Table of Contents
Advertisement
Quick Links
Installation, use and maintenance instructions
Dual fuel light oil/ gas burners
GB
Progressive two stage or modulating operation
20125045 - 20125046 - 20123531
20124918 - 20124919 - 20124927
20125075 - 20125082
20125083 - 20125085
20125094 - 20125095
CODE
MODEL
RLS 280/E
RLS 280/EV
RLS 310/E
RLS 410/E
RLS 510/E
20106891 (7) - 10/2023
Advertisement
Table of Contents
Related Manuals for Riello 20125045
Summary of Contents for Riello 20125045
- 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 20124918 - 20124919 - 20124927 RLS 280/EV 20125075 - 20125082 RLS 310/E 20125083 - 20125085...
- Page 2 Original instructions...
-
Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents 4.15.1 Supply cables and external connections passage........... . 33 4.16 Thermal relay calibration .
-
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: – 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 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 Code RBNA Voltage Fan motor starting Flame safeguard 20125045/E 230/3/60 20124918/EV 20104292 20125046/E RLS 280/E-EV 460/3/60 Direct Burner mounted 20124919/EV 20123531/E 20122386 575/3/60 20124927/EV 20112105... - 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 Mbtu/hr 4,000 16,100 14,490* 5,000 19,200 17,280* 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.
-
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 3540 3540 10.2... -
Page 11: Packaging - Weight - Approximate Measurements
Technical description of the burner Packaging - weight - Approximate measurements The packaging of the burner (Fig. 1) rests on a wooden platform that is particularly suitable for lift trucks. 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. -
Page 12: Burner Dimensions
Technical description of the burner Burner dimensions The maximum dimensions of the burner are given in Fig. 2. The overall dimensions of the burner when open are indicated by L and R. Bear in mind that inspection of the combustion head requires the burner to be opened by rotating the rear part on the hinge. -
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 30 UFOil solenoid valve LOCAL/REMOTE selector... -
Page 15: Firing Rate
Technical description of the burner Three types of burner failure may occur: Flame safeguard lock-out If the flame safeguard alarm 11)(Fig. 4 on page 12) lights up, it indicates that the burner is in lock-out. To reset, press the reset pushbutton. -
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 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 LMV36... safety device! Do not open, interfere with or modify the unit. The manufacturer will not assume responsibili- ty for any damage resulting from unauthorized interference! - 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)
- 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)
-
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
Installation Preparing the boiler 4.5.1 Boring the boiler plate Drill the combustion chamber locking plate as shown in Fig. 11. The position of the threaded holes can be marked using the ther- mal screen supplied with the burner. 4.5.2 Blast tube length The length of the blast tube must be selected according to the indi- cations provided by the manufacturer of the boiler, and in any case it must be greater than the thickness of the boiler door complete... -
Page 23: Accessibility To The Interior Of The Combustion Head
Installation 4.6.1 Accessibility to the interior of the combustion head The burner leaves the factory set for opening to the right, therefore maintaining the pin 1)(Fig. 13) in its housing. To open the burner towards the right, proceed as follows: remove the screws 2);... -
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
Installation 4.10 Combustion head setting Rotate the screw 1)(Fig. 18) until the notch you have found corre- sponds with the front surface of the screw itself. The combustion head is opened by turning the screw 1) anticlock- wise. The combustion head is closed by turning the screw 1) clockwise (Fig. -
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...
-
Page 29: Hydraulic System
Installation 4.12 Hydraulic system 4.12.1 Double-pipe circuit 4.12.2 The loop circuit The burner is equipped with a self-priming pump which is capable A loop circuit consists of a loop of piping departing from and return- of feeding itself within the limits listed in the Tab. M. ing to the tank with an auxiliary pump that circulates the fuel under pressure. -
Page 30: Hydraulic Connections
Installation 4.13 Hydraulic connections The pumps are equipped with a by-pass that connects return Insert the hose connections with the supplied seals into the 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 Δp ("WC) 2 Δp ("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 (Fig. 36) after having ad- justed the burner, the gas valves and the gas train stabiliser. With the burner operating at maximum output: –... -
Page 42: Burner Starting
Start-up, calibration and operation of the burner Burner starting Operating control closes, the ignition pilot starts and the the piping 19), and enters the nozzle. A part of the fuel is then P.O.C. solenoid valves 16)-17) open (available as accessory), sprayed out through the nozzle, igniting when it comes into if required. -
Page 43: Steady State Operation
Start-up, calibration and operation of the burner 5.9.1 Steady state operation At the end of the starting cycle, the servomotor control then passes The burner shuts off when demand for heat is less than the to load control for boiler pressure or temperature. heat supplied by the burner in the MIN output. -
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-...
-
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 20205003 • • • TUBE 20075046 • • • TUBE 20118164 • • • • • • ELECTRODE 3012282 • • • • • • ELECTRODE CONNECTION 3012258 • • • • • • INSULATOR 20123895 •...
- Page 49 Appendix - Spare parts CODE DESCRIPTION 3003287 • • • • • • COIL 3012384 • • • • • • OIL PRESSURE SWITCH 3013674 • • • • • • OIL PRESSURE SWITCH 20124466 • • • • • •...
- Page 50 Appendix - Spare parts CODE DESCRIPTION 20109355 • • • • • • TUBE 20032433 • • • • • • ELECTRODE 3012722 • • • • • • ELECTRODE CONNECTION 20123901 • • • • • • IGNITION PILOT TUBE 20123916 •...
- Page 51 Appendix - Spare parts CODE DESCRIPTION 3003287 • • • • • • COIL 3012384 • • • • • • OIL PRESSURE SWITCH 3013674 • • • • • • OIL PRESSURE SWITCH 20124499 • • • • • •...
-
Page 52: 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 53: 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...