Riello RS 310/EV MZ Installation, Use And Maintenance Instructions
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Riello RS 310/EV MZ Installation, Use And Maintenance Instructions

Riello RS 310/EV MZ Installation, Use And Maintenance Instructions

Forced draught gas burners
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Installation, use and maintenance instructions
Forced draught gas burners
GB
Modulating operation
CODE
20074274 - 20074275
20074276 - 20074277
20074278
20074279
MODEL
RS 310/EV MZ
RS 410/EV MZ
RS 510/EV MZ
RS 610/EV MZ
TYPE
1142T2
1143T2
1144T2
1145T2
20081760 (6) - 09/2021

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Summary of Contents for Riello RS 310/EV MZ

  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Modulating operation CODE MODEL TYPE 20074274 - 20074275 RS 310/EV MZ 1142T2 20074276 - 20074277 RS 410/EV MZ 1143T2 20074278 RS 510/EV MZ 1144T2 20074279 RS 610/EV MZ 1145T2 20081760 (6) - 09/2021...
  • 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 Start-up, calibration and operation of the burner ........................31 Notes on safety for the first start-up ...........................31 Adjustments prior to ignition............................31 Start-up procedure ..............................31 Air / fuel adjustment ..............................32 6.4.1 Air adjustment for maximum output ...........................32 6.4.2 Air/fuel adjustment and output modulation system ....................32 6.4.3 Burner adjustment..............................32 6.4.4...

  • Page 5: Declarations

    Legnago, 03.05.2021 Research & Development Director RIELLO S.p.A. - Burner Department Mr. F. Maltempi 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 Model Type...

  • 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 at-  is an integral and essential part of the product and must not mosphere 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 rules of safety and envisaging all the potential danger situations.

  • Page 9: Technical Description Of The Burner

    Technical description of the burner Technical description of the burner Burner designation Range: Fuel: Natural gas Gas oil Gas oil / Methane Heavy oil Size Adjustment : Two stage (light oil) / Proportional valve (gas) Electronic cam Electronic cam with variable speed (with Inverter) Proportional air/gas valve Mechanical cam Emission:...

  • Page 10: Models Available

    Technical description of the burner Models available Designation Voltage Start-up Code 3/230/50 Inverter 20074274 RS 310/EV MZ FS1/FS2 3/400/50 Inverter 20074275 3/230/50 Inverter 20074276 RS 410/EV MZ FS1/FS2 3/400/50 Inverter 20074277 RS 510/EV MZ FS1/FS2 3/400/50 Inverter 20074278 RS 610/EV MZ FS1/FS2...

  • Page 11: Electrical Data

    Technical description of the burner Electrical data Model RS 310/EV MZ RS 410/EV MZ RS 310/EV MZ RS 410/EV MZ Type (FS1/FS2*) 1142T2 1143T2 1142T2 1143T2 Main electrical supply 3 ~ 230V +/-10% 50 Hz 3N ~ 400V +/-10% 50 Hz...

  • Page 12: Maximum Dimensions

    The maximum dimensions of the open burner are indicated by the L and R positions. The l position is reference for the refractory thickness of the boiler door. 20072082 Fig. 2 RS 310/EV MZ 1178 DN65 1015 RS 410/EV MZ 1178...

  • Page 13: Firing Rates

    1013 mbar (approx. 0 m limit of the diagram: a.s.l.), and with the combustion head adjusted as WARNING shown on page 24. Model RS 310/EV MZ RS 410/EV MZ RS 510/EV MZ RS 610/EV MZ Tab. G 20072010...

  • Page 14: Test Boiler

    Technical description of the burner Test boiler The burner/boiler combination does not pose any problems if the The firing rates were set in relation to special test boilers, accord- boiler is EC approved and its combustion chamber dimensions ing to EN 676 regulations. are similar to those indicated in the diagram (Fig.

  • Page 15: Burner Description

    Technical description of the burner 4.11 Burner description ASSEMBLY VIEW 20082864 Fig. 5 Lifting rings The burner can be opened to the right or to the left Fan motor without links to the fuel supply side. Air damper servomotor Combustion head gas pressure test point Combustion head To open the burner see section “Access to head Ignition electrode...

