Riello RX 700 S/PV Installation, Use And Maintenance Instructions
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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
Modulating operation
20092672 - 20092651
20092611 - 20092613
20082125
CODE
MODEL
RX 700 S/PV
RX 850 S/PV
RX 1000 S/PV
20093868 (6) - 07/2017

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  • Page 1 Installation, use and maintenance instructions Premix gas burners Modulating operation CODE MODEL 20092672 - 20092651 RX 700 S/PV 20092611 - 20092613 RX 850 S/PV 20082125 RX 1000 S/PV 20093868 (6) - 07/2017...
  • Page 2 Original instructions...

  • Page 3: Table Of Contents

    Contents Information and general warnings ............... 3 Information about the instruction manual .
  • Page 4 Contents 5.5.6 End of the Info level ................40 Service level .

  • Page 5: Information And General Warnings

    Information and general warnings Information and general warnings Information about the instruction manual 1.1.1 Introduction DANGER: CRUSHING OF LIMBS Read these instructions and save for reference! This symbol indicates the presence of moving parts: danger of crushing of limbs. These installation and operating instructions form part of the unit and must kept in good and legible WARNING conditions on site at all times.

  • Page 6: Delivery Of The System And The Instruction Manual

    Information and general warnings – the date of installation; 1.1.4 Delivery of the system and the instruction manual ..................When the system is delivered, it is important that:  the instruction manual is delivered to the user by the system ...

  • Page 7: Owner's Responsibility

    Information and general warnings 1.2.1 Owner’s responsibility Please pay attention to the Safety Warnings contained within this instruction manual. Keep this manual for your records and provide it to your qualified service agency for use in profession- ally setting up and maintaining your burner. Your burner will provide years of efficient operation if it is profes- sionally installed and maintained by a qualified service techni- cian.

  • Page 8: Safety And Prevention

    Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with cur- the type and pressure of the fuel, the voltage and frequency of the rent regulations and directives, applying the known technical rules electrical power supply, the minimum and maximum deliveries for 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 Technical data Model RX 700 S/PV RX 850 S/PV RX 1000 S/PV Output MBtu/hr 2700 3250 4535 max. 1330 Delivery MBtu/hr min. Fuel Natural gas Propane Natural gas Propane Natural gas...

  • Page 10: Packaging - Weight - Approximate Measurements

    The maximum dimensions of the burner are given in Fig. 2. Bear in mind that, in order to inspect the combustion head, the burner must be pulled back. 20092843 Fig. 2 inch RX 700 S/PV 32“ 32“ 32“ 64“ 16“...
  • Page 11 Technical description of the burner RX 700 S/PV 20093797 6,50 6,00 5,50 5,00 4,50 4,00 3,50 3,00 2,50 2,00 1,50 1,00 0,50 0,00 700 900 1100 1300 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 3700 3900...

  • Page 12: Output Supplied

     ured at the pressure test point downstream of the gas valve  P2)(Fig. 22 on page 25).  Example RX 700 S/PV: – natural gas G20 PCS 1010 Btu/ft  – pressure on point 1 = - 5 “wc (2...

  • Page 13: Burner Description

    Technical description of the burner Burner description 20092846 Fig. 9 Combustion head 23 Display Ignition electrode 24 Pilot assembly Flame sensor probe 25 Burner terminal strip “X2” Gas valve Air/gas mixer in the suction line circuit Burner lockout may occur: Gas pressure test point ...

  • Page 14: Burner Equipment

    Technical description of the burner Burner equipment Gas tube + connector....... No. 1 Insulating gasket .

