Riello RS 25/M C05 Installation, Use And Maintenance Instructions

Riello RS 25/M C05 Installation, Use And Maintenance Instructions

Forced draught gas burners
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Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two-stage or modulating operation
CODE
20159191
20159192
20159193
20159194
20159195
20159196
MODEL
RS 25/M C05
RS 25/M C05
RS 35/M C05
RS 35/M C05
RS 35/M C05
RS 35/M C05
TYPE
S026T
S026T
S027T
S027T
S027T
S027T
20159324 (1) - 03/2019

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Summary of Contents for Riello RS 25/M C05

  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 20159191 RS 25/M C05 S026T 20159192 RS 25/M C05 S026T 20159193 RS 35/M C05 S027T 20159194 RS 35/M C05 S027T 20159195 RS 35/M C05...
  • Page 2 Translation of the original instructions...
  • Page 3: Table Of Contents

    Contents Declarations....................................3 Information and general warnings............................4 Information about the instruction manual ........................4 2.1.1 Introduction.................................. 4 2.1.2 General dangers................................4 2.1.3 Other symbols ................................4 2.1.4 Delivery of the system and the instruction manual...................... 5 Guarantee and responsibility............................5 Safety and prevention................................
  • Page 4 Contents 6.5.2 Output upon ignition (minimum) ..........................25 6.5.3 Max. output ................................26 6.5.4 Intermediate outputs ..............................26 Pressure switch adjustment ............................27 6.6.1 Air pressure switch..............................27 6.6.2 Gas minimum pressure switch ...........................27 6.6.3 Flame presence check ...............................27 Servomotor adjustment ..............................28 Burner operation ................................29 6.8.1 Burner start-up ................................29 6.8.2...
  • Page 5: Declarations

    The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015. Legnago, 21.04.2018 General Manager Research and Development Director RIELLO S.p.A. - Burners Department RIELLO S.p.A. - Burners Department Eng. U. Ferretti Eng. F. Comencini...
  • Page 6: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 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 away from moving mechanical parts;...
  • Page 7: Delivery Of The System And The Instruction Manual

    Information and general warnings 2.1.4 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 8: Safety And Prevention

    Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety and envisaging all the potential danger situations.
  • Page 9: Technical Description Of The Burner

    230V / 50-60Hz 110/50/60 110V / 50-60Hz 3/230/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RS 25/M C05 1/230 50-60Hz Direct 20159191 RS 25/M C05 1/230/50-60Hz Direct 20159192 RS 35/M C05 1/230/50-60Hz Direct 20159193 RS 35/M C05...
  • Page 10: Burner Categories - Countries Of Destination

    SE - FI - AT - GR - DK - ES - GB - IT - IE - PT - IS - CH - NO 2ELL (43.46 ÷ 45.3 MJ/m (0°C)) 2L - 2E - 2E(R)B LU - PL Technical data Model RS 25/M C05 RS 35/M C05 Type S026T S027T Output Max. 125 - 340 200 - 440 108 - 295...
  • Page 11: Maximum Dimensions

    Technical description of the burner Maximum dimensions The dimensions of the burner are given in Fig. 1. T ( 1 ) 20147143 Fig. 1 T (1) RS 25/M C05 11/2” RS 35/M C05 11/2” Tab. C Blast tube: short-long Burner equipment Flange for gas train .
  • Page 12: Firing Rates

    ATTENTION The MINIMUM OUTPUT must not be lower than the minimum shown on page 18. limit of the diagram: RS 25/M C05 = 70 kW RS 35/M C05 = 82 kW RS 25/M C05 20160301 Thermal power...
  • Page 13: Test Boiler

    Technical description of the burner Test boiler 4.9.1 Commercial boilers The burner/boiler combination does not pose any problems if the boiler is EC approved and its combustion chamber dimensions The burner/boiler combination does not pose any problems if the are similar to those indicated in the diagram (Fig. 3). boiler is EC approved and its combustion chamber dimensions If the burner must be combined with a boiler that has not been EC are similar to those indicated in the diagram (Fig.
  • Page 14: Burner Description

