Riello RLS 310/EV O2 MX Modulating Operation
  1. Manuals
  2. Brands
  3. Riello Manuals
  4. Burner
  5. RLS 310/EV O2 MX
  6. Modulating operation
Riello RLS 310/EV O2 MX Modulating Operation

Riello RLS 310/EV O2 MX Modulating Operation

Dual fuel light oil/ gas burners
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Installation, use and maintenance instructions
Dual fuel light oil/ gas burners
GB
Modulating operation
CODE
20182022
20182023
20182024
20182026
MODEL
RLS 310/EV O2 MX
RLS 410/EV O2 MX
RLS 510/EV O2 MX
RLS 610/EV O2 MX
TYPE
1161T2
1162T2
1163T2
1164T2
20182250 (2) - 09/2021

Advertisement

Table of Contents
loading

Related Manuals for Riello RLS 310/EV O2 MX

Summary of Contents for Riello RLS 310/EV O2 MX

  • Page 1 Installation, use and maintenance instructions Dual fuel light oil/ gas burners Modulating operation CODE MODEL TYPE 20182022 RLS 310/EV O2 MX 1161T2 20182023 RLS 410/EV O2 MX 1162T2 20182024 RLS 510/EV O2 MX 1163T2 20182026 RLS 610/EV O2 MX 1164T2...
  • 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 Guarantee and responsibility............................5 Safety and prevention................................6 Introduction.................................. 6 Personnel training ............................... 6 Technical description of the burner ............................7 Burner designation ..............................7 Models available................................
  • Page 4 Contents Air / fuel adjustment ..............................36 Final adjustment of the pressure switches .........................37 6.10 Pressure switch adjustment ............................38 6.11 Operation ...................................39 6.12 Ignition failure................................40 6.13 Burner flame goes out during operation........................40 6.14 Stopping of the burner ...............................40 6.15 Final checks ................................40 6.16 Pump motor lock-out ..............................40 6.17...

  • Page 5: Declarations

    Legnago, 03.05.2021 Research & Development Director RIELLO S.p.A. - Burner Department Mr. F. Maltempi 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...

  • 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: Guarantee And Responsibility

    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

    *The burner leaves the factory set up for FS1 op- eration. If FS2 operation is required, refer the spe- cific manual to LMV 5... WARNING Models available Designation Voltage Start-up Code RLS 310/EV O2 MX 3/400/50 Inverter 20182022 RLS 410/EV O2 MX 3/400/50 Inverter 20182023 RLS 510/EV O2 MX...

  • Page 10: Burner Categories - Countries Of Destination

    I2Er AT-GB-CH-CZ-DK-EE-ES-FI-GB-GR-HU-IE-IS-IT-LT-LV-NO-PT-RO-SE- SI-SK-TR Tab. B Technical data Model RLS 310/EV O2 MX RLS 410/EV O2 MX RLS 510/EV O2 MX RLS 610/EV O2 MX Power 600/1200 ÷ 3600 640/1500 ÷ 4200 660/1800 ÷ 5170 1000/2200 ÷ 6155 min - max...

  • Page 11: Burner Weight

    Technical description of the burner Burner weight The weight of the burner complete with its packaging is shown in Tab. E. Model RLS 310/EV O2 MX RLS 410/EV O2 MX RLS 510/EV O2 MX 20086678 RLS 610/EV O2 MX Tab. E Fig.

  • Page 12: Firing Rates

    Technical description of the burner Firing rates The MAXIMUM OUTPUT is chosen from within the diagram area The firing rate value (Fig. 3) has been obtained (Fig. 3). considering an ambient temperature of 20 °C, an The MINIMUM OUTPUT must not be lower than the minimum atmospheric pressure of 1013 mbar (approx.

  • Page 13: Test Boiler

    Technical description of the burner Test boiler The burner/boiler combination does not pose any problems if the The firing rates were set in relation to special test boilers, accord- boiler is EC approved and its combustion chamber dimensions ing to EN 676 regulations. are similar to those indicated in the diagram (Fig.

  • Page 14: Burner Description

    Technical description of the burner 4.11 Burner description ASSEMBLY VIEW 20177891 Fig. 5 Lifting rings 32 Pump motor 33 Minimum oil pressure switch Fan motor 34 Maximum oil pressure switch Air damper servomotor 35 Nozzle return pressure gauge Combustion head gas pressure test point 36 Nozzle delivery pressure gauge Combustion head Ignition electrodes...

  • Page 15: Electrical Panel Description

    Technical description of the burner 4.12 Electrical panel description 20178766 Fig. 6 Electronic cam 25 Fuel servomotor ON/OFF selector 26 Sheath for maximum gas pressure switch Emergency button 27 Air servomotor Earth terminal 28 Safety valve sheath (VS1) Supply cables and external connections passage. 29 Return line valve sheath (VR) See section “Electrical wiring”...

