Related Manuals for Riello 852T4
Summary of Contents for Riello 852T4
- Page 1 Installation, use and maintenance instructions Premix gas burner Modulating operation with pilot flame ignition CODE MODEL TYPE 20148872 RX 500 S/PV 852T4 20151763 (2) - 12/2018...
- Page 2 Translation of the original instructions...
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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 6.5.5 Total number of start-ups ..............................33 6.5.6 End of the Info level...............................33 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...
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Page 5: Declarations
The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015. Legnago, 21.04.2018 Executive General Manager Research & Development Director RIELLO S.p.A. - Burner Department RIELLO S.p.A. - Burner Department Mr. U. Ferretti Mr. F. Comencini... -
Page 6: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction WARNING: MOVING PARTS The instruction manual supplied with the burner: This symbol indicates that you must keep limbs is an integral and essential part of the product and must not away from moving mechanical parts;... -
Page 7: Delivery Of The System And The Instruction Manual
Information and general warnings 2.1.4 Delivery of the system and the instruction The system supplier must carefully inform the user about: – the use of the system; manual – any further tests that may be required before activating the When the system is delivered, it is important that: system;... -
Page 8: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety and envisaging all the potential danger situations. -
Page 9: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Models available Designation Voltage Code RX 500 S/PV 1N/230/50-60 20148872 Tab. A Burner categories - Countries of destination Country of destination Gas category AT-CH-CZ-ES-FR-GB-GR-IE-IT-LT-PT-RO-SI-SK-IS II2H3P II2EK3P DE-PL I2E/I3P I2H/I3P I2E(R),I3P BG-DK-EE-FI-LV-NO-SE CY-MT Tab. -
Page 10: Maximum Dimensions
Technical description of the burner 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. 20128331 Fig. 1 RX 500 S/PV Tab. -
Page 11: Burner Description
Technical description of the burner Burner description 20152181 Fig. 3 Combustion head Burner lockout may occur. Ignition electrode CONTROL BOX LOCKOUT: Flame sensor probe the alarm on the display 23)(Fig. 3) signals that the Gas valve WARNING burner is in lockout. Air/gas mixer in the suction line circuit Press the push button 13)(Fig. -
Page 12: Firing Rate
Technical description of the burner Firing rate The maximum output should not exceed the maximum limit of The firing rate (Fig. 4) has been obtained at an the diagram (Fig. 4). ambient temperature of 20°C, at a barometric RX 500 S/PV = 490 kW pressure of 1013 mbar (about 0 m a.s.l.). -
Page 13: Output Supplied
Technical description of the burner 4.10 Output supplied The diagrams allow you to set the power output either using the number of fan revs or using the pressure downstream of the gas valve (Fig. 5). Example (Fig. 6): – gas G20 PCI 9.45 kWh/Sm –... -
Page 14: 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 15 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 16 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 17 Technical description of the burner Program sequence Standby Startup Operation Shutdown t11 t10 t12 t3 t3n t11 t8 Phase number oP: xx (actual load in %) Operating unit parameter number LED permanent LED flashing Relay Function/inputs contact X3-04 Pin 5 X3-04 Pin 1 X5-03 Pin 1 LR-OPEN...
- Page 18 Technical description of the burner Key Fig. 10 Times Alarm device Safety time Waiting time Auxiliary output Pre-purge time Lead connection Pre-ignition time Post-ignition time (P257 +0.3 seconds) Reset button (info button) (EK1) Ignition time pilot valve ON - fuel valve OFF /reset 6÷12s pilot valve ON - fuel valve ON...
