Riello RL 70/M Installation, Use And Maintenance Instructions
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Riello RL 70/M Installation, Use And Maintenance Instructions

Light oil burners
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Installation, use and maintenance instructions
Light oil burners
GB
Progressive two-stage or modulating operation
CODE
20166463
20166476
20166481
20166484
20166486
20166487
MODEL
RL 70/M
RL 70/M
RL 100/M
RL 100/M
RL 130/M
RL 130/M
TYPE
669 T1
669 T1
670 T1
670 T1
671 T1
671 T1
20166443 (1) - 07/2019

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Summary of Contents for Riello RL 70/M

  • Page 1 Installation, use and maintenance instructions Light oil burners Progressive two-stage or modulating operation CODE MODEL TYPE 20166463 RL 70/M 669 T1 20166476 RL 70/M 669 T1 20166481 RL 100/M 670 T1 20166484 RL 100/M 670 T1 20166486 RL 130/M 671 T1...
  • Page 2 Translation of the original instructions...

  • Page 3: Table Of Contents

    Contents Declarations....................................2 Information and general warnings............................3 Information about the instruction manual ..............................3 Guarantee and responsibility ..................................4 Safety and prevention................................5 Introduction ........................................5 Personnel training ......................................5 Technical description of the burner ............................6 Burner designation ......................................6 Models available ......................................6 Technical description of the burner ............................

  • Page 4: Declarations

    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. BImSchV release 26.01.2010”. Product...

  • Page 5: 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 6: 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 7: 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 safety electrical power supply, the minimum and maximum deliveries for technical rules and envisaging all the potential danger situations.

  • Page 8: Technical Description Of The Burner

    Voltage of auxiliaries: 230/50/60 230V / 50-60Hz 110/50/60 110V / 50-60Hz 3/230/50 230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RL 70/M 3/230-400/50 Direct 20166463 RL 70/M 3/230-400/50 Direct 20166476 RL 100/M 3/230-400/50 Direct 20166481 RL 100/M 3/230-400/50...

  • Page 9: Technical Description Of The Burner

    Technical description of the burner Technical description of the burner Technical data MODEL RL 70/M RL 100/M RL 130/M Type 669 T1 670 T1 671 T1 Output (1) MAX. 474 - 1043 711 - 1482 948 - 1779 Mcal/h 408 - 897...

  • Page 10: Maximum Dimensions

    Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part withdrawn on the slide bars. Fig. 1 D1217 RL 70/M 272 - 385 951 - 1086 RL 100/M 272 - 385...

  • Page 11: Firing Rates

    Technical description of the burner Firing rates During operation, burner output varies between: D1218  MINIMUM OUTPUT: area A;  MAXIMUM OUTPUT: area B (and C for model RL 130/M). Graphs (Fig. 2): Horizontal axis : Burner output Vertical axis : Combustion chamber pressure The work point may be found by plotting a vertical line from the desired delivery and a horizontal line from the pressure in the...

  • Page 12: Burner Description

    Technical description of the burner Burner description Ignition electrodes Combustion head Screw for combustion head adjustment Screw for fixing fan to flange Oil pressure switch Pressure gauge for pressure on nozzle return Pump Nozzle holder Air gate valve 10 Fan pressure test point 11 Boiler mounting flange 12 Flame stability disk 13 Servomotor, provides adjustment of fuel delivery regulator...

  • Page 13: Electrical Panel Description

    Technical description of the burner Electrical panel description 20169284 Fig. 5 Ignition transformer A switch for: automatic-manual-OFF operation A button for: increase - decrease output Motor contactor and thermal relay with reset button Terminal board for electrical connection Cable-grommets for external connections to be carried out by the installer Control box base Flame sensor...

  • Page 14: Control Box Rfgo-A22

    Technical description of the burner Control box RFGO-A22 Important notes To avoid accidents, material or environmental damage, observe the following instructions! The control box is a safety device! Avoid opening WARNING or modifying it, or forcing its operation. The Manufacturer cannot assume any responsibility for damage resulting from unauthorised work! ...

