Riello RLS 310/M MX Modulating Operation
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Riello RLS 310/M MX Modulating Operation

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Installation, use and maintenance instructions
Dual fuel light oil/gas burners
GB
Modulating operation
CODE
20087647 - 20087648
20087651
20076483
20087649 - 20087650
20087652
20087653
MODEL
RLS 310/M MX
RLS 410/M MX
RLS 510/M MX
RLS 610/M MX
TYPE
1161T
1162T
1163T
1164T
20084880 (4) - 12/2015

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Summary of Contents for Riello RLS 310/M MX

  • Page 1 Installation, use and maintenance instructions Dual fuel light oil/gas burners Modulating operation CODE MODEL TYPE 20087647 - 20087648 RLS 310/M MX 1161T 20087651 20076483 RLS 410/M MX 1162T 20087649 - 20087650 20087652 RLS 510/M MX 1163T 20087653 RLS 610/M MX...
  • Page 2 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 5.14 Electrical wiring ................................28 5.14.1 Supply cables and external connections passage .....................28 Start-up, calibration and operation of the burner ........................29 Notes on safety for the first start-up ...........................29 Servomotor adjustment ..............................29 Adjustments prior to ignition (light oil) ........................29 6.3.1 Nozzle ..................................29 6.3.2 Combustion head ...............................29...

  • Page 5: Declarations

    The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. 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”.

  • 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 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

    Technical description of the burner Technical description of the burner Burner designation Range: Fuel: Natural gas Gas oil Light oil / Methane Heavy oil Size Adjustment: Two stage (light oil) / Proportional valve (gas) Electronic cam Electronic cam with variable speed (with Inverter) Proportional air/gas valve Mechanical cam Emission:...

  • Page 10: Models Available

    Technical description of the burner Models available Designation Voltage Start-up Code 3/400/50 Star/Triangle 20087651 RLS 310/M MX 3/230/50 Direct 20087647 3/400/50 Direct 20087648 3/400/50 Star/Triangle 20076483 RLS 410/M MX 3/230/50 Direct 20087649 3/400/50 Direct 20087650 RLS 510/M MX 3/400/50 Star/Triangle...

  • Page 11: Technical Data

    Technical description of the burner Technical data Model RLS 310/M MX RLS 410/M MX RLS 510/M MX RLS 610/M MX Type 1161T 1162T 1163T 1164T Power 600/1200 - 3600 640/1500 - 4200 660/1800 - 5170 1000/2200 - 6155 min - max...

  • Page 12: Electrical Data

    Technical description of the burner Electrical data DIRECT START UP Model RLS 310/M MX RLS 410/M MX RLS 310/M MX RLS 410/M MX Main electrical supply 3 ~ 230V +/-10% 50 Hz 3N ~ 400V +/-10% 50 Hz 2900 2920...

  • Page 13: Burner Weight

    Technical description of the burner Burner weight The weight of the burner complete with its packaging is shown in Tab. F. Model RLS 310/M MX RLS 410/M MX RLS 510/M MX 20085294 RLS 610/M MX Tab. F Fig. 1 Maximum dimensions The maximum dimensions of the burner are given in Fig.

  • Page 14: Firing Rates

    WARNING shown on page 21. Model Pre-calibration of the combustion head only for RLS 310/M MX the burner model RLS 310/M MX: RLS 410/M MX If the maximum burner output of the burner falls RLS 510/M MX WARNING within:...

  • Page 15: Test Boiler

    M16 nuts to fix the gas elbow to the pipe coupling..No. 4 Gas nozzles (only for version RLS 310/M MX)..No. 8 Instructions ........No. 1 Spare parts list .

  • Page 16: Burner Description

    Technical description of the burner 4.11 Burner description 20086727 Fig. 5 Lifting rings 36 Maximum oil pressure switch 37 Nozzle return pressure gauge Fan motor 38 Nozzle delivery pressure gauge Air/gas servomotor The burner can be opened to the right or to the left Combustion head gas pressure test point without links to the fuel supply side.

  • Page 17: Electrical Panel Description

    Technical description of the burner 4.12 Electrical panel description 20095671 20096238 Fig. 6 Ignition transformer 18 Direct start up line contactor Burner state indicator light and reset button. 19 Fan motor thermal relay (with reset button) OFF-automatic-manual selector 20 Triangle contactor (Star/triangle start up) Electrical control box Star contactor (Star/triangle start up) Power increase - power reduction selector...

  • Page 18: Control Box Lfl

    Technical description of the burner 4.13 Control box LFL Warnings To avoid accidents, material or environmental damage, observe the following instructions! The control box LFL is a safety device! Avoid WARNING opening or modifying it, or forcing its operation. Ri- ello S.p.A.

  • Page 19: Servomotor Sqm40

    Technical description of the burner 4.14 Servomotor SQM40 ... Warnings Technical data To avoid accidents, material or environmental Mains voltage 230 V -15% +10% damage, observe the following instructions! Mains frequency 50 / 60 Hz Avoid opening, modifying or forcing the servomo- Power absorption 7 ...

