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Related Manuals for Riello 1302 T
Summary of Contents for Riello 1302 T
- Page 1 Dual fuel light oil/gas burners Two-stage progressive or modulating operation gas side / two-stage light oil side CODE MODEL TYPE 20145372 RLS 250/M MZ 1302 T 20146578 RLS 250/M MZ 1302 T 20146446 RLS 250/M MZ 1302 T 20148249 (4) - 02/2023...
- 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
Declarations Declarations 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 Type Model Output Dual fuel light oil/gas burners 1302 T RLS 250/M MZ 550 - 2460 kW... -
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
Technical description of the burner Technical description of the burner Burner designation Series: Fuel: Natural gas Light oil Light oil / Methane Heavy oil Size Adjustment: Two stage (light oil) / Proportional valve (gas) Electronic cam Electronic cam and variable speed (with Inverter) Proportional air/gas valve Mechanical cam Emission:... -
Page 10: Technical Data
Technical description of the burner Technical data Model RLS 250/M MZ Type 1302 T Output 2nd stage 1230 ÷ 2460 Delivery min - max kg/h 104 ÷ 207 1st stage kg/h 47.5 Fuels – LIGHT OIL, max. viscosity at 20 °C: 6 mm /s (1.5 °E - 6 cSt) -
Page 11: Maximum Dimensions
Technical description of the burner Maximum dimensions The dimensions of the burner are given in Fig. 1. The l position is reference for the refractory thickness of the boiler door. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part turned on the hinge. -
Page 12: Test Boiler
Technical description of the burner Test boiler The burner/boiler combination does not pose any problems if the Example: boiler is EC approved and its combustion chamber dimensions Output 650 Mcal/h are similar to those indicated in the diagram (Fig. 3). diameter 60 cm length 2 m If the burner must be combined with a boiler that has not been EC... -
Page 13: Burner Description
Technical description of the burner 4.11 Burner description 20164430 Fig. 5 Flame stability disc 18 Servomotor controlling the gas butterfly valve and the air Ignition electrodes damper, by means of a variable profile cam mechanism. Combustion head When the burner is not operating the air damper is fully Gas pressure test point and head fixing screw closed in order to reduce heat dispersion from the boiler due Screws to secure fan to pipe coupling... -
Page 14: Electrical Panel Description
Technical description of the burner 4.12 Electrical panel description 20164354 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
Installation Preparing the boiler 5.4.1 Boring the boiler plate This protection must not compromise the extraction of the blast tube. Pierce the closing plate of the combustion chamber, as in Fig. 10. For boilers with a water-cooled front piece, a refractory lining 13)- The position of the threaded holes can be marked using the 14)(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 Ugello tipo: DELAVAN B 60° kg/h 12 bar 10 bar 12 bar 14 bar 12.0 44.16 48.73 52.96 582.36 13.0 47.84 52.79 57.38 630.89 14.0 51.52 56.86 61.79 679.42 15.0 55.20 60.92 66.20 727.95 16.0 58.88 64.98 70.62 776.48 17.0 62.57 69.04... -
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 5.9.4 Gas pressure Type-approved in accordance with EN 676 and supplied The adjacent Tab. J indicates the minimum pressure drops along separately from the burner. the gas supply line, depending on the maximum burner output. Combustion head pressure drop. Gas pressure measured at test point 1)(Fig. -
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
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 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 Cam I: 130° Limits rotation toward maximum damage, observe the following instructions! position. -
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, Before carrying out any maintenance, cleaning or checking safety, yield and duration of the burner. operations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
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. D8910 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 Make sure that the status of inlets and Check T12, T13 and T14 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 tests of the combustion air during the burner Check the wiring or the air pressure switch sequence...
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Page 45: 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 request for heat, ensuring great stability for the • the output regulator to install on the burner; parameter controlled: temperature or pressure. -
Page 46: 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 47 Appendix - Electrical panel layout 20145393...
- Page 48 Appendix - Electrical panel layout 20145393...
- Page 49 Appendix - Electrical panel layout 20145393...
- Page 50 Appendix - Electrical panel layout 20145393...
- Page 51 Appendix - Electrical panel layout 20145393...
- Page 52 Appendix - Electrical panel layout 20145393...
- Page 53 Appendix - Electrical panel layout 20145393...
- Page 54 Appendix - Electrical panel layout Wiring layout key Control box 2nd stage adjustment valve Protection against radio interference Gas adjustment valve + gas safety valve YVPS Gas leak detection control device Output power regulator RWF DC input 4...20 mA Main supply terminal strip DC input 4...20 mA for modifying the remote set- XPGM Maximum gas pressure switch connection plug...
- 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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