Riello RLAS 1000 EV Installation, Use And Maintenance Instructions

Dual fuel air atomizing oil/gas burner

Advertisement

Quick Links

Installation, use and maintenance instructions
Dual fuel air atomizing oil/gas burner
GB
Modulating operation
20164347 - 20164348
20164351 - 20164352
CODE
MODEL
RLAS 1000/EV (FGR prepared)
RLAS 1200/EV (FGR prepared)
20146383 (1) - 04/2019

Advertisement

Table of Contents
loading

Summary of Contents for Riello RLAS 1000 EV

  • Page 1 Installation, use and maintenance instructions Dual fuel air atomizing oil/gas burner Modulating operation CODE MODEL 20164347 - 20164348 RLAS 1000/EV (FGR prepared) 20164351 - 20164352 RLAS 1200/EV (FGR prepared) 20146383 (1) - 04/2019...
  • Page 2 Original instructions...
  • Page 3: Table Of Contents

    Contents Information and general instructions ..............3 Information about the instruction manual .
  • Page 4 Contents Final calibration of the pressure switches ............41 Final checks (with the burner working) .
  • 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 1000/EV RLAS 1200/EV (FGR prepared) (FGR prepared) Output delivery Natural MBtu/hr 14.000 39.780 35.800* 20.500 43.000 38.700* High 255* 146.4 276.4* Natural MBtu/hr 4.300 30.7 Fuel Oil #2 Natural gas - Gas max.
  • Page 9: Burner Models Designation

    Technical description of the burner Burner models designation RIELLO RBNA Model Voltage Fan Motor Starting Flame safeguard Code Code RLAS 1000/EV (FGR prepared) 20164347 460/3/60 Inverter Burner Mounted 20141370 RLAS 1000/EV (FGR prepared) 20164348 230/3/60 Inverter Burner Mounted RLAS 1200/EV (FGR prepared)
  • Page 10: Overall Dimensions

    Technical description of the burner Overall dimensions The maximum dimensions of the burner are given in Fig. 2. The overall dimensions of the burner when open are indicated by L and R. Bear in mind that inspection of the combustion head requires the burner to be opened by rotating the rear part on the hinge.
  • Page 11: Burner Capacity

    Technical description of the burner Burner capacity 20162856 RLAS 1200 RLAS 1000 (*) 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).
  • 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 20147279 Fig. 5 Compressed air valve 25 Lever for movement of combustion head Air solenoid valve 26 Max gas pressure switch with pressure test point Air inlet pressure gauge 27 QRI flame detector Oil modulator and gas butterfly valve servomotor 28 Hinge for opening burner Oil modulator...
  • Page 14: Panel Board Description

    Technical description of the burner 3.10 Panel board description 20164636 Fig. 6 Horn 25 Plug/socket for flame sensor Relays 26 Plug/socket for air servomotor Control box transformer “T1” 27 Optional hole Control box for checking flame and air/fuel ratio 28 Electric joint for speed sensor Ignition transformer “TA”...
  • 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.
  • Page 21: Servomotor (Sqm48.4

    Technical description of the burner 3.13 Servomotor (SQM48.4..) 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

    Installation Operating position  The burner is designed to operate only in posi-  Any other position could compromise the cor- tions 1 and 4 (Fig. 11). rect operation of the appliance.  Installation 1 is preferable, as it is the only one ...
  • 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

    Installation Combustion head adjustment Changing the position of the head movement lever 1)(Fig. 16), we 20162848 can obtain different output firing rates (see Tab. K). FIRING RATES HEAD (MBtu/hr) POSITION RLAS 1000/EV RLAS 1200/EV 14000 20500 19156 25000 24312 29500 29468 34000 34624...
  • 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.
  • 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 20162869 Make sure that the flexible hoses to the pump sup- ply and return line are installed correctly. CAUTION Follow the instructions below:  tighten the flexible hoses with the supplied gas- kets. WARNING ...
  • Page 30: Pump