  • Page 15: Servomotor (Sqn31

    Technical description of the burner 5.10 Servomotor (SQN31...) Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying forcing WARNING actuators.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 16: Installation

    CAUTION The packaging elements (wooden cage or cardboard box, nails, clips, plastic bags, etc.) RIELLO S.p.A. I 37045 Legnago (VR) must not be abandoned as they are potential sources of danger and pollution; they should be S9762 Fig.

  • Page 17: Operating Position

    DANGER Boiler plate Drill the combustion chamber locking plate as shown in (Fig. 10). The position of the threaded holes can be marked using the ther- mal screen supplied with the burner. RL 70/M 275-325 M 12 RL 100/M 275-325...

  • Page 18: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler Once this operation has been carried out (if it was required), se- Provide an adequate lifting system. cure flange 7)(Fig. 11) to the boiler plate interposing the supplied gasket 8). Use the 4 screws provided after having protected the thread with antiscruffing products.

  • Page 19: Nozzle Installation

    267 standard. In order to guarantee that emissions do not vary, See diagram (Fig. 28 on page 24). recommended and/or alternative nozzles specified by Riello in In case an intermediate delivery between the two values indicat- the Instruction and warning booklet should be used.

  • Page 20: 6.11 Combustion Head Setting

    5)(Fig. 17). Example: RL 70/M, maximum light oil delivery = 50 kg/h Diagram (Fig. 18) indicates that for a delivery of 50 kg/h the RL 70/M Model requires the combustion head to be set to approx.

  • Page 21: Light Oil Supply

    L (m) decreases. RL 70/M RL 100/M - 130/M It is good practice to ensure that the return and suction lines enter Ø (mm) Ø...
  • Page 22 Installation 6.12.1 Hydraulic connections  Make sure that the hoses to the pump supply and return line are installed correctly. CAUTION The pumps are equipped with a by-pass that connects return line D1224 with suction line. The pumps are installed on the burner with the by-pass closed by screw 6)(Fig.

  • Page 23: 6.13 Pump

    Installation 6.13 Pump 6.13.1 Technical data Pompa J7 C Min. delivery rate at 20 bar pressure kg/h Delivery pressure range 10 - 21 Max. suction depression 0,45 Viscosity range 2,8 - 200 Light oil max. temperature °C Max. suction and return pressure Pressure calibration in the factory Filter mesh width 0,170...

  • Page 24: Electrical Connections

    Installation 6.14 Electrical connections 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

    8)(Fig. 23 and Fig. 24) must be threaded through cable grommets. The use of the cable grommets and the pre-blanked holes can be done in different manners; for example: Key (Fig. 23 and Fig. 24) RL 70/M (Fig. 23) Pg 13,5 Three-phase power supply Pg 11 Single-phase power supply 20169279 Pg 13.5...

  • 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, by qualified personnel, as indicated in this manual command and safety devices.
  • Page 27 Start-up, calibration and operation of the burner 7.3.1 Pressure regulator The nozzle return pressure value is indicated by the pressure D1227 gauge 1)(Fig. 29). The output and the pressure of the nozzle are at maximum when the servomotor is positioned on 130°. The fine adjustment of the pressure in the return line may be car- ried out by changing the setting of the eccentric 6)(Fig.
  • Page 28 Start-up, calibration and operation of the burner 2 - Min output Max output of the burner must be set within the firing rate range shown on page 9. Press button 2)(Fig. 27 on page 24) “output reduction“ and keep it pressed until the servomotor has reached 20° (factory setting). Adjusting the nozzle flow rate The nozzle flow rate is given in diagram (Fig.

  • Page 29: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner Pressure switch adjustment 7.4.1 Oil pressure switch The oil pressure switch 5)(Fig. 4 on page 10) is factory set to 3 bar. If the gas oil pressure reaches this value in the return piping, the pressure switch stops the burner.

  • Page 30: Operation Sequence Of The Burner

    Start-up, calibration and operation of the burner Operation sequence of the burner 7.5.1 Burner starting 0 s : Control device TL closes, the motor starts. The pump 3) sucks the fuel from the tank through the piping 1) and the filter 2) and pumps it under pres- sure to delivery.