  • Page 20: 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 21: Operating Position

    The refractory can have a conical shape (minimum 60°). For boilers with front flue passes 1) (Fig. 13) or flame inversion RLS 310/M MX chamber, a protection in refractory material 5) must be inserted between the boiler fettling 2) and the flame funnel 4).

  • Page 22: Access To Head Internal Part

    Installation Access to head internal part The burner leaves the factory set for opening to the right, there- fore maintaining the pin 1)(Fig. 14) in its housing. To open the burner towards the right, proceed as follows: A remove the screw 6) releasing the tie-rod 7)(Fig. 14); B remove the screws 2);...

  • Page 23: Gas Butterfly Valve

    Fig. 18 Maximum burner output (kW) The combustion head can be adjusted within the following fields: RLS 310/M MX: 0 - 11; WARNING RLS 410/M MX: 5 - 16; RLS 510/M MX: 2 - 16; RLS 610/M MX: 0 - 6.

  • Page 24: Nozzle Installation

    Installation 5.11 Nozzle installation 5.11.1 Recommended nozzle The burner complies with the emission requirements of the EN 267 standard. • Fluidics type N2 45° In order to guarantee that emissions do not vary, recommended Alternatively: and/or alternative nozzles specified by the Manufacturer in the In- •...

  • Page 25: Light Oil Supply

    Installation 5.12 Light oil supply 5.12.1 Double-pipe circuit 5.12.2 The loop circuit The burner is equipped with a self-priming pump which is capable A loop circuit consists of a loop of piping departing from and re- of feeding itself within the limits listed in the table at the side. turning to the tank with an auxiliary pump that circulates the fuel under pressure.

  • Page 26: Hydraulic Circuit Diagram

    Installation 5.12.4 Hydraulic circuit diagram  The pump can be considered to be primed when the light oil starts coming out of the screw 4). Close the burner and undo the screws 4). D9249 Fig. 22 Key (Fig. 22) Suction line G 1/2”...

  • Page 27: Gas Feeding

    Installation 5.13 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 28: Gas Train

    Installation 5.13.2 Gas train Approved according to standard EN 676 and provided separately Pay attention when handling the train: danger of from the burner. crushing of limbs. To select the correct gas train model, refer to the supplied “Burn- er-gas train combination” manual. Make sure that the gas train is properly installed by checking for any fuel leaks.

  • Page 29: Gas Pressure

    Installation 5.13.4 Gas pressure 1 p (mbar) 2 p (mbar) Tab. M indicates the minimum pressure drops along the gas sup- G 20 G 25 G 20 G 25 ply line, depending on the maximum burner output. 1200 The values shown in Tab. M refer to: 1467 –...

  • Page 30: Electrical Wiring

    Installation 5.14 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 31: 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  Check the correct working of the adjustment,  The first start-up of the burner must be car- command and safety devices. ried out by qualified personnel, as indicated in this manual and in compliance with the WARNING...

  • Page 32: Burner Start-Up (Light Oil)

    Start-up, calibration and operation of the burner Burner start-up (light oil) Electrically power the burner using the disconnecting switch  repeat the start-up procedure. on the boiler panel. Make sure that the lights or testers connected to Position the selector 23)(Fig. 6 on page 15) on “OIL” to select the solenoids, or the pilot lights on the solenoids light oil as fuel.

  • Page 33: Pressure Variator

    Start-up, calibration and operation of the burner Pressure variator Calibration pressure on return line Example: if you use a 450 kg/h nozzle and you want to obtain an output of With the servomotor in the minimum output position, the nut and 4550 kW, the pressure on the pressure gauge 1)(Fig.

  • Page 34: Light Oil Burner Calibration Procedure

    Start-up, calibration and operation of the burner 6.6.1 Light oil burner calibration procedure 6.6.3 Minimum output (light oil)  Switch on the burner, with the selector on the control panel Min output must be selected within the firing rate range shown on on manual 1)(Fig.

  • Page 35: Adjustments Prior To Ignition (Gas)

    Start-up, calibration and operation of the burner Adjustments prior to ignition (gas) Combustion head adjustment is already described on page 21. Before starting up the burner, it is good practice to In addition, the following adjustments must also be made: adjust the gas train so that ignition takes place in ...

  • Page 36: Proceed With The Calibration (Gas)

    Start-up, calibration and operation of the burner 6.10 Proceed with the calibration (gas) The fuel/combustion synchronisation is done by means of a ser- Example for G 20 gas (9.45 kWh/Sm vomotor connected to two variable profile cams, which act on the Max.

  • Page 37: Minimum Output

    Start-up, calibration and operation of the burner Air adjustment The regulation of the air is carried out by changing the angle of the cam I) and IV) of the servomotor Fig. 29 and using the selec- tor 2)(Fig. 30 on page 30). To adjust the cam of the servomotor, see Fig.

  • Page 38: Intermediate Outputs

    Start-up, calibration and operation of the burner 6.10.5 Intermediate outputs Adjustment of gas delivery After adjusting the maximum and minimum output of the burner, carry out air adjustment on higher intermediate positions of the servomotor. The passage from one position to the next one is ob- tained by pressing the button 2) on the symbol (+) or (-) (Fig.

