Riello RX 700 S/PV Installation, Use And Maintenance Instructions
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Riello RX 700 S/PV Installation, Use And Maintenance Instructions

Riello RX 700 S/PV Installation, Use And Maintenance Instructions

Premix gas burners
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Installation, use and maintenance instructions
Premix gas burners
GB
Progressive two-stage or modulating operation
CODE
20074586
20074219
20050087
MODEL
RX 700 S/PV
RX 850 S/PV
RX 1000 S/PV
TYPE
854T3
926T1
891T3
20079424 (8) - 04/2016

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Summary of Contents for Riello RX 700 S/PV

  • Page 1 Installation, use and maintenance instructions Premix gas burners Progressive two-stage or modulating operation CODE MODEL TYPE 20074586 RX 700 S/PV 854T3 20074219 RX 850 S/PV 926T1 20050087 RX 1000 S/PV 891T3 20079424 (8) - 04/2016...
  • 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 Service level ..................................34 6.6.1 Displaying the Service values ............................35 Parameters level ................................36 6.7.1 Entering the password..............................37 6.7.2 Backup ..................................38 6.7.3 Restore..................................39 Parameter modes of operation ............................41 6.8.1 Parameters without index, with direct display .......................41 6.8.2 Parameters without index, without direct display ......................42 6.8.3 Parameters with index, with or without direct display ....................44 Start-up, calibration and operation of the burner ........................46 Notes on safety for the first start-up ..........................46...

  • Page 5: Declarations

    Max. NOx: 67 mg/kWh RX 1000 S/PV CO max: 13 mg/kWh Max. NOx: 66 mg/kWh 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...

  • 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

    Technical description of the burner Technical description of the burner Models available Designation Voltage Code RX 700 S/PV 230V - 50-60 Hz 20074586 RX 850 S/PV 230V - 50-60 Hz 20074219 RX 1000 S/PV 3N - 400V - 50-60 Hz...

  • Page 10: Maximum Dimensions

    The maximum dimensions of the burner are given in Fig. 1. Bear in mind that, in order to inspect the combustion head, the burner must be pulled back. 20075691 Fig. 1 RX 700 S/PV RX 850 S/PV RX 1000 S/PV Tab. B 20079424...

  • Page 11: Burner Description

    Technical description of the burner Burner description 20075698 Fig. 2 Combustion head 16 Transformer Ignition electrode 17 Plate with 4 holes, useful for passing electric cables Flame sensor probe 18 Fuses Gas valve 19 Programming card Air/gas mixer in the suction line circuit 20 ON/OFF selector Gas pressure test point 21 Light signalling of mains live state...

  • Page 12: Firing Rates

    (Fig. 3 - Fig. 4 - Fig. 5). G20 - LPG. RX 700 S/PV = 700 kW The firing rate (Fig. 3 - Fig. 4 - Fig. 5) has been RX 850 S/PV = 880 kW obtained at an ambient temperature of 20°C, at a...

  • Page 13: Test Boiler

    Technical description of the burner RX 1000 S/PV 20075304 Thermal power – kW Fig. 5 4.7.1 Test boiler 4.7.2 Commercial boilers The firing rates were set in relation to special test boilers, accord- The burner-boiler combination does not pose any problems if the ing to EN 676 regulations.

  • Page 14: Output Supplied

     valve (Fig. 22 on page 22).  Example:  operation with Premix RX 700 S/PV natural gas G20 PCI 9.45 kWh/Sm  pressure on point 1 = - 12 mbar (2nd chart).  The burnt output corresponds to 600 kW.

  • Page 15: Burner Controls (Lme71

    The LME71... are safety devices! Avoid opening WARNING or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage resulting from unauthorised interven- tions! Also the safety notes contained in other chapters of this document must be respected! The installation and operation of the machine should be carried out only by qualified personnel.
  • Page 16 Technical description of the burner Installation notes Description of displays and buttons ➤ Arrange the high voltage ignition cables separately, as far as possible from the control box and the other cables. ➤ Do not confuse the powered conductors with the neutral ones.
  • Page 17 Technical description of the burner Technical data Burner controls Mains voltage AC 230 V Mains frequency 50 / 60 Hz +- 6% LME71... Power absorption <10 W, normally Primary external fuse Max. 6.3 A (slow) Safety class I, with components in compliance with II and III, ac- cording to DIN EN 60730-1 “Input”...
  • Page 18 Technical description of the burner Program sequence Standby Startup Operation Shutdown Valve proving if parameter P241 =1 (ON) Can be parameterized t11 t10 t12 t3 t3n t11 t8 td4 td1 td3 td2 Phase number oP: xx (actual load in %) 242 243 244 245 Operating unit parameter number LED permanent...
  • Page 19 Technical description of the burner Key Fig. 13: Times Alarm device Safety time Standby time Auxiliary output Pre-purging time Lead connection Spark pre-ignition time Post-ignition time (P257 +0.3 seconds) Reset button (info button) (EK1) Interval: end of safety time ñ fuel valve 1 ON /reset (depending on Interval: end of safety time ñ...

