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Installation, use and maintenance instructions
Forced draught gas burners
GB
Low-high-low or modulating operation
20166044
20166045
20166046
20166047
20166048
20166049
20166101
20166102
20166103
CODE
MODEL
RS 70/M
RS 70/M
RS 70/M
RS 100/M
RS 100/M
RS 100/M
RS 130/M
RS 130/M
RS 130/M
20160778 (7) - 07/2022
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Table of Contents
Related Manuals for Riello RS/M Series
Summary of Contents for Riello RS/M Series
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Low-high-low or modulating operation CODE MODEL 20166044 RS 70/M 20166045 RS 70/M 20166046 RS 70/M 20166047 RS 100/M 20166048 RS 100/M 20166049 RS 100/M 20166101 RS 130/M 20166102 RS 130/M 20166103 RS 130/M 20160778 (7) - 07/2022...
- 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 4.15.4 Burner flame goes out during operation ............26 Start-up, calibration and operation of the burner .
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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 Technical description of the burner Burner models designation Model Riello Code RBNA Code Voltage Flame safeguard 20166044 208-230/3/60 20160208 RS 70/M TC FS1 20166045 460/3/60 Burner mounted 20160227 20166046 575/3/60 20166047 208-230/3/60 20160233 RS 100/M TC FS1... -
Page 9: Electrical Data
Technical description of the burner Electrical data Model RS 70/M RS 100/M RS 130/M Control circuit power supply V/Ph/Hz 120/1/60 Main electrical supply (+/- 10%) V/Ph/Hz 208-220/3/60 Fan motor IE3/EPACT 3500 3500 3500 HP - kW 1.5 - 1.1 3 - 2.2 3 - 2.2 208-230 208-230... - Page 10 Technical description of the burner Model RS 70/M RS 100/M RS 130/M Control circuit power supply V/Ph/Hz 120/1/60 Main electrical supply (+/- 10%) V/Ph/Hz 575/3/60 Fan motor IE3/EPACT 3500 3500 3500 HP - kW 1.5 - 1.1 3 - 2.2 3 - 2.2 Ignition transformer V1 - V2...
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Page 11: Burner Dimensions
Technical description of the burner Burner dimensions The maximum dimensions of the burners are given in Tab. D. The maximum dimension of the burner, when open, is give by measurement I. Bear in mind that inspection of the combustion head requires the burner to be opened by withdrawing the rear part on the slide bars. -
Page 12: Firing Rates
Technical description of the burner Firing rates During operation, burner output varies between: RS 70/M • MAXIMUM OUTPUT must be selected in area A (Fig. 2). • MINIMUM OUTPUT which must not be lower than the mini- mum limit in the diagram. Model MBtu/hr RS 70/M... -
Page 13: 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. press. °C ft a.s.l. -
Page 14: Burner Description
Technical description of the burner Burner description 20161001 Fig. 4 Combustion head 16 Gas pressure test point and head fixing screw Ignition electrode 17 Combustion head air pressure test point Screw for combustion head adjustment 18 Flame sensor High gas pressure switch 19 Air damper Servomotor controlling the gas butterfly valve and the air 20 Air inlet to fan... -
Page 15: Rfgo-A13 Control Box
The control box is a safety device! Avoid opening or WARNING modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage re- sulting from unauthorised interventions! All interventions (assembly and installation operations, assis- tance, etc.) must be carried out by qualified personnel. -
Page 16: Servomotor Sqm41
Technical description of the burner 3.10 Servomotor SQM41 ... Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the ser- WARNING vomotor. All interventions (assembly and installation operations, assis- tance, etc.) must be carried out by qualified personnel. ... -
Page 17: 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 18: Blast Tube Length
Installation 4.4.2 Blast tube length For boilers with front flue passes 15)(Fig. 8) or flame inversion chambers, protective insulation material 13), must be inserted The length of the blast tube must be selected according to the indi- between the boiler refractory 14) and the blast tube 12). cations provided by the manufacturer of the boiler, it must be great- ... -
Page 19: Securing The Burner To The Boiler