  • Page 39: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner 6.11 Pressure switch adjustment 6.11.1 Air pressure switch - check CO 6.11.3 Minimum gas pressure switch Adjust the air pressure switch after performing all other burner Adjust the minimum gas pressure switch after performing all the adjustments with the air pressure switch set to the start of the other burner adjustments with the pressure switch set to the start scale (Fig.

  • Page 40: Operation Sequence Of The Burner (Gas)

    Start-up, calibration and operation of the burner 6.12 Operation sequence of the burner (gas) 6.12.1 Burner start-up Normal ignition TL thermostat/pressure switch closure. (no. = seconds from instant 0) Fan motor start. Servomotor starts: 20078983 turn to the right until the intervention of the contact on the cam 4) The air damper is positioned to MAX output.

  • Page 41: Operation Sequence Of The Burner (Light Oil)

    Start-up, calibration and operation of the burner 6.13 Operation sequence of the burner (light oil) 6.13.1 Burner start-up Normal ignition TL thermostat/pressure switch closure. (no. = seconds from instant 0) Fan motor start. Pump motor start. 20095480 Servomotor starts: rotates 90° towards the right, i.e.

  • Page 42: Final Checks (With Burner Operating)

    Start-up, calibration and operation of the burner 6.14 Final checks (with burner operating)   Open the thermostat/pressure switch TL The burner must stop  Open the thermostat/pressure switch TS  Turn the knob of the gas maximum pressure switch to the ...

  • Page 43: 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 44 Maintenance LIGHT OIL OPERATION GAS OPERATION Pump Gas leaks The delivery pressure must be stable at 20 bar. Make sure that there are no gas leaks on the pipe between the The depression must be less than 0.45 bar. gas meter and the burner. Unusual noise must not be evident during pump operation.

  • Page 45: Opening The Burner

    Maintenance Opening the burner D fully open the burner as in Fig. 14; E undo the screw 4) with pressure test point; Disconnect the burner from the electrical sup- F disconnect the light oil pipes by unscrewing the two swivel fit- ply.

  • Page 46: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions The LFL electronic control box is equipped with a lockout indica- Lockout indicator tor (Fig. 47) which turns during the start-up programme, and Start-up sequence which can be seen from the small reset window. b-b’...
  • Page 47 Faults - Possible causes - Solutions Find a list of faults, causes and possible solutions for a set of failures that may occur and result in irregular burner operation or no functioning at all. If a burner malfunction is detected, first of all: •...
  • Page 48 Faults - Possible causes - Solutions GAS OPERATION Symbol Problem Possible cause Recommended remedy The burner continues to The gas pressure in the gas mains lies very repeat the start-up cycle, close to the value to which the minimum gas without lockout pressure switch has been set.
  • Page 49 Faults - Possible causes - Solutions LIGHT OIL OPERATION Symbol Problem Possible cause Recommended remedy The burner does not start Limiter or safety control device open Adjust or replace Control box lockout Release Fan motor lockout Release the thermal relay Adjust the pressure switch or eliminate Intervention of maximum oil pressure switch overpressure...
  • Page 50 Faults - Possible causes - Solutions LIGHT OIL OPERATION Symbol Problem Possible cause Recommended remedy Once the pre-purging No fuel in the tank, or water on the bottom Refill with fuel, or remove the water and the safety time has Bad head and damper adjustments Adjust elapsed the burner goes...
  • Page 51 Faults - Possible causes - Solutions LIGHT OIL OPERATION Symbol Problem Possible cause Recommended remedy Pump unprimes after Bring it to the same height as the suction Return pipeline not immersed in the fuel prolonged pause line Air in the suction line Block the couplings Pump leaks light oil Loss of sealing organ...

  • Page 52: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Analogue control signal converter kit Burner Type Code 0/2 - 10V All models 20074479 0/4 - 20mA Kit for modulating operation Burner Output regulator Code All models RWF 50.2 3-POINT OUTLET 20073595 All models RWF 55.5 COMPLETE WITH RS-485 INTERFACE 20074441 RWF 55.6 COMPLETE WITH INTERFACE...

  • Page 53: B Appendix - Electrical Panel Layout

    Contents Indication of references Single line output diagram (RLS 310/M MX 230 V - Direct Start Up) Single line output diagram (RLS 310/M MX 400 V - Direct Start Up) Single line output diagram (RLS 410/M MX 230 V - Direct Start Up)
  • Page 54 Appendix - Electrical panel layout 20084880...
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  • Page 63 Appendix - Electrical panel layout & & 20084880...
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  • Page 75 Appendix - Electrical panel layout Wiring layout key Electrical control box Off / automatic / manual selector Output power regulator RWF... internal Power increase / power reduction selector Input in current DC 0...20 mA, 4...20 mA Servomotor Input in current DC 0...20 mA, 4...20 mA to modify re- Optional light oil/gas selector mote setpoint VSOIL...
  • Page 76 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...

This manual is also suitable for:

Rls 410/m mxRls 510/m mxRls 610/m mx200876472008764820087651 ... Show all

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