Riello RS 64/M MZ Installation, Use And Maintenance Instructions
  1. Manuals
  2. Brands
  3. Riello Manuals
  4. Burner
  5. RS 64/M MZ
  6. Installation, use and maintenance instructions
Riello RS 64/M MZ Installation, Use And Maintenance Instructions

Riello RS 64/M MZ Installation, Use And Maintenance Instructions

Forced draught gas burners
Hide thumbs Also See for RS 64/M MZ:
Table of Contents

Advertisement

Quick Links

Download this manual
Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two-stage or modulating operation
CODE
20169339
20169331
MODEL
RS 64/M MZ
RS 64/M MZ
TYPE
882 T
882 T
20169372 (5) - 02/2023

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RS 64/M MZ and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Riello RS 64/M MZ

Summary of Contents for Riello RS 64/M MZ

  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 20169339 RS 64/M MZ 882 T 20169331 RS 64/M MZ 882 T 20169372 (5) - 02/2023...
  • 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 6.5.4 Intermediate outputs ..............................27 Pressure switch adjustment ............................28 6.6.1 Air pressure switch..............................28 6.6.2 Maximum gas pressure switch...........................28 6.6.3 Minimum gas pressure switch............................29 Servomotor adjustment ..............................29 6.7.1 Flame presence check ...............................29 6.7.2 Check Mode ................................29 Burner operation ................................30 6.8.1 Burner start-up ................................30 6.8.2 Steady state operation ...............................30 6.8.3...

  • Page 5: Declarations

    Declarations Declarations Manufacturer's Declaration RIELLO S.p.A. declares that the following products comply with the NOx emission limits specified by German standard “1. BImSchV revision 26.01.2010”. Product Type Model Output Forced draught gas burners 882 T RS 64/M MZ 150 - 850 kW...

  • Page 6: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction DANGER: EXPLOSION The instruction manual supplied with the burner: This symbol signals places where an explosive  is an integral and essential part of the product and must not atmosphere may be present.

  • 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 safety rules and envisaging all the potential danger situations.

  • Page 9: Technical Description Of The Burner

    3/400/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Power supply voltage Start-up Code RS 64/M MZ 3 ~ 400 / 230V - 50Hz Direct 20169339 RS 64/M MZ 3 ~ 400 / 230V - 50Hz Direct 20169331 Tab. A...

  • Page 10: Burner Categories

    ES, GB, IE, PT II2H3P (43.46 ÷ 45.3 MJ/m (0°C)) 2L - 2E - Tab. B Technical data Model RS 64/M MZ Output Max. 400 ÷ 850 Mcal/h 345 ÷ 730 Min. Mcal/h Fuel Natural gas: G20 (methane) - G25 Gas pressure at max.

  • Page 11: Maximum Dimensions

    Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part drawn back on the slide bars. D3906 Fig. 1 RS 64/M MZ 250 - 385 2” Tab. E (1) Blast tube: short-long Firing rate The maximum output must be selected within area A (Fig.

  • Page 12: Test Boiler

    Technical description of the burner Test boiler The firing rates were obtained in special test boilers, according to Although combination is guaranteed when boiler has a CE type- EN 676 standard. approval, preliminary tests are recommended for boilers or furnaces having a combustion chamber size much different than In Fig.

  • Page 13: Burner Description

    Technical description of the burner 4.11 Burner description 20169841 20169840 Fig. 4 Combustion head Two types of burner lockout may occur: Ignition electrode CONTROL BOX LOCKOUT: Screw for combustion head adjustment Pipe coupling if the control box 19) push-button lights up, it indicates that the Minimum air pressure switch (differential type) burner is in lockout.

  • Page 14: Electrical Panel Description

    Technical description of the burner 4.12 Electrical panel description 20169843 Fig. 5 Power switch for: automatic - manual - off operation Button for: power increase - power reduction Motor contactor and thermal relay with reset button Terminal board for electric connection Control box base Filter to protect against radio disturbance Ignition transformer...