  • Page 15: Burner Controls (Lme71

    WARNING The LME71... are safety devices! Do not open, in- terfere with or modify the unit. Riello S.p.A. does not assume responsibility for damage resulting from unauthorized interference! Additional safety notes contained in other chapters of this document must be observed as well! Only qualified personnel are allowed to install and operate the equipment.
  • Page 16 Technical description of the burner Installation notes Description of display and buttons  Always run the high-voltage ignition cable separate from the unit and other cables while observing the greatest possible distance.  Do not mix up live and neutral conductors. ...
  • Page 17 Technical description of the burner Technical data LME71... burner con- Mains voltage AC 120 V Mains frequency 50 / 60 Hz trols Power consumption <10 W, typical External primary fuse Max. 6.3 A (slow) Safety class I with parts according to II and III to DIN EN 60730-1 Terminal rating Under voltage UMains 120 V...
  • Page 18 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 19 Technical description of the burner Key to lay-out (Fig. 13): Times Alarm device Safety time Waiting time Auxiliary output Pre-purge time Wire link Pre-ignition time Post-ignition time (P257 +0.3 seconds) Lockout reset button (info button) (EK1) Ignition time pilot valve ON - fuel valve OFF /reset 6÷12s pilot valve ON - fuel valve ON...

  • Page 20: 3.10.1 Indication Of Diagnostics Mode

    Technical description of the burner Key to phases (Fig. 13 on page 16): 3.10.1 Indication of diagnostics mode The lockout reset button (info button) is the key op- Phase Function erating element for resetting the burner control and Lockout shut down phase for activating/deactivating the diagnostics func- Standby, waiting for heat request tions.

  • Page 21: Installation

    Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will be ELECTRICAL CONNECTIONS installed, and arranging the correct lighting of the environment, pro- CANADA: all electrical connections should be done ceed with the installation operations. in accordance with the C.E.C.

  • Page 22: Preliminary Checks

    Installation Preliminary checks Checking the consignment The burner output must be within the boiler's firing After removing all the packaging, check the integrity rate. of the contents. In the event of doubt, do not use the burner; contact the supplier. WARNING CAUTION A burner label, or any other component, that has...

  • Page 23: Preparing The Boiler

    This protective device must allow the blast tube to be taken out (Fig. 16). Do not insert the protection in line with the electrode D3367 unit, as this would compromise its good operation. WARNING Fig. 15 inch RX 700 S/PV - 10 M10 5 64” 64” 64” 16” 64”...

  • Page 24: 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 as- sembled. Before fixing the burner to the boiler is necessary:  secure the gas train unit to the mixer (Fig. 17). Install the gas train following the instruction in “Fuel supply”...

  • Page 25: Probe-Electrodes Installation

    Installation Probe-electrodes installation For the installation of the electrodes proceed as follows:  Insert the connections 21) into the burner opening 22).  take the supplied probe-electrodes unit, unscrew the screws  Put back the cover 10) and secure it with the screws 11). 11) and remove the cover 10)(Fig.

  • Page 26: Fuel Supply

    Installation Fuel supply Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure the fuel interception tap is closed before performing any operation on the burner. The fuel supply line must be installed by qualified 20093839 personnel, in compliance with current standards and laws.

  • Page 27: Gas Line

    Installation 4.8.1 Gas line The operator must use appropriate tools for instal- lation. Before carrying out maintenance, cleaning or checking operations, identify and close the manual shut-off valve on the gas supply drop-line to the burner. Check that there are no gas leaks. This has been type-approved in accordance with regulation NFPA 54/ANSI Z223.1 National Fuel Gas Code, NFPA 58 Liquefied Pe- Beware of train movements: danger of crushing of...

  • Page 28: 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 29: Supply Cables And External Connections Passage

    Installation 4.9.1 Supply cables and external connections Cable lengths passage Mains supply line 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. The use of the cable grommets can take Safety Loop Max.

  • Page 30: Factory Wiring Diagram

    Installation 4.9.2 Factory wiring diagram WIRING DIAGRAM OF DISPLAY Control circuits Burner operation may be controlled by either 120V or 24V control ,152); systems. 4:, 6:, ,+#8 " The required controls must be connected to the burner as de- scribed on the following. 120V control system The burner provides it own power supply for the control circuits that is switched internal from terminal 1(L) &...

