Table of Contents
Related Manuals for Riello RS 68/E LN
Summary of Contents for Riello RS 68/E LN
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL C9342400 - C9342410 RS 68/E LN C9343400 - C9343410 - C9343401 RS 120/E LN 20092542 (5) - 02/2022...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents Burner start-up................26 Adjusting gas/air delivery.
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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: Guarantee And Responsibility
Information and general instructions Delivery of the system and the instruction manual ................... When the system is delivered, it is important that: The instruction manual is supplied to the user by the system ................... manufacturer, with the recommendation to keep it in the room ................... -
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 Technical data Model RS 68/E LN RS 120/E LN MBtu/hr 1327 - 3258 2282 - 4924 High 389 - 955 666 - 1443 Output MBtu/hr 1136 Fuel Natural gas • Max delivery... -
Page 9: Burner Models Designation
NEMA 1 Weight Tab. C Complete with its packaging Burner models designation Model Code Code RBNA Main Voltage Flame safeguard C9342400 230/3/60 RS 68/E LN 20029006 Burner mounted C9342410 460/3/60 C9343400 230/3/60 20029007 RS 120/E LN C9343410 460/3/60 Burner mounted... -
Page 10: Burner Dimensions
D731 Fig. 1 Inch RS 68/E LN RS 120/E LN 23 Tab. E Firing rates The maximum output is chosen within area A of the diagram RS 68/E LN (Fig. -
Page 11: 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 3.6.1 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 12: Minimum Furnace Dimensions
Output 2579 MBtu/hr: diameter = 23.6 inch; length 6.6 ft Fig. 3 Commercial boilers The RS 68/E LN - RS 120/E LN burners are suitable for operation D1079 on either flame-inversion boilers* or boilers with combustion cham- bers featuring flow from the base (three flue passes) on which the 8”... -
Page 13: Burner Description
Technical description of the burner Burner description Seen from A 20097365 37 31 34 14 35 Fig. 5 Combustion head 26 Screws to secure fan to pipe coupling Burner pilot 27 Switch “LOCAL REMOTE” Screw for combustion head adjustment 28 Gas butterfly valve Maximum gas pressure switch 29 Boiler fixing flange Burner pilot attachment... -
Page 14: Control Box 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 15 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 16 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 17: 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 18: 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 19: Preparing The Boiler
Fig. 10 tube. • For boilers with a water-cooled frontal, a refractory lining is not inch necessary 11)-12)(Fig. 11) unless expressly requested by the RS 68/E LN - 14 boiler manufacturer. RS 120/E LN - 14 Tab. I Securing the burner to the boiler Secure the burner to the boiler, fixing the flange 9)(Fig. -
Page 20: Electrode Positioning
Installation Electrode positioning To verify the correct position of the ignition electrode (Fig. 12), you 5/ 16" need to separate the combustion head from the rest of the burner. 1/ 8" Measures must be respected. WARNING D10692 Fig. 12 Combustion head calibration At this point check, for model RS 120/E LN, whether the maximum delivery of the burner at high fire operation is contained in area A or in area B of the firing rate. -
Page 21: Adjustment Of The Combustion Head
Installation Adjustment of the combustion head At this point of the installation, the combustion head is fixed to the Two adjustments of the head are foreseen: boiler as shown in Fig. 14. air adjustment R1 gas adjustment R2 It is therefore especially easy to adjust, and this adjustment de- pends only on the maximum output of the burner. -
Page 22: Burner Refitting
Installation 4.10 Burner refitting Once the combustion head adjustment is completed: push the burner on the sliding bars 3) at approximately 4” from the pipe coupling 4) - burner in the position shown in Fig. 17; insert the electrode cable, then slide the burner as far as the pipe coupling - burner in the position shown in Fig. -
Page 23: Gas Supply
Installation 4.11 Gas supply Explosion danger due to fuel leaks in the presence See the accompanying instructions for the ad- of a flammable source. justment of the gas train. Precautions: avoid knocking, attrition, sparks and WARNING heat. Make sure that the fuel interception tap is closed before performing any operation on the burner. -
Page 24: Gas Supply Pressure
p “wc gas butterfly 2)(Fig. 21) – read, on the diagram (Fig. 22), the pressure test point 1)(Fig. 21); RS 68/E LN RS 120/E LN – add this value to the estimated pressure in the combustion p “WC p “WC chamber. -
Page 25: Electrical Wiring
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. -
Page 26: Thermal Relay Calibration
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 thermal relay (used for single phase mo- press the button “RESET”... -
Page 27: Motor Connection At 208-230 Or 460V
Installation 4.15 Motor connection at 208-230 or 460V WARNING: the motors, manufactured for 208-230/460 IE3 NEMA Premium Efficiency voltage, have the same connection than IE2/Epact motors, but 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 - IE3 NEMA Premium Efficiency S8380 S8379... -
Page 28: 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 29: Adjusting Gas/Air Delivery
Start-up, calibration and operation of the burner Adjusting gas/air delivery Complete the procedure slowly, synchronizing the combustion with – Move slowly towards the maximum output (but- the two servomotors and storing the different setting points. terfly gas valve completely open); –... -
Page 30: Minimum Gas Pressure Switch
Start-up, calibration and operation of the burner 5.5.3 Minimum gas pressure switch The purpose of the minimum gas pressure switch is to prevent the burner from operating in an unsuitable way due to too low gas pres- sure. Adjust the minimum gas pressure switch (Fig. 37) after having ad- justed the burner, the gas valves and the gas train stabiliser. -
Page 31: 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 32: Safety Components
Maintenance 6.2.4 Safety components Flame inspection window The safety components must be replaced at the end of their life Clean the glass of the flame inspection window. cycle indicated in Tab. J. The specified life cycles do not refer to the warranty terms indicated in the delivery or payment conditions. -
Page 33: Opening The Burner
Maintenance Opening the burner In order to open the burner, proceed as follows: loosen the 4 screws 1) (Fig. 40) and remove the cover 2); Disconnect the electrical supply from the burner by install the 2 extensions 9) on the sliding bars 4) and re-screw means of the main system switch. -
Page 34: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20092542... - Page 35 Appendix - Spare parts CODE DESCRIPTION • • • 3013929 AIR DAMPER • • • 3003949 PROTECTION GRATE • • • 3003952 SOUND DAMPING • • • 3003763 INSPECTION WINDOW • • • 3013686 BAR EXTENSION • 3012403 • • 3012940 •...
- Page 36 Appendix - Spare parts CODE DESCRIPTION • • • 3012841 BASE • • • 20010969 RELAY 110V • • • 3012948 AIR PRESSURE SWITCH • • • 3013938 DISC • • • 20010962 BUTTON • • • 3013937 • • •...
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Page 37: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories • Tubes kit Burner Code RS 68/E LN 3010247 RS 120/E LN 3010248 • 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. -
Page 38: 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: Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire : Low Fire... - Page 40 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...