Riello RS 28/E Installation, Use And Maintenance Instructions
Riello RS 28/E Installation, Use And Maintenance Instructions

Riello RS 28/E Installation, Use And Maintenance Instructions

Forced draught gas burner

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Installation, use and maintenance instructions
Forced draught gas burner
GB
Progressive two stage or modulating operation
20044216
20105015
CODE
MODEL
RS 28/E
RS 38/E
20044359 (6) - 06/2015

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Summary of Contents for Riello RS 28/E

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Progressive two stage or modulating operation CODE MODEL 20044216 RS 28/E 20105015 RS 38/E 20044359 (6) - 06/2015...
  • Page 2 Original instructions...
  • Page 3: Table Of Contents

    Contents Information and general instructions ..............3 Information about the instruction manual .
  • Page 4 Contents Maintenance ..................27 Notes on safety for the maintenance .
  • Page 5: Information And General Instructions

    Information and general instructions Information and general instructions Information about the instruction manual 1.1.1 Introduction 1.1.4 Danger: live components The instruction manual supplied with the burner: This symbol indicates operations which, if not car-  is an integral and essential part of the product and must not be ried out correctly, lead to electric shocks with lethal separated from it;...
  • Page 6: Guarantee And Responsibility

    Information and general instructions Guarantee and responsibility The manufacturer guarantees its new products from the installa- 1.2.1 Owner’s responsibility tion date, in accordance with the regulations in force and/or the Please pay attention to the Safety Warnings contained within sales contract. At the moment of the first start-up, check that the this instruction manual.
  • Page 7: Safety And Prevention

    Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with facturer; current regulations and directives, applying the known technical the type and pressure of the fuel, the voltage and frequency of rules of safety and envisaging all the potential danger situations. the electrical power supply, the minimum and maximum deliv- eries for which the burner has been regulated, the pressurisa- It is necessary, however, to bear in mind that the imprudent and...
  • Page 8: Technical Description Of The Burner

    Technical description of the burner Technical description of the burner Technical data Model RS 28/E RS 38/E Output High MBtu/hr 617 - 1232 880 - 1665 181 - 361 258 - 488 MBtu/hr Fuel Natural or propane gas • Max delivery...
  • Page 9: Burner Description

    Technical description of the burner Burner description D12063 34 43 Fig. 1 Combustion head 20 Flame inspection window 40 Holes for cable grommets for electrical wiring for accessories (to be carried Ignition pilot 21 Button “Alarm silence” out by the installer) Screw for combustion head adjustment 22 Fan motor contactor and thermal relay 41 Gas actuator...
  • Page 10: Packaging - Weight

    Packaging - weight The burners are skid mounted. Outer dimensions of packaging are indicated in (Tab. C). The weight of the burner complete with packaging is indicated in (Tab. C). inch RS 28/E 4“ 8“ 32“ RS 38/E 4“ 8“...
  • Page 11: Firing Rate

    WARNING combustion head adjusted as shown at page 18. shown in the diagram. Model MBtu/hr RS 28/E RS 38/E 20106406 Firing rate for C-UL Canadian Listing (CNL) - 1969 MBtu/hr Firing rate for C-UL Canadian Listing (CNL) - 1969 MBtu/hr Fig.
  • Page 12 Technical description of the burner Proceed as follows: A reduction in delivery is accompanied by a reduction of the pres-  find the correction factor F in the Tab. E, page 10 for the sure in the combustion chamber: plant's air temperature and altitude. •...
  • Page 13: Minimum Furnace Dimensions

    Technical description of the burner Minimum furnace dimensions The firing rates were set in relation to certified test boilers. Fig. 6 indicates the diameter and length of the test combustion chamber. Example Output 1388 MBtu/hr: diameter 20 inch - length 4.9 ft Diameter (inches) D2918 Fig.
  • Page 14: Control Box For The Air/Fuel Ratio (Lmv37.4

    Technical description of the burner 3.10 Control box for the air/fuel ratio (LMV37.4...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes must be observed! WARNING The LMV37.4... is a safety device! Do not open, interfere with or modify the unit.
  • Page 15 Technical description of the burner Technical data LMV37.4... basic unit Mains voltage AC 120 V -15 % / +10 % Mains frequency 50 / 60 Hz ±6 % Power consumption < 30 W (typically) Safety class I, with parts according to II and III to DIN EN 60730-1 Terminal loading Unit fuse F1 (internally) 6.3 AT...
  • Page 16 Technical description of the burner Operation sequence of the burner Operation Shutdown Startup Valve proving TSA2 TSA1 Phase number Safety limit thermostat (STB) Control thermostat or pressurestat (R) Flame signal (FS) Air pressure switch (LP) Pressure switch-min (Pmin) Pressure switch-max (Pmax) Valve proving / leakage test (P LT) POC (alternative to Pmax) Motor (M)
  • Page 17: Actuators (Sqm33.5