  • Page 31: Wiring Diagram (Customer Installation)

    Installation 4.9.3 Wiring diagram (customer installation) RX 700-850 S/PV RX 700-850 S/PV S9650 S9649 RX 1000 S/PV S9651 Fig. 26 Use only copper conductors. WARNING Key (Fig. 26) FU External fuse Q1 Three phase disconnecting switch Q2 Single phase disconnecting switch S1 Cable size X1 Burner terminal strip 20093868...
  • Page 32 Installation S9652 Fig. 27 Key (Fig. 27) V2Gas Fuel valve AUX LWCO Auxiliary low water control operation VPGas Pilot valve Remote lockout signal Burner terminal strip LWCO Low water control operation Burner terminal strip PGMax Gas high gas pressure switch PGMin Gas low gas pressure switch Single phase disconnecting switch...

  • Page 33: Positioning The Step-Down Transformer Kit

    Installation 4.9.4 Positioning the step-down transformer kit Place the step-down transformer 1)(Fig. 28) in line with the holes 2) and secure it with the screws. Install the primary/secondary protection fuses of the step-down transformer on the support rail DIN 3). Carry out the electric wiring.

  • Page 34: 4.10 Opening Sequence Of The Fuse-Holder

    Installation 4.10 Opening sequence of the fuse-holder Disconnect the electrical supply from the burner by means of the main system switch. DANGER In case of failure or control of the fuse-holder, follow these steps to remove or replace the fuse: –...

  • Page 35: 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 Heat request D8268...

  • Page 36: 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 37: Visualisation And Programming Modes

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

  • Page 38: Displaying The Operating Position

    Calibration and operation 5.3.2 Displaying the operating position Reset /reset h min s h min s Fig. 41 Fig. 37 Pressing “i/reset” for 1 second displays rESEt on the Displaying oP: P1 means the 1st stage. display. When the button is released, the base unit is reset. The display after oP is specific to the unit.

  • Page 39: Info Level

    Calibration and operation From Normal mode, using the keys of the Operator Panel, it is pos- sible 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.

  • Page 40: Displaying The Info Values

    Calibration and operation Displaying the Info values 5.5.1 Identification date 5.5.2 Identification number h min s h min s Fig. 50 Fig. 46 On the left, the parameter 103 is displayed: blinking. On the left, the parameter 102 is displayed: blinking. On the right, the identification number 0 is displayed.

  • Page 41: Burner Identification

    Calibration and operation 5.5.3 Burner identification On to next parameter Goes back to the previous parameter min s Fig. 56 Fig. 52 On the left, the parameter 113 is displayed: blinking. On the right, ._._ is displayed 5.5.4 Number of resettable start-ups Example: 113: ._._ Note: They can be cancelled for assistance (see Parameter list page)!

  • Page 42: Total Number Of Start-Ups

    Calibration and operation Pressing “i/reset”, the number of starts is reset to 0. Display: 000000 /reset h min s /reset Fig. 65 h min s Press “i/reset” or to return to the display of the parameters. Fig. 61 Press “i/reset” or to display the blinking parameter 164 again.

  • Page 43: Service Level

    Calibration and operation Press “info” to return to standby mode. When this screen appears you return to the normal display and you can pass to the successive level mode. The display shows OPErAtE. /reset min s Fig. 71 Press “i/reset” to switch between the Service and Fig.

  • Page 44: Displaying The Service Values

    Calibration and operation Press “i/reset” for >3 s or to go back to the selection End of the Service level of the parameter number (blinking). 5.6.1 Displaying the Service values Error history See Parameter with index, with or without direct display/Example of parameter 701: Error history min s Fig.

  • Page 45: Parameters Level

    Calibration and operation Parameter mode (PArA) Displays the complete list of parameters and allows you to modify/ To access this level, refer to “Access procedure with password”. program it. Once the access procedure has been carried out, the display will The parameters level is subdivided into groups: show “PArA”...
  • Page 46 Calibration and operation /reset min s min s Fig. 84 Fig. 90 Releasing the keys, 6 bars appear, the first of which is blinking. After entering the last character the password needs to be con- firmed by pressing the “i/reset” key. Press “i/reset”...

  • Page 47: Backup

    Calibration and operation 5.7.2 Backup Fig. 98 Press “i/reset” for the parameter rEStorE. Display: The pa- Fig. 93 The parameter 000:blinks. rameter rEStorE blinks. Display: Parameter 000: blinks, the display Int does not blink. /reset Fig. 94 Fig. 99 Press for the parameter bAC_UP.

