Riello RL 28/M Installation, Use And Maintenance Instructions
Light oil burners, progressive two-stage or modulating operation
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- Page 1 Installation, use and maintenance instructions Light oil burners Progressive two-stage or modulating operation CODE MODEL TYPE 20166492 RL 28/M 663 M 20166495 RL 28/M 663 M 20166497 RL 38/M 664 M 20166499 RL 38/M 664 M 20166502 RL 50/M 665 M...
- 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 Notes on safety for the first start-up ...........................24 Adjustments prior to ignition............................24 8.2.1 Burner ignition ................................24 8.2.2 Adjusting the burner ..............................24 Servomotor ................................26 Pressure switch adjustment ............................26 8.4.1 Oil pressure switch..............................26 Burner operation ................................27 8.5.1 Burner start-up ................................27 8.5.2 Steady state operation ...............................27 8.5.3 Ignition failure................................27...
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Page 5: Declarations
January 8th 2004 and July 17th 2009. Type of product: Light oil burner Model: RL 28/M - RL 38/M - RL 50/M Regulation applied: EN 267 and A.R. of January 8th 2004 - July 17th 2009 Controlling organisation: TÜV Industrie Service GmbH TÜV SÜD Gruppe... -
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 frequency of the electrical power supply, the minimum and current regulations and directives, applying the known technical maximum deliveries for which the burner has been regulated, the safety rules and envisaging all the potential danger situations. -
Page 9: Technical Description Of The Burner
Voltage of auxiliaries: 230/50/60 230V / 50-60Hz 110/50/60 110V / 50-60Hz 1/230/50 230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RL 28/M 1/230/50 Direct 20166492 RL 28/M 1/230/50 Direct 20166495 RL 38/M 3/230-400/50 Direct 20166497 RL 38/M 3/230-400/50... -
Page 10: Technical Data
Technical description of the burner Technical data MODEL RL 28/M RL 38/M RL 50/M Output MAX. 166 - 332 237 - 450 296 - 593 Delivery Mcal/h 143 - 286 204 - 387 255 - 510 kg/h 14 - 28... -
Page 11: Maximum Dimensions
2 - Extensions for slide bars (models with 351 mm blast tube) 4 - Screws to fix the burner flange to the boiler: M 8 x 25 3 - Cable grommets for the electrical wiring (RL 28/M) 4 - Cable grommets for the electrical wiring (RL 38 - 50/M) -
Page 12: Firing Rate
Technical description of the burner Firing rate During operation, burner output varies between: D853 a MINIMUM OUTPUT: area A a MAXIMUM OUTPUT: area B Diagrams: Horizontal axis:burner output Vertical axis:pressure in combustion chamber The work point is found by drawing a vertical line from the required output and an horizontal line from the corresponding pressure in the combustion chamber. -
Page 13: Burner Description
Technical description of the burner 4.10 Burner description 20169199 20170881 Fig. 5 Ignition electrodes Two types of burner lockout may occur: Combustion head Screw for combustion head adjustment Control box lockout: Extensions for slide bars 7) if the control box 23) push-button lights up, it indicates that the Screw for fixing fan to flange burner is in lockout. -
Page 14: Electrical Panel Description
Button for: power increase - power reduction Motor contactor and thermal relay with reset button (RL 38- 50/M) Motor capacitor (RL 28/M) Terminal board for electric connection Bracket for application of RWF kit Control box base Filter to protect against radio disturbance (RL 28-50/M) -
Page 15: 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 16: Control Box Rfgo-A23
Installation Control box RFGO-A23 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 17: Servomotor (Sqn90
Installation Servomotor (SQN90...) Important notes 20162744 To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying forcing ATTENTION servomotor. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. Falls and collisions can negatively affect the safety functions. In this case, the servomotor must not be operated, even if it displays no evident damage. -
Page 18: Operating Position
(Fig. 11). The position of the threaded holes can be marked using the thermal insulation screen supplied with the burner. Remove blast tube 7) from the burner 4) (Fig. 12) and proceed as RL 28/M follows: RL 38/M Remove the screws 2) from the two slide bars 3). -
Page 19: Nozzle Installation
Installation 5.10 Nozzle installation 5.10.1 Nozzle selection 20119192 The burner complies with the emission requirements of the EN 267 standard. In order to guarantee that emissions do not vary, recommended and/or alternative nozzles specified by the Manufacturer in the instruction and warning booklet should be used. It is advisable to replace nozzles once a year during periodical maintenance. -
Page 20: Combustion Head Adjustment
