Riello RLS 68/EVi MX FS1 Installation, Use And Maintenance Instructions
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Riello RLS 68/EVi MX FS1 Installation, Use And Maintenance Instructions

Riello RLS 68/EVi MX FS1 Installation, Use And Maintenance Instructions

Dual fuel light oil / gas burners, progressive two-stage or modulating operation
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Installation, use and maintenance instructions
Dual fuel light oil / gas burners
GB
Progressive two-stage or modulating operation
CODE
20070471 - 20070472
20070476 - 20070477
MODEL
RLS 68/EVi MX FS1
RLS 120/EVi MX FS1
TYPE
779T2
780T2
20121213 (2) - 10/2016

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Summary of Contents for Riello RLS 68/EVi MX FS1

  • Page 1 Installation, use and maintenance instructions Dual fuel light oil / gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 20070471 - 20070472 RLS 68/EVi MX FS1 779T2 20070476 - 20070477 RLS 120/EVi MX FS1 780T2 20121213 (2) - 10/2016...
  • 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 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 5.16 Inverter ..................................33 5.16.1 LED status display ..............................34 Start-up, calibration and operation of the burner ........................35 Notes on safety for the first start-up ...........................35 Adjustments prior to ignition (light oil) ........................35 6.2.1 Nozzle ..................................35 6.2.2 Combustion head...............................35 6.2.3 Pump pressure................................35 6.2.4 Fan damper................................35 Operations before start-up (gas) ..........................35...

  • Page 5: Declarations

    Via Pilade Riello, 7 37045 Legnago (VR) Product: Dual fuel light oil / gas burners Model: RLS 68/EVi MX FS1 RLS 120/EVi MX FS1 These products are in compliance with the following Technical Standards: EN 676 EN 267 EN 12100...

  • 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

    230/50/60 110/50/60 110V / 50-60Hz 3/400/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RLS 68/EVi MX FS1 3/400/50 Inverter 20070471 RLS 68/EVi MX FS1 3/400/50 Inverter 20070472 RLS 120/EVi MX FS1 3/400/50 Inverter 20070476 RLS 120/EVi MX FS1...

  • Page 10: Burner Categories - Countries Of Destination

    SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO 2ELL 2E(R)B LU - PL Tab. B Technical data Model RLS 68/EVi MX FS1 RLS 120/EVi MX FS1 Power 195/350 - 871 290/595 - 1224 min - max Delivery...

  • Page 11: Maximum Dimensions

    Technical description of the burner Model RLS 68/EVi MX FS1 RLS 120/EVi MX FS1 Max. Absorbed electric power auxiliary circuit electrical supply – light oil 1300 1300 – Protection level IP 44 Tab. D Maximum dimensions The maximum dimensions of the burner are given in Fig. 1.

  • Page 12: Firing Rates

    Technical description of the burner Firing rates The maximum output should be chosen within area A)(Fig. 2) of The firing rate was obtained with an ambient tem- the diagram. perature of 20°C and a barometric pressure of The minimum output must not be lower than the minimum limit 1013 mbar (approx.

  • Page 13: Commercial Boilers

    Technical description of the burner Commercial boilers The burner is suitable for operating on both flame inversion boil- ers (*), as well as on boilers with a combustion chamber with run- off from the bottom (three flue passes) on which the best results 200 mm MAX for low NO emissions are obtained.

  • Page 14: Burner Description

    Technical description of the burner 4.11 Burner description 42-43 Seen from “A” 20121515 Fig. 5 Combustion head 35 Safety valve Ignition electrodes 36 Working valve Screw for combustion head adjustment 37 Fan motor Maximum gas pressure switch 38 Rpm sensor Pipe coupling 39 Inverter Fuel servomotor...

