Riello RLS 190/M MZ Installation, Use And Maintenance Instructions
Dual fuel light oil/gas burner
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Summary of Contents for Riello RLS 190/M MZ
- Page 1 Installation, use and maintenance instructions Dual fuel light oil/gas burner Two-stage progressive or modulating operation gas side / two-stage light oil side CODE MODEL TYPE 20159361 RLS 190/M MZ 784 T 20159359 RLS 190/M MZ 784 T 20146760 RLS 190/M MZ...
- Page 2 Translation of the original instructions...
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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 adjustment (light oil) ............................25 Adjustments prior to ignition (gas) ..........................26 Burner start-up ................................26 Burner ignition ................................26 6.7.1 Burner adjustment..............................26 6.7.2 Ignition output ................................26 6.7.3 Maximum output ................................27 6.7.4 Minimum output .................................28 6.7.5 Intermediate outputs ..............................28 Servomotor adjustment ..............................29 Change of fuel................................29 6.10 Pressure switch adjustment ............................30...
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Page 5: 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 revision 26.01.2010”. Product... -
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 is an integral and essential part of the product and must not atmosphere may be present. -
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 safety electrical power supply, the minimum and maximum deliveries for technical rules and envisaging all the potential danger situations. -
Page 9: Technical Description Of The Burner
110V / 50-60Hz 3/400/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Start-up Code RLS 190/M MZ TC 3 ~ 400V +/-10% 50 Hz Direct 20159361 RLS 190/M MZ TC 3 ~ 230V +/-10% 50 Hz Direct 20159359 RLS 190/M MZ TL... -
Page 10: Technical Data
Technical description of the burner Technical data Model RLS 190/M MZ Type 784T Output 2nd stage 1100 ÷ 2150 Delivery min - max kg/h 93 ÷ 181 1st stage kg/h Fuels – LIGHT OIL, max. viscosity at 20 °C: 6 mm /s (1.5 °E - 6 cSt) -
Page 11: Maximum Dimensions
The MINIMUM OUTPUT must not be lower than the minimum atmospheric pressure of 1013 mbar (approx. 0 m limit of the diagram: a.s.l.), and with the combustion head adjusted as ATTENTION RLS 190/M MZ = 550 kW shown on page 25. D3170 Thermal power - kW Fig. 2... -
Page 12: Test Boiler
In (Fig. 3) you can see the diameter and length of the test combustion chamber. D715 Fig. 3 Commercial boiler The burner RLS 190/M MZ is suitable for operating on boilers with combustion chamber with bottom outflow (three passes), on which the best NO emissions are obtained. 250 mm MAX The boiler front door maximum thickness must not exceed 250 mm (Fig. -
Page 13: Burner Description
Technical description of the burner 4.11 Burner description 20159592 Fig. 5 Flame stability disc 19 Fan motor Ignition electrodes 20 Extensions for slide bars 8) Combustion head 21 1st and 2nd stage valves Gas pressure test point and head fixing screw 22 Air pressure test point Screws to secure fan to pipe coupling 23 Flame inspection window... -
Page 14: Electrical Panel Description
Technical description of the burner 4.12 Electrical panel description 20159602 Fig. 6 Ignition transformer Switch for: for automatic-manual-off operation Switch for: output increase-decrease Motor contactor and thermal relay with reset button Bracket for RWF kit application Protection against radio interference Terminal board for electrical connection Cable-grommets for external connections to be carried out by the installer... -
Page 15: 4.13 Control Box Rfgo-A22
Technical description of the burner 4.13 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 ATTENTION or modifying it, or forcing its operation. The Manufacturer cannot assume any responsibility for damage resulting from unauthorised work! ... -
Page 16: Servomotor (Sqn31
Technical description of the burner 4.14 Servomotor (SQN31...) Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying forcing ATTENTION actuators. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ... -
