Direct 20051315 RS 150/M 3/230/50...

  • Page 10: Burner Categories - Countries Of Destination

    SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO 2ELL 2E(R)B LU - PL Tab. B Technical data Model RS 150/M Code 20044638 - 20044639 20051315 - 20051316 Power min - max 300/900 - 1850...

  • Page 11: Maximum Dimensions

    The dimensions of the open burner are indicated by position I. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part drawn back on the slide bars. D731 Fig. 2 RS 150/M 280-415 1180-1315 2” Tab. E (1) Blast tube: short-long...

  • Page 12: Test Boiler

    Technical description of the burner Trace a vertical line from point A (Fig. 4), and find the max- imum pressure “H2” of the firing rate. H1r = H1 x Multiply “H2” by “F” to obtain the maximum lowered pres- sure “H3” of the firing rate Example , 5% reduction in output: H3 = H2 x F (mbar).

  • Page 13: Burner Description

    Technical description of the burner Burner description Combustion head Ignition electrode Screw for combustion head adjustment Maximum gas pressure switch Servomotor controlling the gas butterfly valve and the air damper valve (by means of an adjustable profile cam mech- anism). When the burner is not operating the air gate valve is fully closed in order to reduce heat dispersion from the boiler due to the flue draught which draws air from the fan suction inlet.

  • Page 14: Control Box (Rmg/M 88.62C2)

    The control box is a safety device! Avoid opening WARNING or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for dam- age resulting from unauthorised interventions!  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel.

  • Page 15: Servomotor (Sqn31.76

    Technical description of the burner 4.12 Servomotor (SQN31.76...) Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the actuators. WARNING  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 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 17: Operating Position

    D455 complete with its refractory. Fig. 11 The available lengths are the ones indicated in Tab. I. Blast tube Short Long RS 150/M 275-325 RS 150/M 280mm 415mm Tab. J Tab. I For boilers with a front flue gas passes 15)(Fig. 12) or flame in-...

  • Page 18: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler sector 8);  remove screws 2) from the two slide bars 5); Provide an adequate lifting system.  remove the 2 screws 4) and pull the burner back on slide bars 5) by about 100mm; ...

  • Page 19: Positioning The Probe - Electrode

    Installation Positioning the probe - electrode Do not rotate the probe: leave it as in Fig. 14. When positioning the probe and electrode, re- since if it is located too close to the ignition elec- spect the dimensions shown in Fig. 14. trode, the control box amplifier may be damaged.
  • Page 20 Installation Once the combustion head adjustment is completed: When fitting the burner on the two slide bars, it is  reassemble the burner on the guides 3), about 100mm from advisable to gently draw out the high voltage ca- the pipe coupling 4) - burner in the position shown in Fig. 12; ble and the flame detection probe cable until they ...

  • 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 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 22: Gas Train

    Installation 5.9.2 Gas train Approved according to standard EN 676 and provided separately from the burner. To select the correct gas train model, refer to the supplied “Burn- er-gas train combination” manual. 5.9.3 Gas train installation Disconnect the electrical power using the main switch.
  • Page 23 Installation Example with natural gas G20: Operation at maximum modulating output Gas pressure at test point 1) (Fig. 23) = 11.7 mbar Pressure in combustion chamber 3 mbar 11.7 - 3 8.7 mbar A pressure of 8.7 mbar (column 1) corresponds in Tab. K to an output of 1300 kW.

  • Page 24: Electrical Wiring

    Installation 5.10 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 5.11 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, refer to the wiring diagram. The protection is in any case ensured even if the minimum value of the thermal relay scale is over the rating absorption of the mo- tor.

  • 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 thermostats/pressure switches and turn the switch to MAN (Fig. 28). As soon as the burner starts up: –...