  • Page 16: Control Box For The Air/Fuel Ratio (Lmv52

    Technical description of the burner 4.13 Control box for the air/fuel ratio (LMV52...) Warnings To avoid accidents, material or environmental damage, observe the following instructions! The LMV52 control box... is a safety device! Avoid WARNING opening or modifying it, or forcing its operation. Ri- ello S.p.A.
  • Page 17 Technical description of the burner Electrical connection of flame sensor It is important for signal transmission to be almost totally free – Line capacitance reduces the magnitude of the flame signal. of any disturbances or loss: – Use a separate cable. •...

  • Page 18: 4.14 Servomotor

    Technical description of the burner 4.14 Servomotor Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the ac- tuators.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 19: Pll52

    Technical description of the burner 4.15 PLL52... module (optional) Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the de- vice.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 20: Oxygen Sensor Qgo20

    Technical description of the burner 4.16 Oxygen sensor QGO20 ... (optional) Warnings To avoid accidents, material or environmen- S9895 tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the oxy- gen sensor.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel.
  • Page 21 Technical description of the burner 4.16.1 Technical data QGO20 Operating voltage of measuring cell’s: – QGO20.000D27 AC 230 V ±15 % – QGO20.000D17 AC 120 V °15 % (only with LMV52 ... with PLL52...) Mains frequency: 50...60 Hz ±6 % Power consumption: Max.

  • Page 22: 4.17 Calibration Of The Thermal Relay

    Technical description of the burner 4.17 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 calibration 2), see the table in the wiring diagram. To reset, in case of an intervention of the thermal relay, press the “RESET”...

  • Page 23: 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 24: Operating Position

    Installation Operating position  The burner is designed to operate only in positions 1, 2, 3 and 4 (Fig. 13).  Installation 1 is preferable, as it is the only one that allows the maintenance operations WARNING as described in this manual. ...

  • Page 25: 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. 16) in its housing. To open the burner towards the right, proceed as follows: A remove the screws 2); B open the burner to a maximum of 100-150 mm by rotating around the hinge and release the cables of the electrodes 5);...

  • Page 26: Gas Butterfly Valve

    Installation Gas butterfly valve If necessary, replace the gas butterfly valve. The correct position is shown in Fig. 19. 5.10 Combustion head adjustment Rotate the screw 1)(Fig. 20) until the notch you have found cor- responds with the front surface of the screw itself. The combustion head is opened by turning the screw 1) anti- clockwise.

  • Page 27: 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 28: 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 29 Installation 5.12.4 Priming pump 5.12.5 Pressure variator The pressure variator (Fig. 24), allows the pressure on the return Before starting the burner, make sure that the tank line of the nozzle to be varied according to the required output. return line is not clogged. The pressure on the return line is adjusted by varying a section Obstructions in the line could cause the sealing WARNING...
  • Page 30 Installation 5.12.6 Hydraulic circuit diagram 20086806 Fig. 25 Key (Fig. 25) Pump suction The a.m. operation is possible because the pump Pump return line and nozzle return line is already full of fuel when it leaves the factory. If Pump by-pass screw the pump has been drained, fill it with fuel through Pump pressure regulator the opening on the vacuometer 4)(Fig.

  • Page 31: Gas Pressures

    Installation 5.13 Gas pressures 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 32 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. 5.13.3 Gas train installation Make sure that the gas train is properly installed by checking for any fuel leaks.
  • Page 33 34.9 52.1 – Read the corresponding output on the left. 3900 40.9 61.0 Example (RLS 310/EV O2 MX) with natural gas G20: 4200 47.3 70.6 Maximum output operation 1800 10.4 Gas pressure at test point P1) (Fig. 30 on page 30) = 24.3 mbar 2174 14.6...

  • Page 34: 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 35 Installation 5.14.1 Supply cables and external connections passage All the cables to be connected to the burner must be threaded through cable grommets. The use of the cable grommets can take various forms; by way of example see Fig. 31. 20178777 Key (Fig.

  • Page 36: 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 37: Adjustments Prior To Ignition (Gas)

    Start-up, calibration and operation of the burner Adjustments prior to ignition (gas) Combustion head adjustment has already been already de- Before starting up the burner, it is good practice to scribed in the section “Combustion head adjustment” on page 24. adjust the gas train so that ignition takes place in In addition, the following adjustments must also be made: conditions of maximum safety, i.e.

  • Page 38: Air / Fuel Adjustment

    Start-up, calibration and operation of the burner Air / fuel adjustment 6.8.4 Output upon ignition Air/fuel synchronisation is carried out with the relevant air, gas and light oil servomotors by logging a calibration curve using the Ignition must occur at a lower output than the max. operation out- electronic cam.