  • Page 15: 4.13 Control Box Rfgo-A22

    Technical description of the burner 4.13 Control box RFGO-A22 Important notes To avoid accidents, material or environmental damage, observe the following instructions! The control box is a safety device! Avoid opening ATTENTION or modifying it, or forcing its operation. The Manufacturer cannot assume any responsibility for damage resulting from unauthorised work! ...

  • Page 16: Servomotor (Sqn90

    Technical description of the burner 4.14 Servomotor (SQN90...) Important notes 20162744 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 range of available lengths L, is as follows: Blast tube Short (mm) Long (mm) RS 64/M MZ Tab. I D455 Fig. 10 For boilers with front flue passes 15) or flame inversion chambers, a protection in heat-resistant material 11) must be inserted between the boiler refractory 12) and the blast tube 10).

  • Page 19: Positioning The Probe - Electrode

    Installation Positioning the probe - electrode Before securing the burner to the boiler, check D3984 (through the opening of the blast tube) that the probe and electrode are correctly positioned, as in Fig. 13. ATTENTION If the probe or electrode is not correctly positioned, you must: ...

  • Page 20: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler D3984 Provide an adequate lifting system of the burner. Divide the combustion head from the rest of the burner, as shown in Fig. 14; you have to:  Remove the screw 13) and extract the cover 14). ...

  • Page 21: Combustion Head Adjustment

    Installation Combustion head adjustment At this stage of installation the blast tube and the pipe coupling D3905 are secured to the boiler as shown in Fig. 16. Therefore the adjustment of the combustion head is particularly easy, an adjustment that depends solely on the maximum power of the burner.

  • 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 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 23: Gas Train

    Installation 5.9.2 Gas train 5.9.4 Gas pressure Type-approved in accordance with EN 676 and supplied Tab. J indicates the pressure drops of the combustion head and separately from the burner. gas butterfly valve depending on the burner operating output. 1 p (mbar) 2 p (mbar) 5.9.3 Gas train installation...
  • Page 24 Installation Example with G 20 natural gas: Maximum output operation Gas pressure at test point 1)(Fig. 24) 9.4 mbar Pressure in combustion chamber 2.0 mbar 9.4 - 2.0 7.4 mbar A pressure of 7.4 mbar, column 1, corresponds in the table Tab. J to an output of 700 kW.

  • Page 25: 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 26: Supply Cables And External Connections Passage

    Installation 5.10.1 Supply cables and external connections passage Cable grommets can be used in different manners; for example: 20169958 Pg 11 Three-phase power supply Pg 11 Single-phase power supply Pg 9 TL remote control Pg 9 TR remote control or probe (RWF) Pg 11 Gas valves (when RG1/CT or LDU 11 leak detection control device is not fitted)

  • Page 27: 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 by qualified personnel, as indicated in this manual Before starting up the burner, refer to section and in compliance with the standards and “Safety test - with no gas supply”...

  • Page 28: Burner Ignition

    Start-up, calibration and operation of the burner Burner ignition Once the above steps are completed, the burner should ignite. If the burner locks out again, refer to chapter “Problems - Causes - Remedies signalled by LED indicators” on page 36. If the motor starts but the flame does not appear and the control box goes into lockout, reset and wait for a new ignition attempt.

  • Page 29: Minimum Output

    Start-up, calibration and operation of the burner NOTE: The servomotor follows the adjustment of cam III only when the angle of the cam is reduced. If it is necessary to increase the angle of the cam, you must first increase the angle of the servomotor by means of the “output increase”...

  • Page 30: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner Pressure switch adjustment 6.6.1 Air pressure switch 6.6.2 Maximum gas pressure switch The air pressure switch can be connected in differential mode, Adjust the maximum gas pressure switch (Fig. 33) after making see 1)(Fig. 32), i.e. it is under pressure either by the depression all other burner adjustments with the maximum gas pressure or pressure generated by the fan.

