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Installation, use and maintenance instructions
Forced draught gas burners
GB
Modulating operation
CODE
20074125 - 20074121
20074122
20074126 - 20074123
20074124
20074127
20074128
20074133 - 20074129
20074130
20074134 - 20074131
20074132
20074135
20074136
MODEL
RS 310/M BLU FS1
RS 410/M BLU FS1
RS 510/M BLU FS1
RS 610/M BLU FS1
RS 310/M BLU FS2
RS 410/M BLU FS2
RS 510/M BLU FS2
RS 610/M BLU FS2
TYPE
1138T
1135T
1136T
1137T
1138T
1135T
1136T
1137T
20079034 (4) - 03/2016
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Related Manuals for Riello 20074125
Summary of Contents for Riello 20074125
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Modulating operation CODE MODEL TYPE 20074125 - 20074121 RS 310/M BLU FS1 1138T 20074122 20074126 - 20074123 RS 410/M BLU FS1 1135T 20074124 20074127 RS 510/M BLU FS1 1136T 20074128 RS 610/M BLU FS1...
- 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 Burner start-up ................................30 Burner ignition................................30 Air / fuel adjustment ..............................30 6.6.1 Burner adjustment..............................31 6.6.2 Output upon ignition..............................31 6.6.3 Maximum output ................................31 6.6.4 Minimum output .................................32 6.6.5 Intermediate outputs ..............................32 Pressure switch adjustment ............................33 6.7.1 Air pressure switch - check CO..........................33 6.7.2 Maximum gas pressure switch...........................33 6.7.3...
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Page 5: Declarations
The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. Manufacturer's Declaration RIELLO S.p.A. declares that the following products comply with the NOx emission limits specified by German standard “1. BIm- SchV revision 26.01.2010”. -
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 Gas oil Gas oil / Methane Heavy oil Size Adjustment: Two stage (light oil) / Proportional valve (gas) Electronic cam Electronic cam with variable speed (with Inverter) Proportional air/gas valve Mechanical cam Emission:... -
Page 10: Models Available
Technical description of the burner Models available Version FS1 Designation Voltage Start-up Code 3/400/50 Star/Triangle 20074125 RS 310/M BLU FS1 3/230/50 Direct 20074121 3/400/50 Direct 20074122 3/400/50 Star/Triangle 20074126 RS 410/M BLU FS1 3/230/50 Direct 20074123 3/400/50 Direct 20074124 RS 510/M BLU FS1... -
Page 11: Technical Data
10.8 Protection level IP 54 STAR - TRIANGLE START UP Model RS 310/M BLU RS 410/M BLU RS 510/M BLU RS 610/M BLU 20074125 20074126 20074127 20074128 Code 20074133 20074134 20074135 20074136 Main electrical supply 3N ~ 400V +/-10% 50 Hz... -
Page 12: Burner Weight
10.6 Protection level IP 54 STAR - TRIANGLE START UP Model RS 310/M BLU RS 410/M BLU RS 510/M BLU RS 610/M BLU 20074125 20074126 20074127 20074128 Code 20074133 20074134 20074135 20074136 Main electrical supply 3N ~ 400V +/-10% 50 Hz... -
Page 13: Maximum Dimensions
Technical description of the burner Maximum dimensions The maximum dimensions of the burner are given in Fig. 2. * The gas adaptor is set also for DN 80 bore. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part turned on the hinge. -
Page 14: Firing Rates
Technical description of the burner Firing rates The MAXIMUM OUTPUT is chosen from within the diagram area The firing rate value (Fig. 3) has been obtained (Fig. 3). considering an ambient temperature of 20°C, an The MINIMUM OUTPUT must not be lower than the minimum atmospheric pressure of 1013 mbar (approx. -
Page 15: Test Boiler
Technical description of the burner Test boiler The burner/boiler combination does not pose any problems if the The firing rates were set in relation to special test boilers, accord- boiler is EC approved and its combustion chamber dimensions ing to EN 676 regulations. are similar to those indicated in the diagram (Fig. -
Page 16: Burner Description
Technical description of the burner 4.11 Burner description 20078854 Fig. 5 Lifting rings 28 Reset button 29 Transparent protection Fan motor The burner can be opened to the right or to the left Air damper servomotor without links to the fuel supply side. Combustion head gas pressure test point Combustion head Ignition electrode... -
