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;...
Information and general instructions The system supplier must carefully inform the user about: 1.1.4 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 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.
Technical description of the burner 3.2.2 Three phase burner Model RLS 70/M RLS 100/M RLS 130/M RBNA Code C9334500 C9335500 C9336500 Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/-10%) V/Ph/Hz 208-220/3/60 Fan motor IE2/EPACT 3400 3500 3500 208-230...
Technical description of the burner Model RLS 70/M RLS 100/M RLS 130/M RBNA Code Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/-10%) V/Ph/Hz 575/3/60 Fan motor IE2/EPACT 3400 3500 3500 Pump motor IE2/EPACT 3520 Ignition transformer V1 - V2...
Packaging - weight - Approximate measurements The burners are skid mounted. Outer dimensions of packaging are indicated in Tab. G. The weight of the burner complete with packaging is indicated in Tab. G. inch RLS 70/M 64“ 32“ 8“ RLS 100/M 64“...
Technical description of the burner Firing rates MAXIMUM OUTPUT must be selected in area A (Fig. 3). RLS 70/M MINIMUM OUTPUT must not be lower than the minimum limit shown in the diagram: Model MBtu/hr RLS 70/M RLS 100/M 1330...
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Technical description of the burner CORRECTED BURNER CAPACITY ACCORDING TO ALTITUDE Altitude m a.s.l. 1220 1525 1830 2135 2440 Rated Capacity ft a.s.l 1000 2000 3000 4000 5000 6000 7000 8000 1000 1000 1023 1061 1101 1142 1186 1232 1282 1337 1500 1481...
Technical description of the burner Minimum furnace dimensions The firing rates were set in relation to certified test boilers. Example: Fig. 4 indicates the diameter and length of the test combustion Output 4000 MBtu/hr - diameter 24 inch - length 8.2 ft. chamber.
Technical description of the burner Burner description Combustion head Ignition electrodes Screw for combustion head adjustment Sleeve Oil ignition transformer Fan motor Fan motor contactor and thermal cut-out with reset button UV scanner Terminal strip Knock-outs for electrical connections by installer 11 Switch “OFF-ON”...
Technical description of the burner 3.10.1 RM7840 ... sequence diagram S8160 Fig. 7 The installation of the device must be carried out by For further and specific information (setting and service work, etc.), qualified personnel, as indicated in this manual and please refer to the specific instruction of the control box.
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.
This protective insulation must not compromise the extraction of the blast tube. Model For boilers having a water-cooled front, the insulation 11)-12) RLS 70/M “ (Fig. 10) is not required unless it is required by the boiler manufac- RLS 100-130/M “...
Installation Securing the burner to the boiler remove the 2 screws 4) and pull the burner back on slide bars Detach the combustion head from the burner, (Fig. 10): disconnect the oil pipes by unscrewing the two connectors 6); 5) by about 4”;...
Installation 4.8.2 Adjusting the nozzle flow rate Type A4 return flow nozzle (45°) The nozzle flow rate varies according to the fuel pressure on the Delivery pressure 290 PSI nozzle return. Diagram (Fig. 14) indicates this relationship for type A4 return flow nozzles with pump delivery pressure of 290 PSI.
Installation Electrode position Make sure that the electrodes are positioned as shown in Fig. 16. WARNING D10108 3/ 32" Fig. 16 4.10 Burner refitting Refit the burner to the slide bars 3)(Fig. 17) at approximately connect the oil pipes again by screwing on the two connectors 4”...
Installation 4.11 Light oil supply Explosion danger due to fuel leaks in the presence L (ft) of a flammable source. Ø (inch) Precautions: avoid knocking, attrition, sparks and (ft) 3/8” 1/2” 5/8” heat. + 13 Make sure the fuel interception tap is closed before + 10 performing any operation on the burner.