  • Page 16: Electrical Panel Description

    Technical description of the burner 4.12 Electrical panel description 20081976 Fig. 6 Electrical control box ON/OFF selector Output regulator Earth terminal Supply cables and external connections passage. See sec- tion “Electrical wiring” on page 29 Bracket for applying the kits Main terminal supply board Relay with clean contacts for signalling the burner is in lock- Relay with clean contacts for signalling the burner is operat-...

  • Page 17: Control Box For The Air/Fuel Ratio (Rec37

    To avoid accidents, material and/or environmental damage, observe the following instructions! The control box is a safety device! Avoid opening WARNING or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for dam- age resulting from unauthorised interventions! Risk of explosion!
  • Page 18 Technical description of the burner Technical data Control box Mains voltage AC 230 V -15% / +10% Mains frequency 50 / 60 Hz ±6% Power absorption < 30 W Safety class I, with components in compliance with II and III, ac- cording to DIN EN 60730-1 Load on Fuse on the control box (can be inspected)

  • Page 19: Operation Sequence Of The Burner

    Technical description of the burner 4.14 Operation sequence of the burner Operation Start-up Switching off Checking of seal Phase number 10 12 81 82 Timer - Resolution - Ratio 0,6 s 27 s 30 s Timer 1 (parameters) Timer 2 (parameters) Timer 3 = max.

  • Page 20: 4.14.1 List Of Phases

    Technical description of the burner 4.14.1 List of phases Phase Description Phase Description Ph44 t44 = interval time 1 Ph00 Lockout phase Ph60 Operation Ph02 Safety phase Ph62 The burner moves to the switching off position Ph10 Closing paused Ph70 t13 = post-combustion time Ph12 Standby...

  • Page 21: 4.15.2 Description Of The Buttons

    Technical description of the burner 4.15.2 Description of the buttons Button Button Function To adjust the fuel servomotor Button F (keep pressed and adjust the value by pressing To adjust the air servomotor Button A (keep pressed and adjust the value by pressing To change the mode setting parameter P Buttons A and F VSD function...

  • Page 22: Servomotor (Sqm33

    Technical description of the burner 4.16 Servomotor (SQM33..) Warnings To avoid accidents, material or environmental damage, observe the following instructions! Do not open, modify or force the actuators. WARNING  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel.

  • Page 23: 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 24: Operating Position

    5) must be inserted between the boiler fettling 2) and the blast tube 4). The refractory can have a conical shape (minimum 60°). RS 310/EV MZ This protective fettling must not compromise the extraction of the RS 410/EV MZ blast tube.

  • Page 25: Access To Head Internal Part

    Installation Access to head internal part The burner leaves the factory set for opening to the left, therefore maintaining the pin 1)(Fig. 16) in the housing. To open the burner towards the left, proceed as follows: A Disconnect the plug/socket 9)(Fig. 16) of the maximum gas pressure switch;...

  • Page 26: Gas Butterfly Valve

    Installation Gas butterfly valve If necessary, replace the gas butterfly valve. The correct position is shown in Fig. 18. Fig. 18 20078516 5.10 Combustion head adjustment 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) anti- clockwise.
  • Page 27 Installation Below is a diagram (Fig. 21) that shows the recommended ad- NOTE: justment of the combustion head. Depending on the specific application, the adjustment can be modified. No. Notches (air = gas) 20078016 Maximum burner output (kW) Fig. 21 20081760...

  • Page 28: Gas Pressures

    Installation 5.11 Gas pressures Explosion danger due to fuel leaks in the pres- MBC “threaded” ence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel interception tap is closed be- fore performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws.

  • Page 29: 5.11.2 Gas Train

    Installation 5.11.2 Gas train Approved according to standard EN 676 and provided separately Make sure that the gas train is properly installed from the burner. by checking for any fuel leaks. 5.11.3 Gas train installation The operator must use the required equipment during installation.