    19 Motor contact maker and thermal cut-out with reset button (differential operating type) (RS 35/M C05 three-phase) Flame sensor probe 20 Motor capacitor (RS 25/M C05 single-phase) Air pressure socket 21 Control box with lockout pilot light and lockout reset button Gas pressure test point and head fixing screw...
  • Page 15: 4.11 Control Box Rmg/M88

    To avoid accidents, material or environmental damage, observe the following instructions! The control box RMG/M 88.. is a safety device! ATTENTION Avoid opening or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility damage resulting from unauthorised interventions! ...
  • Page 16: 4.12 Servomotor Sqn

    Technical description of the burner 4.12 Servomotor SQN.. Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying forcing ATTENTION servomotor.  All interventions (assembly and installation operations, assistance, 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 is to The installation of the burner must be carried out be installed, and arranging for the environment to be illuminated by qualified personnel, as indicated in this manual correctly, proceed with the installation operations.
  • Page 18: Operating Position

    The position of the threaded holes can be marked using the thermal insulation screen supplied with the burner. Ø  Separate the combustion head from the rest of the burner RS 25/M C05 (Fig. 10): RS 35/M C05  Remove the cover.
  • Page 19: Access To Head Internal Part

    Installation Access to head internal part In order to reach inside the combustion head (Fig. 11) proceed as follows:  remove the screw 1) and the internal part 2).  Fix the flange 9)(Fig. 10) to the plate of the boiler interposing the insulating flange gasket 6)(Fig.
  • Page 20: Combustion Head Adjustment

    Installation Combustion head adjustment Installation operations are now at the stage where the blast tube Combustion head adjustment and sleeve are secured to the boiler as shown in Fig. 13. It is therefore particularly easy to adjust the combustion head. No.
  • Page 21: Gas Supply

    Installation Gas supply Explosion danger due to fuel leaks in the MBC “threaded” presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel shut-off valve 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 22: Gas Train

    Installation 5.9.2 Gas train 5.9.4 Gas pressure Type-approved in accordance with EN 676 and supplied Tab. F indicates the pressure drops of the combustion head and separately from the burner. gas butterfly valve, on the basis of the burner operating output. To select the correct gas train model, refer to the manual "Burner- 1 p (mbar) 2 p (mbar)
  • Page 23 Installation Column 1 Combustion head pressure drop. Gas pressure measured at test point 1)(Fig. 22), with: • combustion chamber at 0 mbar; • burner working at maximum output Column 2 Pressure loss at gas butterfly valve 2)(Fig. 22) with maximum S8738 opening: 90°.
  • Page 24: Electrical Connections

    Installation 5.10 Electrical connections Notes on safety for the electrical wiring  The electrical wiring must be carried out with the electrical supply disconnected.  Electrical wiring must be made in accordance with the regulations currently in force in the country of destination and by qualified personnel.
  • Page 25: Calibration Of The Thermal Relay (Only For Rs 35/M C05 Three-Phase)

    Installation The use of the cable grommets and the pre-blanked holes can be done in different manners; for example: RS 25-35/M C05 single-phase 7-pole socket for single-phase power supply, thermostat/ pressure switch TL 6-pole socket for gas valves, gas pressure switch or de- vice for checking the valve seal 4-pole socket for thermostat/pressure switch TR 5-pole socket, not used...
  • Page 26: 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 Before starting up the burner, refer to section by qualified personnel, as indicated in this manual "Safety test - with no gas supply”...
  • Page 27: Burner Ignition

    Start-up, calibration and operation of the burner Burner ignition Once the above steps are completed, the burner should ignite. In the event the burner stops, in order to prevent If the motor starts but the flame does not appear and the control any damage to the installation, do not unblock the box goes into lockout, reset and wait for a new ignition attempt.
  • Page 28: Max. Output

    Start-up, calibration and operation of the burner Adjustment of air delivery Progressively adjust the starting profile of cam 4)(Fig. 27) by turning the screws working through the access hole 6)(Fig. 27). It is preferable not to turn the first screw since this is used to set the air damper to its fully closed position.
  • Page 29: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner Pressure switch adjustment 6.6.1 Air pressure switch 6.6.2 Gas minimum pressure switch Adjust the air pressure switch after performing all other burner Adjust the minimum gas pressure switch after performing all the adjustments with the air pressure switch set to the start of the other burner adjustments with the pressure switch set to the start scale (Fig.
  • Page 30: Servomotor Adjustment

