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Related Manuals for Riello RLAS 650/EV
Summary of Contents for Riello RLAS 650/EV
- Page 1 Installation, use and maintenance instructions Dual fuel air atomizing oil/gas burner Modulating operation CODE MODEL 20164299 RLAS 650/EV (FGR prepared) 20164300 RLAS 650/EV (FGR prepared) 20164301 RLAS 800/EV (FGR prepared) 20164302 RLAS 800/EV (FGR prepared) 20142253 (7) - 05/2023...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents Burner firing ................. 39 Burner ignition .
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Page 5: Information And General Instructions
Information and general instructions Information and general instructions Information about the instruction manual 1.1.1 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 be away from moving mechanical parts;... -
Page 6: Guarantee And Responsibility
Information and general instructions 1.1.4 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 cur- the type and pressure of the fuel, the voltage and frequency of the rent regulations and directives, applying the known technical rules electrical power supply, the minimum and maximum deliveries for of safety and envisaging all the potential danger situations. -
Page 8: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Technical data Model RLAS 650/EV RLAS 800/EV (FGR prepared) (FGR prepared) Output delivery Natural MBtu/hr 11,632 24,805 22,325* 13,256 28,500 25,675* High 81.2 177.2 159.5* 94.7 203.6 183.4* Natural MBtu/hr... -
Page 9: Burner Models Designation
(MOP) Tab. C Burner models designation Fan motor Model Riello Code RBNA Code Voltage Flame saveguard Starting 20164299 460/3/60 RLAS 650/EV (FGR prepared) 20141356 Inverter Burner Mounted 20164300 230/3/60 20164301 460/3/60 RLAS 800/EV (FGR prepared) 20141348 Inverter Burner Mounted... -
Page 10: Overall Dimensions
Technical description of the burner Overall dimensions The maximum dimensions of the burner are given in Fig. 2. Bear in mind that inspection of the combustion head requires the burner to be opened by rotating the rear part on the hinge. 20147248 Fig. -
Page 11: Burner Capacity
Technical description of the burner Burner capacity 20158874 (*) Firing Rate for C-ETL Canadian Listing Burner power output - MBtu/hr Fig. 3 3.7.1 Procedure to refer burner operating condition at an altitude and/or at a combustion supporter air temperature different to the standard values (328 ft above sea level, 68 °F). AIR TEMPERATURE Altitude Altitude... -
Page 12: Minimum Furnace Dimensions
Technical description of the burner Minimum furnace dimensions The firing rate was obtained in special test boilers. Example: Fig. 4 indicates the diameter and length of the test combustion Output 26510 Mbtu/hr: - diameter 47.7 inch - length 20 ft. chamber. -
Page 13: Burner Components
Technical description of the burner Burner components 20147324 Fig. 5 Compressed air valve 24 Oil modulator Air solenoid valve 25 Nozzle return pressure gauge Air inlet pressure gauge 26 Gas train flange Nozzle delivery pressure gauge 27 Pump motor Oil shut off VOG valve 28 Hinge for opening burner Air inlet to fan 29 Flame detector... -
Page 14: Panel Board Description
Technical description of the burner 3.10 Panel board description 20159728 Fig. 6 Horn 15 "X70" Speed sensor terminal strip Pump motor contactor and thermal relay 16 "X1" Burner terminal board Auxiliary fuse 17 Electric joint for air pressure switch pipe Relays 18 Ignition cable Air pressure switch... -
Page 15: Azl Display
The AZL... display is a safety device! Avoid opening WARNING or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage re- sulting from unauthorised interventions! The electronic cam is operated and programmed through the AZL5 interface... -
Page 16: Control Box For The Air/Fuel Ratio (Lmv52
To avoid accidents, material or environmental dam- age, observe the following instructions! The control box is a safety device! Avoid opening or WARNING modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage re- sulting from unauthorised interventions! Risk of explosion! - Page 17 Technical description of the burner Electrical connection of ionization probe and flame detector • Never run the detector cables together with other cables: – Line capacitance reduces the magnitude of the flame signal. It is important to achieve practically disturbance- and loss-free –...
- Page 18 Technical description of the burner Operation sequence of the burner TSA1 Timer 1 Timer 2 TSA1 Fuel 1 (oil) Fuel selection Fuel 2 (gas) Controller - ON (internal + external) Air pressure switch (LP) Fan conductor contact (GSK) (CPI function with LMV52...) Start release - oil Ignition (Z) (alternative start signal)
- Page 19 Technical description of the burner Key to the sequence diagrams: Assignment of times: Depending on the parameter, valve proving takes place: Postpurge lockout position between phase 62 and phase 70 or/and Max. time safety phase between phase 30 and phase 32. Min.
