Riello RX 300 S/PV Installation, Use And Maintenance Instructions
Riello RX 300 S/PV Installation, Use And Maintenance Instructions

Riello RX 300 S/PV Installation, Use And Maintenance Instructions

Premixed gas burners
Table of Contents

Advertisement

Quick Links

Installation, use and maintenance instructions
Premixed gas burners
GB
Progressive two-stage or modulating operation
20064445
20055507
20060003
20059983
CODE
MODEL
RX 180 S/PV
RX 250 S/PV
RX 300 S/PV
RX 300-33 S/PV
20062175 (3) - 02/2015

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RX 300 S/PV and is the answer not in the manual?

Questions and answers

Summary of Contents for Riello RX 300 S/PV

  • Page 1 Installation, use and maintenance instructions Premixed gas burners Progressive two-stage or modulating operation CODE MODEL 20064445 RX 180 S/PV 20055507 RX 250 S/PV 20060003 RX 300 S/PV 20059983 RX 300-33 S/PV 20062175 (3) - 02/2015...
  • Page 2 Original instructions...
  • Page 3: Table Of Contents

    Contents Information and general warnings ............... 3 Information about the instruction manual .
  • Page 4 Contents 5.9.1 Display of preset output ............... . 33 5.9.2 Load controller inputs .
  • 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 1.1.4 Delivery of the system and the instruction Guarantee and responsibility manual The manufacturer guarantees its new products from the date of in- When the system is delivered, it is important that: stallation, in accordance with the regulations in force and/or the ...
  • 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 quali fi ed service agency for use in profession- ally setting up and maintaining your burner. Your burner will provide years of ef fi cient operation if it is pro- fessionally installed and maintained by a qualifi ed service tech- nician.
  • 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

    Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output. Electrical data Model RX 180 S/PV RX 250 S/PV RX 300 S/PV RX 300-33 S/PV Control circuit power supply V/Ph/Hz 115/1/50-60 Main power supply (+/- 10%)
  • Page 10: Packaging - Weight - Approximate Measurements

    Technical description of the burner Packaging - weight - Approximate measurements The packaging of the burner (Fig. 1) rests on a wooden platform that is particularly suitable for lift trucks. The dimensions of the packaging are shown in the Tab. C. The weight of the burner complete with its packaging is shown in Tab.
  • Page 11: Burner Description

    Technical description of the burner Burner description 20061959 Fig. 3 Combustion head 14 Plug-socket on ionisation probe cable Ignition electrode 15 Terminal board Flame sensor probe 16 Transformer Gas valve 17 Safety shut off valve Air/gas mixer in the suction line circuit - Venturi 18 Fuse-holder Gas pressure test point 19 Program module...
  • Page 12: Firing Rates

    • and a MINIMUM OUTPUT, which must not be lower than the minimum limit in the diagram. NOx expected emissions on Natural Gas (expressed in ppm@3% O Riello Burners Sub 30 Sub 20 Sub 9 Model RX 180 S/PV 8.5~8.75...
  • Page 13 • and a MINIMUM OUTPUT, which must not be lower than the minimum limit in the diagram. NOx expected emissions on Natural Gas (expressed in ppm@3% O Riello Burners Sub 30 Sub 20 Sub 9 Model RX 250 S/PV 8.5~8.75...
  • Page 14 Technical description of the burner 20063370 RX 300 S/PV RX 300-33 S/PV Input (MBtu/h) Fig. 6 • and a MINIMUM OUTPUT, which must not be lower than the NOX < 30 ppm minimum limit in the diagram. NOX < 20 ppm...
  • 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 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. 10: Times Alarm device Safety time Waiting time Auxiliary output Prepurge time Wire link Preignition time Postignition time (P257 +0.3 seconds) Lockout reset button (info button) Interval: end of safety time load controller (EK1) /reset release...
  • Page 20: Indication Of Diagnostics Mode

