Related Manuals for Riello RLS 190/E
Summary of Contents for Riello RLS 190/E
- Page 1 Installation, use and maintenance instructions Dual fuel light oil/gas burners Progressive two stage or modulating operation CODE MODEL C9337400 RLS 190/E C9337410 RLS 190/E C9337401 RLS 190/E 20095074 (3) - 11/2018...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents 4.14.1 Electro-mechanical thermal relay ..............29 4.14.2 Electronic thermal relay .
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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: Delivery Of The System And The Instruction Manual
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 RLS 190/E Output High MBtu/hr 3553 - 7560 (6874*) 1041 - 2215 (2014*) Delivery 25.3 - 54 (49.1*) MBtu/hr 1992 14.2 Fuel #2 Fuel oil - Natural gas Gas pressure at maximum delivery “... -
Page 9: Burner Models Designation
The maximum dimension of the burner when open, without casing, is give in measurement I. Inspection of the combustion head requires the burner to be opened and the rear part withdrawn on the slide bars. 20100196 Fig. 2 Model RLS 190/E 54“ 2“ 32“ 64“ 32“... -
Page 10: Firing Rate
D11127 MINIMUM OUTPUT must not be lower than the minimum limit shown in the diagram. Model MBtu/hr RLS 190/E 1880 14.7 The FIRING RATE area values have been obtained considering an ambient temperature of 68 °F, and an atmospheric pressure of 394” WC and with the combustion head adjusted as shown on page 31. -
Page 11: 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
Technical description of the burner 3.6.1 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 bar. press. bar. -
Page 12: Minimum Furnace Dimensions
Technical description of the burner Minimum furnace dimensions The firing rates were set in relation to certified test boilers. Diameter (inches) Fig. 4 indicates the diameter and length of the test combustion chamber. Example Output 2579 MBtu/hr: diameter 24 inch - length 6.6 ft. Fig. -
Page 13: Burner Description
Technical description of the burner 3.10 Burner description Combustion head Ignition electrodes Screw for combustion head adjustment Sleeve Fan motor RWF55 modulator (with analog output 4-20 mA) Fan motor contactor and thermal relay with reset button Flame sensor Burner terminal strip “X1” Holes for cables grommets for electrical wirings, accessories and power supply (to be carried out by the installer) 11 Control box for checking flame and air/fuel ratio... -
Page 14: Control Box For The Air/Fuel Ratio (Lmv36
Technical description of the burner 3.11 Control box for the air/fuel ratio (LMV36...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes must be observed! WARNING The LMV36... is a safety device! Do not open, interfere with or modify the unit. - Page 15 Technical description of the burner Technical data LMV36... basic unit Mains voltage AC 120 V -15 % / +10 % Mains frequency 50 / 60 Hz ±6 % Power consumption < 30 W (typically) Safety class I, with parts according to II and III to DIN EN 60730-1 Terminal loading Unit fuse F1 (internally) 6.3 AT...
- Page 16 Technical description of the burner Operation sequence of the burner Operation Startup Shutdown Valve proving TSA2 TSA1 Phase number Safety limit thermostat (STB) Control thermostat or pressurestat (R) Flame signal (FS) Air pressure switch (LP) Pressure switch-min (Pmin) Pressure switch-max (Pmax) Valve proving / leakage test (P LT) POC (alternative to Pmax) Motor (M)
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Page 17: Actuators (Sqm33.5
Technical description of the burner 3.12 Actuators (SQM33.5...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! WARNING Do not open, interfere with or modify the actua- tors! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. -
Page 18: 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 19: Burner Raising
Model short ” inch ” ” - 14 ” RLS 190/E long (with kit) ” Tab. J Tab. I For boilers with front flue passes 13) or flame inversion chambers, insulation material 11) must be inserted between the refractory 12) and the blast tube 10). -
Page 20: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Detach the combustion head from the burner, (Fig. 12): install the extension bars 31) Fig. 6, page 11 and re-screw the disconnect the oil pipes by unscrewing the two connectors 6); screws 2) including the safety plate 15);... -
Page 21: Nozzle Installation
The burner complies with the emission requirements of the UL 296 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 nozzles every year during regular maintenance operations. -
Page 22: Adjusting The Nozzle Flow Rate
Installation 4.7.2 Adjusting the nozzle flow rate The nozzle flow rate varies according to the fuel pressure on the nozzle return. Diagram (Fig. 17) indicates this relationship for type A4 return flow nozzles with pump delivery pressure of 290 PSI. See Fig. 17: Horizontal axis: PSI, nozzle return pressure Vertical axis:... -
Page 23: Ignition Pilot Adjustment
Installation Ignition pilot adjustment Place the pilot and electrode as shown in (Fig. 18). E LE C T R O D E S ELECTRODES The pilot works correctly at pressures ranging from 6 - 12” WC. 3" IG N IT IO N P ILO T IGNITION PILOT D10829 Fig. -
Page 24: Burner Refitting
Installation 4.10 Burner refitting Refit the burner to the slide bars 3)(Fig. 22) at approximately When fitting the burner on the two slide bars, it is 4” from the sleeve 4) - burner positioned as shown in (Fig. 12, advisable to gently draw out the high tension cables page 18) - insert the ignition electrode cables. -
Page 25: Light Oil Supply
Installation 4.11 Light oil supply Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel interception tap 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 26: Hydraulic Connections