Installation 4.11.3 Hydraulic connections Insert the hose connections with the supplied seals into the con- nections and screw them down. The pumps are equipped with a by-pass that separates return line Take care that the hoses are not stretched or twisted during instal- and suction line.
Installation 4.12 Gas supply Explosion danger due to fuel leaks in the presence 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 4.12.3 Gas pressure RLS 70/M The adjacent diagrams are used to calculate manifold pressure taking into account combustion chamber pressure. Gas manifold pressure measured at test point 1)(Fig. 23), with: • combustion chamber at 0” WC • burner operating at maximum output •...
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.
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 termal relay (used for single phase motors) press the button “RESET”...
Installation 4.15 Motor connection at 208-230 or 460V WARNING: the motors, manufactured for 208-230/460 IE2/Epact voltage, have a different connection than IE1 motors, no more star/delta but star/double star. Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution. IE2/Epact S8380 S8379...
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 Servomotor The servomotor gives simultaneous regulation of the air damper Blue wire through the variable cam profile 4)(Fig. 38) the gas butterfly valve and the oil modulator. It rotates by 130° in approx. 35 s. The factory settings must not be changed for the first firing, just Black wire check that they comply with the details below.
Start-up, calibration and operation of the burner 5.3.1 Cams and trim potentiometers functions Cam 1: 130° - Limits rotation towards maximum for gas Cam 2: 0° - Limits rotation towards minimum, air damper closed on stand by Cam 3: 20° - Limits gas ignition and min. position Cam 4: 130°...
Ignition pilot adjustment Place the pilot and electrode as shown in Fig. 45. The pilot works correctly at pressures ranging from 3-4” WC. Model 7 / 32” RLS 70/M 11 / 16” RLS 100/M 23 / 32” RLS 130/M D10875 Fig.
Start-up, calibration and operation of the burner Burner starting (fuel oil adjustment) Turn the selection switch 36)(Fig. 5, page 13), to the “OIL” position. Perform a visual setting (without taking a smoke test), which will be perfected after setting the gas. ...
Start-up, calibration and operation of the burner Burner starting (gas adjustment) Turn the selector switch 36)(Fig. 5, page 13), to the “GAS/AUTO” Do not change the profile of cam 11), which has al- position. ready been set for gas. Turn the selector 38)(Fig. 5, page 13) to the “MAN” position . WARNING 5.7.1 Maximum output...
Start-up, calibration and operation of the burner 5.7.6 Minimum gas pressure switch Adjust the minimum gas pressure switch (Fig. 50) after having per- formed all the other burner adjustments with the pressure switch set at the start of the scale. With the burner operating at MAX output, increase adjustment pressure by slowly turning the relative dial clockwise until the burn- er locks out.
Start-up, calibration and operation of the burner Flame signal measurement For all optical detectors, clean the detector viewing window, 5.9.1 Preliminary inspection lens, and inside of the sight pipe as applicable. Make certain that: With the burner running, check the temperature at the detec- –...
Start-up, calibration and operation of the burner If you still cannot obtain a proper flame signal, replace flame detector or UV radiation sensing tube. Positive (+) meter lead One megohm/voltmeter Negative (-) meter lead Flame simulator test jack S8157 Fig.
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- ty, yield and duration of the burner. Disconnect the electrical supply from the burner by It allows you to reduce consumption and polluting emissions and to means of the main system switch.
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Maintenance UV scanner Be extremely careful while troubleshooting the detector; line voltage is present on some of the terminals when power is on. Open the master switch to disconnect power WARNING before removing or installing the detector. Periodic maintenance and cleaning ...
Maintenance Opening the burner To open the burner proceed sa follows: switch off the electrical power; Disconnect the electrical supply from the burner by loosen screws 1) and withdraw the cover 2); means of the main system switch. ...
Appendix - Accessories Appendix - Accessories • Gas train according to UL Standards The installer is responsible for the supply and installation of any required safety device(s) not indicated in this manual. WARNING 20019904...
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...
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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...