  • Page 20: Indication Of The Diagnostic Mode

    Technical description of the burner Phases key (Fig. 13 on page 16): 4.9.1 Indication of the diagnostic mode Phase The reset button (info button) is the key element Function number for resetting the burner control and activating/de- activating the diagnostic functions. Switching off phase lockout Standby, awaiting heat request The multi-colour indicator lamp is the key indica-...

  • Page 21: Installation

    GAZ-AEPIO danger and pollution; they should be collected and disposed of in the appropriate places. RIELLO S.p.A. Checking the characteristics of the burner I-37045 Legnago (VR) Check the identification label of the burner (Fig. 14), showing: 20116021 Fig.

  • Page 22: Operating Position

    Pierce the closing plate of the combustion chamber, as in Fig. 16. The position of the threaded holes can be marked using the ther- mal insulation screen supplied with the burner. RX 700 S/PV RX 850 S/PV 325 - 275 RX 1000 S/PV Tab.

  • Page 23: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler Provide an adequate lifting system. The burners are supplied with the combustion head already assembled. The seal between burner and boiler must be airtight. 20075323 WARNING Make sure the probe and electrodes are posi- Fig.

  • Page 24: Fuel Supply

    Installation Fuel supply A signal reporting pressure detected in the air circuit is carried to Explosion danger due to fuel leaks in the pres- the pneumatic gas valve, which delivers an amount of gas in pro- ence of a flammable source. portion to the airflow produced by the fan.

  • Page 25: Electrical Wiring

    Installation 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 26: Supply Cables And External Connections Passage

    Installation 5.8.1 Supply cables and external connections passage All the cables to be connected to the burner must be threaded through cable grommets. The cable grommets can be used in various ways, the following is one example. Fix the cables to the support bracket using clips. System connection terminal board 20075371...

  • Page 27: Opening Sequence Of The Fuse-Holder

    Installation 5.8.2 Opening sequence of the fuse-holder In the event of a fault or control of the fuse-holder, proceed as fol- Close the component side (Fig. 28). lows to remove or change the fuse: Turn off the burner's power supply using the main system switch.

  • Page 28: Calibration And Operation

    Calibration and operation Calibration and operation Operator panel with LCD AZL 21... display for control box LME 71... with PME 71.901... Description of the symbols Lock-out lamp Lockout Flame presence Valve powered Ignition transformer powered Fan motor powered Pre-heater active only for fuel oil burners Fig.

  • Page 29: Operator Panel With Lcd Display

    Calibration and operation Technical data Operation and display unit Unit general information Operating voltage DC 5V Power absorption <50 mW (normally) Protection level - AZL21… IP40 according to IEC529 Safety class II according to DIN EN 60730-1 Housing - Material PC and PC / ABS - Colour RAL 7035 (light grey)

  • Page 30: Visualisation And Programming Modes

    Calibration and operation Visualisation and programming modes The operator panel, and especially the display visualisation, has The information for accessing and operating at the various levels 4 working modes: is given below. ➤ Normal Mode ➤ Info Mode (InFo) ➤ Service Mode (Ser) ➤...

  • Page 31: Displaying The Operating Position

    Calibration and operation 6.3.2 Displaying the operating position 6.3.3 Fault messages, display errors and information Displaying errors (faults) with lockout h min s Fig. 34 h min s Displaying oP: P1 means the 1st stage. Fig. 37 The display after oP is specific to the unit. The display shows Loc.

  • Page 32: Info Level

    Calibration and operation From Normal mode, using the keys of the Operator Panel, it is possible to activate one of the three visualisation/programming modes: Info mode (InFo) Parameter mode Programming modes Display modes (Para) Service mode (Ser) Info mode Visualises the general system information. List of the parameters that can be visualised (in the sequence in which they are visualised) The list of the parameters that can be visualised is given in the...

  • Page 33: Displaying The Info Values

    Calibration and operation Displaying the Info values 6.5.1 Identification date 6.5.2 Identification number h min s h min s Fig. 43 Fig. 47 On the left, the parameter 102 is displayed: blinking. On the left, the parameter 103 is displayed: blinking. On the right, ._._ is displayed.

  • Page 34: Burner Identification

    Calibration and operation 6.5.3 Burner identification 6.5.4 Number of resettable start-ups Note: They can be cancelled for assistance (see Parameter list page)! min s Fig. 49 h min s On the left, the parameter 113 is displayed: blinking. On the right, ._._ is displayed Fig.

