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Related Manuals for Riello RS 68/EV O2 BLU
Summary of Contents for Riello RS 68/EV O2 BLU
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Modulating operation CODE MODEL TYPE 20172153 RS 68/EV O2 BLU 846T2 20172154 RS 68/EV O2 BLU 846T2 20154943 RS 120/EV O2 BLU 847T2 20172155 RS 120/EV O2 BLU 847T2 20155480 (4) - 10/2021...
- Page 2 Translation of the original instructions...
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Page 3: Table Of Contents
Contents Declarations....................................5 Information and general warnings............................6 Information about the instruction manual ........................6 2.1.1 Introduction.................................. 6 2.1.2 General dangers................................6 2.1.3 Other symbols ................................6 2.1.4 Delivery of the system and the instruction manual...................... 7 Guarantee and responsibility............................7 Safety and prevention................................ - Page 4 Contents Burner adjustment..............................33 6.4.1 Firing output ................................33 6.4.2 Maximum output ................................33 6.4.3 Minimum output .................................33 Final calibration of the pressure switches ........................34 6.5.1 Air pressure switch..............................34 6.5.2 Maximum gas pressure switch...........................34 6.5.3 Minimum gas pressure switch............................35 6.5.4 PVP pressure switch kit .............................35 Steady-state operation ...............................35 Ignition failure................................35 Burner flame goes out during operation........................35...
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Page 5: Declarations
Such products are marked as follows: CE-0085BS0267 RS 68/EV O CE-0085BS0268 RS 120/EV O The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015. Legnago, 03.05.2021 Research & Development Director RIELLO S.p.A. - Burner Department Mr. F. Maltempi 20155480... -
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 the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety 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 Range : Fuel : Natural gas Light oil Light oil / Natural gas Heavy oil Size Adjustment : Electronic cam Electronic cam and variable speed (with Inverter) Mechanical cam Proportional air/gas valve Electronic cam and suitable for Oxygen Control (O EV O... -
Page 10: Burner Categories
Technical description of the burner Burner categories Paese di destinazione Categoria gas LU,PL I2E(R) I2EK I2ELL I2Er AT-BG-CH-CZ-DK-EE-ES-FI-GB-GR-HU-IE-IS-IT-LT-LV-NO PT- RO-SE-SI-SK-TR Tab. B Technical data RS 68/EV O RS 120/EV O Model Output Max. 350 ÷ 860 600 ÷ 1300 Mcal/h 301 ÷... -
Page 11: Maximum Dimensions
Technical description of the burner Maximum dimensions The dimensions of the burner are shown in Fig. 1. The dimensions of the open burner are indicated by position V-V. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part drawn back on the guides. 20150720 T - T ( 1 ) I ( 1 ) *... -
Page 12: Firing Rate On Basis Of Air Density
Technical description of the burner 4.7.1 Firing rate on basis of air density If H3 is greater than H1)(Fig. 3), the burner can produce the de- livery requested. The firing rate of the burner shown in the manual is valid for a If H3 is less than H1, it is necessary to reduce the output of the room temperature of 20°C and an altitude of 0m above sea level burner. -
Page 13: Test Boiler
Technical description of the burner Test boiler The firing rates were obtained in special test boilers, according to The coupling is ensured when the boiler is EC type-approved; for EN 676 regulations. boilers or ovens with combustion chambers of very different di- mensions compared to those shown in the diagram of Fig. -
Page 14: Burner Description
Technical description of the burner 4.10 Burner description View from A 23 8 20123743 37 36 Fig. 5 Combustion head 33 Hole available Ignition electrode 34 “POWER ON” indicator light Screw for combustion head adjustment 35 “FUEL ON” indicator light Maximum gas pressure switch 36 “K3”... -
Page 15: Control Box For The Air/Fuel Ratio (Lmv52
Technical description of the burner 4.11 Control box for the air/fuel ratio (LMV52...) Warnings To avoid accidents, material or environmental damage, observe the following instructions! The LMV52 control box... is a safety device! Avoid WARNING opening or modifying it, or forcing its operation. Ri- ello S.p.A. - Page 16 Technical description of the burner Electrical connection of ionization probe and flame detector • Respect the allowed cable lengths. It is important for signal transmission to be almost totally free • The ionisation probe is not protected against the risk of elec- of any disturbances or loss: trocution.
