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................................
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Contents 6.5.1 Air adjustment for maximum output ...........................26 6.5.2 Air/fuel adjustment and output modulation system ....................26 Pressure switch adjustment ............................27 6.6.1 Air pressure switch - check CO..........................27 6.6.2 Maximum gas pressure switch...........................27 6.6.3 Minimum gas pressure switch............................27 6.6.4 PVP pressure switch kit .............................27 Maintenance ....................................28 Notes on safety for the maintenance .........................28 Maintenance programme ............................28...
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”.
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;...
Information and general warnings The system supplier must carefully inform the user about: 2.1.4 Delivery of the system and the instruction – 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;...
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.
Technical description of the burner Burner categories - Countries of destination Gas category Destination country SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO 2ELL 2E(R)B LU - PL...
Technical description of the burner Firing rates The MAXIMUM OUTPUT is chosen from within the diagram area The firing rate value (Fig. 2) has been obtained (Fig. 2). considering an ambient temperature of 20C, an The MINIMUM OUTPUT must not be lower than the minimum atmospheric pressure of 1013 mbar (approx.
Technical description of the burner Test boiler The burner/boiler combination does not pose any problems if the The firing rates were obtained in special test boilers, according to boiler is EC approved and its combustion chamber dimensions EN 676 regulations. are similar to those indicated in the diagram (Fig.
Technical description of the burner 4.10 Burner description 1 2 2 4 20121388 Fig. 4 Lifting rings 20 Maximum gas pressure switch with pressure test point 21 Flame sensor probe Fan motor 22 Hinge for opening the burner Air damper servomotor 23 Pressure test point for air pressure switch “+”...
Technical description of the burner 4.11 Electrical panel description D3286 Fig. 5 kit plugs-sockets Clean contacts output relay Electronic cam transformer Calibration device with electronic cam Ignition transformer sensor terminal board Stop push-button Off-automatic selector Bracket for shielding and fixing shielded cables of the regu- lating probes 10 Warning lamp for voltage of auxiliaries 11 Fan motor lock-out warning lamp...
Technical description of the burner 4.12 Control box for the air/fuel ratio (LMV52...) Warnings – Static charges must be avoided since they can damage the control box’s electronic components when touched. To avoid accidents, material or environmental damage, observe the following instructions! The LMV52 control box...
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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.
Technical description of the burner 4.13 Servomotor (SQM48.4..) 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. ...
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.
Installation Operating position The burner is designed to operate only in positions 1, 2, 3 and 4 (Fig. 9). Installation 1 is preferable, as it is the only WARNING one that allows the maintenance operations as described in this manual. ...
Installation Securing the burner to the boiler Prepare a suitable lifting system using the rings 3)(Fig. 12), after removing the fixing screws 7) of the casing 8). Fit the heat insulation supplied onto the blast tube (4) (Fig. 12). ...
Installation 5.10 Combustion head adjustment The air damper servomotor 4)(Fig. 4 on page 12), beyond vary- ing the air output according to the output demand, through a lev- erage varies the combustion head adjustment. In the factory, the hole is adjusted for the minimum stroke (hole Varying the tie-rod position on the holes 2) and 3) (Fig.
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 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.
Installation 5.11.2 Gas train Type-approved in accordance with EN 676 and supplied sepa- Beware of train movements: danger of crushing of rately from the burner. limbs. To select the correct model of the gas train, refer to the “burner- gas train combination” manual supplied. Make sure that the gas train is properly installed by checking for any fuel leaks.
Installation 5.11.4 Gas pressure 1 p (mbar) 2 p (mbar) G 20 G 25 G 20 G 25 The Tab. J indicates the pressure drop of the combustion head 1,245 11.6 and the gas butterfly valve depending on the operating output of 1,500 13.9 the burner.
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.
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.
Start-up, calibration and operation of the burner Combustion air adjustment 6.5.2 Air/fuel adjustment and output modulation Fuel/combustion air synchronization is done with the relevant servomotors (air and gas) by logging a calibration curve by system means of the electronic cam. The air/gas regulator and output modulation system equipping It is advisable, to reduce the loss and for a wide calibration field, RS/EV series burners performs a number of integrated functions...
Start-up, calibration and operation of the burner Pressure switch adjustment 6.6.1 Air pressure switch - check CO Adjust the air pressure switch (Fig. 27) after performing all other burner adjustments with the air pressure switch set to the start of the scale.
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.
Maintenance Combustion Air excess If the combustion values found at the start of the intervention do EN 676 Max. output Max. output not satisfy current standards or anyway indicate a poor state of 1.2 1.3 combustion (consult the Tab. K), contact the Technical Assis- tance Service for the necessary adjustments.
Maintenance Opening the burner Remove the tie-rod 1)(Fig. 33) of the head movement lever, undoing the nut 2). Disconnect the electrical supply from the burner Disconnect the socket 3) of the gas servomotor. by means of the main system switch. ...
Faults - Probable causes - Solutions Faults - Probable 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 rela- tive diagnostic.
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Appendix - Electrical panel layout Wiring layout key Electronic cam Gas adjustment valve + gas safety valve O2 module PLL... type Main terminal supply board Display and calibration unit X6.7 O2 kit plugs-sockets Input in current DC 4...20 mA XAUX Auxiliary terminal board Input in current DC 4...20 mA to modify remote set- XAZL...