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Table of Contents
Related Manuals for Riello RLS 280/E
Summary of Contents for Riello RLS 280/E
- Page 1 Installation, use and maintenance instructions Dual fuel light oil/ gas burners Progressive two stage or modulating operation CODE MODEL 20125045 - 20125046 - 20123531 RLS 280/E 20125075 - 20125082 RLS 310/E 20125083 - 20125085 RLS 410/E 20125094 - 20125095 RLS 510/E...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Electrode and ignition pilot adjustment (RLS 280/E model)........ - Page 4 Contents 4.15.1 Supply cables and external connections passage........... . 33 4.16 Thermal relay calibration .
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Page 5: Information And General Instructions
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;... -
Page 6: Delivery Of The System And The Instruction Manual
Information and general instructions 1.1.4 Delivery of the system and the instruction The system supplier must carefully inform the user about: manual – the use of the system; – any further tests that may be required before activating the When the system is delivered, it is important that: system;... -
Page 7: Safety And Prevention
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. -
Page 8: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Burner models designation Model Code RBNA Code Voltage Fan motor starting Flame safeguard 20125045 230/3/60 20104292 RLS 280/E 20125046 460/3/60 Direct Burner mounted 20123531 20122386 575/3/60 20125075 20112105 460/3/60 RLS 310/E... - Page 9 Technical description of the burner Model RLS 410/E RLS 510/E 1.172 4.719 4.247* 1.465 5.627 5.064* High 4.000 16.100 14.490* 5.000 19.200 17.280* Mbtu/hr 28,6 103.5* 35,7 137,1 123,4* Output delivery Mbtu/hr 1.635 2.000 11,7 14,3 Oil n°2 Fuel Natural gas Gas max.
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Page 10: Electrical Data
Technical description of the burner Electrical data Fan motor and pump motor IE3/NEMA PREMIUM EFFICIENCY Model RLS 280/E RLS 310/E Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 230-460/3/60 575/3/60 460/3/60 575/3/60 Fan motor 3510 3510... -
Page 11: Packaging - Weight - Approximate Measurements
The overall dimensions of the packaging are shown in the Tab. E. The weight of the burner complete with its packaging is shown in Tab. E. inch RLS 280/E 41” 32“ 4“ RLS 310/E 51”... -
Page 12: Burner Dimensions
R. Bear in mind that inspection of the combustion head requires the burner to be opened by rotating the rear part on the hinge. Fig. 2 20123199 inch RLS 280/E " " 6 " 10 " " ANSI 3" 19 "... -
Page 13: Burner Description
Technical description of the burner Burner description 11 24 30 17 20116011 Fig. 3 Lifting eyebolts 24 Pump 25 Pump motor Fan motor 26 Valve group (see Fig. 4 on page 12) Air gate valve servomotor 27 Minimum oil pressure switch Gas pressure test point 28 Nozzle delivery pressure gauge Combustion head... -
Page 14: Panel Board Description
Technical description of the burner 3.7.1 Panel board description 10 11 20124175 Fig. 4 32 33 34 35 52 37 38 39 Electrical control box 27 VS1Oil return safety solenoid valve ON/OFF selector 28 VROil return solenoid valve OIL/OFF/GAS selector 29 UFOil delivery safety solenoid valve LOCAL/REMOTE selector 30 UFOil solenoid valve... -
Page 15: Firing Rate
17)(Fig. 4). See “Thermal relay calibration” on page 34. Firing rate Maximum output must be selected in the hatched area of the dia- Model MBtu/hr gram (Fig. 5). RLS 280/E 2.600 Minimum output must not be lower than the minimum limit shown RLS 310/E 3.500 in the diagram. -
Page 16: Procedure To Refer Burner Operating Condition At An Altitude And/Or At A Combustion Supporter Air Temperature Different To The Standard Values (328 Ft Above Sea Level, 68 °F)
Technical description of the burner 3.8.1 Procedure to refer burner operating condition at an altitude and/or at a combustion supporter air temperature different to the standard values (328 ft above sea level, 68 °F). AIR TEMPERATURE Altitude °C Altitude bar. press. bar. -
Page 17: Control Box For The Air/Fuel Ratio (Lmv36
Technical description of the burner 3.10 Control box for the air/fuel ratio (LMV36...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes must be observed! WARNING The LMV36... is a safety device! Do not open, interfere with or modify the unit. - Page 18 Technical description of the burner Technical data LMV36... basic unit Mains voltage AC 120 V -15 % / +10 % Mains frequency 50 / 60 Hz ±6 % Power consumption < 30 W (typically) Safety class I, with parts according to II and III to DIN EN 60730-1 Terminal loading Unit fuse F1 (internally) 6.3 AT...