  • Page 31: 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 32 Maintenance Filters (Fig. 35) Check the following filter boxes: • on line 1) • in pump 2) • at nozzle 3), and clean or replace as required. If rust or other impurities are observed inside the pump, use a separate pump to suck out any water and other impurities that may have deposited on the bottom of the tank.

  • Page 33: Opening The Burner

    Maintenance 8.2.3 Safety components Safety Life cycle The safety components should be replaced at the end of their life component cycle indicated in the following table. 10 years or 250,000 The specified life cycles do not refer to the warranty terms Flame control operation cycles indicated in the delivery or payment conditions.

  • Page 34: Led Indicator And Special Function

    LED indicator and special function LED indicator and special function Description of LED lamps It turns on when the fan motor is powered (T6) and blinks when RUN/CHECK switch is set to “CHECK” during damper movement phases, PTFI AND MTFI. S9740 It blinks when the air damper is moving towards the maximum opening position until the Damper...

  • Page 35: Led Lamps: Burner Operating Status

    LED indicator and special function LED lamps: burner operating status OPERATING STATUSES INDICATED BY LEDS DURING NORMAL OPERATION AND CHECK MODE Operation Damper Damper Modulation Ignition Flame Status LED ● = ON open closed Icon S9740 S9741 S9742 S9743 S9744 S9745 S9746 Power OFF/ON...

  • Page 36: Problems - Causes - Remedies Signalled By Led Indicators

    Problems - Causes - Remedies signalled by LED indicators Problems - Causes - Remedies signalled by LED indicators When an emergency stop occurs, the control device LEDs Thermal unit’s operation, maintenance and indicate the cause of the stop. troubleshooting interventions must be carried out The terminal T3 is not powered.
  • Page 37 Problems - Causes - Remedies signalled by LED indicators Error / RFGO LED lock-out codes Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 Operation Open Closed Auto Ignition Flame Status LED ● = ON damper damper Icon...
  • Page 38 Problems - Causes - Remedies signalled by LED indicators Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 Off-specification mains voltage ● ● ● ● ● UV: Internal fault ● ● Supervisor processor fault ●...
  • Page 39 Problems - Causes - Remedies signalled by LED indicators Faults Cause Solution UV: no flame at the end of the Inspect the system, check the gas pressure, No flame at the end of the 2 safety time check the UV scanner, check the wiring, safety time (MTFI) etc.
  • Page 40 Problems - Causes - Remedies signalled by LED indicators Faults Cause Solution Internal processor fault Internal fault Replace the control device UV: false flame during operation False flame detected before ignition Check the scanner FR: false flame during operation False flame detected before ignition Check the wiring Check the scanner Make sure that earthing is appropriate...
  • Page 41 Appendix - Accessories Appendix - Accessories Extended head Kit (for short head versions only) L (mm) L (mm) Burner Code Standard head Head obtainable with the kit RL 70/M 3010159 RL 100/M 3010160 RL 130/M 3010161 Soundproofing box kit Burner Type...
  • Page 42 Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references RFGO-A23 operational layout RFGO-A23 operational layout Electrical connection set by the installer RWF operational layout Indication of references / 1 . A 1 Sheet no. Coordinates 20166443...
  • Page 43 Appendix - Electrical panel layout 20166443...
  • Page 44 Appendix - Electrical panel layout 20166443...
  • Page 45 Appendix - Electrical panel layout 20166443...
  • Page 46 Appendix - Electrical panel layout 20166443...
  • Page 47 Appendix - Electrical panel layout 20166443...
  • Page 48 Appendix - Electrical panel layout 20166443...
  • Page 49 Appendix - Electrical panel layout 20166443...
  • Page 50 Appendix - Electrical panel layout 20166443...
  • Page 51 Appendix - Electrical panel layout WIRING DIAGRAM KEY Control box Protection fuses for three line Thermal relay for fan motor Remote lockout signal RWF power modulator Probe with current output Device with current output for editing remote setpoint Pressure probe Pressure probe Remote setpoint voltage divider Thermocouple probe...
  • Page 52 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:

Rl 100/mRl 130/m20166463201664762016648120166484 ... Show all

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