Riello RS 70/E Installation, Use And Maintenance Instructions
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Riello RS 70/E Installation, Use And Maintenance Instructions

Forced draught gas burners, progressive two-stage or modulating operation
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Installation, use and maintenance instructions
Forced draught gas burners
GB
Progressive two-stage or modulating operation
CODE
3787032 - 3787033
3787232 - 3787233
3787432 - 3787433
3787632
20052617
3789210
3789211
MODEL
RS 70/E
RS 100/E
RS 130/E
RS 190/E
RS 190/E
RS 250/E MZ
RS 250/E MZ
TYPE
828 T2
829 T2
830 T2
836 T2
836 T2
866 T1
866 T1
20068428 (8) - 12/2021

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Summary of Contents for Riello RS 70/E

  • Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 3787032 - 3787033 RS 70/E 828 T2 3787232 - 3787233 RS 100/E 829 T2 3787432 - 3787433 RS 130/E 830 T2 3787632 RS 190/E...
  • 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 6.4.2 Maximum output ................................34 6.4.3 Minimum output .................................34 Final calibration of the pressure switches ........................35 6.5.1 Air pressure switch..............................35 6.5.2 Maximum gas pressure switch...........................36 6.5.3 Minimum gas pressure switch............................36 6.5.4 PVP pressure switch kit .............................36 Visualisation and programming mode........................37 6.6.1 Normal mode ................................37 6.6.2...

  • 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. BIm- SchV release 26.01.2010”. Product Type Model...

  • 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

    3/230/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RS 70/E 3 ~ 400 - 230V - 50Hz Direct 3787032 RS 70/E 3 ~ 400 - 230V - 50Hz Direct 3787033 RS 100/E 3 ~ 400 - 230V - 50Hz...

  • Page 10: Burner Categories

    AT, CH, CZ, DK, EE, FI, GR, HU, IS, IT, LT, NO, SE, SI, SK II2H3B/P ES, GB, IE, PT II2H3P II2L3B/P Tab. B Technical data Model RS 70/E RS 100/E RS 130/E Output Max. 470 ÷ 930 700 ÷ 1340 920 ÷ 1600 Mcal/h 404 ÷...

  • Page 11: Electrical Data

    Technical description of the burner Electrical data Model RS 70/E RS 100/E Main electrical supply 3 ~ 230/400V +/-10% 50Hz 3 ~ 230/400V +/-10% 50Hz Control circuit power supply 1N ~ 230V +/-10% 50Hz 1N ~ 230V +/-10% 50Hz Fan motor IE3...

  • Page 12: Maximum Dimensions

    The dimensions of the open burner are indicated by position I. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part drawn back on the guides. Fig. 1 D731 RS 70/E 250-385 1161-1296 2” RS 100/E...

  • Page 13: Firing Rates

    20°C and an atmospheric of the diagram. pressure of 1013 mbar (approx. 0 m above sea level), with the combustion head adjusted as WARNING shown at pag. 25. RS 70/E RS 100/E D9123 Thermal power Thermal power RS 190/E...

  • Page 14: Firing Rate On Basis Of Air Density

    Technical description of the burner 4.7.1 Firing rate on basis of air density If H3 is greater than H1)(Fig. 3), the burner can produce the de- livery requested. The firing rate of the burner shown in the manual is valid for a If H3 is less than H1, it is necessary to reduce the output of the room temperature of 20°C and an altitude of 0m above sea level burner.

  • Page 15: Test Boiler

    Technical description of the burner Test boiler The firing rates were obtained in special test boilers, according to The coupling is ensured when the boiler is EC type-approved; for EN 676 regulations. boilers or ovens with combustion chambers of very different di- mensions compared to those shown in the diagram of Fig.

  • Page 16: Burner Description

    Technical description of the burner 4.10 Burner description RS 190/E RS 190/E - RS 250/E MZ RS 70-100-130/E RS 250/E MZ seen from A D8038 Fig. 5 Combustion head 21 Gas pressure test point and head fixing screw Ignition electrode 22 Air pressure socket Screw for combustion head adjustment 23 Flame sensor probe...

  • Page 17: Control Box For The Air/Fuel Ratio (Rec 27.100A2)

    To avoid accidents, material 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 Electrical connection of flame detector trocution; it must be protected against any accidental con- tact. It is important for signal transmission to be almost totally free  The grounding of the burner must be in compliance with the of any disturbances or loss: rules in force;...
  • Page 19 Technical description of the burner Cable lengths – Main line AC 230 V Max. 100 m (100 pF / m) – Display, BCI For installation under the casing of the burner or in the control panel max. 3 m (100 pF / m) –...