  • Page 48: Restore

    Calibration and operation <2 Fig. 103 Press for the value 1. Display: The value 1 blinks. /reset Fig. 108 The displays shows OFF when the backup process has finished. Note: /reset During the backup, all the parameter settings are transferred from the unit's memory to the memory of Fig.
  • Page 49 Calibration and operation Press to shift the value by one position to the left. Display: The value 0 blinks. Note: To detect display faults, the value shifts one position to the left. Fig. 112 Press for the parameter 060. Display: Parameter 060: blinks, the index 00: and the value 0 do not blink.
  • Page 50 Calibration and operation It will be displayed for 2 minutes, or it can be ended by pressing “i/reset”. Fig. 122 <2 /reset Fig. 123 The displays shows OFF when the RESTORE process has finished. Note: During the RESTORE process, all the parameters and settings are written from the program module onto the memory integrated into the device.

  • Page 51: 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. 5.8.1 Parameters without index, with direct display Example of parameter 225 (pre-purging time) on the Parame- min s ters level Fig.

  • Page 52: Parameters Without Index, Without Direct Display

    Calibration and operation Press “i/reset” for the modification mode. Display: 48.510. Fig. 133 h min s Fig. 139 Press to change the time previously set by one position h min s to the left. Fig. 134 Display: The specified time 48.510 blinks. Note To detect display errors, the value appears shifted by one position On to next parameter...
  • Page 53 Calibration and operation Alternative 2: Adopt the change! /reset Fig. 143 min s Fig. 144 Press “i/reset” to go back to the modification mode. The set value will be adopted. Note: To detect display errors, the value appears again but shifted by one position to the right.

  • Page 54: Parameters With Index, With Or Without Direct Display

    Calibration and operation 5.8.3 Parameters with index, with or without direct display At the successive index Example of parameter 701: Actual error at the Service level See chapter List of error codes! Fig. 152 h min s h min s Fig.
  • Page 55 Calibration and operation Example: Parameter 701., index 03:, phase 02 = value of the current 60%. h min s Fig. 163 /reset 1…3 s Press to return to the Parameter level. Fig. 158 Display: The parameter 701. blinks, the index 01: and the diagnos- tic code 4 do not blink.

  • Page 56: 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 57: Burner Start-Up

    Start-up, calibration and operation of the burner  The display shows “P2: 6100” (for example 6100 rpm);  Press contemporaneously the keys “+” and “-” (ESC) several  Change the value by pressing simultaneously the keys “A” and times until the display shows “OPErAtE” and then “OFF”; “+”...

  • Page 58: 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 on- OFF” selector to “OFF” and repeat the first start-up sequence board the unit.

  • Page 59: Burner Adjustment

    Start-up, calibration and operation of the burner Burner adjustment The optimum adjustment of the burner requires an analysis of flue 6.5.1 Optimum calibration values gases at the generator outlet. MIN output MAX output The burner application at the generator, the adjustment and the testing must be carried out in compliance with the instruction man- Methane ual of the generator itself, including the control of the concentration...

  • Page 60: Switching Off The Burner

    Start-up, calibration and operation of the burner Switching off the burner Turn the “ON/OFF” switch to “OFF” (Fig. 168 on page 55). Turning the “ON/OFF” switch to “OFF” position dur- Disable the electrical supply. If the burner is off for long periods, ing the burner post-ventilation phase, the equip- close the manual gas gates.

  • Page 61: Maintenance

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

  • Page 62: Measuring Circuit For Detector Current Measurement

    Maintenance Combustion 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 not correspond to a proper combustion, contact the Technical Assis- tant in order to carry out the necessary adjustments. NOx expected emissions on natural gas (expressed in ppm@3% O Sub 30 Sub 20...

  • Page 63: Recommended Preventive Maintenance Schedule

    Maintenance Recommended preventive maintenance schedule Operation and maintenance instructions are intended for general For specific operating and maintenance instructions, consult the applications. equipment manufacturer. Test/Inspection Frequency Check gages, monitors, and indicators DAILY Check instrument and equipment settings DAILY Check burner flame DAILY Check igniter WEEKLY...