  • Page 30: 5.11.4 Gas Pressure

    Installation 5.11.4 Gas pressure 1 p (mbar) 2 p (mbar) Tab. M indicates the minimum pressure drops along the gas sup- G 20 G 25 G 20 G 25 ply line, depending on the maximum burner output. 1300 The values shown in Tab. M refer to: 1560 –...

  • Page 31: Electrical Wiring

    Installation 5.12 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 made in accordance with the regulations currently in force in the country of destination and by qualified personnel.

  • Page 32: Supply Cables And External Connections Passage

    Installation 5.12.1 Supply cables and external connections passage All the cables to be connected to the burner must be threaded through cable grommets. The use of the cable grommets can take various forms; by way of example see Fig. 27. Key (Fig.

  • Page 33: 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 Refer to paragraph “Safety test - with gas ball by qualified personnel, as indicated in this manual valve closed”...

  • Page 34: Air / Fuel Adjustment

    Start-up, calibration and operation of the burner Air / fuel adjustment 6.4.4 Output upon ignition Air/fuel synchronisation is carried out with the relevant air and gas servomotors by logging a calibration curve by using the elec- Ignition must occur at a lower output than the max. operation out- tronic cam.

  • Page 35: Final Adjustment Of The Pressure Switches

    Start-up, calibration and operation of the burner Final adjustment of the pressure switches 6.5.1 Air pressure switch Adjust the air pressure switch (Fig. 30) after performing all other burner adjustments with the air pressure switch set to the start of the scale.

  • Page 36: Pressure Switch Adjustment

    Start-up, calibration and operation of the burner Pressure switch adjustment 6.6.1 Maximum gas pressure switch Adjust the maximum gas pressure switch (Fig. 31) after making all other burner adjustments with the maximum gas pressure switch set to the end of the scale. To calibrate the maximum gas pressure switch, open the tap and then connect a pressure gauge to its pressure test point.

  • Page 37: Visualisation And Programming Mode

    Start-up, calibration and operation of the burner Visualisation and programming mode 6.7.1 Normal mode 6.7.1.4 Error state message, display of the errors and information The Normal mode is the standard operation mode visualised on the operator panel display. It is the main level of the menu. The display visualises alternately the error code (in the example ...

  • Page 38: Info Mode

    Start-up, calibration and operation of the burner 6.7.1.5 Reset procedure Releasing the “F” key, the standard visualisation appears, with the current load percentage flashing: this means that the burner The burner is in lockout when the red indicator light on the oper- is working in Manual mode (any outside adjustment is excluded ator panel is lit up, and the display visualises the lockout code (in and only the safety devices are active).

  • Page 39: Service Mode

    Start-up, calibration and operation of the burner 6.7.3 Service mode 6.7.4 Parameters Mode The Service mode (SEr) visualises the error log and certain The Parameters Mode (PArA) displays and allows you to modi- technical information about the system. To access this level you fy/programme the parameters list on page 46.

  • Page 40: Parameter Modification Procedure

    Start-up, calibration and operation of the burner 6.7.4.2 Assigning parameter levels The password must only be communicated to the The parameters level is subdivided into groups as shown in Tab. P. qualified personnel or the Technical Assistance Parameter Service, and must be kept in a safe place. WARNING 100: ParA General parameters...
  • Page 41 Start-up, calibration and operation of the burner 6.8.0.1 Procedure for inserting and adjusting points on Select another point, or exit this area by pressing the keys “+” and “-” (ESC) simultaneously. the modulation curve Nine adjustment/calibration points (P1 ÷ P9) can be inserted in the control box for each servomotor, varying their position by de- grees and, consequently, the quantity of air and fuel introduced.

  • Page 42: Modify "Acceleration- Deceleration Train" Parameter

    Start-up, calibration and operation of the burner 6.8.1 Modify "acceleration- deceleration train" 6.8.2 Modify the parameter for continuous/ parameter intermittent operation (FS2/FS1) The burner leaves the factory with the parameters 522 (acceler- The burner leaves the factory with parameter 239 set at “1”. This ation) and 523 (deceleration) already set.