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Page 17: 4.12 Servomotor
Technical description of the burner 4.12 Servomotor Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the ac- tuators. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ... -
Page 18: Pll52
Technical description of the burner 4.13 PLL52... module (optional) Warnings To avoid accidents, material or environmen- tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the de- vice. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ... -
Page 19: Oxygen Sensor Qgo20
Technical description of the burner 4.14 Oxygen sensor QGO20 ... (optional) Warnings To avoid accidents, material or environmen- S9895 tal damage, observe the following instruc- tions! WARNING Avoid opening, modifying or forcing the oxy- gen sensor. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. -
Page 20: 4.14.1 Technical Data Qgo20
Technical description of the burner 4.14.1 Technical data QGO20 Operating voltage of measuring cell’s: – QGO20.000D27 AC 230 V ±15 % – QGO20.000D17 AC 120 V °15 % (only with LMV52 ... with PLL52...) Mains frequency: 50...60 Hz ±6 % Power consumption: Max. -
Page 21: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will The installation of the burner must be carried out be installed, and arranging the correct lighting of the environ- by qualified personnel, as indicated in this manual ment, proceed with the installation operations. -
Page 22: Operating Position
Installation Operating position The burner is designed to operate only in Any other position could compromise the cor- positions 1 , 2 , 3 and 4 (Fig. 11). rect operation of the appliance. Installation 1 is preferable, as it is the only ... -
Page 23: Blast Tube Length
Installation 5.5.3 Blast tube length For boilers with front flue passes 13)(Fig. 16 at page 24), or flame inversion chambers, a protection in refractory material 11) must The length of the blast tube must be selected according to the in- be inserted between the boiler refractory 12) and the blast tube dications provided by the manufacturer of the boiler, and in any 10). -
Page 24: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Before fixing the burner to the boiler, check for the model RS 120/EV BLU, if its maximum output is Provide an adequate lifting system of the burner. included in area A or B of the firing rate (Fig. 2 at page 11). -
Page 25: Pre-Calibrating The Combustion Head
Installation Pre-calibrating the combustion head The head must be pre-calibrated for model RS 120/EV O BLU only, if its maximum output is within area B of the firing rate (Fig. 2 at page 11). WARNING Proceed as follows: remove the 8 screws 2)(Fig. 17); ... -
Page 26: Burner Closing
Installation External air R1 adjustment Rotate the screw 4)(Fig. 19) until the notch you have found corresponds with the front surface 5) of the flange. (R 1) To facilitate adjustment, loosen the screw 6), adjust and then lock. WARNING (R 2) Central gas/air R2 adjustment ... -
Page 27: Gas Feeding
Installation 5.11 Gas feeding Explosion danger due to fuel leaks in the pres- ence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure that 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: 5.11.2 Gas Train
Installation 5.11.2 Gas train Type-approved in accordance with EN 676 and supplied sepa- rately from the burner. 5.11.3 Gas train installation Disconnect the electrical power using the main system switch. DANGER D722 Check that there are no gas leaks. Fig. 25 Beware of train movements: danger of crushing of limbs. -
Page 29: 5.11.4 Gas Pressure
Installation 5.11.4 Gas pressure Example with natural gas G 20 for RS 120/EV O BLU: Required burner maximum output operation: 955 kW Tab. O indicates the pressure drop of the combustion head and Gas pressure at output of 955 kW 14.0 mbar the gas butterfly valve depending on the operating output of the Pressure in combustion chamber... -
Page 30: Electrical Wiring
Installation 5.12 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 31: 5.12.2 Speed Sensor Adjustment
Installation Key (Fig. 28) It is very important to shield the motor cable 1) Motor supply cable as shown in Fig. 28. Single phase supply cable The connection from the Inverter to LMV52..Connection from the inverter to LMV52... WARNING must be done as shown in Fig. -