- Page 19 Technical description of the burner Operation sequence of the burner Operation Startup Shutdown Valve proving TSA2 TSA1 Phase number Safety limit thermostat (STB) Control thermostat or pressurestat (R) Flame signal (FS) Air pressure switch (LP) Pressure switch-min (Pmin) Pressure switch-max (Pmax) Valve proving / leakage test (P LT) POC (alternative to Pmax) Motor (M)
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Page 20: Actuators (Sqm33.5
Technical description of the burner 3.11 Actuators (SQM33.5...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! WARNING Do not open, interfere with or modify the actua- tors! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. -
Page 21: Installation
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. -
Page 22: Preparing The Boiler
For boilers with front flue passes 1)(Fig. 18 on page 23) or flame in- version chamber, a protection in refractory material 5) must be in- serted between the boiler fettling 2) and the blast tube 4). inch The refractory can have a conical shape (minimum 60°). RLS 280/E coarse 4” 16” 4”... -
Page 23: Accessibility To The Interior Of The Combustion Head
C). 20115885 Fig. 13 Electrode and ignition pilot adjustment (RLS 280/E model) Place the pilot and electrodes as shown in Fig. 15. 1 7 / 1 6 " 20115902 Fig. 14... -
Page 24: Electrode And Ignition Pilot Adjustment (Rls 310 - 410 - 510/E Model)
Installation Electrode and ignition pilot adjustment ( RLS 310 - 410 - 510/E model) Place the electrode and the ignition pilot observing the dimensions in Fig. 15. 1 3 7 / 6 4 " Fig. 15 20123208 Gas butterfly valve If necessary, replace the gas butterfly valve. -
Page 25: Combustion Head Setting
NOTE: Depending on the specific application, the adjustment can be modified. The combustion head can be adjusted within the fol- lowing fields: RLS 280/E: 0 - 12; WARNING RLS 310/E: 0 - 11; RLS 410/E: 0 - 8; Fig. 17 RLS 510/E: 0 - 11. -
Page 26: Nozzle
Installation 4.11 Nozzle In order to guarantee that emissions do not vary, recommended and/or alternative nozzles specified by the Manufacturer in the In- struction and warning booklet should be used. It is advisable to replace nozzles every year during regular maintenance operations. WARNING The use of nozzles other than those specified by the Manufacturer and inadequate regular maintenance... -
Page 27: Recommended Nozzles
Installation 4.11.2 Recommended nozzles Intermediate flow rates may be obtained by choosing the nozzle with a nominal flow rate slightly higher than that actually required. Supply Nozzle High Fire Low Fire Pressure MBtu/hr ( GCV ) Type kg/h By-pass Flow rate By-pass Flow rate Pressure... - Page 28 Installation Supply Nozzle High Fire Low Fire Pressure MBtu/hr ( GCV ) Type kg/h By-pass Flow rate By-pass Flow rate Pressure Pressure 5.000 35,7 6.500 46,4 13,4 7.500 53,6 14,7 8.500 60,7 14,7 9.500 67,9 15,0 10.500 75,0 18,6 11.500 82,1 20,8 12.500...