Installation Securing the burner to the boiler remove the two screws 4) and pull the burner back on slide Prepare a suitable lifting system. bars 5) by about 4”; The manufacturer declines any and every re- disconnect the wires from the flame rod and the electrode and sponsibility for any possible lifting movements, then pull the burner completely off the slide bars. -
Page 20: Ignition Pilot Adjustment
Installation Make sure that the combustion characteristics are satisfactory and free of pulsations. Once you have finished setting up the head: 20161035 refit the burner to the slide bars 3)(Fig. 13) at approximately 4” from the sleeve 4) - burner positioned as shown in Fig. 8, page 16 - insert the flame rod cable and the ignition electrode cable and then slide the burner up to the sleeve so that it is positioned as shown in Fig. -
Page 21: Electrical Connections
Installation 4.8.1 Electrical connections S9810 Fig. 16 20160778... -
Page 22: Gas Supply
Installation 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. -
Page 23: Gas Pressure
Installation 4.9.3 Gas pressure p (“ WC) Model MBtu/hr The Tab. G is used to calculate manifold pressure taking into ac- count combustion chamber pressure. 1761 1.65 Column 1 1952 1.89 Gas manifold pressure measured at test point 1)(Fig. 19), with: 2139 2.20 •... -
Page 24: Electrical Wiring
Installation 4.10 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 25: Supply Cables And External Connections Passage
Installation 4.10.2 Supply cables and external connections Cable grommets used in factory: A - Fan motor passage B - Maximum gas pressure switch All the cables to be connected to the burner are fed through the C - Air/Gas servomotor grommets. -
Page 26: Thermal Relay Calibration
Installation 4.11 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.11.2 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 4.12 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: Burner Operation
Installation 4.15 Burner operation 4.15.1 Burner starting FULL MODULATION 20162566 • Operating closes. Fan motor starts (A Fig. 30). • Servomotor starts: 130° rotation to right, until contact is made on red cam. The air damper is positioned to MAX. output. •... -
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: Servomotor
Start-up, calibration and operation of the burner Servomotor The servomotor (Fig. 36) provides simultaneous adjustment for the 20162481 gas butterfly valve, by means of the adjustable profile cam and the air damper: 1) Fig. 35 and Fig. 36. It rotates by 130° in approx. 36 s. To open the servomotor and release the mechanical cam and the gas butterfly valve, see procedure (Refer to paragraph “Servomo- tor adjustment”... -
Page 31: Servomotor Adjustment
Start-up, calibration and operation of the burner Servomotor adjustment 20161833 Fig. 37 5.4.1 Disengage the gears of the servomotor 5.4.2 Cams adjustment For adjusting the cams, see Fig. 37 A. Switch off the burner using the switch 1)(Fig. 38), OFF position. Proceed with care and without forcing. -
Page 32: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.6.1 Air pressure switch Adjust the air pressure switch after having performed all other burn- er adjustments with the air pressure switch set to the start of the scale (Fig. -
Page 33: Burner Firing
Start-up, calibration and operation of the burner Burner firing Having completed the checks indicated in the previous heading, Having adjusted the pilot, reconnect the main valve the pilot of the burner should fire. and ignite the main flame; it might require several If the motor starts but the flame does not appear and the flame attempts to purge the air from the gas lines or to ad- safeguard goes into lock-out, reset and wait for a new firing at-... -
Page 34: Intermediate Outputs
Start-up, calibration and operation of the burner 5.8.4 Intermediate outputs When the adjustment is complete, switch off the burner using the switch 1)(Fig. 38, page 29), OFF position, release the mechanical Adjustment of gas delivery cam 8)(Fig. 35, page 28) to separate the gears of the servomotor (Refer to paragraph “Disengage the gears of the servomotor”... -
Page 35: Final Checks (With The Burner Working)
Start-up, calibration and operation of the burner 5.10 Final checks (with the burner working) Open the control limit operation The burner must stop Open the high limit operation Rotate the maximum gas pressure switch knob to the mini- ... -