  • Page 15: Control Box For The Air/Fuel Ratio (Lmv 26

    The control box is a safety device! Avoid opening WARNING WARNING or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for dam- age resulting from unauthorised interventions! Risk of explosion! An incorrect configuration can provoke fuel over-...
  • Page 16 Technical description of the burner Technical data Control box Mains voltage AC 230 V -15% / +10% Mains frequency 50 / 60 Hz ±6% Power absorption < 30 W Safety class I, with components in compliance with II and III, ac- cording to DIN EN 60730-1 Load on Fuse on the control box (can be inspected)

  • Page 17: Operation Sequence Of The Burner (Gas Operation)

    Technical description of the burner 4.12.1 Operation sequence of the burner (gas operation) Operation Checking of Start-up Switching off seal TSA1 Phase number Timer - Resolution - Ratio 0.6s Timer 1 (parameters) Timer 2 (parameters) Timer 3 = max. phase time RAST plug Input signals PIN number...

  • Page 18: Operation Sequence Of The Burner (Light Oil Operation)

    Technical description of the burner 4.12.2 Operation sequence of the burner (light oil operation) Operation Start-up Switching off Phase number Timer - Resolution - Ratio 30 s Timer 1 (parameters) Timer 2 (parameters) Timer 3 = max. phase time RAST plug Input signals PIN number Thermostat/pressure switch...

  • Page 19: List Of The Phases (Gas Operation)

    Technical description of the burner 4.12.3 List of the phases (gas operation) 4.12.4 List of the phases (light oil operation) Phase Description Phase Description Ph00 Lockout phase Ph00 Lockout phase Ph02 Safety phase Ph02 Safety phase Ph10 Closing paused Ph10 Closing paused Ph12 Standby...

  • Page 20: Description Of The Symbols On The Display

    Technical description of the burner 4.13.1 Description of the symbols on the display Ignition transformer Valve powered powered Flame presence Fan motor powered Pre-heater active Lockout only for light oil burners Heat request Lock-out lamp Parameter mode active Info mode active Service mode active V h min s D9000...

  • Page 21: Servomotors

    Technical description of the burner 4.14 Servomotors Introduction The servomotors are commanded by the control box, which con- stantly checks their position by means of a return signal from the optic sensor inside the servomotor. For this reason it is absolutely forbidden to re- move the cover of the servomotors.

  • Page 22: 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 23: Operating Position

    Installation Operating position ➤ The burner is designed to operate only in ➤ Any other position could compromise the cor- positions 1, 2, 3 and 4 (Fig. 13). rect operation of the appliance. ➤ Installation 1 is preferable, as it is the only ➤...

  • Page 24: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler Before fixing the burner to the boiler, check from the opening of the blast tube if the electrodes are positioned correctly as in Fig. 25. If in the previous check the position was not correct, remove the screw 1) (Fig.

  • Page 25: Nozzle

    267 standard. In order to guarantee that emissions do not vary, ➤ Remove the screw 1)(Fig. 18) and the internal part 2); recommended and/or alternative nozzles specified by Riello in ➤ remove the nozzle 1)(Fig. 19) using a wheel spanner;...

  • Page 26: Removing The Nozzles

    Installation 5.7.3 Removing the nozzles ➤ unscrew screws 1) and nuts 2); ➤ extract the restrictor 3); Necessary for the operation within area B) of the “Firing rates” ➤ unscrew the nozzles 4) at the front of the head; on page 10. ➤...

  • Page 27: Combustion Head Adjustment

    Installation Combustion head adjustment The adjustment of the combustion head depends only on the maximum output of the burner. Turn the screw 5)(Fig. 23) until the notch indicated by the dia- gram (Fig. 24) corresponds with the front part of the flange 6). To facilitate the adjustment, loosen the screw 1) (Fig.

  • Page 28: Closing The Burner

    Installation 5.11 Closing the burner Once the combustion head adjustment is completed: ➤ replace screws 2) and lifting rings on the two slide bars 3); ➤ reassemble the burner on the guides 3) at about 100 mm ➤ connect the light oil pipes by screwing the two fittings 16); from the pipe coupling 4) - burner in the position shown in ➤...