  • Page 35: Total Number Of Start-Ups

    Calibration and operation /reset /reset h min s h min s Fig. 62 Fig. 58 Press “i/reset” or to display the blinking parame- Press “i/reset” or to return to the display of the to return to the display of to return to the display of When pressing When pressing ter 164 again.

  • Page 36: Service Level

    Calibration and operation /reset min s Fig. 68 Press “i/reset” to switch between the Service and Fig. 67 When this screen appears you return to the normal display and When pressing Parameter level. you can pass to the successive level mode. Service mode Visualises the log of errors and some technical information Parameter...

  • Page 37: Displaying The Service Values

    Calibration and operation 6.6.1 Displaying the Service values End of the Service level Error history See Parameter with index, with or without direct display/Example of parameter 701: Error history Note: They can be cancelled for assistance (see Parameter list page)! Mains voltage min s Fig.

  • Page 38: Parameters Level

    Calibration and operation Parameter mode (PArA) Displays the complete list of parameters and allows you to mod- To access this level, refer to “Access procedure with password”. ify/program it. Once the access procedure has been carried out, the display will The parameters level is subdivided into groups: show “PArA”...

  • Page 39: Entering The Password

    Calibration and operation 6.7.1 Entering the password The OEM password should be composed of 5 characters, the technical one 4 characters. h min s Fig. 86 > 1 s min s Press to select a number or a letter. Press or or to select a numeral or letter.

  • Page 40: Backup

    Calibration and operation 6.7.2 Backup Fig. 96 Fig. 90 Press for the parameter bAC_UP. The parameter 000:blinks. to select a numeral or letter. Display: The parameter bAC_UP blinks. Display: Parameter 000: blinks, the display Int does not blink. /reset /reset Fig.

  • Page 41: Restore

    Calibration and operation 6.7.3 Restore /reset Fig. 101 Fig. 106 The parameter 000: blinks. Display: Parameter 000: blinks, the display Int does not blink. Fig. 102 Press “i/reset” to start up the backup process. /reset When pressing The display shows run. Fig.
  • Page 42 Calibration and operation /reset Fig. 112 Fig. 117 Press “i/reset” to activate the restore process. When pressing The display shows run. <3 s Fig. 113 Press “i/reset” to detect the restore process. When pressing Display: The value 0. Fig. 118 After about 3 seconds (depending on the duration of the program sequence), the display shows bAC End to indicate the end of the restore process.

  • Page 43: Parameter Modes Of Operation

    Calibration and operation Parameter modes of operation The parameters memorised in the LME7... burner control can be displayed and modified in the Parameters level. 6.8.1 Parameters without index, with direct display Example of parameter 225 (pre-purging time) on the Param- eters level min s Fig.

  • Page 44: Parameters Without Index, Without Direct Display

    Calibration and operation Alternative 2: 6.8.2 Parameters without index, without direct display Adopt the value! Example of parameter 224 (air pressure switch specified time) on the Parameters level /reset Fig. 128 min s Fig. 133 Press for the specified time for the air pressure signal. to select a numeral or letter.
  • Page 45 Calibration and operation Alternative 2: Adopt the change! /reset h min s Fig. 137 Fig. 140 Press to set the specified time. Press or or to select a numeral or letter. Display: The specified time 53.361 blinks. Alternative 1: min s Delete the change! Fig.

  • Page 46: Parameters With Index, With Or Without Direct Display

    Calibration and operation 6.8.3 Parameters with index, with or without direct display Example of parameter 701: Actual error at the Service level See chapter List of error codes! h min s Fig. 150 Press , to select the index. to select a numeral or letter. .00 = error code h min s .01 = start meter reading...
  • Page 47 Calibration and operation h min s h min s Fig. 156 Fig. 162 Press to return to the index. The parameters cover the period up to the first error recorded to return to the display of starting from the deletion of the history (max. to parameter 711.). Display: The parameter 701.

  • Page 48: 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 49: Pre-Setting Of The Points P0 (Ignition), P1 (Minimum) And P2 (Maximum)

    Start-up, calibration and operation of the burner 7.3.1 Pre-setting of the points P0 (ignition), P1 ➤ The display shows run; ➤ Press simultaneously the keys “+” and “-” (ESC); (minimum) and P2 (maximum). ➤ The display shows “P0: 2000” (for example 2000 rpm); The burner leaves the factory with a pre-setting of points P0, P1 ➤...

  • Page 50: Checking The Modulating Operation (Automatic Operation)

    Start-up, calibration and operation of the burner head within the safety time period of 3 seconds. Turn the ➤ From here the speeds of the low flame P1 or the high flame screw V1 of the gas valve lightly towards the “+” sign P2 can be changed as described above, or else it is possible (Fig.