Page 17: 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 18: Preparing The Boiler
For boilers with front flue passes 15) (Fig. 11) or flame inversion chamber, a protection in refractory material 13) (Fig. 11) must be inserted between the boiler fettling (14) (Fig. 11) and the blast RLS 190/M MZ 325 - 368 M 16 tube (12) (Fig. -
Page 19: Nozzle Installation
The burner complies with the emission requirements of EN 267 standard. In order to guarantee that emissions do not vary, recommended and/or alternative nozzles specified by Riello in the Instruction and warning booklet should be used. It is advisable to replace the nozzle once a year during periodical maintenance. -
Page 20: Pump Motor Rotation
Installation kg/h 10 bar 12 bar 14 bar 12 bar 11.0 42.3 46.7 50.7 553.9 12.0 46.1 50.9 55.3 603.7 13.0 50.0 55.1 59.9 653.5 13.5 51.7 57.0 62.0 681.4 14.0 53.8 59.4 64.5 704.5 15.0 57.7 63.6 69.2 754.3 15.5 59.3 65.5... -
Page 21: Light Oil Supply
Installation Light oil supply Key (Fig. 18) Explosion danger due to fuel leaks in the H = Pump/Foot valve height difference presence of a flammable source. L = Piping length Precautions: avoid knocking, attrition, sparks and Ø = Inside pipe diameter heat. -
Page 22: Hydraulic Circuit Diagram
Installation 5.8.3 Hydraulic circuit diagram 5.8.5 Priming pump Before starting the burner, make sure that the tank return line is not clogged. Obstructions in the line could cause the sealing organ located on the pump shaft to break. ATTENTION Make sure that the valves on the suction line are open and that there is fuel in the tank. -
Page 23: Gas Supply
Installation Gas supply Explosion danger due to fuel leaks in the MBC 1200 presence of a flammable source. Precautions: avoid knocking, attrition, sparks and DANGER heat. Make sure the fuel shut-off valve is closed before performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws. -
Page 24: Gas Train
Installation 5.9.2 Gas train p (mbar) Type-approved in accordance with EN 676 and supplied separately from the burner. 1100 12.3 10.9 To select the correct gas train model, refer to the manual "Burner- 1217 14.8 13.1 gas train combination" supplied with the unit. 1333 11.6 17.3... -
Page 25: Electrical Wiring
Installation 5.10 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 26: Calibration Of The Thermal Relay
Installation 5.11 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), refer to the table indicated in the electrical layout (electrical wiring in charge of the installer). -
Page 27: Start-Up, Calibration And Operation Of The Burner
Fan damper adjustment For the initial ignition, leave the factory setting for the 1st and 2nd ATTENTION stages. Example: Burner RLS 190/M MZ Burner maximum output = 1500 kW No. notches D3173 The diagram (Fig. 32) shows that for this output, the adjustment of the combustion head should be carried out on notch 5, as in Fig. -
Page 28: Adjustments Prior To Ignition (Gas)
Start-up, calibration and operation of the burner Adjustments prior to ignition (gas) Combustion head adjustment is already described on page 25. Before starting up the burner, it is good practice to In addition, the following adjustments must also be made: adjust the gas train so that ignition takes place in ... -
Page 29: Maximum Output
Start-up, calibration and operation of the burner Burners with MAX output above 120 kW Ignition must occur at a lower output than the max. operation output. If ignition output does not exceed 120 kW, no calculations are required. If ignition output exceeds 120 kW, the regulatory standard sets that the value be defined according to the control box safety time "ts": for "ts"... -
Page 30: Minimum Output
Start-up, calibration and operation of the burner 6.7.4 Minimum output 6.7.5 Intermediate outputs MIN output must be selected within the firing rate range indicated Adjustment of gas delivery on Fig. 2, on page 9. Press button 2)(Fig. 35, on page 26) No adjustment is required “Output decrease”... -
Page 31: Servomotor Adjustment
Start-up, calibration and operation of the burner Servomotor adjustment Important notes Do not alter the factory setting for the 5 cams; just check that they are as specified below: To avoid accidents, material or environmental damage, observe the following instructions! Cam I: 130°... -
Page 32: Pressure Switch Adjustment