  • Page 39: Final Adjustment Of The Pressure Switches

    Start-up, calibration and operation of the burner Final adjustment of the pressure switches 6.9.1 Air pressure switch on the graduated scale corresponds with the arrow pointing downwards, and so recovering the hysteresis of the pressure Adjust the air pressure switch (Fig. 34) after performing all other switch (shown by the white mark on a blue background, between burner adjustments with the air pressure switch set to the start of the two arrows).

  • Page 40: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner 6.10 Pressure switch adjustment 6.10.1 Maximum gas pressure switch Adjust the maximum gas pressure switch (Fig. 35) after making all other burner adjustments with the maximum gas pressure switch set to the end of the scale. To calibrate the maximum gas pressure switch, open the tap and then connect a pressure gauge to its pressure test point.

  • Page 41: Operation

    Start-up, calibration and operation of the burner 6.10.4 Minimum oil pressure switch The minimum oil pressure switch (Fig. 38) is calibrated in the fac- tory at 18 bar. If during the start-up phase the oil pressure drop or does not reach 18 bar, the burner goes to the ignition phase and the dis- charge of the transformer remains for 30s without opening the oil valve, after which there is a lockout and the display shows “Loc c...

  • Page 42: Ignition Failure

    Start-up, calibration and operation of the burner 6.12 Ignition failure If the burner does not switch on, there is a lockout within 3s of the In the event there are further lockouts or faults electrical supply reaching the fuel valve. with the burner, the maintenance interventions It may be that the fuel does not arrive at the combustion head must only be carried out by qualified, authorised...

  • Page 43: Description Of O2 Trim Control (Optional)

    Start-up, calibration and operation of the burner 6.17 Description of O trim control (optional) A special feature of the LMV52… is control of the residual O content to increase the boiler’s efficiency. The LMV52… uses a QGO20…, an external PLL52…, and the standard components of the LMV51…...

  • Page 44: 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 45 Maintenance Voltage on the sensor flame 7.2.5 Safety components Minimum value for correct operation: 3.5V DC (value on AZL dis- The safety components should be replaced at the end of their life play at about 50%). cycle indicated in the Tab. Q. If the value is lower, it could be due to: The specified life cycles do not refer to the warranty terms indi- –...
  • Page 46 Maintenance Filters (Fig. 42) GAS OPERATION Check the filtering baskets on line 1) and at nozzle 2) present in the system. Gas leaks Clean or replace if necessary. Make sure that there are no gas leaks on the pipe between the If rust or other impurities are observed inside the pump, use a gas meter and the burner.

  • Page 47: Opening The Burner

    Maintenance Opening the burner Disconnect the electrical supply from the burner Wait for the components in contact with heat by means of the main system switch. sources to cool down completely. DANGER See section “Access to head internal part” on page 23. ù...

  • Page 48: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions If faults arise in ignition or operations, the burner performs a In the event the burner stops, in order to prevent "safety stop", which is signalled by the red burner lockout LED. any damage to the installation, do not unblock the The display of the operator panel visualises alternately the lock- burner more than twice in a row.

  • Page 49: A Appendix - Accessories

    Code All models 3010376 Inverter kit (VSD) Burner Mains voltage Motor output Inverter output Code (kW) (kW) RLS 310/EV O2 MX 400V 20163074 RLS 410/EV O2 MX 400V 20163093 RLS 510/EV O2 MX 400V 20163096 RLS 610/EV O2 MX 400V...

  • Page 50: Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Single line output diagram Single line output diagram Functional layout LMV 52 ... Functional layout LMV 52 ... Functional layout LMV 52 ... Functional layout LMV 52 ... Functional layout LMV 52 ...
  • Page 51 Appendix - Electrical panel layout 20182250...
  • Page 52 Appendix - Electrical panel layout 20182250...
  • Page 53 Appendix - Electrical panel layout 20182250...
  • Page 54 Appendix - Electrical panel layout 20182250...
  • Page 55 Appendix - Electrical panel layout 20182250...
  • Page 56 Appendix - Electrical panel layout 20182250...
  • Page 57 Appendix - Electrical panel layout 20182250...
  • Page 58 Appendix - Electrical panel layout 20182250...
  • Page 59 Appendix - Electrical panel layout 20182250...
  • Page 60 Appendix - Electrical panel layout 20182250...
  • Page 61 Appendix - Electrical panel layout 20182250...
  • Page 62 Appendix - Electrical panel layout 20182250...
  • Page 63 Appendix - Electrical panel layout 20182250...
  • Page 64 Appendix - Electrical panel layout 20182250...
  • Page 65 Appendix - Electrical panel layout Wiring layout key Electronic cam Gas adjustment valve + gas safety valve Module O2 - type PLL Display and operating unit Output power regulator RWF... internal Burner components Boiler components Output probe in current DC 4..20 mA Output device in current DC 4..20 mA to modify remote setpoint Load indicator...
  • Page 68 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/ev o2 mxRls 510/ev o2 mxRls 610/ev o2 mx201820222018202320182024 ... Show all

Table of Contents