Installation 4.11.2 Hydraulic connections The pumps are equipped with a by-pass that separates return line with suction line (Fig. 24). The pumps are installed on the burner with the by-pass closed by screw 6)(Fig. 25). It is therefore necessary to connect both hoses to the pump. The pump seal will be damaged immediately if it is run with the return line closed and the by-pass screw inserted. -
Page 27: Gas Feeding
Installation 4.12 Gas feeding Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel interception tap 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 28: Gas Pressure
Installation 4.12.2 Gas pressure D11133 The adjacent diagrams are used to calculate manifold pressure taking into account combustion chamber pressure. Gas manifold pressure measured at test point 1)(Fig. 29), with: • combustion chamber at 0” WC • burner operating at maximum output •... -
Page 29: Electrical Wiring
Installation 4.13 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 carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination. -
Page 30: Supply Cables And External Connections Passage
Installation 4.13.1 Supply cables and external connections passage All the cables to be connected to the burner are fed through the grommets. See figure on the right. The use of the cable grommets can take various forms. By way of example we indicate the following mode (according to UL795): 1 Three phase power supply with 3/4 inch cable grommet 2 Available: single phase power supply and other devices with... -
Page 31: Thermal Relay Calibration
Installation 4.14 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.14.2 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 32: Motor Connection At 208-230 Or 460V
Installation 4.15 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 IE2/ voltage, maintenance, or substitution. Epact voltage, have a different connection than IE1 motors, no more star/delta but star/double star. WARNING IE2/Epact D3686... -
Page 33: 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 34: Adjustments Before First Firing (Gas Operation)
Start-up, calibration and operation of the burner Adjustments before first firing (gas operation) Adjustment of the combustion head has been illustrated on Before starting up the burner it is good practice to adjust the gas page 21. train so that ignition takes place in conditions of maximum safety, i.e. -
Page 35: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.7.1 Air pressure switch The air pressure switch is connected in differential (Fig. 44) and is activated by both the negative pressure of the air intake and the air pressure from the fan. -
Page 36: Minimum Gas Pressure Switch
Start-up, calibration and operation of the burner 5.7.3 Minimum gas pressure switch Adjust the minimum gas pressure switch after having performed all the other burner adjustments with the pressure switch set at the start of the scale (Fig. 46). With the burner operating at MAX output, increase adjustment pressure by slowly turning the relative dial clockwise until the burn- er locks out. -
Page 37: Burner Starting
Start-up, calibration and operation of the burner Burner starting Operating control closes, the motor starts. The pump 3)(Fig. 48) draws the fuel from the tank through the piping 1) and pumps it under pressure for delivery. The piston 4) rises and the fuel returns to the tank through the piping 5) - 7). -
Page 38: Final Checks (With The Burner Working)
Start-up, calibration and operation of the burner 5.10 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- mum end-of-scale position ... -
Page 39: 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 40: Safety Components
Maintenance Flame inspection window Burner Clean the flame inspection window 1)(Fig. 50). Check for excess wear or loose screws. Also make sure that the screws securing the electrical leads in the burner connections are fully tightened. Clean the outside of the burner. Combustion Adjust the burner if the combustion values found at the beginning of the operation do not comply with the regulations in force, or at... -
Page 41: Opening The Burner
Maintenance Opening the burner To open the burner proceed sa follows: loosen screws 1) and withdraw the cover 2); Disconnect the electrical supply from the burner by disengage the swivel coupling 7) from the graduated sector; means of the main system switch. ... -
Page 42: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20095074... - Page 43 Appendix - Spare parts CODE DESCRIPTION BURNER SERIAL NUMBER • • • 20056809 AIR DAMPER ASSEMBLY ≤ 02413XXXXXX • • • 20073258 AIR DAMPER ASSEMBLY ≥ 02423XXXXXX • • • 3013683 PROTECTION GRATE • • • 3013682 SOUND DAMPING • • • 3003763 INSPECTION WINDOW •...
- Page 44 Appendix - Spare parts CODE DESCRIPTION BURNER SERIAL NUMBER • • • 20031020 ELBOW • • • 20027422 SELECTOR SWITCH • • • 3007891 SEAL • • • 3013055 TUBE • • • 3012969 GAS PRESSURE SWITCH • • • 3012956 TRANSFORMER •...
- Page 45 Appendix - Spare parts CODE DESCRIPTION BURNER SERIAL NUMBER • • • 3003204 SEAL • • • 3007150 O-RING • • • 3003287 COIL • • • 20028386 MODULATOR • • • 3006723 CONNECTOR • • • 3009081 CONNECTOR • • • 3012126 CONNECTOR •...
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Page 46: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories • Kit for lengthening the combustion head Length obtainable with Burner Standard length Code RLS 190/E ” ” 20030482 • Head kit for “reverse flame chamber” Burner Code RLS 190/E 3010241 • Gas train according to UL Standards... -
Page 47: Appendix - Burner Start Up Report
Appendix - Burner start up report Appendix - Burner start up report Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire : Low Fire Main Power Supply: High Fire Control Power Supply: CO: Low Fire... - Page 48 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...