Page 17: Electrical Panel Description
Technical description of the burner 4.12 Electrical panel description STAR/TRIANGLE STARTER DIRECT START 20078856 Fig. 6 Ignition transformer Burner state indicator light and reset button. For further information see section “Burner ignition” on page 30 OFF-automatic-manual selector Electrical control box Power increase - power reduction selector Earth terminal Air pressure switch... -
Page 18: 4.13 Lfl/Lgk Control Box
Technical description of the burner 4.13 LFL/LGK control box Warnings To avoid accidents, material or environmental damage, observe the following instructions! The LFL/LGK control box is a safety device! Avoid WARNING opening or modifying it, or forcing its operation. Ri- ello S.p.A. -
Page 19: 4.14 Servomotor Sqm40
Technical description of the burner 4.14 Servomotor SQM40 ... Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the servomo- WARNING tor. ➤ All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ➤... -
Page 20: 4.15 Calibration Of The Thermal Relay
Technical description of the burner 4.15 Calibration of the thermal relay The thermal relay serves to avoid damage to the motor due to an excessive absorption increase or if a phase is missing. For calibration 2), see the table in the wiring diagram. To reset, in case of an intervention of the thermal relay, press the “RESET”... -
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 positions 1 , 2 , 3 and 4 (Fig. 12). ➤ Installation 1 is preferable, as it is the only one that allows the maintenance operations WARNING as described in this manual. ➤... -
Page 23: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Prepare a suitable lifting system using rings 3)(Fig. 14). ➤ Fit the heat insulation supplied onto the blast tube (4) (Fig. 14). ➤ Fit the entire burner onto the boiler hole prepared previously (Fig. -
Page 24: Probe-Electrode Position
Installation Probe-electrode position Check that the probe and the electrode are placed as in Fig. 16, according to the dimensions indicat- WARNING RS 410-510-610/M BLU Probe Electrode RS 310/M BLU Place in line with the hole Fig. 16 20071251 Gas butterfly valve If necessary, replace the gas butterfly valve. -
Page 25: Combustion Head Adjustment
Installation 5.10 Combustion head adjustment Rotate the screw 1) until the notch you have found corresponds with the front surface of the screw itself. The combustion head is opened by turning the screw 1) anti- clockwise. The combustion head is closed by turning the screw 1) clockwise (Fig. -
Page 26: Gas Feeding
Installation 5.11 Gas feeding Explosion danger due to fuel leaks in the pres- MBC “threaded” ence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel interception tap is closed be- fore performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws. -
Page 27: 5.11.2 Gas Train
Installation 5.11.2 Gas train Approved according to standard EN 676 and provided separately Pay attention when handling the train: danger of from the burner. crushing of limbs. To select the correct gas train model, refer to the supplied “Burn- er-gas train combination” manual. Make sure that the gas train is properly installed by checking for any fuel leaks. -
Page 28: 5.11.4 Gas Pressure
Installation 5.11.4 Gas pressure 1 ∆ p (mbar) 2 ∆ p (mbar) Tab. J indicates the minimum pressure drops along the gas sup- G 20 G 25 G 20 G 25 ply line, depending on the maximum burner output. 1200 23.1 34.5 The values shown in Tab. -
Page 29: 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 30: Supply Cables And External Connections Passage
Installation 5.12.1 Supply cables and external connections passage All the cables to be connected to the burner must be threaded through cable grommets. The use of the cable grommets can take various forms; by way of example see Fig. 26. Key (Fig. -
Page 31: 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 32: Burner Start-Up
Start-up, calibration and operation of the burner Burner start-up Turn off the thermostats/pressure switches and check the light Make sure that the lights or testers connected to signal 2) comes on (Fig. 6 on page 15). the solenoids, or the pilot lights on the solenoids Put the selector 1)(Fig. -
Page 33: Burner Adjustment