    Technical description of the burner 3.8.1 Indication of diagnostics mode Key to Phases (Fig. 10, page 16): Phase The lockout reset button (info button) is the key op- Function number erating element for resetting the burner control and for activating/deactivating the diagnostics func- Lockout shutdown phase 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

    Installation Preparing the boiler 4.5.1 Boring the boiler plate Pierce the closing plate of the combustion chamber, as in Fig. 12. Do not insert the protection in line with the electrode The position of the threaded holes can be marked using the ther- unit, as this would compromise its good operation.
  • Page 24: Probe - Electrodes Positioning

    Installation Probe - electrodes positioning The burners are supplied with the combustion head and elec- trodes. NOTE: In case of replacement of the electrodes, it is necessary to remove Electrode the electrical panel. Before installing the burner on the boiler, make sure the probe and electrode are positioned correctly as in Fig.
  • Page 25: Securing The Burner To The Boiler

    Installation Securing the burner to the boiler Provide an adequate lifting system. In order to fix the burner to the boiler, proceed as follows:  Fasten the combustion head 6) to flange 4) by means of the three screws 10) supplied. ...
  • Page 26: Fuel Supply

    Installation Fuel supply 4.8.1 Air/gas mixer Explosion danger due to fuel leaks in the presence Gas and combustive air are mixed inside the purging circuit (mix- of a flammable source. er), starting from the intake inlet. Precautions: avoid knocking, attrition, sparks and Through the gas train, fuel is introduced into the intake air current heat.
  • Page 27: Gas Train

    Installation 4.8.2 Gas train Before carrying out maintenance, cleaning or This has been type-approved in accordance with regulation NFPA checking operations, identify and close the manual 54/ANSI Z223.1 National Fuel Gas Code, NFPA 58 Liquefied Pe- shut-off valve on the gas supply drop-line to the bur- troleum Gas Code, and International Fuel Gas Code, CAN/CGA ner.
  • 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 passage All the cables to be connected to the burner must be threaded through cable grommets. The use of the cable grommets can take various forms by way of example we indicate the following mode. Possibility of fixing the electrical cables System connection...
  • Page 30: Opening Sequence Of The Fuse-Holder

    Installation 4.9.2 Opening sequence of the fuse-holder In case of failure or control of the fuse-holder, follow these steps to Close the component side (Fig. 23). remove or replace the fuse: Disconnect the electrical supply from the burner by means of the main system switch. DANGER Unhook as indicated in Fig.
  • Page 31: 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 32: Fan Adjustment

    Start-up, calibration and operation of the burner Fan adjustment Modulation is based on variable-speed technology. The adjustments, via the onboard operating panel (Fig. 27), are carried out by means of the positions: Combustion air delivery can be adjusted by varying the motor’s speed (rpm).
  • Page 33 Start-up, calibration and operation of the burner Manual backup Press simultaneously for >1 second (Escape) to start a manual backup process. Parameter PrC appears. Display: PrC >1 s Press for parameter bAC. Display: bAC 1...3 s Run appears during download (backup process) of the program sequence. Display shows alternately End and bAC.
  • Page 34: Burner Shut Down

    Start-up, calibration and operation of the burner Burner shut down Switch off power supply. If burner is switched off for extended pe- A vent shut off system shall be applied to a baro- riods, close manual gas cocks. metric damper installed in the venting system at the time of conversion of the appliance.
  • Page 35: Check Of Modulating Operation

    Start-up, calibration and operation of the burner Check of modulating operation The burner leaves the factory set to 0-10 V signal for the modulat- 5.9.1 Display of preset output ing operation. Display is possible only when: – in operating mode or standby, –...
  • Page 36: 5.10 Factory Wiring Diagram

