Riello RS 310/E BLU Installation, Use And Maintenance Instructions
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Riello RS 310/E BLU Installation, Use And Maintenance Instructions

Riello RS 310/E BLU Installation, Use And Maintenance Instructions

Forced draught gas burner
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Installation, use and maintenance instructions
Forced draught gas burner
GB
Modulating operation
CODE
MODEL
20175621
RS 310/E BLU
20176492 (1) - 01/2020

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Summary of Contents for Riello RS 310/E BLU

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Modulating operation CODE MODEL 20175621 RS 310/E BLU 20176492 (1) - 01/2020...
  • 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 Burner start-up ................................27 Air / fuel adjustment ..............................28 6.4.1 Air adjustment for maximum output ...........................28 6.4.2 Air/fuel adjustment and output modulation system ....................28 6.4.3 Burner adjustment..............................28 6.4.4 Output upon ignition ..............................28 6.4.5 Maximum output ................................28 6.4.6 Minimum output .................................28 Final adjustment of the pressure switches .........................29 6.5.1 Air pressure switch..............................29...

  • Page 5: Declarations

    Declarations Declarations Declaration of Conformity in accordance with ISO / IEC 17050-1 These products are in compliance with the following Technical Standards: • EN 12100 • EN 676 According to the European Directives: 2006/42/EC Machine Directive 2014/35/EU Low Voltage Directive EMC 2014/30/EU Electromagnetic Compatibility The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015.

  • Page 6: Information And General Warnings

    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.

  • 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

    Technical description of the burner Technical description of the burner Burner designation Range: Fuel: Natural gas Gas oil Gas 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 C01 - ...

  • Page 10: Models Available

    Technical description of the burner Models available Version FS2 Designation Voltage Start-up Code RS 310/E BLU FS1/FS2 3/400/50 Direct 20175621 Tab. A Burner categories - Countries of destination Gas category Destination country SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO 2ELL (43,46 ÷...

  • 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 RS 310/E BLU Tab. E 20069483 Fig. 1 Maximum dimensions The maximum dimensions of the burner are given in Fig. 2.

  • Page 12: Firing Rates

    The MINIMUM OUTPUT must not be lower than the minimum atmospheric pressure of 1013 mbar (approx. 0 m limit of the diagram: WARNING a.s.l.), and with the combustion head adjusted as Model shown on pag. 20. RS 310/E BLU Tab. G 20135323 1200 1600 2000 2400...

  • 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 20069486 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 To open the burner see section “Access to head Ignition electrode...

  • Page 15: Electrical Panel Description

    Technical description of the burner 4.12 Electrical panel description 20177040 Fig. 6 Earth terminal Supply cables and external connections passage Main terminal supply board Auxiliary circuits fuse (includes a spare fuse) Air pressure switch Ignition transformer Free contact relay Direct start up line contactor Electronic cam 10 Thermal relay (with reset button) 11 ON/OFF selector...

  • Page 16: Control Box For The Air/Fuel Ratio (Bt330)

    Important notes To avoid accidents, material and/or environmental damage, observe the following instructions! 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 damage resulting from...

  • Page 17: Burner Operating Sequence

    Technical description of the burner 4.14 Burner operating sequence S9788 CPI/POC X20+X21 Fig. 8 Key to layout (Fig. 8) Key to layout (Fig. 8) Any condition CPI/POC Close position indicator/Prove of closure Waiting time for safety circuits consent Gas valve 1 (boiler fuel) Gas valve 2 Pilot valve...

  • Page 18: Servomotor (662R5

    Technical description of the burner 4.15 Servomotor (662R5...) Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the actua- tors. WARNING  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 19: 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 20: Operating Position

    5) must be inserted between the boiler fettling 2) and the blast tube 4). RS 310/E BLU The refractory can have a conical shape (minimum 60°). This protective fettling must not compromise the extraction of the Tab.

  • Page 21: Access To Head Internal Part

    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;...

  • Page 22: Gas Butterfly Valve

    Installation Gas butterfly valve If necessary, replace the gas butterfly valve. The correct position is shown in Fig. 17. Fig. 17 20078516 5.10 Combustion head adjustment Rotate the screw 1)(Fig. 18) 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 23 Installation 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. Do not change these settings! WARNING Only for specific cases, to change the central gas setting, do as follows: ...