  • Page 51: Burner Adjustment

    Start-up, calibration and operation of the burner Burner adjustment 7.5.1 Optimum calibration values The optimum adjustment of the burner requires an analysis of flue gases at the generator outlet. The burner application at the MIN output MAX output generator, the adjustment and the testing must be carried out in compliance with the instruction manual of the generator itself, in- Methane cluding the control of the concentration of CO and CO...

  • Page 52: Switching Off The Burner

    Start-up, calibration and operation of the burner Switching off the burner Disable the electrical supply. If the burner is off for long periods, Turn the “ON/OFF” switch to “OFF” (See Fig. 165 on page 47). close the manual gas gates. Load controller inputs Selecting the default output analogue source/phases input •...

  • Page 53: 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. Turn off the burner's power supply using the main It allows you to reduce consumption and polluting emissions and system switch.

  • Page 54: Opening And Closing The Burner

    Maintenance Combustion MIN output MAX output In case the combustion values found at the beginning of the inter- vention do not respect the standards in force or, in any case, do Methane not correspond to a proper combustion, contact the Technical As- sistance Service in order to carry out the necessary adjustments.

  • Page 55: Recommended Preventive Maintenance Programme

    Maintenance Recommended preventive maintenance programme The use and maintenance instructions are meant for general ap- plications. For specific use and maintenance instructions, contact the manufacturer of the control box. Test/Inspection Frequency Checking components, monitor and indicators DAILY Checking adjustments of instruments and control boxes DAILY Checking burner flame DAILY...

  • Page 56: Operation, Indications, Diagnostic

    Operation, indications, diagnostic Operation, indications, diagnostic Control sequence in the event of a fault In the event of a lockout, the outlets for fuel valves, burner motor and ignition devices should be immediately deactivated (<1 sec- ond). Causes Answer Mains voltage interruption Restart Voltage below the undervoltage threshold Safety switch off...

  • Page 57: List Of Error Codes With Operation Using Azl21 Display

    Operation, indications, diagnostic List of error codes with operation using AZL21 Display ... Error Clear text Possible cause code bAC Er3 Programme module compatibility fault with the base unit dur- The program sequence of the program module is not com- ing the back-up process patible with the base unit Err PrC...

  • Page 58: Resetting Of Burner Control

    Operation, indications, diagnostic Resetting of burner control When a lockout occurs, the burner control can be immediately re- leased by pressing the “RESET” button (See Fig. 165 on page 47). NOTE: For the meaning of the diagnostic codes and errors, see the chapter “List of error codes with operation using AZL21 Display ...”...

  • Page 59: Before Starting With A New Program Module Or When The Program Module Is Replaced

    Operation, indications, diagnostic 9.3.2 Before starting with a new program module or when the program module is replaced The display shows rSt and PrC alternately. The display shows the replacement of the program module. Alternatively The indicator light blinks alternately one red and two yellow. Press for >3 to start the download of the program module data.

  • Page 60: Manual Reset

    Operation, indications, diagnostic Manual reset Press contemporaneously for >1 second (Escape) to start the manual reset process. The parameter PrC appears. Display: PrC > 1s Press for the parameter rSt. Display: rSt 1..3 s run appears during the download (restore process) of the program sequence. At the end of the reset process, the unit is automatically in a lockout position (LOC 138) and Alternatively need to be released in order to work!

  • Page 61: Error During The Reset Process

    Operation, indications, diagnostic 9.4.1 Error during the reset process Alternatively with The display shows rSt and Er1, Er2 or Er3. For the meaning of the possible cause, see the chapter “List of error codes with operation using AZL21 Display ...” on page 55 Tab.

  • Page 62: A List Of Parameters Pme71.901

    List of parameters PME71.901 ...) List of parameters PME71.901 ...) The following pages have the Menus and the list of parameters for setting up the LCD AZL 2 ... Display for the LME 71 ... control box with PME 71.901 ... 20079424...
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  • Page 68: Appendix - Accessories

    Appendix - Accessories Appendix - Accessories Output power regulator kit for modulating operation With the modulating operation, the burner continually adapts the Two components should be ordered: power to the heat request, ensuring a high level of stability for the –...

  • Page 69: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Functional diagram Functional diagram Functional diagram Functional diagram Electrical wiring set by installer Electrical wiring set by installer Electrical wiring set by installer Indication of references / 1 .A 1 Sheet no.
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  • Page 79 Appendix - Electrical panel layout 20079424...
  • Page 80 Appendix - Electrical panel layout Wiring layout key - Control box LME7... - Display and operating unit - Suppressor - Input under current 4...20 mA DC - Pressure probe - Pressure probe - Probe Pt100 with 2 wires - Probe Pt100 with 3 wires - Probe Pt100 with 3 wires - Probe with voltage output - Internal output power regulator RWF50.2...
  • Page 84 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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