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Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two stage or modulating operation
20125096 - 20125099 - 20125110 - 20125111
20125100 - 20125112
20125102 - 20125104
20125105 - 20125106
20125107 - 20125109
CODE
MODEL
RS 280/E-EV
RS 310/E
RS 410/E
RS 510/E
20122392 (6) - 10/2024
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Summary of Contents for Riello RS 280/E-EV
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two stage or modulating operation CODE MODEL 20125096 - 20125099 - 20125110 - 20125111 RS 280/E-EV 20125100 - 20125112 20125102 - 20125104 RS 310/E 20125105 - 20125106 RS 410/E 20125107 - 20125109...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents Adjustments before first firing ..............27 Burner firing .
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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: – 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 Burner models designation Model Riello code Code RBNA Voltage Fan motor starting Flame safeguard 20125096/E 230/3/60 20125110/EV 20121842 20125099/E RS 280/E-EV 460/3/60 Direct Burner mounted 201225111/EV 20125100/E 20122568 575/3/60 20125112/EV 20121846 20125102/E 460/3/60 RS 310/E... -
Page 9: Electrical Data
Technical description of the burner Model RS 410/E RS 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* Output delivery Mbtu/hr 1,635 2,000 Fuel Natural gas Gas max. delivery SCFH 15,941 19,010 "WC 26.0 32.6 Gas pressure at max delivery Operation... -
Page 10: 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 11: 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 12: Burner Description
Technical description of the burner Burner description 4 20 20125666 Fig. 3 Lifting eyebolts 24 Reset button 25 Transparent protection Fan motor 26 Pilot gas train attachment Air servomotor The burner can be opened either on the right or left Gas pressure test point sides, irrespective of the side from which fuel is sup- Combustion head... -
Page 13: Panel Board Description
Technical description of the burner 3.7.1 Panel board description 20124955 Fig. 4 Electrical flame control 24 Fan motor direct start-up contactor ON/OFF selector 25 K2 auxiliary remote position relay LOCAL/REMOTE selector 26 Fan motor thermal relay (with reset button) ALARM SILENCE push-button 27 Earth terminal Output power regulator 28 Fan motor sheath... -
Page 14: Firing Rates
Technical description of the burner Firing rates Maximum output must be selected in the hatched area of the dia- The firing rate area values have been obtained con- gram (Fig. 5). sidering an ambient temperature of 68 °F, and an Minimum output must not be lower than the minimum limit shown atmospheric pressure of 394”... -
Page 15: 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 16: Flame Control For The Air/Fuel Ratio (Lmv37.4
WARNING The LMV37.4... is a safety device! Do not open, interfere with or modify the unit. Riello S.p.A. will not assume responsibility for any damage resulting from unauthorized inter- ference! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. - Page 17 Technical description of the burner Technical data LMV37.4... 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 18 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 19: Servomotor (Sqm33.5
Technical description of the burner 3.10 Servomotor (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 servo- motor! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. -
Page 20: 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 21: Preparing The Boiler
Installation Preparing the boiler 4.5.1 Boring the boiler plate Drill the combustion chamber locking plate as shown in Fig. 10. 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 22: 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. 12) in its housing. To open the burner towards the right, proceed as follows: remove the screws 2);... -
Page 23: Combustion Head Setting
Installation 4.10 Combustion head setting Rotate the screw 1) until the notch you have found corresponds 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 24: Gas Feeding
Installation 4.11 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 25: Gas Pressure
Installation 4.11.2 Gas pressure MBtu/hr ( GCV ) 1 Δp ("WC) 2 Δp ("WC) The Tab. L 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. L refer to natural gas (GCV). 4.500 0,03 Column 1... -
Page 26: Electrical Wiring
Installation 4.12 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 carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination. -
Page 27: Supply Cables And External Connections Passage
Installation 4.12.1 Supply cables and external connections 4.13 Thermal relay calibration passage 4.13.1 Electronic thermal relay If the cover is still present, remove it and proceed with the electrical wiring. To reset, in the case of an intervention of the thermal relay, press the button “RESET”... -
Page 28: Motor Connection At 208-230 Or 460V
Installation 4.14 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 29: 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 30: 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 of Fig. -
Page 31: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.7.1 Air pressure switch For the RS 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 32: Minimum Gas Pressure Switch
Start-up, calibration and operation of the burner 5.7.3 Minimum gas pressure switch Adjust the minimum gas pressure switch (Fig. 31) after having ad- justed the burner, the gas valves and the gas train stabiliser. With the burner operating at maximum output: –... -
Page 33: Steady State Operation
Start-up, calibration and operation of the burner 5.7.4 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 34: 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 35: Safety Components
Maintenance Flame sensor 6.2.4 Safety components The safety components must be replaced at the end of their life In order to reach the flame sensor, proceed as follows: cycle indicated in Tab. N. The specified life cycles do not refer to ... -
Page 36: Opening The Burner
Maintenance Opening the burner Wait for the components in contact with heat sourc- Disconnect the electrical supply from the burner by es to cool down completely. means of the main system switch. DANGER See “Accessibility to the interior of the combustion head” on page 20. -
Page 37: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20122392... -
Page 38: Appendix - Spare Parts
Appendix - Spare parts CODE DESCRIPTION 20075046 • • • • • • TUBE 20109355 • • • • • • TUBE 20118164 • • • • • • ELECTRODE 20032433 • • • • • • ELECTRODE 3012282 • •... - Page 39 Appendix - Spare parts CODE DESCRIPTION 20201353 • • • MOTOR 20124265 • • • • MOTOR 20201364 • • MOTOR 20013155 • • MOTOR 20042608 • • MOTOR 20124287 • • MOTOR 20013156 • • MOTOR 20201384 • MOTOR 20124359 •...
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Page 40: 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 44 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...
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