  • Page 20: Operation Sequence Of The Burner

    Technical description of the burner 4.12 Operation sequence of the burner Operation Checking of Start up Shutdown seal TSA1 Phase number Timer - Resolution - Ratio 0.6s Timer 1 (parameters) Timer 2 (parameters) Timer 3 = max. phase time RAST plug Input signals PIN number Thermostat/pressure switch...

  • Page 21: 4.12.1 List Of Phases

    Technical description of the burner 4.12.1 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 22: 4.13.2 Buttons Description

    Technical description of the burner 4.13.2 Buttons description Button Button Function To regulate the fuel servomotor Button F (keep pressed and adjust the value by pressing To regulate the servomotor air Button A (keep pressed and adjust the value by pressing To modify the parameter for setting the P mode Button A and F VSD Function...

  • Page 23: Servomotors (Sqm33

    Technical description of the burner 4.14 Servomotors (SQM33..) Important notes To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the servo- WARNING motor.  All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ...

  • Page 24: Installation

    Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will The installation of the burner must be carried out be installed, and arranging the correct lighting of the environ- by qualified personnel, as indicated in this manual ment, proceed with the installation operations.

  • Page 25: Operating Position

    D455 Fig. 13 case it must be greater than the thickness of the boiler door com- plete with its refractory. The lengths L available are: RS 70/E 275-325 M 12 RS 100/E 275-325 M 12...

  • Page 26: Positioning Probe - Electrode

    Installation Positioning probe - electrode Before fixing the burner to the boiler, check from the opening of the blast tube that the probe and the electrode are correctly positioned, as in Fig. 15. WARNING If, in the previous check, the position of the probe or electrode was not correct, is necessary: ...

  • Page 27: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler  pull back the burner on the guides 5) by about 100 mm;  disconnect the probe and electrode leads, then unthread the Provide an adequate lifting system of the burner. burner completely from the guides. Once this operation has been carried out: ...
  • Page 28 450 Mcal/h (approx. 520 kW). Example: RS 70/E burner output = 600 kW. According to diagram (Fig. 17) the gas and air adjustments for this output are carried out on notch 4.

  • Page 29: Burner Closing

    Installation Burner closing Once the combustion head adjustment is completed:  connect the socket of the maximum gas pressure switch;  reassemble the burner on the guides 3) at about 100 mm  refit the screws 2) on the guides 3); from the pipe coupling 4) - burner in the position shown in ...

  • Page 30: Gas Feeding

    Installation 5.10 Gas feeding Explosion danger due to fuel leaks in the pres- ence 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 31: 5.10.2 Gas Train

    Installation 5.10.2 Gas train 5.10.4 Gas pressure Type-approved in accordance with EN 676 and supplied sepa- Tab. O indicates the pressure drop of the combustion head and rately from the burner. the gas butterfly valve depending on the operating output of the burner.
  • Page 32 Installation Column 1 Load loss at combustion head. Gas pressure measured at the test point 1)(Fig. 26), with: • combustion chamber at 0 mbar; • burner working at maximum output; Column 2 Pressure loss at gas butterfly valve 2)(Fig. 26) with maximum opening: 90°.

  • Page 33: Electrical Wiring

    Installation 5.11 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 34: Calibration Of The Thermal Relay

    Installation 5.12 Calibration of the thermal relay The thermal relay is used to avoid damage to the motor owing to a strong increase in absorption or the lack of a phase. For the calibration, refer to the electrical wiring. If the minimum value of the scale of the thermal relay is greater than the rating absorption of the motor, protection is still ensured.

  • Page 35: 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 36: Burner Start-Up

    Start-up, calibration and operation of the burner Burner start-up Feed electricity to the burner via the disconnecting switch on the Follow the "Start-up procedure" at page 42. boiler panel. Close the thermostats/pressure switches and turn the switch of Fig. 30 to position “1”. Make sure that the lamps or testers connected to the solenoids, or indicator lights on the solenoids themselves, show that no voltage is present.

  • Page 37: Final Calibration Of The Pressure Switches

    Start-up, calibration and operation of the burner Final calibration of the pressure switches 6.5.1 Air pressure switch Adjust the air pressure switch (Fig. 31) after having performed all other burner adjustments with the air pressure switch set to the start of the scale. With the burner working at MIN output, insert a combustion analyser in the stack, slowly close the suction inlet of the fan (for example, with a piece of cardboard) until the CO value does not...