Page 36: 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 37: Flame Presence Check
Maintenance Flame inspection window D709 Clean the flame inspection window (Fig. 47). Burner Check for excess wear or loose screws in the mechanisms con- trolling the air damper and the gas butterfly valve. Also make sure that the screws securing the electrical leads in the burner connections are fully tightened. -
Page 38: Opening The Burner
Maintenance Opening the burner To open the burner proceed as follows: remove screws 1)(Fig. 49) and withdraw the cover 2); Disconnect the electrical supply from the burner by disconnect the swirler joint 7) to the graduate sector; means of the main system switch. DANGER ... -
Page 39: Led Indicator And Special Function
LED indicator and special function LED indicator and special function Description of LED lamps It turns on when the fan motor is powered (T6) and blinks when RUN/CHECK switch is set to “CHECK” during damper movement phases, PTFI AND MTFI. S9740 It blinks when the air damper is moving towards the maximum opening position until the position- Open... -
Page 40: Led Lamps: Burner Operating Status
LED indicator and special function LED lamps: burner operating status OPERATING STATUSES INDICATED BY LEDS DURING NORMAL OPERATION AND CHECK MODE Operation Open Closed Modulation Ignition Flame Status LED ● = ON damper damper Icon S9740 S9741 S9742 S9743 S9744 S9745 S9746 Power OFF/ON... -
Page 41: Problems - Causes - Remedies Signalled By Led Indicators
Problems - Causes - Remedies signalled by LED indicators Problems - Causes - Remedies signalled by LED indicators When an emergency stop occurs, the control device LEDs indicate Thermal unit’s operation, maintenance the cause of the stop. troubleshooting interventions must be carried out The terminal T3 is not powered. - Page 42 Problems - Causes - Remedies signalled by LED indicators Error / RFGO LED lock-out codes Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 Operation Open Closed Auto Ignition Flame Status LED ● = ON damper damper Icon...
- Page 43 Problems - Causes - Remedies signalled by LED indicators Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 Supervisor processor timeout ● ● ● ● Off-specification mains voltage ● ● ● ● Off-specification mains voltage ●...
- Page 44 Problems - Causes - Remedies signalled by LED indicators Fault explanation Faults Cause Solution Post-diagnostics fault Initial power diagnostics fault Make sure that the status of inlets and outlets Check T12, T13 and T14 is correct upon ignition Local reset The user started the manual reset or the reset Check T21 inlet or reset for normal operation switch is faulty...
- Page 45 Problems - Causes - Remedies signalled by LED indicators Faults Cause Solution False flame in stand-by mode Unexpected flame (false or parasitic flame) Check flame sensor or interference detected during the Stand-by status Not used Internal processor timeout Internal fault Replace the control device Internal processor timeout Internal fault...
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Page 46: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20160778... - Page 47 Appendix - Spare parts CODE DESCRIPTION • • • • • • 3003948 AIR DAMPER ASSEMBLY • • • • • • 3003949 GRID • • • • • • 3003952 SOUND DAMPING • • 3012939 • • 3012403 • •...
- Page 48 Appendix - Spare parts CODE DESCRIPTION • • 3012961 DIFFUSER • • • • 3012962 DIFFUSER • • 3012963 DISTRIBUTOR • • 3012964 DISTRIBUTOR • • 3012965 DISTRIBUTOR • • • • 3012031 TUBE • • 3012035 TUBE • • •...
- Page 49 Appendix - Spare parts CODE DESCRIPTION • • • • • • 3012348 AIR INTAKE • • • • • • 20161231 CAM-HOLDER SHAFT • • • • • • 3012350 LEVER • • • • • • 3006098 PIN JOINT •...
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Page 50: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories • Kit for lengthening the combustion head Length obtainable Burner Standard length Code with kit RS 70/M ” ” 20029381 RS 100/M ” ” 20029382 RS 130/M ” ” 20029383 • Kit for LPG operation The kit allows the burner to operate on LPG. -
Page 51: 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 52 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...