  • Page 31: Minimum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.6.3 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 pressure. Adjust the minimum gas pressure switch (Fig. 34) after having adjusted the burner, the gas valves and the gas train stabiliser.

  • Page 32: Burner Operation

    Start-up, calibration and operation of the burner Burner operation 6.8.1 Burner start-up limited by the contact of cam II. The air damper closes completely to reduce heat losses to a minimum. Control remote control TL closes. Fan motor start-up. With each change of output, the servomotor automatically Servomotor starts: modifies the gas output (butterfly valve) and the air flow rate (fan 90°...

  • Page 33: 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 34: Safety Components

    Maintenance Boiler 7.2.4 Safety components Clean the boiler as indicated in its accompanying instructions in The safety components must be replaced at the end of their life order to maintain all the original combustion characteristics cycle indicated in Tab. L. intact, especially: the flue gas temperature and combustion The specified life cycles do not refer to the warranty terms chamber pressure.

  • Page 35: Opening The Burner

    Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the system main switch. D535 DANGER Close the fuel shut-off valve. DANGER Wait for the components in contact with heat sources to cool down completely.  Remove the screw 1) and extract the cover 2). ...

  • Page 36: 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 Damper...

  • Page 37: 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 Damper Damper Modulation Ignition Flame Status LED ● = ON open closed Icon S9740 S9741 S9742 S9743 S9744 S9745 S9746 Power OFF/ON...

  • Page 38: 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 Thermal unit’s operation, maintenance and indicate the cause of the stop. troubleshooting interventions must be carried out The terminal T3 is not powered.
  • Page 39 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 40 Problems - Causes - Remedies signalled by LED indicators Faults LED 1 LED 2 LED 3 LED 4 LED 5 LED 6 LED 7 Off-specification mains voltage ● ● ● ● ● UV: Internal fault ● ● Supervisor processor fault ●...
  • Page 41 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 Check T12, T13 and T14 outlets is correct upon ignition Local reset The user started the manual reset or the Check T21 inlet or reset for normal reset switch is faulty...
  • Page 42 Problems - Causes - Remedies signalled by LED indicators Faults Cause Solution Not used Internal processor timeout Internal fault Replace the control device Internal processor timeout Internal fault Replace the control device Combustion air check timeout The system could not perform verification tests of the combustion air during the burner Check the wiring or the air pressure switch sequence...

  • Page 43: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Extended head kit Extended head Burner Standard head length (mm) Code length (mm) RS 64/M MZ 3010427 Soundproofing box kit Burner Type dB(A) Code RS 64/M MZ C1/3 3010403 Output regulator kit for modulating operation...
  • Page 44 Appendix - Accessories Potentiometer kit with load position indication Burner Code RS 64/M MZ 3010109 Gas flange kit DN80 Burner Code RS 64/M MZ 3010439 Electromagnetic interference protection kit If the burner is installed in places particularly subject to radio...

  • Page 45: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Reference indication Functional layout RFGO-A22 Functional layout Electrical wiring that is the responsibility of the installer Functional layout RWF50... Reference indication / 1 . A 1 Sheet no. Coordinates 20169372...
  • Page 46 Appendix - Electrical panel layout 20169372...
  • Page 47 Appendix - Electrical panel layout 20169372...
  • Page 48 Appendix - Electrical panel layout 20169372...
  • Page 49 Appendix - Electrical panel layout 20169372...
  • Page 50 Appendix - Electrical panel layout Wiring layout key - Electrical control box - Filter to protect against radio disturbance - RWF Output power regulator - Burner components - Boiler components - Pressure probe - 3-wire Pt100 probe - Ionisation probe connector - Fan motor thermal relay - Three-phase line fuses - Remote lockout signalling...
  • 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...

This manual is also suitable for:

882 t

Table of Contents