  • Page 38: Maximum Gas Pressure Switch

    Start-up, calibration and operation of the burner 6.5.2 Maximum gas pressure switch Adjust the maximum gas pressure switch (Fig. 32) 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 39: Normal Mode

    Start-up, calibration and operation of the burner modes. 6.5.5.4 Condition error message, display of the errors and information From Normal mode you can access other levels: – Info mode ( InFo ) The display visualises alternately the error code (in the example –...

  • Page 40: Info Mode

    Start-up, calibration and operation of the burner 6.5.5.5 Reset procedure Releasing the key “ F ” the standard visualisation appears, with the current load percentage flashing: this means that the burner is The burner is in lockout when the red indicator light on the oper- working in Manual mode (any outside adjustment is excluded and ator panel is lit up, and the display visualises the lockout code (in only the safety devices are active).

  • Page 41: Service Mode

    Start-up, calibration and operation of the burner 6.5.7 Service mode 6.5.8 Parameter mode The Service mode ( SEr ) visualises the error log and certain The Parameters Mode ( PArA ) displays, and allows to be mod- technical information about the system. To access this level you ified/programmed, the list of parameters indicated on pag.

  • Page 42: Parameter Modification Procedure

    Start-up, calibration and operation of the burner 6.5.8.2 Allocating the levels of the parameters The password must only be communicated to the The parameters' level is subdivided into groups as shown in Tab. qualified personnel or the Technical Assistance Service, and must be kept in a safe place. WARNING Parameter 100: ParA...
  • Page 43 Start-up, calibration and operation of the burner 6.6.0.1 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 44: Start-Up Procedure

    Start-up, calibration and operation of the burner Start-up procedure Check that the operator panel display shows the heat request Otherwise, modify the ignition point, see the section "Procedure and “OFF Upr” : this means it is necessary to set the modulation for inserting and adjusting points on the modulation curve"...
  • Page 45 Start-up, calibration and operation of the burner The control box will automatically report the same values set at the points “ P0 ” and “ P1 ” to points “ P2 ” to “ P8 ”. The purpose is to reach the point “ P9 ” to adjust/fix the maximum operating power.

  • Page 46: Backup / Restore Procedure

    Start-up, calibration and operation of the burner Backup / Restore procedure At the end of the "Start-up procedure" it is opportune to make a We suggest carrying out this operation at the end backup, creating a copy of the data memorised on the REC, in of each intervention that modifies what has been the display panel RDI 21.

  • Page 47: Restore

    Start-up, calibration and operation of the burner NOTE: It is advisable to perform a backup every time If an error occurs during the backup process, the display that a parameter is changed, after checking screen shows a negative value. the modification carried out is correct. To determine the cause of the error refer to diagnostic code WARNING 137 (see section "Error codes list"...
  • Page 48 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 49: Parameter List

    Start-up, calibration and operation of the burner 6.8.3 Parameter list Parameter Value range No. ele- Unit of Modifica- Degree of Default Acces mode ments measure tion accuracy setting Description Min. Max. INTERNAL PARAMETERS Start backup/restore process via RDI21... / PC TOOL (set the parameter to 1) Index 0 = create backup Modification...
  • Page 50 Start-up, calibration and operation of the burner Parameter Value range No. ele- Unit of Modifica- Degree of Default Acces mode ments measure tion accuracy setting Description Min. Max. Baud Rate for Modbus Values set: Modification Service mode 0 = 9600 1 = 19200 Parity for Modbus 0 = none...
  • Page 51 Start-up, calibration and operation of the burner Parameter Value range No. ele- Unit of Modifica- Degree of Default Acces mode ments measure tion accuracy setting Description Min. Max. Gas: selection of flame sensor 0 = QRB.../ QRC Modification Service mode 1 = ION / QRA Gas: Selection of the pre-purging function 0 = deactivated...
  • Page 52 Start-up, calibration and operation of the burner Parameter Value range No. ele- Unit of Modifica- Degree of Default Acces mode ments measure tion accuracy setting Description Min. Max. Position of the fuel servomotor in absence of flame Index 0 = standby position (°) Modification 0°...

  • Page 53: Steady-State Operation

    Start-up, calibration and operation of the burner Parameter Value range No. ele- Unit of Modifica- Degree of Default Acces mode ments measure tion accuracy setting Description Min. Max. /h, l, h, Actual output Reading only 6553.5 Info mode /h, gal/h Status of external modules and visualisation Reading only Info mode...