    Installation 4.13 Pump 4.13.1 Technical data Pump SUNTEC TA5 Min. delivery rate at 300 psi pressure 1200 kg/h Delivery pressure range 30 bar / 101 435 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 Installation 4.14.2 Gas pressure 4.14.3 Pilot - gas train connection The burner is fitted with a dedicated gas train that is fixed to the The pressure at the head of the burner from refers pipe coupling. to zero in the combustion chamber; to obtain true pressure, measured by a U-type manometer, add WARNING the counter-pressure of the boiler.
  • 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 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- ous forms. By way of example we indicate the following mode (according to UL795): Three phase power supply with 1”...
  • 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).
  • 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.
  • 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 460V

    Installation 4.18 Motor connection at 460V the motors, manufactured for 460 IE3 NEMA Pre- 20108739 mium Efficiency voltage, have the same connec- tion than IE2/Epact motors. WARNING Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution. Fig.
  • 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  When the limit thermostat (TL) is closed, the “CALL FOR the boiler panel. HEAT” 2)(Fig. 45) signal must be on and the burner starts the ...
  • Page 42: Burner Ignition

    Start-up, calibration and operation of the burner 5.6.1 Direction of motor rotation When the burner starts, check the direction of the motor rotation, as indicated in Fig. 47. If the burner is not equipped with a device to check WARNING the phases sequence, the motor could rotate incor- rectly.
  • 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 1000-1200 burner model, the air pressure switch is connected in absolute mode and is activated by the positive pres- sure from the fan (Fig. 48). D3854 Adjust the air pressure switch (Fig.
  • Page 44: Final Checks (With The Burner Working)

    Start-up, calibration and operation of the burner Final checks (with the burner working)   Open the control limit operation The burner must stop  Open the high limit operation  Rotate the maximum gas pressure switch knob to the mini- ...
  • 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. 20162894 Measurement of detector current Measurement of the detector’s signal (Fig. 52) with a Voltmeter is not normally required since the flame signal’s intensity is shown on the AZL...display and operating unit. Min.
  • Page 47 Maintenance 6.2.5 Electrical panel maintenance Turn off the burner's power supply using the main system switch. DANGER In the event of maintenance/replacement of components in the low- er part of the electrical panel, access is possible via the front of the panel itself, following the directions below: ...
  • Page 48: Opening The Burner

    Maintenance Opening the burner Wait for the components in contact with heat sourc- Disconnect the electrical supply from the burner by es to cool down completely. means of the main system switch. DANGER For the burner opening, see “Access to head internal part” on page 22.
  • Page 49: 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 50: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20146383...
  • Page 51 Appendix - Spare parts CODE DESCRIPTION 20010969 • • RELAY 3012841 • • BASE 3020068 • • RELAY 3020071 • • BASE 20014366 • • FUSE HOLDER 3012956 • • TRANSFORMER 3013284 • • TRANSFORMER 3013363 • • CONNECTOR 3013283 •...
  • Page 52 Appendix - Spare parts CODE DESCRIPTION 20158689 • • TUBE 20158690 • • TUBE 20158691 • • LANCE 20027080 • • PISTON SEALS 3013933 • • INSPECTION WINDOW 20068181 • • SEAL 20039362 • • PROBE 20014103 • • PRESSURE SWITCH 3005447 •...
  • Page 53 Appendix - Spare parts CODE DESCRIPTION 20132849 • • CONNECTOR 20029212 • • SAFETY VALVE 20144620 • • TUBE 20029233 • • 20158713 • • TUBE 20158779 • • FILTER 20045909 • 20093001 • 20069312 • • SERNSOR A DVISED PARTS = Spare parts for minimum fittings = Spare parts for basic safety fittings A+B+C = Spare parts for extended safety fittings...
  • 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...

This manual is also suitable for:

Rlas 1200 ev20164347-2016434820164351-20164352

Table of Contents