Page 32: 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 33: 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 and turn the switch to Fig. 31 “ AUTO” . Make sure that the lights or testers connected to the solenoids, or the pilot lights on the solenoids themselves, indicate that no voltage is present. -
Page 34: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 6.5.1 Air pressure switch Adjust the air pressure switch (Fig. 32) after having performed all other burner adjustments with the air pressure switch set to the start of the scale. With the burner working at MIN output, insert a combustion analyser in the stack, slowly close the suction inlet of the fan (for example, with a piece of cardboard) until the CO value does not... -
Page 35: Minimum Gas Pressure Switch
Start-up, calibration and operation of the burner 6.5.3 Minimum gas pressure switch The purpose of the minimum gas pressure switch is to prevent the burner from operating in an unsuitable way due to too low gas pressure. Adjust the minimum gas pressure switch (Fig. 32) after having adjusted the burner, the gas valves and the gas train stabiliser. -
Page 36: Stopping Of The Burner
Start-up, calibration and operation of the burner Stopping of the burner The burner can be stopped by: intervening on the disconnecting switch of the electrical sup- ply line, located on the boiler panel; removing the cover and working on the switch “ 0-AUTO ” of Fig. -
Page 37: Description Of O2 Trim Control (Optional)
Start-up, calibration and operation of the burner 6.11 Description of O trim control (optional) A special feature of the LMV52… is control of the residual O The following generic diagram shows the system (Fig. 36). content to increase the boiler’s efficiency. The LMV52… uses a QGO20…, an external PLL52…, and the standard components of the LMV51…... -
Page 38: 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 oper- safety, yield and duration of the burner. ations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 39: Measuring The Ionisation Current
Maintenance Gas leaks Make sure that there are no gas leaks on the pipes between the gas meter and the burner. Gas filter Replace the gas filter when it is dirty. Flame inspection window Clean the glass of the flame inspection window. Boiler Clean the boiler as indicated in its accompanying instructions in order to maintain all the original combustion characteristics intact,... -
Page 40: Opening The Burner
Maintenance Opening the burner Loosen the 4 screws 1)(Fig. 39) and remove the hood 2); assemble the two extensions supplied on the slide bars 4) Disconnect the electrical supply from the burner and tighten the screws 7); by means of the main system switch. ... -
Page 41: A Appendix - Accessories
Appendix - Accessories Appendix - Accessories Long head kit Standard head length Extended head length Burner Code (mm) (mm) RS 68-120/EV O 3010177 Spacer kit Burner Thickness (mm) Code RS 68-120/EV O 3010129 Continuous purging kit Burner Code RS 68-120/EV O 3010094 Soundproofing chamber kit Burner... - Page 42 Appendix - Accessories Oxygen control kit Burner Code RS 68-120/EV O 20045187 Kit efficiency with oxygen control Burner Code RS 68-120/EV O 3010377 Kit for additional 2 transformer (AGG5..) Burner Code RS 68-120/EV O 20044117 Gas trains in compliance with EN 676 Please refer to manual.
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Page 43: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Layout of unifilar output Operational layout LMV52... Operational layout LMV52... Operational layout LMV52... Operational layout LMV52... Operational layout LMV52... Operational layout LMV52... Operational layout LMV52... Electrical connection set by installer Electrical connection set by installer (PLL 52 ...) Electrical connection set by installer... - Page 44 Appendix - Electrical panel layout 20155480...
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- Page 54 Appendix - Electrical panel layout 20155480...
- Page 55 Appendix - Electrical panel layout 20155480...
- Page 56 Appendix - Electrical panel layout 20155480...
- Page 57 Appendix - Electrical panel layout Wiring layout key O2 module - PLL type Control box for the air/fuel ratio Display control box Suppressor Load indicator Probe for external modulation 4…20mA Input in current DC 4...20 mA Input in current DC 4...20 mA to modify remote set- point Burner components Boiler components...
- Page 60 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...