    Start-up, calibration and operation of the burner Servomotor adjustment The servomotor provides simultaneous adjustment of the air damper, by means of the variable profile cam and the gas butterfly valve. The angle of rotation of the servomotor is equal to the angle on the graduated sector controlling the gas butterfly valve.
  • Page 31: Burner Operation

    Start-up, calibration and operation of the burner Burner operation 6.8.1 Burner start-up STANDARD IGNITION TL thermostat/pressure switch closes. (no. = seconds from instant 0) Start of electrical control box programme. Servomotor starts: turn 90° to the left, i.e. until the contact on cam I in- tervenes (Fig.
  • Page 32: Burner Start-Up Cycle Diagnostics

    Start-up, calibration and operation of the burner Burner start-up cycle diagnostics 6.9.1 Resetting of control box and diagnostics use During start-up, indication is according to the colour code table (Tab. G). The control box supplied features a diagnostics function, through which any causes of malfunctioning can be easily identified Sequences Colour code...
  • Page 33: Final Checks (With Burner Operating)

    Start-up, calibration and operation of the burner 6.10 Final checks (with burner operating)   Disconnect a wire of the minimum gas pressure switch  Open the thermostat/pressure switch TL The burner must stop  Open the thermostat/pressure switch TS ...
  • Page 34: Maintenance

    Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Before carrying out any maintenance, cleaning or checking safety, yield and duration of the burner. operations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time.
  • Page 35: Combustion Control (Gas)

    Maintenance Flame inspection window 7.2.4 Combustion control (gas) Carry out an analysis of the combustion flue gases. Clean the glass of the flame inspection window. Significant differences with respect previous measurements indicate the points where most care should be Switchboard maintenance (Fig. 35) exercised during maintenance.
  • Page 36: Opening The Burner

    Maintenance Opening the burner Remove the screws 2)(Fig. 10 on page 16) and tighten the two extensions 25)(Fig. 4 on page 12) supplied with the burner. Disconnect the electrical supply from the burner Retighten the two screws 2)(Fig. 10 on page 16) on the terminal by means of the main system switch.
  • Page 37: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions In the event the burner stops, in order to prevent In the event there are further lockouts or faults any damage to the installation, do not unblock the with the burner, the maintenance interventions burner more than twice in a row.
  • Page 38 Faults - Possible causes - Solutions Signal Problem Probable cause Suggested remedy 10 blinks The burner does not Incorrect electrical wiring Check switch on, and the lockout appears The burner goes into Defective control box Replace lockout Presence of electromagnetic disturbances in the Filter or eliminate thermostat lines Presence of electromagnetic disturbance...
  • Page 39 Appendix - Accessories Appendix - Accessories Differential circuit breaker kit Kit continuous purging Burner Code Burner Code All models 3010448 All models 3010449 Software interface kit Maximum gas pressure switch Burner Code Burner Code All models 3002719 All models 3010418 Kit hourcounter Gas trains in compliance with EN 676 Burner...
  • Page 40 Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Operational layout RS 25/M C05 RS 35/M C05 1 Ph RS 35/M C05 3 Ph Operational layout RS 25-35/M C05 1 Ph RS 35/M C05 3 Ph...
  • Page 41 Appendix - Electrical panel layout 20159324...
  • Page 42 Appendix - Electrical panel layout 20159324...
  • Page 43 Appendix - Electrical panel layout 20159324...
  • Page 44 Appendix - Electrical panel layout 20159324...
  • Page 45 Appendix - Electrical panel layout 20159324...
  • Page 46 Appendix - Electrical panel layout 20159324...
  • Page 47 Appendix - Electrical panel layout 20159324...
  • Page 48 Appendix - Electrical panel layout 20159324...
  • Page 49 Appendix - Electrical panel layout Wiring layout key Electrical control box 5-pin plug Radio noise filter 6-pin plug Output power regulator RWF 7-pin plug Input under current 4...20 mA DC 9-pin plug Input under current 4...20 mA DC to modify the setpoint Components on burners Components on boiler...
  • Page 52 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...

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