    Technical description of the burner 3.11 Actuators (SQM33.5...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! WARNING Do not open, interfere with or modify the actua- tors!  All activities (mounting, installation and service work, etc.) must be performed by qualified staff.
  • Page 18: Installation

    (i.e. a free, safe area to which inch you can quickly move if the burner should fall). During the handling, keep the load at not more than 10” from the RS 28/E 32“ 16“ ground.
  • Page 19: Blast Tube Length

    The range of lengths available, L (inch), is as follows: Model (short blast tube) (long blast tube) RS 28/E “ “ RS 38/E “ “  For boilers with front flue passes 6) or flame inversion cham- bers, protective insulation 4) must be inserted between the boiler refractory 5) and the blast tube 3).
  • Page 20: Combustion Head Setting

    1 or 2 notches. Continuing with the previous example, Tab. G indicates that for burner RS 28/E with output of 990 MBtu/hr a pressure of approxi- Burner max output mately 2.2” WC is necessary at test point 6)(Fig. 13).
  • Page 21: Gas Piping

    Installation Gas piping The main gas train must be connected to the gas attachment 1)(Fig. 15), using flange 2), gasket 3) and screws 4) supplied with D2293 the burner. The main gas train can enter the burner from the right or left side, depending on which is the most convenient.
  • Page 22: 4.11 Gas Pressure

    The Tab. G is used to calculate manifold pressure taking into ac- count combustion chamber pressure. p (“ WC) Model MBtu/hr 0.98 0.98 1.22 1.57 1.69 D2786 1.85 2.05 RS 28/E 2.17 2.28 1078 2.48 2.68 1174 2.76 3.07 1232 2.95 3.58 1.02 1.02...
  • Page 23: 4.12 Electrical Wiring

    Installation 4.12 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 carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination.
  • Page 24: 4.13 Thermal Relay Calibration

    Installation 4.13 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.13.2 Electronic thermal relay lays:  To reset, in the case of an intervention of the thermal relay, – Electro-mechanical termal relay (used for single phase motors) press the button “RESET”...
  • Page 25: 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 26: Burner Calibration

    Start-up, calibration and operation of the burner Burner calibration  Minimum burner output The optimum calibration of the burner requires an analysis of the  Intermediate outputs between low and high fire flue gases at the boiler outlet.  Air pressure switch Adjust successively: ...
  • Page 27: Air Pressure Switch

    Start-up, calibration and operation of the burner Air pressure switch The air pressure switch is connected in differential (Fig. 29) and is activated by both the negative pressure of the air intake and the air pressure from the fan. Adjust the air pressure switch (Fig. 28) after having performed all other burner adjustments with the air pressure switch set to the min.
  • Page 28: Flame Signal Measurement

    Start-up, calibration and operation of the burner Flame signal measurement Check the flame signal through the parameter 954, as indicated in Fig. 31. The displayed value is expressed in percentage. For further and specific information, please refer to the specific in- struction manual.
  • Page 29: Maintenance

    Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, UV scanner safety, yield and duration of the burner. Clean the glass cover from any dust that may have accumulated. It allows you to reduce consumption and polluting emissions and In order to reach the UV scanner, extract the flame sensor to keep the product in a reliable state over time.
  • Page 30: Opening The Burner

    Maintenance Opening the burner 4" Switch off the electrical power. WARNING To open the burner proceed sa follows:  remove the screws 2)(Fig. 34) from the slide bars 3);  install the extention bars 4);  remove screw 1) and pull the burner back on slide bars 3) by about 4”...
  • Page 31: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20044359...
  • Page 32 Appendix - Spare parts CODE DESCRIPTION • 3003760 • 3012986 • • 3014194 GRADUATE SECTOR • • 3003830 SOUND DAMPING • • 20060108 AIR INTAKE • • 20027023 SWITCH • • 3012988 CONDENSER • • 20010962 BUTTON • • 20027013 LIGHT SIGNAL •...
  • Page 33 Appendix - Spare parts CODE DESCRIPTION • • 3013002 SUPPORT • • 3007088 SEAL • • 3003863 PLUG • • 20019263 • • 20027030 AIR DAMPER ASSEMBLY • • 3003873 TEST POINT • • 3003797 CONTROL DEVICE • • 3003798 FRONT PIECE •...
  • Page 34: B Appendix - Accessories

    Appendix - Accessories Appendix - Accessories • Kit for LPG operation The kit allows the burner to operate on LPG. Burner MBtu/hr Code RS 28/E 358 - 1232 3010270 RS 38/E 437 - 1665 3010271 • Gas train according to UL Standards...
  • Page 35: 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: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire : Low Fire Main Power Supply: High Fire Control Power Supply: CO: Low Fire...
  • Page 36 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.com RIELLO BURNERS NORTH AMERICA http://www.riello.ca 35 Pond Park Road 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:

Rs 38/e2010501520044216

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