Installation 5.11 Combustion head adjustment The adjustment of the combustion head depends only on the maximum output at which the burner has to operate. Turn the screw 4)(Fig. 17) until the notch indicated by the diagram (Fig. 18) corresponds with the front part of the flange 5)(Fig. -
Page 21: Hydraulic System
5 = Suction line height difference are higher than the values listed in Tab. I. 6 = Foot valve RL 28/M RL 38-50/M 7 = Quick closing manual valve with remote control (Italy only) +/- H... -
Page 22: Hydraulic Connections
Hydraulic system Hydraulic connections Make sure that the hoses to the pump supply 20170884 and return line are installed correctly. CAUTION 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. -
Page 23: Pump
Pressure adjustment – Stop the burner: set switch 1)(Fig. 23) to "OFF" and tighten the screw 3). 6.3.1 Technical data RL 38/M BURNER RL 28/M RL 50/M Suntec Suntec PUMP MODEL AL 75C AL 95C Min. delivery rate at 20 bar... -
Page 24: Electric System
Electric system Electric system 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: Supply Cables And External Connections Passage
7 and 8 and removed the thin diaphragm that closes the holes. The use of the cable grommets and the pre-blanked holes can be done in different manners; for example: RL 28/M 1 - Pg 11 Single-phase power supply 3 - Pg 9 TL remote control... -
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 2 - MINIMUM OUTPUT D869 MIN output must be selected within the firing rate range indicated on page 10. Press button 2)(Fig. 27) “-” and keep it pressed until the servomotor reaches 15° (factory adjustment). Nozzle output adjustment The nozzle flow output is given in the diagram ( Fig.
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Page 28: Servomotor
Start-up, calibration and operation of the burner Servomotor The servomotor simultaneously adjusts the air damper 11)(Fig. 29 on page 25) and the pressure variator 9) by means of a double variable profile cam, 4) and 7). The servomotor's rotation angle is 90° in 24 s. Do not alter the factory setting for the 4 cams;... -
Page 29: Burner Operation
Start-up, calibration and operation of the burner Burner operation 8.5.1 Burner start-up 20169157 0 s: TL remote control closing, motor starting. The pump 3) sucks the fuel from the tank through the piping 1) and the filter 2) and pumps it under pressure to delivery. -
Page 30: Final Checks
Start-up, calibration and operation of the burner Final checks – Block the flame sensor and turn off the remote controls: the burner must start and then stop in lockout after approximately Make sure that the mechanical locking systems 5 s after ignition. on the adjustment devices are fully tightened. -
Page 31: 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 32: Safety Components
Maintenance Flame sensor Check Mode Clean the glass cover from any dust that may have accumulated. With burner flame on: To remove the flame sensor 1)(Fig. 37) pull it outwards with hold the reset button on the flame control pressed for at force;... -
Page 33: Opening The Burner
Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the system main switch. DANGER Close the fuel shut-off valve. D875 DANGER Wait for the components in contact with heat sources to cool down completely. Fig. 40 –... -
Page 34: Led Indicator And Special Function
LED indicator and special function 10.1 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 position-reached feedback sent by the servomotor is received, then it stays steadily on for the open... -
Page 35: 10.4 Led Lamps: Burner Operating Status
10.4 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 Not ready/ Green Diagnostics... -
Page 36: 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. by trained personnel. - 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...
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Page 41: A Appendix - Accessories
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 28/M 3010120 RL 38/M 3010121 RL 50/M 3010122 Soundproofing box kit Burner Type... -
Page 42: Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Reference indication Functional layout RFGO-A23 Functional layout RFGO-A23 Electrical wiring that is the responsibility of the installer Functional layout RWF Reference indication / 1 . A 1 Sheet no. - Page 43 Appendix - Electrical panel layout 20166434...
- Page 44 Appendix - Electrical panel layout 20166434...
- Page 45 Appendix - Electrical panel layout 20166434...
- Page 46 Appendix - Electrical panel layout 20166434...
- Page 47 Appendix - Electrical panel layout 20166434...
- Page 48 Appendix - Electrical panel layout 20166434...
- Page 49 Appendix - Electrical panel layout 20166434...
- Page 50 Appendix - Electrical panel layout 20166434...
- Page 51 Appendix - Electrical panel layout WIRING DIAGRAM KEY Control box Filter to protect against radio disturbance RWF Output power regulator Probe with output under current Output device in current to modify remote setpoint Pressure probe Pressure probe Remote setpoint potentiometer Thermocouple probe Probe Pt100, 2 wires Probe Pt100, 3 wires...
- 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...
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