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 6.13.7 Pre and post spark ignition............................22 6.13.8 Remote reset and reset protection ..........................22 6.13.9 Frequency main supply anomaly...........................22 6.13.10Internal voltage monitor anomaly ..........................23 6.13.11Reset push-button or remote reset anomaly ........................23 6.13.12Checking the fan motor ..............................23 6.13.13Checking the oil valve ..............................23 6.13.14EEprom check ................................23 6.14 Post-purging ..................................23...
The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001. Legnago, 01.12.2015 Executive General Manager Research & Development Director RIELLO S.p.A. - Burner Department RIELLO S.p.A. - Burner Department Mr. U. Ferretti Mr. F. Comencini...
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 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;...
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 Technical description of the burner Models available Designation Voltage Code RDB2.2 GKD 1/230/50 20063119 Technical data Model RDB2.2 GKD 1.73 - 2.2 kg/h − 20.5 - 26 kW Output - Thermal power Fuel Light oil, viscosity 1.6 – 6 mm /s at 20 °C...
Technical description of the burner Burner description 20066289 Fig. 2 Pump 12 1st stage air damper adjustment screw 1st stage coil 13 2nd stage air damper adjustment screw 2nd stage coil 14 Electrical motor start up capacitor Reset button with lock-out lamp 15 Head air pressure test point Photocell 16 Light oil suction line...
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 Working position ➤ The burner is designed to operate only in the Any other position could compromise the correct positions 1, and 3 (Fig. 4). operation of the appliance. ➤ Installation 1 is preferable, as it is the only Installation 5 is forbidden for safety reasons.
Installation Burner assembly 5.6.1 Suction cup application To ensure that the suction cup application is cor- rect the burner must be installed on the boiler properly. WARNING The air supply for the combustion takes place thanks to a flexible hose connected to the air intake 1)(Fig. 7). The temperature of the incoming air must not exceed 70 °C.
Usually the tank is lower than the burner. You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the CAUTION tank (Fig. 9 - Fig. 10) and a secondary filter (15 µ...
You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the CAUTION tank (Fig. 11) and a secondary filter (15 µ for ker- osene) are used to protect the burner pump and nozzle from contamination.
Installation 5.10 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.
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Installation 50Hz - 230V Main switch Fuse BOILER BURNER CONTROL BOX MO535-BRSPHF 20067494 Fig. 14 Key to layout (Fig. 14) ➤ Do not swap neutral and phase over, fol- Capacitor low the diagram shown carefully and Fan motor carry out a good earth connection. Hour counter DANGER ➤...
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 Accessing the nozzle, diffuser disc and electrodes Proceed as follows to access the nozzle, the diffuser disc-holder assembly and the electrodes: ➤ Unscrew and remove the fixing nut to the flange and remove the burner from the boiler.
Start-up, calibration and operation of the burner Positionning the optical fibre To position the optical fibre, carry out the following procedure ➤ Carefully tighten the screw 4) to lock the optical fibre 1). (Fig. 17): ➤ Insert the optical fibre 1) into the diffuser disc-holder assem- bly 3) making sure it fits snugly.
Start-up, calibration and operation of the burner Air damper adjustment The air damper is factory set to the values indicated. Tab. E on page 16. The calibrations in the table are approximate. Each appliance has its own operating conditions, which can not be foreseen;...
Start-up, calibration and operation of the burner 6.10 Operation programme 6.10.1 Normal operation 6.10.2 Lock-out due to extraneous light during pre- purging POW ER SUPPLY POW ER SUPPLY Green Blinking Lockout Green Orange Flashing Blinking Green Green Orange Loss of flame during operation (R ecycle max. 3 attempts) Flashing Blinking R ed...
Start-up, calibration and operation of the burner 6.11 Table of timings Symbol Description Value (sec.) Stand-by: The burner is waiting for heat demand ≤ 1 Waiting time for an input signal: reaction time, control box remains in waiting status for t1 Initialization check time: time interval after start main supply Checks extraneous light during t2: waiting status for t2l, after goes in lock-out Oil pre-heating time : waiting status for t2p, after goes in lock-out...
Start-up, calibration and operation of the burner 6.13.1 Pre-heating function If the flame failure 4 times during operations, this will cause a burner lockout. If there is a new heat request during the recycle, The control box has a fuel pre-heating function, and during this the 3 attempts are reset when the limit thermostat (TL) switches.
Start-up, calibration and operation of the burner 6.13.10 Internal voltage monitor anomaly ➤ If the fault is detected during operation, the burner does not stop (it continues operating, but the fault signal will be The control-box automatically detects if the internal voltage active).
Start-up, calibration and operation of the burner 6.16 Programming menu General If the number of pressures on the push-button exceeds the max- imum allowable, the value in memory will remain the maximum The programming menu can only be accessed via the reset push- one.
Start-up, calibration and operation of the burner 6.16.3 Sequence for enable/disable. Intermittent 6.16.5 Sequence for enable/disable second stage operation delay Sequence of pre-heating deactivation Sequence for enable/disable ➤ Allowable programming only during RUNNING operations ➤ Allowable programming only during RUNNING operations mode mode ➤...
Start-up, calibration and operation of the burner 6.17 Lockout types Whenever a lockout occurs, the control box shows the reasons The sequence of led pulses in the reset button issued by the con- for the fault (and the reasons can be identified by the reset button trol box identifies the possible fault types, which are listed in colour).
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.
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Maintenance Make sure there is no dust accumulated inside the fan or its blades, as this could reduce the air out- put, causing polluting combustion. WARNING Perform maintenance operations, being careful not to damage or disrupt the fan during cleaning. Proceed as follows: ➤...
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Maintenance Nozzles It is advisable to replace the nozzles every year during routine maintenance. Avoid cleaning the nozzle openings. Flexible hoses Check that they are in good condition. Fuel tank Every 5 years, or as needed, remove water or impurities that have been deposited at the bottom of the tank, using a separate pump.
Faults / Solutions Faults / Solutions Here below you can find some causes and the possible solutions When lock out lamp lights the burner will attempt to light only after for some problems that could cause a failure to start or incorrect pushing the reset push-button.