  • Page 64: Operation, Indication, Diagnostics

    Operation, indication, diagnostics Operation, indication, diagnostics Control sequence in the event of fault If lockout occurs, the outputs for the fuel valves, the burner motor and the ignition equipment are immediately deactivated (<1 sec- ond). Cause Response Mains voltage failure Restart Voltage below undervoltage threshold Safety shutdown...
  • Page 65 Operation, indication, diagnostics Error code Clear text Possible cause Loc 10 Error not relatable (application), internal error Wiring error or internal error, output contacts, other faults Loc 12 Valve proving Fuel valve 1 leak Loc 13 Valve proving Fuel valve 2 leak Loc 14 POC error Error valve closure control POC...

  • Page 66: Resetting Of Burner Control

    Operation, indication, diagnostics Resetting of burner control When a lockout occurs, the burner control can be immediately re- code table can be activated by pressing the lockout reset button leased by pressing the “RESET” button. (info button) for more than 3 seconds. Pressing the lockout reset button (info button) again for at least 3 NOTE: seconds, interface diagnostics will be activated.

  • Page 67: First Startup With A New Program Module Or In Case Of Replacement Of Program Module

    Operation, indication, diagnostics 8.3.2 First startup with a new program module or in case of replacement of program module Display shows alternately rSt and PrC. Display shows the replacement of the program module. Alternately Signal lamp blinks red once and yellow twice alternately. Press for >3 seconds to start data download from the program module.

  • Page 68: Manual Restore

    Operation, indication, diagnostics Manual restore Press simultaneously simultaneously for >1 second (Escape) for starting the manual restore process. Parameter PrC appears. Display: PrC > 1s Press for parameter rSt. Display: rSt 1...3s run appears during download (restore process) of program sequence. After the restore process, the unit is automatically in the lockout position (LOC 138) and must be Alternately reset for operation!

  • Page 69: Errors During The Restore Process

    Operation, indication, diagnostics 8.4.1 Errors during the restore process Alternately with Display shows alternately rSt and Er1, Er2 or Er3. For meaning of a possible cause, see chapter “Error code list with operation via internal LED” on page 62 NOTE: During the restore process, all settings and parameters are written from the program module to the basic unit’s onboard memory.

  • Page 70: 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 The values shown in the “Factory setting” column, in the table be- setting up the LCD AZL 2... Display for the LME 71... control box low, are only given as a guide (Control box not programmed).
  • Page 71 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 403.02 Fan speed: High flame speed (P2) Modification 800 rpm 900 rpm 10 rpm 5700 rpm Ratio control 503.00 Speed without PWM fan flame: Standby speed...
  • Page 72 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 Constant time speed control PT1: Upper speed 37.485 s 0.147 s 6,027 s 679.02 Modification interval from high flame to low flame Constant time speed control PT1: Total speed 37.485 s 0.147 s...

  • Page 73: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20093868...
  • Page 74 Appendix - Spare parts CODE DESCRIPTION • • • • • ASSEMBLY MANIFOLD 20092987 • • COMBUSTION HEAD 20092990 • • • COMBUSTION HEAD 20092991 • • • • • FLANGE GASKET 20005512 • • • • • CONTROL BOX 20052441 •...

  • Page 75: B Appendix - Accessories

    Adhesive label (supplied) Fig. 2 Kit OCI410 interface for ACS410 software Burner Code The installer is responsible for the addition of any RX 700 S/PV safety device not foreseen in this manual. RX 850 S/PV 20096826 WARNING RX 1000 S/PV Interface between burner control and PC.

  • Page 76: C Appendix - Burner Start Up Report

    Appendix - Burner start up report Appendix - Burner start up report Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire Main Power Supply:...
  • Page 80 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.com RIELLO BURNERS NORTH AMERICA 35 Pond Park Road http://www.riello.ca 2165 Meadowpine Blvd Hingham, Massachusetts, Mississauga, Ontario U.S.A. 02043 1-800-4-RIELLO Canada L5N 6H6 Subject to modifications...

This manual is also suitable for:

Rx 850 s/pvRx 1000 s/pv20092672200926112009261320082125

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