  • Page 29: Light Oil Supply

    Installation 5.12 Light oil supply Explosion danger due to fuel leaks in the pres- 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 30: Hydraulic Connections

    Installation 5.12.3 Hydraulic connections The pumps are equipped with a by-pass that connects return line with suction line. They are installed on the burner with the by-pass closed by screw 6)(Fig. 29). It is necessary to connect both flexible hoses to the pump (Fig.

  • Page 31: Pump

    Installation 5.13.1 Pump After 5 or 6 starting operations allow 2 or 3 minutes for the trans- former to cool. Technical data Do not illuminate the UV cell or the burner will lock out; the burner should lock out anyway about 10 seconds after it starts. Pump Min.

  • Page 32: Gas Feeding

    Installation 5.14 Gas feeding Explosion danger due to fuel leaks in the pres- 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 33: Gas Pressure

    Installation 5.14.2 Gas pressure 1 ∆p (mbar) 2 ∆p (mbar) Tab. O indicates the pressure drop of the combustion head and the gas butterfly valve depending on the operating output of the burner. The values shown the table refer to: –...

  • Page 34: Electrical Wiring

    Installation 5.15 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: Inverter

    Avoid opening, modifying or forcing the inverter. WARNING WARNING Riello S.p.A. cannot assume any responsibility for damage resulting from unauthorised interven- tions! Operators must be aware of the fact that in- correctly setting the inverter risks causing...

  • Page 36: Led Status Display

    Installation 5.16.1 LED status display LED green LED red Description “INVERTER OK” “INVERTER ERROR” OFF or initialisation active Inverter ready Inverter ready but not running Inverter running or motor identification phase Blinking red in all states of green led; this indicates the presence of a fault that has been found or which has been memorised The inverter continues to work;...

  • Page 37: 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 38: Burner Start-Up

    WARNING WARNING This modification must be made by qualified Riello personnel. There are two change of fuel options: with the “OIL-EXT-GAS” selector (Fig. 42); min s with a remote selector connected to the main terminal Fig.

  • Page 39: Burner Adjustment

    Start-up, calibration and operation of the burner Burner adjustment 6.6.1 Gas/air delivery adjustment 6.6.2 Light oil/air delivery adjustment ➤ Slightly move towards the maximum flow rate (butterfly valve ➤ Position the selector for selecting the light oil fuel. fully open); ➤...

  • Page 40: Maximum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.7.2 Maximum gas pressure switch Adjust the maximum gas pressure switch after having performed all the other burner adjustments with the maximum gas pressure switch set at the end of the scale (Fig. 48). With the burner operating at maximum output, lower the adjust- ment pressure by slowly turning the relative knob anticlockwise until the burner locks out.

  • Page 41: Visualisation And Programming Mode

    Start-up, calibration and operation of the burner Visualisation and programming mode 6.8.1 Normal mode 6.8.1.4 Error state message, display of the errors and information The Normal mode is the standard operation mode visualised on the operator panel display. It is the main level of the menu. The display visualises alternately the error code (in the example ➤...

  • Page 42: Info Mode

    Start-up, calibration and operation of the burner 6.8.1.5 Reset procedure Releasing the “F” key, the standard visualisation appears, with the current load percentage flashing: this means that the burner The burner is in lockout when the red indicator light on the oper- is working in Manual mode (any outside adjustment is excluded ator panel is lit up, and the display visualises the lockout code (in and only the safety devices are active).

  • Page 43: Service Mode

    Start-up, calibration and operation of the burner The list of parameters (in the sequence in which they are dis- 6.8.3.1 Operating mode on Info Mode and Service Mode played) is shown in Tab. Q. After access to these levels, the display visualises the number of the parameter (flashing) on the left, and the corresponding value Parameter on the right.
  • Page 44 Start-up, calibration and operation of the burner Once you have confirmed, the sign “–” will appear. 6.8.4.2 Assigning parameter levels Continue in the same way for the other characters. The parameters level is subdivided into groups as shown in Tab. After inserting the last character of the password, confirm by pressing the key “i/reset”: if the password inserted is correct you Parameter...