  • Page 28: Adjusting The Burner

    Start-up, calibration and operation of the burner Adjusting the burner The optimum adjustment of the burner requires an analysis of 6.6.2 Maximum output 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: Minimum Output

    Start-up, calibration and operation of the burner 6.6.3 Minimum output As far as is possible, try not to move those screws Min output must be selected within the firing rate range shown on at the ends of the cam that were previously adjust- page 9.

  • Page 30: Maximum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.6.5 Maximum gas pressure switch Adjust the maximum gas pressure switch after having performed all the other burner adjustments with the maximum gas pressure switch set at the end of the scale (Fig. 33). With the burner operating at maximum output, lower adjustment pressure by slowly turning the relative knob anticlockwise until the burner locks out.

  • Page 31: Operation Sequence Of The Burner

    Start-up, calibration and operation of the burner Operation sequence of the burner 6.7.1 Burner start-up NORMAL IGNITION TL thermostat/pressure switch closes. Control box program starts up. Servomotor starts: rotate 130° to the right, until the con- tact intervenes on cam I (Fig. 30). The air damper reaches the MAX output position.

  • Page 32: Stopping Of The Burner

    Start-up, calibration and operation of the burner Stopping of the burner The burner can be stopped by: Carry out all the operations, then reassemble the  intervening on the disconnecting switch of the electrical sup- hood and all the burner safety and protection de- ply line, located on the boiler panel;...

  • Page 33: 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 34: Opening The Burner

    Maintenance Boiler Excess air Clean the boiler as indicated in its accompanying instructions in EN 676 Max. output Max. output order to maintain all the original combustion characteristics in-   1.2   1.3 tact, especially the flue gas temperature and combustion cham- Theoretical % Calibration ber pressure.

  • Page 35: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions The control box has a self-diagnostic system, which easily allows After releasing the button, the RED LED starts flashing as shown identifying the operating faults (signal: RED LED ). in the diagram below.
  • Page 36 Faults - Possible causes - Solutions SIGNAL FAULT PROBABLE CAUSE RECOMMENDED SOLUTION 7 blinks The burner goes into The operation solenoid lets little gas through Increase  lockout immediately fol- Ionisation probe incorrectly adjusted Adjust  lowing the appearance Insufficient ionisation (less than 5 µA) Check probe position of the flame Earth probe...

  • Page 37: Normal Operation / Flame Detection Time

    Faults - Possible causes - Solutions Normal operation / flame detection time The control box 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 the diagram below.

  • Page 38: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Long head kit Standard head Extended head Burner Code length (mm) length (mm) RS 150/M 20052186 Spacer kit Burner Thickness (mm) Code RS 150/M 3010129 Continuous purging kit Burner Code RS 150/M 3010094 Soundproofing chamber...
  • Page 39 Kit for LPG operation Head length Burner Code (mm) 20050064 RS 150/M 20050065 Radio disturbance protection kit If the burner is installed in places particularly subject to radio dis- Burner Code turbance (emission of signals exceeding 10V/m) owing to the...

  • Page 40: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Functional layout RMG/M (230V) Functional layout RMG/M (400V) Functional diagram Electrical wiring that the installer is responsible for (230V) Electrical wiring that the installer is responsible for (400V) Functional layout RWF40...
  • Page 41 Appendix - Electrical panel layout 20054085...
  • Page 42 Appendix - Electrical panel layout 20054085...
  • Page 43 Appendix - Electrical panel layout 20054085...
  • Page 44 Appendix - Electrical panel layout 20054085...
  • Page 45 Appendix - Electrical panel layout 20054085...
  • Page 46 Appendix - Electrical panel layout 20054085...
  • Page 47 Appendix - Electrical panel layout Wiring layout key Ionisation probe connector Ionisation probe Burner components Boiler components Fan motor contact maker Electrical control box Output regulator RWF40 Probe with output under current Device with output undercurrent, for modifying remote setpoint Pressure probe Pressure probe Remote setpoint potentiometer...
  • Page 48 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.rielloburners.com Subject to modifications...

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