  • Page 54: Final Checks (With Burner Operating)

    Start-up, calibration and operation of the burner 6.13 Final checks (with burner operating)   Open the thermostat/pressure switch TL The burner must stop  Open the thermostat/pressure switch TS  Turn the gas maximum pressure switch knob to the mini- ...

  • Page 55: Maintenance

    Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safety, yield and duration of the burner. Disconnect the electrical supply from the burner It allows you to reduce consumption and polluting emissions and by means of the main system switch.

  • Page 56: Safety Components

    Maintenance Gas filter 7.2.5 Measuring the ionisation current Replace the gas filter when it is dirty. The burner is fitted with an ionisation system to check that a flame is present. Flame inspection window The minimum current for control box operation is 4 µA. The Op- Clean the glass of the flame inspection window.

  • Page 57: Opening The Burner

    Maintenance Opening the burner  Loosen the 4 screws 1)(Fig. 39) and remove the hood 2).  Assemble the two extensions supplied on the guides 4) (ver- Disconnect the electrical supply from the burner sions TL). by means of the main system switch. ...

  • Page 58: Faults - Probable Causes - Solutions

    Faults - Probable causes - Solutions Faults - Probable causes - Solutions If faults arise in ignition or operations, the burner performs a In the event of a burner lockout, more than two "safety stop", which is signalled by the red burner lockout LED. consecutive burner reset operations could cause The display of the operator panel visualises alternately the lock- damage to the installation.
  • Page 59 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code The valve leak detection is active, but the minimum gas Valve leak detection test not possible pressure switch is selected as input for X9-04 (check parameters 238 and 241) The valve leak detection is active, but no input has been Valve leak detection test not possible...
  • Page 60 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code Carry out a reset; if the error arises repeatedly, replace the 50 ÷ 58 Internal error control box Carry out a reset; if the error arises repeatedly, replace the Internal error: no valid load checking device control box Carry out a reset;...
  • Page 61 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code Overloading of the servomotor or servomotor subjected to mechanical torsion. Bit 4 Deviation of section compared with the last reference 1. Check if the servomotor is blocked in any point along its Valence ...
  • Page 62 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code Insufficient mains voltage. Low level of power supply Conversion of the diagnostic code Voltage value (230 V AC : 1,683) Error code for the carrying out of a reset in the event of power Reset power supply voltage supply restoration (absence of error) Carry out a reset;...
  • Page 63 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code 254 (-2) Interruption owing to transmission error Repeat the reset and backup 255 (-1) Interruption owing to time-out during the restoration Carry out a reset, check the connections and repeat the backup Time-out of the system automation interface Refer to the Modbus User Documentation (A7541) Modbus time-out...
  • Page 64 Faults - Probable causes - Solutions Error Diagnostic code Meaning of the REC 27.100A2 system Recommended measures code Carry out a reset; if the error arises repeatedly, replace the Internal error control box Carry out a reset; if the error arises repeatedly, replace the Internal error control box Tab.

  • Page 65: A Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Long head kit Standard head length Extended head length Burner Code (mm) (mm) RS 70/E 3010117 RS 100/E 3010118 RS 130/E 3010119 RS 190/E 3010443 RS 250/E MZ 3010412 Spacer kit Burner Thickness (mm)
  • Page 66 Appendix - Accessories Kit for LPG operation Combustion Burner Output kW Code head 20008175 RS 70/E 200/470 930 kW ÷ 20008176 20008177 RS 100/E 300/700 1340 kW ÷ 20008178 20008179 RS 130/E 300/920 1600 kW ÷ 20008180 RS 190/E 465 ÷ 2290 kW...

  • Page 67: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Operational layout REC27... Operational layout REC27... Operational layout REC27... Electrical connection set by installer Electrical connection set by installer Operational layout RWF50 Indication of references / 1 .
  • Page 68 Appendix - Electrical panel layout 20068428...
  • Page 69 Appendix - Electrical panel layout 20068428...
  • Page 70 Appendix - Electrical panel layout 20068428...
  • Page 71 Appendix - Electrical panel layout 20068428...
  • Page 72 Appendix - Electrical panel layout 20068428...
  • Page 73 Appendix - Electrical panel layout 20068428...
  • Page 74 Appendix - Electrical panel layout Wiring layout key Control box for the air/fuel ratio XPGMin Minimum gas pressure switch connector Operator Panel XPGVP Gas pressure switch connector for valve leak detec- tion control device Burner components XRWF Terminal board for output power regulator RWF Boiler components Gas adjustment valve + gas safety valve Filter to protect against radio disturbance...
  • Page 76 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 100/eRs 130/eRs 190/eRs 250/e mz37870323787033 ... Show all

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