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 Notes on safety for the first start-up ...........................30 Adjustments prior to ignition............................30 Burner start-up ................................31 Air / fuel adjustment ..............................32 6.4.1 Air adjustment for maximum output ...........................32 6.4.2 Air/fuel adjustment and output modulation system ....................32 6.4.3 Burner adjustment..............................32 6.4.4 Output upon ignition ..............................32 6.4.5 Maximum output ................................32...
The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015. 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".
Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction DANGER: EXPLOSION The instruction manual supplied with the burner: This symbol signals places where an explosive at- is an integral and essential part of the product and must not mosphere may be present.
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;...
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.
Technical description of the burner Burner weight The weight of the burner complete with its packaging is shown in Tab. E. Model RS 310/EV O2 BLU RS 410/EV O2 BLU RS 510/EV O2 BLU RS 610/EV O2 BLU Tab. E Fig.
1013 mbar (approx. 0 m limit of the diagram: a.s.l.), and with the combustion head adjusted as WARNING shown on page 24. Model RS 310/EV O2 BLU RS 410/EV O2 BLU RS 510/EV O2 BLU RS 610/EV O2 BLU 1000 Tab. G...
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.
Technical description of the burner 4.11 Burner description ASSEMBLY VIEW 20099837 Fig. 5 Lifting rings The burner can be opened to the right or to the left Fan motor without links to the fuel supply side. Air damper servomotor Combustion head gas pressure test point Combustion head Ignition electrode To open the burner see section “Access to head...
Technical description of the burner 4.12 Electrical panel description 20166943 9 18 Fig. 6 Electrical control box ON/OFF selector Safety button Earth terminal Supply cables and external connections passage. See sec- tion “Electrical wiring” on page 28 Light signalling “POWER ON” Main terminal supply board Relay with clean contacts for signalling the burner is in lock- Relay with clean contacts for signalling the burner is operat-...
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. •...
Technical description of the burner 4.14 Actuator Warning notes To avoid injury to persons, damage to prop- erty or the environment, the following warn- ing notes should be observed! WARNING Do not open, interfere with or modify the ac- tuators! ...
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. ...
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.
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.
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.
For boilers with front flue passes 1)(Fig. 14) or flame inversion chamber, a protection in refractory material 5) must be inserted between the boiler fettling 2) and the blast tube 4). RS 310/EV O2 BLU The refractory can have a conical shape (minimum 60°). RS 410/EV O2 BLU...
Installation Access to head internal part The burner leaves the factory set for opening to the left, therefore maintaining the pin 1)(Fig. 15) in the housing. To open the burner towards the left, proceed as follows: A disconnect the plug/socket 9)(Fig. 15) of the maximum gas pressure switch;...
Fig. 16, according to the dimensions indicat- WARNING Probe RS 410-510-610/EV O2 BLU Electrode Place in line with the hole RS 310/EV O2 BLU Fig. 16 20071251 Gas butterfly valve If necessary, replace the gas butterfly valve. The correct position is shown in Fig. 17.
No. Notches (air = gas) 20073539 20081480 Fig. 19 Only for the RS 310/EV O2 BLU model: The RS 310 BLU burner is equipped with central air/gas adjust- ment. The factory setting is the following: AIR = notch 9 GAS = notch 0.
Installation 5.11 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.
Installation 5.11.2 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.
Installation 5.11.4 Gas pressure 1 p (mbar) 2 p (mbar) Tab. N 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 23.1 34.5 1440 23.6 35.2...
Installation 5.12 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.
Installation 5.12.1 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. 26. Key (Fig.
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.
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. Turn the switch of Fig. 28 to position “AUTO”. Make sure that the lamps or testers connected to the solenoids, or indicator lights on the solenoids themselves, show that no voltage is present.
Start-up, calibration and operation of the burner Air / fuel adjustment 6.4.4 Output upon ignition Air/fuel synchronisation is carried out with the relevant air and gas servomotors by logging a calibration curve by using the elec- Ignition must occur at a lower output than the max. operation out- tronic cam.
Start-up, calibration and operation of the burner Final adjustment of the pressure switches 6.5.1 Air pressure switch Adjust the air pressure switch (Fig. 29) after performing all other burner adjustments with the air pressure switch set to the start of the scale.
Start-up, calibration and operation of the burner Pressure switch adjustment 6.6.1 Maximum gas pressure switch Adjust the maximum gas pressure switch (Fig. 30) after perform- ing all other burner adjustments with the maximum gas pressure switch set to the end of the scale. With the burner operating at maximum output, lower the adjust- ment pressure by slowly turning the relative knob anticlockwise until the burner locks out.
Start-up, calibration and operation of the burner Operation Once the start-up cycle is completed, the servomotor command The burner stops when the heat request is less than the heat moves on to the thermostat/pressure switch TR that controls the supplied by the burner at MIN output.
Start-up, calibration and operation of the burner 6.12 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…...
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.
Maintenance Combustion 7.2.5 Measuring the ionisation current The optimum calibration of the burner requires an analysis of the The burner is fitted with an ionisation system to check that a flue gases. flame is present. Significant differences with respect to the previous measure- The minimum current for control box operation is 6 µA.
Maintenance Checking the position of the rpm sensor To calibrate the rpm sensor, proceed as follows: loosen the screws 3)(Fig. 36) rest the sensor on the disc exten- sion 2). Take the scale 4) as a reference, pull back the rpm sensor by about a notch so that the distance from the disc extension 2) is about 2 mm.
Page 43
Appendix - Accessories PVP kit (Seal control function - See gas train booklet) Burner Ramp type Code All models MB - CB 3010344 Gas trains in compliance with EN 676 Please refer to manual. The installer is responsible for the addition of any safety device not foreseen in this manual.
Page 58
Appendix - Electrical panel layout Wiring layout key Electronic cam O2 module PLL.. type Display and calibration unit Output probe in current Device with output undercurrent, for modifying re- mote setpoint Load indicator Input in current DC 4...20 mA Pressure probe Pressure probe Probe Pt100, 3 wires Probe Pt100, 3 wires...
Need help?
Do you have a question about the RS 310/EV O2 BLU and is the answer not in the manual?
Questions and answers