- Page 20 Technical description of the burner Key to the sequence diagrams: Parameter: With / without pressure switch Permissible positioning range Parameter: Short / long preignition time for oil only Short / long oil pump – ON – time In Standby: actuator can travel within the permissible po- Delayed shutdown within TSA1 + TSA2 sitioning range, but is always driven to the home position.
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Page 21: Servomotor (Sqm45.2
Technical description of the burner 3.13 Servomotor (SQM45.2..) Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the actu- WARNING ators. All interventions (assembly and installation operations, assis- tance, etc.) must be carried out by qualified personnel. ... -
Page 22: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will be The installation of the burner must be carried out by installed, and arranging the correct lighting of the environment, pro- qualified personnel, as indicated in this manual and ceed with the installation operations. -
Page 23: Operating Position
6) and the blast tube 4). Ø This protective fettling must not compromise the extraction of the inch blast tube. RLAS 650/EV 21 /64“ 31 / 64 “ For boilers having a water-cooled front the refractory fettling 5)- RLAS 800/EV 21 /64“... -
Page 24: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Prepare a suitable lifting system using the rings 3) The seal between burner and boiler must be air- after having removed the casing 1) unscrewing tight. screws 2)(Fig. 14). WARNING Insert the thermal protection supplied with the blast tube 4). ... -
Page 25: Combustion Head Adjustment
Combustion head adjustment Changing the position of the head movement lever 1)(Fig. 16), we can obtain different output firing rates (see Tab. L). 20159024 FIRING RATES HEAD (MBtu/hr) POSITION RLAS 650/EV RLAS 800/EV 11362 13256 15850 18340 20330 23420 24805 28500 Tab. -
Page 26: Electrode Position
In order to guarantee that emissions do not vary, recom- kets, sealing compound, or tape. mended and/or alternative nozzles specified by Riello in the in- Be careful to avoid damaging the nozzle seal- struction and warning booklet should be used. - Page 27 Installation 4.11.2 Air atomiser unit (assisted atomisation) The Y-Jet atomiser unit has the following features: Disc type 24-S (Fluidics) Air/steam atomiser type 24-Y (Fluidics) Capnut 24 (Fluidics) The delivery range and pulverisation angles are given are given by the variants that are available for the element 2)(See the diagram Fig.
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Page 28: Light Oil Supply
Installation 4.12 Light oil supply 4.12.2 The loop circuit Explosion danger due to fuel leaks in the presence A loop circuit consists of a loop of piping departing from and return- of a flammable source. ing to the tank with an auxiliary pump that circulates the fuel under Precautions: avoid knocking, attrition, sparks and pressure. - Page 29 Installation 4.12.3 Hydraulic connections Air Valve Make sure that the flexible hoses to the pump sup- ply and return line are installed correctly. 1/2" NPT CAUTION Follow the instructions below: tighten the flexible hoses with the supplied gas- kets. WARNING ...
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Page 30: Pump
Installation 4.13 Pump 4.13.1 Technical data Pump SUNTEC TA4 Min. delivery rate at 30 bar pressure 830 kg/h Delivery pressure range 40 bar / 101 580 psi ÷ ÷ Max. suction depression 0.45 bar / 6.5psi Viscosity range 75 cSt ÷... -
Page 31: Gas Train Supplied
Installation 4.14 Gas train supplied It must be type-approved according to required standards and is The fuel supply line must be installed by qualified supplied separately from the burner. personnel, in compliance with current standards Explosion danger due to fuel leaks in the presence and laws. - Page 32 4.14.4 Ignition pilot burner 11362 For proper operation, adjust gas pressure (measured at pressure test point 1)(Fig. 28) as follows: 15850 Model “WC SCFH 20330 RLAS 650/EV Natural gas 24805 13,1 RLAS 800/EV Natural gas Tab. P 13256 18340 Check pilot flame stability before starting up the main burner.
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Page 33: Electrical Wiring
Installation 4.15 Electrical wiring 4.15.1 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 34 Installation 4.15.3 Supply cables and external connections passage The control panel is in compliance with UL508A. All the cables to be connected to the burner are fed through the grommets (Fig. 30). The use of the cable grommets can take vari- WARNING ous forms.
- Page 35 Installation 4.15.4 Shielding the connections For the burner to operate correctly, where required, it is necessary to shield the connections. WARNING To shield the motor connection, proceed as follows: to access the motor casing, loosen the four screws 1)(Fig. 31) and remove the cover 2).