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Page 29: Hydraulic System
Installation 4.12 Hydraulic system 4.12.1 Double-pipe circuit It is good practice to ensure that the return and suction lines enter the burner from the same height; in this way it will be more improb- The burner is equipped with a self-priming pump which is capable able that the suction line fails to prime or stops priming. -
Page 30: Hydraulic Connections
Installation 4.13 Hydraulic connections Insert the hose connections with the supplied seals into the The pumps are equipped with a by-pass that connects return line and suction line. connections and screw them down. The pumps are installed on the burner with the by-pass closed by screw 6)(Fig. -
Page 31: Pressure Variator
Installation 4.13.2 Pressure variator The pressure variator (Fig. 22), allows the pressure on the return line of the nozzle to be varied according to the required output. The pressure on the return line is adjusted by varying a section by means of the rotation of the servomotor 23)(Fig. -
Page 32: Gas Feeding
Installation 4.14 Gas feeding Explosion danger due to fuel leaks in the presence The fuel supply line must be installed by qualified of a flammable source. personnel, in compliance with current standards Precautions: avoid knocking, attrition, sparks and and laws. WARNING heat. -
Page 33: Gas Pressure
Installation 4.14.2 Gas pressure MBtu/hr ( GCV ) 1 ∆p ("WC) 2 ∆p ("WC) The Tab. O shows minimum pressure losses along the gas supply 2.600 0,01 line depending on the maximum burner output operation. 3.500 0,02 The values shown in the Tab. O refer to natural gas (GCV). 4.500 0,03 Column 1... -
Page 34: Electrical Wiring
Installation 4.15 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. -
Page 35: Supply Cables And External Connections Passage
Installation 4.15.1 Supply cables and external connections passage If the cover is still present, remove it and proceed with the electrical wiring. All the cables to be connected to the burner are fed through the grommets. See figure on the right. The use of the cable grommets can take various forms. -
Page 36: Thermal Relay Calibration
Installation 4.16 Thermal relay calibration 4.16.1 Electronic thermal relay To reset, in the case of an intervention of the thermal relay, press the button “RESET” (Fig. 26). S8109 Fig. 26 There are two different solution to test the electronic thermal relay: ... -
Page 37: Motor Connection At 208-230 Or 460V
Installation 4.17 Motor connection at 208-230 or 460V Please, pay attention to the indications in case of modification of the motors, manufactured for 208-230/460 IE3 voltage, maintenance, or substitution. NEMA Premium Efficiency voltage, have the same connection than IE2/Epact motors, but differ- ent connection than IE1 motors no more star/delta WARNING but star/double star. -
Page 38: 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 39: 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, set the parameters on the RWF55 regulator. Please refer to the specific manual for this operation. Turn the switch to position “ON”... -
Page 40: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.8.1 Air pressure switch For the RLS 280, model the air pressure switch is connected in dif- ferential mode and is activated by both the negative pressure of the air intake and the positive pressure from the fan. -
Page 41: Minimum Gas Pressure Switch
Start-up, calibration and operation of the burner 5.8.3 Minimum gas pressure switch Adjust the minimum gas pressure switch after having performed all the other burner adjustments with the pressure switch set at the start of the scale (Fig. 36). With the burner operating at MAX output, increase adjustment pressure by slowly turning the relative dial clockwise until the burn- er locks out. -
Page 42: Burner Starting
Start-up, calibration and operation of the burner Burner starting Operating control closes, the ignition pilot starts and the Solenoid valves 5) - 6) -13) -14) open; the fuel passes through P.O.C. solenoid valves 16)-17) open (available as accessory), the piping 19), and enters the nozzle. -
Page 43: Steady State Operation
Start-up, calibration and operation of the burner 5.9.1 Steady state operation The burner shuts off when demand for heat is less than the heat supplied by the burner in the MIN output. At the end of the starting cycle, the servomotor control then passes ... -
Page 44: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- Before carrying out any maintenance, cleaning or checking opera- ty, yield and duration of the burner. tions: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. - Page 45 Maintenance Flame inspection window Clean the flame inspection window 1)(Fig. 40). Check to make sure that no dust has accumulated inside the fan or on its blades, as this condition will cause a reduction in the air flow rate and provoke polluting combustion. Boiler Clean the boiler as indicated in its accompanying instructions in or- der to maintain all the original combustion characteristics intact, es-...
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Page 46: Safety Components
Maintenance 6.2.4 Safety components Safety component Life cycle The safety components must be replaced at the end of their life 10 years or 250,000 cycle indicated in Tab. Q. The specified life cycles do not refer to Flame control operation cycles the warranty terms indicated in the delivery or payment conditions. -
Page 47: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20106891... - Page 48 Appendix - Spare parts CODE DESCRIPTION 20075046 • TUBE 20109355 • • • TUBE 20118164 • ELECTRODE 20032433 • • • ELECTRODE 3012282 • ELECTRODE CONNECTION 3012722 • • • ELECTRODE CONNECTION 3012258 • INSULATOR 20123895 • IGNITION PILOT TUBE 20123901 •...
- Page 49 Appendix - Spare parts CODE DESCRIPTION 3012909 • • • • CONNECTOR 3013998 • • • • CONNECTOR 3003055 • • • • 3007164 • • • • SEAL 3013635 • • • • PLUG 3013559 • • • • CONNECTOR 20124632 •...
- Page 50 Appendix - Spare parts CODE DESCRIPTION 3020068 • • • • RELAY 20043329 • • • • TIMER 20030708 • • • • RELAY 20125077 • • • • BASE 20124463 • OIL TUBE 20124500 • • • OIL TUBE 20027021 •...
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Page 51: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories Gas train according to UL Standards The installer is responsible for the supply and instal- lation of any required safety device(s) not indicated in this manual. WARNING 20106891... -
Page 52: Appendix - Burner Start Up Report
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... - Page 56 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...