Start-up, calibration and operation of the burner 6.6.1 Burner adjustment Air adjustment The air is adjusted by varying the angle of cam I) (Fig. 28 on The optimum adjustment of the burner requires an analysis of page 29) and by using the selector 2)(Fig. 29 on page 30). To ad- flue gases at the boiler outlet. -
Page 34: Minimum Output
Start-up, calibration and operation of the burner 6.6.4 Minimum output 6.6.5 Intermediate outputs Min output must be selected within the firing rate range shown on Air adjustment Fig. 3 on page 12. No adjustment is required Press button 2)(Fig. 29 on page 30) “Diminishing output” and keep it pressed until the servomotor regains (Fig. -
Page 35: Pressure Switch Adjustment
Start-up, calibration and operation of the burner Pressure switch adjustment 6.7.1 Air pressure switch - check CO Adjust the air pressure switch (Fig. 33) after performing all other burner adjustments with the air pressure switch set to the start of the scale. -
Page 36: Operation Sequence Of The Burner
Start-up, calibration and operation of the burner Operation sequence of the burner 6.8.1 Burner start-up Normal ignition TL thermostat/pressure switch closure. (n° = seconds from instant 0) Fan motor start. Servomotor starts: 20078983 rotates 90° towards the right, i.e. until the inter- vention of the contact on the cam 4) The air damper is positioned to MAX output. -
Page 37: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safety, yield and duration of the burner. Disconnect the electrical supply from the burner It allows you to reduce consumption and polluting emissions and by means of the main system switch. -
Page 38: Safety Components
Maintenance Combustion 7.2.3 Safety components If the combustion values measured before starting maintenance The safety components should be replaced at the end of their life do not comply with applicable legislation or do not indicate effi- cycle indicated in the following table. cient combustion, consult the Tab. -
Page 39: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions Lockout indicator The LFL1.333RL control box is equipped with a lockout indicator Start-up sequence (Fig. 39) that turns during the start-up programme, and is visible b-b’ Idle stages (without con- from the small lockout window. - Page 40 Faults - Possible causes - Solutions Symbol Problem Possible cause Recommended remedy No electrical power supply Close all switches and check connections A limit or safety thermostat/pressure switch Adjust or replace open Control box lockout Release the control box Control box fuse interrupted Replace it as indicated in Fig.
- Page 41 Faults - Possible causes - Solutions Symbol Problem Possible cause Recommended remedy The gas pressure in the gas mains lies very close to the value to which the minimum gas pressure switch has been set. The sudden drop in pressure after valve open- Reduce the minimum gas pressure switch The burner continues to ing causes temporary opening of the pressure...
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Page 42: Appendix - Accessories
Appendix - Accessories Appendix - Accessories Analogue control signal converter kit Burner Type Code 0/2 - 10V All models 20074479 0/4 - 20mA Kit for modulating operation Burner Output regulator Code All models RWF 50.2 3-POINT OUTLET 20085417 All models RWF 55.5 COMPLETE WITH RS-485 INTERFACE 20074441 All models... -
Page 43: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Contents Indication of references Single line output diagram (RS 310/M BLU 230 V - Direct Start Up) Single line output diagram (RS 310/M BLU 400 V - Direct Start Up) Single line output diagram (RS 410/M BLU 230 V - Direct Start Up) Single line output diagram (RS 410/M BLU 400 V - Direct Start Up) Single line output diagram (RS 310/M BLU 400 V - Star/Triangle Start Up) - Page 44 Appendix - Electrical panel layout 20079034...
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- Page 64 Appendix - Electrical panel layout Wiring layout key Electrical control box Output power regulator RWF40 internal Input in current DC 0...20 mA, 4...20 mA Input in current DC 0...20 mA, 4...20 mA to modify re- mote setpoint Pressure probe Pressure probe Remote setpoint potentiometer Thermocouple probe Probe Pt100, 2 wires...
- Page 68 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...