  • Page 45: Parameter Modification Procedure

    Start-up, calibration and operation of the burner Parameter modification procedure After accessing the level and group of parameters, the display visualises the number of the parameter (flashing) on the left, and The set value does not require confirmation. the corresponding value on the right. WARNING WARNING If the value is not visualised, press the key “i/reset for 1 - 3 sec-...
  • Page 46 Start-up, calibration and operation of the burner 6.9.0.2 CALC function The diagram (Fig. 52) shows how the fuel modulation curve is modified if the values of point “P5” are changed. By keeping the “+” key pressed for more than 3 s, the points from “P6”...

  • Page 47: Start-Up Procedure

    Start-up, calibration and operation of the burner 6.10 Start-up procedure Check that the Operator panel display shows the heat request Phase 36: and “OFF UP0” for fuel “0” or “OFF UPr1” for fuel 1: this means The burner goes to its switch-on position, point “P0”, defined in it is necessary to set the modulation curve of the burner.
  • Page 48 Start-up, calibration and operation of the burner Solve the problem, referring to the paragraph Ignition failure. During the adjustment of each point, work on the air and gas ser- vomotors, without modifying the position of the gas valve stabilis- To unlock, see Reset procedure. The display shows “OFF UP0” or “OFF UPr1”...

  • Page 49: Backup / Restore Procedure

    Start-up, calibration and operation of the burner 6.11 Backup / Restore procedure At the end of the Start-up procedure it is wise to carry out a The parameter bAC_UP appears on the display screen: backup, creating a copy of the data memorised on the LMV 26..., in the RDI 21 display panel.

  • Page 50: Restore

    Start-up, calibration and operation of the burner NOTE: The parameter bAC_UP appears on the display screen: If an error occurs during the backup process, the display screen shows a negative value. Refer to diagnostic code 137 to determine the cause of the error (see section List of parameters).

  • Page 51: List Of Parameters

    Start-up, calibration and operation of the burner After approx 8 seconds (it depends on the duration of the pro- NOTE: gramme), the 0 value appears on the display screen, this is to in- When the restore process is successfully completed, the 0 dicate that the restore process has been completed correctly.
  • Page 52 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Standby time before a new attempt in event of com- munication fault Set values: Modification 7200s...
  • Page 53 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Alarm as the pre-purging phase begins; 0 = Deactivated; Modification Service Mode 1 = Activated Uphill train fan motor Modification...
  • Page 54 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment BURNER CHECKS (FUEL 1) Burner operation mode (fuel supply line, modulating/ stage, servomotors, etc.) -- = not defined (eliminate curves) 1 = Gmod...
  • Page 55 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment (Fuel 1) Oil: interval 2 Modification 0.4 s 60 min 0.2s Service Mode (Fuel 1) Oil: post-combustion time Modification...

  • Page 56: Operation

    Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Result of the sampling of the contact (codified in bits) Bit 0.0 = 1: Minimum pressure switch Bit 0.1 = 2: Maximum pressure switch Bit 0.2 = 4: Pressure switch control valves Bit 0.3 = 8: Air pressure switch...

  • Page 57: Burner Flame Goes Out During Operation

    Start-up, calibration and operation of the burner 6.15 Burner flame goes out during operation If the flame accidentally goes out during operation, the control If the flame is still absent, the control box goes into lockout. box carries out a recycle (i.e. it repeats the start-up phase once, and makes a further ignition attempt).

  • Page 58: Maintenance

    Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Turn off the burner's electrical supply using the safety, yield and duration of the burner. main system switch. It allows you to reduce consumption and polluting emissions and Make sure that both electrical supplies have been to keep the product in a reliable state over time.