    Start-up, calibration and operation of the burner 5.10 Factory wiring diagram WIRING DIAGRAM OF KIT DISPLAY Control circuits Burner operation may be controlled by either 120V or 24V control systems. The required controls must be connected to the burner as de- scribed on the following.
  • Page 37 Start-up, calibration and operation of the burner WIRING DIAGRAM ELECTRICAL POWER TRIGGERING/SAFETY/DEVICES (NONTIME DELAY) LOW WATER CONTROL OPERATION (TIME DELAY) MANUAL AUXILIARY LOW WATER CONTROL RESET HIGH OPERATION LIMIT CONTROL GAS LOW PRESSURE SWITCH ATTENTION: USE ONLY COPPER CONDUCTORS ATTENTION: CUSTOMER INSTALLATION POSSIBILITY OF EXTERNAL MODULATION INDICATORS ATTENTION:...
  • Page 38: 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 39 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 LME7... correspond to a proper combustion, contact the Technical Assis- tant in order to carry out the necessary adjustments. X10-05/2 NOx expected emissions on Natural Gas (expressed in ppm@3% O...
  • Page 40 Maintenance Display of flame current ION or QRA... Press for display of the flame signal amplifier. Signal lamp blinks green. Display shows FL.1 Press (1…3 seconds), the flame signal current is displayed. Signal lamp blinks green. 1..3 s Example: 11 When pressing (>3 seconds), the point after the number begins to blink.
  • Page 41: Recommended Preventive Maintenance Schedule

    Maintenance Recommended preventive maintenance schedule Operation and maintenance instructions are intended for general applications. For specific operating and maintenance instructions, consult the 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 42: 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 43: Error Code List With Operation Via Internal Led

    Operation, indication, diagnostics Error code list with operation via internal LED Error code Clear text Possible cause bAC Er3 Fault of compatibility program module to basic unit during Program sequence of program module does not match the backup process basic unit Err PrC Fault of program module –...
  • Page 44: Resetting The Burner Control

    Operation, indication, diagnostics Resetting the burner control When lockout occurs, the burner control can immediately be reset. For reset the unit, press for 1...3 seconds. When the button is released, OFF is displayed. >1 s The basic unit is reset. The LME71…...
  • Page 45 Operation, indication, diagnostics Press for >3 seconds to display alternately LoA and 41. The relative value 41 of the current position or current speed is displayed. Current speed 0 rpm = 0% display Alternately Current speed corresponds to the rated load speed = 100% display. >...
  • Page 46: Diagnostics Of Cause Of Fault

    Operation, indication, diagnostics 7.5.2 Diagnostics of cause of fault If, by accident, interface diagnostics has been activated, in which case the slightly red light of the signal lamp flickers, it can be deac- After lockout, the red fault signal lamp remains steady on. In that tivated by pressing again the lockout reset button (info button) for condition, visual diagnostics of cause of fault according to the error >...
  • Page 47: First Startup With A New Program Module Or In Case Of Replacement Of Program Module

    Operation, indication, diagnostics 7.5.3 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 48: 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 49: Errors During The Restore Process

    Operation, indication, diagnostics 7.6.1 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” at page 41. Tab. AD NOTE: During the restore process, all settings and parameters are written from the program module to the basic unit’s onboard memory.
  • Page 50: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20062175...
  • Page 51 Appendix - Spare parts CODE DESCRIPTION • • • 3020409 COMBUSTION HEAD • • • 3020410 ASSEMBLY MANIFOLD • • • 3020411 SEAL • • • 20063835 GASKETJOINT • • • 3013610 SEAL • • • 3020426 ELECTRODE ASSEMBLY • • • 3013621 COVER + BOTTOM •...
  • Page 52: Appendix - Accessories

    Facilitates viewing, handling and recording setting parameters on site in connection with the ACS410 software. RX 250 S/PV 20096826 RX 300 S/PV The installer is responsible for the addition of any RX 300-33 S/PV safety device not foreseen in this manual.
  • Page 53: 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 56 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com RIELLO BURNERS NORTH AMERICA 1-800-4-RIELLO 35 Pond Park Road 2165 Meadowpine Blvd Hingham, Massachusetts, 1-800-474-3556 Mississauga, Ontario U.S.A. 02043 Canada L5N 6H6 http://www.riello.ca Subject to modifications...

Table of Contents