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Page 19: 4.11.1 Indication Of The Diagnostic Mode
Technical description of the burner Phases key (Fig. 10 on page 15): 4.11.1 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 20: Installation
GAZ-AEPIO CAUTION The packaging elements (wooden cage or card- board box, nails, clips, plastic bags, etc.) must not RIELLO S.p.A. I-37045 Legnago (VR) be abandoned as they are potential sources of danger and pollution; they should be collected and 20116021 Fig. -
Page 21: Operating Position
Installation Operating position The burner is designed to operate only in Any other position could compromise the cor- positions 1, 2, 4 and 5 (Fig. 12). rect operation of the appliance. Installation 1 is preferable, as it is the only ... -
Page 22: Probe - Electrodes Positioning
Installation Probe - electrodes positioning 6 mm Before fixing the burner to the boiler, make sure the probe and electrodes are positioned correctly as in Fig. 15. WARNING The burners are supplied with the combustion head and elec- trodes already assembled. 20047399 Fig. -
Page 23: Fuel Supply
Installation Fuel supply Explosion danger due to fuel leaks in the pres- 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 24: Gas Train
Installation 5.8.1 Gas train This has been type-approved together with the burner, in accord- Make sure that the gas train is properly installed ance with regulation EN 676, and is supplied as standard by checking for any fuel leaks. (Fig. 20). The operator must use appropriate tools for instal- Gas train installation lation. -
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 5.9.1 Supply cables and external connections Cable length passage Power supply line from the mains Max. 100 m (100 pF/m) All the cables to be connected to the burner must be threaded Load controller X5-03 Max. 30 m (100 pF/m) through cable grommets. -
Page 27: Opening Sequence Of The Fuse-Holder
Installation 5.9.2 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. 24). 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. 30 h min s Displaying oP: P1 means the 1st stage. Fig. 33 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. 39 Fig. 43 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. 45 On the left, the parameter 113 is displayed: blinking. h min s 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. 58 Fig. 54 Press “i/reset” or to display the blinking parame- Press “i/reset” or to return to the display of the ter 164 again. parameters. On to next parameter On to next parameter Goes back to the previous Goes back to the previous... -
Page 36: Service Level
Calibration and operation /reset Fig. 64 min s Press “i/reset” to switch between the Service and Fig. 63 When this screen appears you return to the normal display and Parameter level. you can pass to the successive level mode. Service mode Visualises the log of errors and some technical information Parameter 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. 82 > 1 s min s Press to select a number or a letter. Fig. 76 Press the combination of keys to display CodE. -
Page 40: Backup
Calibration and operation 6.7.2 Backup Fig. 92 Fig. 86 Press for the parameter bAC_UP. The parameter 000:blinks. Display: The parameter bAC_UP blinks. Display: Parameter 000: blinks, the display Int does not blink. /reset /reset Fig. 93 Fig. 87 Fig. 94 Fig. -
Page 41: Restore
Calibration and operation 6.7.3 Restore /reset Fig. 97 Fig. 102 The parameter 000: blinks. Display: Parameter 000: blinks, the display Int does not blink. Fig. 98 Press “i/reset” to start up the backup process. /reset The display shows run. Fig. 103 <3 s Fig. - Page 42 Calibration and operation /reset Fig. 108 Fig. 113 Press “i/reset” to activate the restore process. The display shows run. <3 s Fig. 109 Press “i/reset” to detect the restore process. Display: The value 0. Fig. 114 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.
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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. 124 min s Fig. 129 Press for the specified time for the air pressure signal. Display: Parameter 224: blinks, characters ._._ do not. - Page 45 Calibration and operation Alternative 2: Adopt the change! /reset h min s Fig. 133 Fig. 136 Press to set the specified time. Display: The specified time 53.361 blinks. Alternative 1: min s Delete the change! Fig. 137 Press “i/reset” to go back to the modification mode. Fig.
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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. 146 Press , to select the index. .00 = error code h min s .01 = start meter reading Fig. - Page 47 Calibration and operation h min s h min s Fig. 152 Fig. 158 Press to return to the index. The parameters cover the period up to the first error recorded starting from the deletion of the history (max. to parameter 711.). Display: The parameter 701.