Start-up, calibration and operation of the burner 6.10 Pressure switch adjustment 6.10.1 Air pressure switch - check CO Adjust the air pressure switch after performing all other burner adjustments with the air pressure switch set to the start of the scale (Fig. -
Page 33: Burner Operation
Start-up, calibration and operation of the burner 6.11 Burner operation 6.11.1 Burner start-up • The burner locks out when the heat request is less than the heat supplied by the burner at MIN output, (section G-H). The Control remote control TL closes. Fan motor TL remote control opens, the servomotor returns to angle 0°... -
Page 34: 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 system main switch. -
Page 35: Flame Presence Check
Maintenance 7.2.4 Flame presence check Flame inspection window Clean the glass of the flame inspection window. The quantity of flame signal can also be checked through the "Check Mode" function. Check the level of the flame detection signal with the “Check mode”... -
Page 36: Combustion Control (Gas)
Maintenance LIGHT OIL OPERATION GAS OPERATION Fuel tank Gas leaks Approximately every 5 years, suck any water on the bottom of the Make sure that there are no gas leaks on the pipe between the tank using a separate pump. gas meter and the burner. -
Page 37: Opening The Burner
Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the main system switch. DANGER Close the fuel shut-off valve. 20164428 DANGER Wait for the components in contact with heat sources to cool down completely. Cut off the voltage ... -
Page 38: 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 39: 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 40: 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 The regulation prohibits the system from allowing indicate the cause of the stop. more than 5 remote reset attempts within a 15 The terminal T3 is not powered. - Page 41 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 42 Problems - Causes - Remedies signalled by LED indicators Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 UV: Internal fault ● ● Supervisor processor fault ● ● ● Main processor fault ● ● ●...
- Page 43 Problems - Causes - Remedies signalled by LED indicators Fault explanation Faults Cause Solution Post-diagnostics fault Initial power diagnostics fault Check T12, T13 and T14 Make sure that the status of inlets and outlets is correct upon ignition Local reset The user started the manual reset or the Check T21 inlet or reset for normal reset switch is faulty...
- Page 44 Problems - Causes - Remedies signalled by LED indicators Faults Cause Solution Internal processor timeout Internal fault Replace the control device Internal processor timeout Internal fault Replace the control device Combustion air check timeout The system could not perform verification Check the wiring or the air pressure switch tests of the combustion air during the burner sequence...
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Page 45: A Appendix - Accessories
Probe with output 0...16 bar 3010214 RWF55 20099905 Pressure 4...20 mA 0...25 bar 3090873 Extended head kit Burner Code RLS 190/M MZ 3010440 Potentiometer kit Burner Code RLS 190/M MZ 3010416 E5202 kit Burner Code RLS 190/M MZ 3010415 Soundproofing box kit... - Page 46 Appendix - Accessories Ground fault interrupter kit Burner Codice RLS 190/M MZ 20098337 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.
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Page 47: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Functional layout RFGO-A22 Functional layout RFGO-A22 Functional layout RFGO-A22 Electrical wiring that is the responsibility of the installer Functional layout RWF50 Indication of references / 1 . - Page 48 Appendix - Electrical panel layout 20164195...
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- Page 53 Appendix - Electrical panel layout 20164195...
- Page 54 Appendix - Electrical panel layout 20164195...
- Page 55 Appendix - Electrical panel layout Wiring layout key Control box Oil/gas selector Burner components 1st stage adjustment valve (gas) UV cell Boiler component Protection against radio interference Gas leak detection control device Internal output power regulator RWF Safety valve (light oil) Probe with current output 1st stage adjustment valve (light oil) Device with current output for editing remote set-...
- 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...