  • Page 43: Start-Up Procedure

    Start-up, calibration and operation of the burner Start-up procedure Check that the operator panel display shows the heat request Phase 24: and “OFF Upr”: this means it is necessary to set the modulation The burner goes to the pre-purging position, the air servomotor curve of the burner.
  • Page 44 Start-up, calibration and operation of the burner Solve the problem, referring to the paragraph “Ignition failure” on Halfway through the procedure (i.e. around point P4 or P5), you page 50. are advised to measure gas delivery and check that the output is about 50% of the maximum output.

  • Page 45: Backup / Restore Procedure

    Start-up, calibration and operation of the burner 6.10 Backup / Restore procedure At the end of the "Start-up procedure" it is wise to carry out a The parameter bAC_UP appears on the display screen: backup, creating a copy of the data memorised on the REC, in the RDI 21 display panel.

  • Page 46: 6.10.2 Restore

    Start-up, calibration and operation of the burner NOTE: The parameter bAC_UP appears on the display screen: If an error occurs during the backup process, the display screen shows a negative value. Refer to diagnostic code 137 to determine the cause of the error (see section “List of error codes”...
  • Page 47 Start-up, calibration and operation of the burner The value 1 appears on the display screen: h min s After approx 8 seconds (it depends on the duration of the pro- gramme), the 0 value appears on the display screen, this is to in- dicate that the restore process has been completed correctly.

  • Page 48: 6.10.3 List Of Parameters

    Start-up, calibration and operation of the burner 6.10.3 List of parameters Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment INTERNAL PARAMETERS Start backup/restore process via RDI21... / PC TOOL (set the parameter to 1) Index 0 = create backup Modification...
  • Page 49 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Parity for Modbus 0 = none Modification Service Mode 1 = odd 2 = even Selection of the burner operation during the interrup- tion of the switch-over with the system of remote man-...
  • Page 50 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Maximum repeats of minimum gas pressure switch intervention 1 = No repetition Modification Service Mode 2...15 = Number of repetitions...
  • Page 51 Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Position of the fuel servomotor in absence of flame Index 0 = standby position (°) Modification 0°...

  • Page 52: Operation

    Start-up, calibration and operation of the burner Parameter Unit of Values interval No. of Modifica- Degree of Predefined measure- Access mode elements tion precision setting Description Min. Max. ment Result of the sampling of the contact (codified in bits) Bit 0.0 = 1: Minimum pressure switch Bit 0.1 = 2: Maximum pressure switch Bit 0.2 = 4: Pressure switch control valves Bit 0.3 = 8: Air pressure switch...

  • Page 53: Burner Flame Goes Out During Operation

    Start-up, calibration and operation of the burner 6.13 Burner flame goes out during operation If the flame should go out during operation, the burner will lockout within 1s. 6.14 Stopping of the burner The burner can be stopped by: There are now two possibilities: ...

  • Page 54: 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 oper- safety, yield and duration of the burner. ations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time.

  • Page 55: Safety Components

    Maintenance Gas filter 7.2.4 Safety components Change the gas filter when it is dirty. The safety components should be replaced at the end of their life cycle indicated in the following table. Combustion The specified life cycles do not refer to the warranty terms indi- If the combustion values measured before starting maintenance cated in the delivery or payment conditions.

  • Page 56: Measuring The Ionisation Current

    Maintenance 7.2.5 Measuring the ionisation current 7.2.6 Checking the air and gas pressure on the combustion head The burner is fitted with an ionisation system to check that a flame is present. To carry out this operation it is necessary to use a pressure gauge to measure the air and gas pressure at the combustion head, as The minimum current for control box operation is 4 µA.

  • Page 57: Opening The Burner

    Maintenance Opening the burner Turn off the burner's power supply using the main system switch. DANGER Turn off the fuel interception tap. DANGER Wait for the components in contact with heat sources to cool down completely. To open the burner, use the same procedure set out in “Access to head internal part”...