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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 by qualified personnel, as indicated in this manual Refer to paragraph “Safety test - with gas ball and in compliance with the standards and regula- valve closed”... -
Page 49: Burner Start-Up
Start-up, calibration and operation of the burner Burner start-up The burner can operate in two different modes: Manual operation (to be used for the initial start-up): in this ON/OFF mode the indicators of the display are blinking; Automatic operation (for normal work operation): in this mode the indicators of the display are fixed. -
Page 50: Checking The Modulating Operation (Automatic Operation)
Start-up, calibration and operation of the burner NOTE: Eventual modifications to the parameters and the To go back to manual mode it is necessary to turn the “ON/ settings should be set and saved in the memory OFF” selector to “OFF” and repeat the first start-up se- on-board the unit. -
Page 51: Combustion Head
Start-up, calibration and operation of the burner Combustion head The combustion head comprises a highly heat resistant cylinder whose surface features numerous holes, encased in a metal “mesh”. The air-gas mixture is pushed inside the cylinder and out of the head through the holes in the perimeter. -
Page 52: Burner Adjustment
Start-up, calibration and operation of the burner Burner adjustment The optimum adjustment of the burner requires an analysis of flue gases at the generator outlet. The burner application at the generator, the adjustment and the testing must be carried out in compliance with the instruction manual of the generator itself, including the control of the concen- tration of CO and CO in the flue gases and of their temperature. -
Page 53: Final Checks (With Burner Operating)
Start-up, calibration and operation of the burner 7.10 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- The burner must stop in lockout mum end of scale position (where present) ... -
Page 54: 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 55: Safety Components
Maintenance Boiler Combustion Clean the boiler as indicated in its accompanying instructions in In case the combustion values found at the beginning of the inter- order to maintain all the original combustion characteristics in- vention do not respect the standards in force or, in any case, do tact, especially the flue gas temperature and combustion cham- not correspond to a proper combustion, contact the Technical As- ber pressure. -
Page 56: 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 57: 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 58: 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 59: Resetting Of Burner Control
Operation, indications, diagnostic Resetting of burner control When a lockout occurs, the burner control can be immediately re- Press the reset button again (info button) for at least 3 seconds leased by pressing the “RESET” button (See Fig. 160 on to activate the diagnostics interface. -
Page 60: 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 61: 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 62: 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 56 Tab. -
Page 63: 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 The values shown in the “Factory setting” column, in the table be- for setting up the LCD AZL 2... Display for the LME 71... control low, are only given as a guide (Control box not programmed). - Page 64 List of parameters PME71.901... Parameter Values interval Password Password Factory reading Modification Resolution writing level setting level to Description Min. Max. to level level Speed without PWM fan flame: Speed of impu- 503.01 Modification 800 rpm 9000 rpm 10 rpm 5700 rpm rity purge 516.00...
- Page 65 List of parameters PME71.901... Parameter Values interval Password Password Factory reading Modification Resolution writing level setting level to Description Min. Max. to level level 9000 rpm Speed interval for constant time PT1: Upper 680.00 Modification 800 rpm 10 rpm 4000 rpm speed interval threshold Speed interval for constant time PT1: Lower 680.01...
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Page 66: A Appendix - Accessories
Appendix - Accessories Appendix - Accessories Output power regulator kit for modulating operation With the modulating operation, the burner continually adapts the power to the heat request, ensuring a high level of stability for the parameter controlled: temperature or pressure. Two components should be ordered: –... -
Page 67: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Operational layout Operational layout Operational layout Operational layout Electrical wiring set by installer RWF50... operational layout Indication of references / 1 . A 1 Sheet no. - Page 68 Appendix - Electrical panel layout 20151763...
- Page 69 Appendix - Electrical panel layout 20151763...
- Page 70 Appendix - Electrical panel layout & & & & 20151763...
- Page 71 Appendix - Electrical panel layout 20151763...
- Page 72 Appendix - Electrical panel layout 20151763...
- Page 73 Appendix - Electrical panel layout 20151763...
- Page 74 Appendix - Electrical panel layout Wiring layout key Components on burner Components on boiler 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 76 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...