  • Page 59: Checking The Air And Gas Pressure On The Combustion Head

    Maintenance LIGHT OIL OPERATION GAS OPERATION Pump Gas leaks The depression must be less than 0.45 bar. Make sure that there are no gas leaks on the pipe between the Unusual noise must not be evident during pump operation. gas meter and the burner. If the pressure is found to be unstable or if the pump runs noisily, Gas filter the flexible hose must be detached from the line filter and the fuel...

  • Page 60: Measuring The Flame Signal

    Maintenance 7.2.4 Measuring the flame signal The burner is fitted with a sensor to check that a flame is present. The minimum current for control box operation is 70 µA. The op- erator Panel displays “30%” (see List of parameters, parameter 954).

  • Page 61: Opening The Burner

    Maintenance Opening the burner ➤ Loosen the 4 screws 1) (Fig. 59) and remove the hood 2). Turn off the burner's electrical supply using the ➤ Disconnect the light oil pipes using the fittings 3). main system switch. ➤ Disconnect the tie-rod 4) from the sector 5); Make sure that both electrical supplies have been ➤...

  • Page 62: Faults - Probable Causes - Solutions

    Faults - Probable causes - Solutions Faults - Probable 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 63 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code Leak test Check if the valve on the side of the burner has any leaks. V2 leaks Check if the pressure switch for the leak test (PGVP) is closed when gas pressure is not present.
  • Page 64 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code Safety circuit open /Burner flange open, extraneous light, air pressure, POC - Alarm lockout at start Safety circuit open /Burner flange, air pressure, fuel pressure, POC - Alarm lockout at start Safety circuit open /Burner flange, extraneous light, air pressure, fuel pressure, POC - Alarm lockout at start...
  • Page 65 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code Air servomotor error It was not possible to reach the target position within the Position error requested tolerance range. 1. Check if the servomotor is blocked or overloaded. Circuit open shown on the servomotor connection.
  • Page 66 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code 0 Min. pressure switch 1 Max. pressure switch 2 Valve operation test pressure switch 3 Air pressure 4 Load controller open 5 Load controller on/off Can be caused by capacitive loads or presence of DC voltage 6 Load controller closed Blocked upon irregularity...
  • Page 67 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code Backup – the data comparison between the internal 243 (-13) Repeat the reset and backup microprocessors is irregular The backup data are incompatible with the current version of 244 (-12) The backup data are incompatible the software;...
  • Page 68 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the LMV 26... system Recommended measures code Selection of internal operation mode Redefine the operation mode (parameter 201) Redefine the operation mode (parameter 201) Internal error Carry out a reset; if the error arises repeatedly, replace the control box Phase number Program stop...

  • Page 69: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Output power regulator kit for modulating operation With the modulating operation, the burner continually adapts the Two components should be ordered: power to the heat request, ensuring a high level of stability for • the output power regulator to be installed on the burner; the parameter controlled: temperature or pressure.

  • Page 70: 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 LMV26..functional layout LMV26..functional layout LMV26..functional layout LMV26..functional layout LMV26..functional layout Electrical wiring that the installer is responsible for Electrical wiring that the installer is responsible for RWF50 Functional layout ...
  • Page 71 Appendix - Electrical panel layout 20121213...
  • Page 72 Appendix - Electrical panel layout 20121213...
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  • Page 74 Appendix - Electrical panel layout 20121213...
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  • Page 79 Appendix - Electrical panel layout 20121213...
  • Page 80 Appendix - Electrical panel layout 20121213...
  • Page 81 Appendix - Electrical panel layout 20121213...
  • Page 82 Appendix - Electrical panel layout Wiring layout key Burner components Air servomotor Boiler components Gas servomotor Control box for the air/fuel ratio Ignition transformer Operator panel Limit thermostat/pressure switch Filter to protect against radio disturbance Adjustment thermostat/pressure switch Output regulator RWF50 Safety thermostat/pressure switch Fuel meter VFOil...
  • Page 84 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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Rls 120/evi mx fs1779t2780t2

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