  • Page 58: Faults - Possible Causes - Solutions

    Faults - Possible causes - Solutions Faults - Possible causes - Solutions If faults arise in ignition or operations, the burner performs a In the event the burner stops, in order to prevent "safety stop", which is signalled by the red burner lockout LED. any damage to the installation, do not unblock the The display of the operator panel visualises alternately the lock- burner more than twice in a row.
  • Page 59 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code Leak test Check if the valve on the side of the burner has any leaks. V2 leaks Check if the pressure switch for the leak test (PGVP) is closed when gas pressure is not present.
  • Page 60 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code Safety circuit open /Burner flange, air pressure, fuel pressure, POC - Alarm lockout at start Safety circuit open /Burner flange, extraneous light, air pressure, fuel pressure, POC - Alarm lockout at start Carry out a reset;...
  • Page 61 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code The standard unit does not receive pulses from the speed sensor: 1. The motor does not turn. Speed sensor circuit open 2. The speed sensor is not connected. 3.
  • Page 62 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code The speed has not been reached because there are too many Bit 2 Stop caused by electromagnetic interference electromagnetic interferences on the sensor line. For the Valence 4...7 measurements, see error code 81.
  • Page 63 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code Air servomotor error It was not possible to reach the target position within the Position error requested tolerance range. 1. Check if the servomotor is blocked or overloaded. Open circuit detected on the connection of the servomotor Bit 0 Circuit open...
  • Page 64 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code 0 Min. pressure switch 1 Max. pressure switch 2 Valve operation test pressure switch 3 Air pressure 4 Load controller open 5 Load controller on/off Can be caused by capacitive loads or presence of DC voltage 6 Load controller closed Blocked upon irregularity...
  • Page 65 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code The backup data are incompatible with the current version of the 244 (-12) The backup data are incompatible software; the restoration is not possible 245 (-11) Error in access to the parameter Restore_Complete Repeat the reset and backup...
  • Page 66 Faults - Possible causes - Solutions Error Diagnostic code Meaning of the REC 37.400A2 system Recommended measures code Phase number Program stop The program stop is active (no error) Carry out a reset; if the error arises repeatedly, replace the Internal error control box Combination of control box and operator panel not...

  • Page 67: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Kit for modulating operation Burner Output regulator Code All models RWF 50.2 3-POINT OUTLET 20085417 All models RWF 55.5 COMPLETE WITH RS-485 INTERFACE 20074441 All models RWF 55.6 COMPLETE WITH RS-485/PROFIBUS INTERFACE 20074442 Burner Probe Adjustment field Code...
  • Page 68 Appendix - Accessories Modbus interface kit Burner Model Code All models OCI412 3010437 PVP kit (Seal control function - See gas train booklet) Burner Ramp type Code All models MB - CB 3010344 Gas trains in compliance with EN 676 Please refer to manual.

  • Page 69: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Single-wire output layout Single-wire output layout Functional layout REC 37... Functional layout REC 37... Functional layout REC 37... Electrical wiring of internal output power regulator Electrical wiring that the installer is responsible for Electrical wiring that the installer is responsible for Output power regulator inputs/outputs...
  • Page 70 Appendix - Electrical panel layout 20081760...
  • Page 71 Appendix - Electrical panel layout 20081760...
  • Page 72 Appendix - Electrical panel layout 20081760...
  • Page 73 Appendix - Electrical panel layout 20081760...
  • Page 74 Appendix - Electrical panel layout 20081760...
  • Page 75 Appendix - Electrical panel layout 20081760...
  • Page 76 Appendix - Electrical panel layout 20081760...
  • Page 77 Appendix - Electrical panel layout 20081760...
  • Page 78 Appendix - Electrical panel layout 20081760...
  • Page 79 Appendix - Electrical panel layout Wiring layout key Electronic cam XPGVP Gas pressure switch connector for valve leak detec- tion control device Display and calibration unit XRWF Terminal board for output power regulator Output regulator RWF internal XSM1 Air servomotor connector Output regulator RWF external XSM2 Gas servomotor connector...
  • Page 80 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:

Rs 410/ev mzRs 510/ev mzRs 610/ev mz1142t21143t21144t2 ... Show all

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