  • Page 24: Gas Pressures

    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.

  • Page 25: 5.11.2 Gas Train

    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 5.11.3 Gas train installation by checking for any fuel leaks.

  • Page 26: Gas Pressure

    Installation 5.11.4 Gas pressure 1 p (mbar) 2 p (mbar) Tab. K 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 The values shown in Tab.

  • Page 27: Electrical Wiring

    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.

  • Page 28: Supply Cables And External Connections Passage

    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. 27. Key (Fig.

  • Page 29: 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 30: Air / Fuel Adjustment

    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.

  • Page 31: Final Adjustment Of The Pressure Switches

    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.

  • Page 32: Minimum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.5.3 Minimum gas pressure switch Adjust the minimum gas pressure switch (Fig. 31) after perform- ing all the other burner adjustments with the pressure switch set to the start of the scale. With the burner operating at maximum output, increase adjust- ment pressure by slowly turning the relative knob clockwise until the burner stops.

  • Page 33: Final Checks (With Burner Operating)

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

  • Page 34: 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 35: Safety Components

    Maintenance Gas filter 7.2.4 Safety components Change the gas filter when it is dirty. The safety components should be replaced at the end of their life cycle indicated in the Tab. N. Combustion The specified life cycles do not refer to the warranty terms indi- If the combustion values measured before starting maintenance cated in the delivery or payment conditions.

  • Page 36: Measuring The Ionisation Current

    Maintenance 7.2.5 Measuring the ionisation current Checking The burner is fitted with an ionisation system to check that a gas pressure flame is present. The minimum current for control box operation is 4 µA. The oper- ator panel displays. The burner provides a much higher current, so controls are not 20076586 normally required.

  • Page 37: Opening The Burner

    Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the main system switch. DANGER Turn off the fuel interception tap. DANGER Wait for the components in contact with heat sources to cool down completely. To open the burner, use the same procedure set out in “Access to head internal part”...

  • Page 38: 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 of a burner lockout, more than two "safety stop", which is signalled by the red burner lockout LED. consecutive burner reset operations could cause The display of the operator panel visualises alternately the lock- damage to the installation.
  • Page 39 Faults - Possible causes - Solutions EN67 Fault code P301=0 P301=2 Description P328>0 P328>0 Direction: P 2 = Actuator does not move, i.e. no position feedback. Channel backward, forward If this indication is shown, the monitoring of fault 271 is damaged. Actuator cannot find reference position Channel Direction:...
  • Page 40 Faults - Possible causes - Solutions EN67 Fault code P301=0 P301=2 Description P328>0 P328>0 1 *1) 1 *1) Invalid drop of the boiler safety interlock chain 1 *1) 1 *1) Invalid drop of the gas safety interlock chain Optional 3 *1) Invalid drop of the oil safety interlock chain Optional Gas pressure too low...
  • Page 41 Faults - Possible causes - Solutions EN67 Fault code P301=0 P301=2 Description P328>0 P328>0 Channel + set point position + Implausible channel set point of the main controller actual val- ue + pro- gramming tolerance Time out of LSB message (message no. = parameter) Possible cause of error: –...

  • Page 42: Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Kit for modulating operation Burner Probe Adjustment field Code RS 310/E BLU PT 100 temperature - 100...+ 500°C 3010110 RS 310/E BLU 4 - 20 mA pressure 0...2.5 bar 3010213 RS 310/E BLU 4 - 20 mA pressure 0...16 bar...

  • Page 43: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Layout of unifilar output Layout of unifilar output BT 330 operational layout BT 330 operational layout BT 330 operational layout BT 330 operational layout LCM100 operational layout Electrical wirings that are the responsibility of the installer Electrical wirings that are the responsibility of the installer...
  • Page 44 Appendix - Electrical panel layout 20176492...
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  • Page 51 Appendix - Electrical panel layout 20176492...
  • Page 52 Appendix - Electrical panel layout 29-4 51/) 29-4 51/) 20176492...
  • Page 53 Appendix - Electrical panel layout Wiring layout key Electronic cam LCM 100 module Display and calibration unit O2 - CO control module Probe with output under current Output load level Pressure probe, 4÷20 mA 3 wires Flue gas temperature probe Output potentiometer BTEXT Climatic temperature probe, 3 wires...
  • Page 56 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...

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20175621

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