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Page 36: Installation Of Shielded Cables
Installation 4.16 Installation of shielded cables In the case of clamp type A: unscrew the screw until space is created for inserting the shielding of the shielded cable A1)(Fig. 34); insert the shielded cable with the shielding inside the clamp A2);... - Page 37 Installation 4.16.1 Inverter connection Treatment of cables Countermeasures against cable noise Following, it is reported an example how to con- nect the Inverter. The treatment of cables is the most important countermeasure. For further information, please refer to the relevant The machinery manufacturers are requested WARNING Inverter instruction manual.
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Page 38: Thermal Relay Calibration
Installation 4.17 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.17.2 Electronic thermal relay lays: To reset, in the case of an intervention of the thermal relay, – Electro-mechanical thermal relay (used for single phase mo- press the button “RESET”... -
Page 39: Motor Connection At 208-230 Or 460V
Installation 4.18 Motor connection at 208-230 or 460V Please, pay attention to the indications in case of modification of the motors, manufactured for 208-230/460 IE3 voltage, maintenance, or substitution. NEMA Premium Efficiency voltage, have the same connection than IE2/Epact motors, but differ- ent connection than IE1 motors no more star/delta WARNING but star/double star. -
Page 40: 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 41: Burner Start-Up
Start-up, calibration and operation of the burner Burner start-up Feed electricity to the burner via the disconnecting switch on the boiler panel. Close the thermostats/pressure switches. Close the thermostats/pressure switches and turn the switch of Fig. 47 to position “LOCAL”. Make sure that the lamps or testers connected to the solenoids, or indicator lights on the solenoids themselves, show that no voltage is present. -
Page 42: Burner Ignition
Start-up, calibration and operation of the burner Burner ignition Once the above steps are complete, the burner should light. If the motor starts up, but the flame does not appear and the control box goes into lockout, reset it and wait for a new ignition attempt. If ignition is still not achieved, it may be that gas is not reaching the combustion head within the safety time period of 3 seconds. -
Page 43: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.8.1 Air pressure switch For the RLAS 800 burner model, the air pressure switch is connect- ed in absolute mode and is activated by the positive pressure from the fan (Fig. -
Page 44: Final Checks (With The Burner Working)
Start-up, calibration and operation of the burner 5.8.4 Maximum/ low oil pressure switch The low oil pressure switch (Fig. 52) is factory set to 145 PSI (10 bar). D10627 If the oil pressure goes down this value in the delivery piping, the pressure switch stops the burner. -
Page 45: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- Before carrying out any maintenance, cleaning or checking opera- ty, yield and duration of the burner. tions: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. - Page 46 Maintenance Burner Clean the outside of the burner. Measurement of flame sensor Measurement of the sensor’s signal (Fig. 53) with a Voltmeter is not normally required since the flame signal’s intensity is shown on the AZL...display and operating unit. Min. value for a good work: 3.5 Vdc (AZL display flame approx. 50%).
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Page 47: Adjustment Fan Motor Covering With External Rpm
Maintenance Adjustment fan motor covering with external rpm To calibrate the rpm sensor 6)(Fig. 55), proceed as follows: remove the cover 1) unscrewing the screws 2); unscrew or screw the nuts 3) - 5) and the rpm detection disc 4) so that its distance from the rpm sensor 6) is about 2 mm.;... -
Page 48: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions If faults arise in ignition or operations, the burner performs a “safety stop”, which is signalled by the red burner lockout LED. The display visualises alternately the lockout code and the relative diagnostic. -
Page 49: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20142253... - Page 50 Appendix - Spare parts CODE DESCRIPTION • • 20014366 FUSE HOLDER • • 20010969 RELAY • • 3012841 BASE • • 3020071 BASE • • 3020068 RELAY • • 3013354 BUTTON • • 20010962 BUTTON • • 20036017 GREEN SIGNAL LIGHT •...
- Page 51 Appendix - Spare parts CODE DESCRIPTION • • 20011119 DIFFUSER • 20144669 HEAD ASSEMBLY • 20144571 HEAD ASSEMBLY • • 20013160 INSULATOR • • 3013794 CONNECTION • • 20075359 U BOLT • • 20159557 SUPPORT • • 20033305 DIFFUSER • •...
- Page 52 Appendix - Spare parts CODE DESCRIPTION • • 3006723 CONNECTOR • • 20091787 TUBE • • 20029233 FILTER • • 20144595 TUBE • • 20029257 NON-RETURN VALVE • • 3006236 PUMP • • 20159002 MODULATOR • • 3006140 PRESSURE GAUGE •...
- Page 56 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.com RIELLO BURNERS NORTH AMERICA http://www.riello.ca 35 Pond Park Road 2165 Meadowpine Blvd Hingham, Massachusetts, Mississauga, Ontario U.S.A. 02043 1-800-4-RIELLO Canada L5N 6H6 Subject to modifications...