Riello RS 190/M Installation, Use And Maintenance Instructions
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Riello RS 190/M Installation, Use And Maintenance Instructions

Forced draught gas burner
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Installation, use and maintenance instructions
Forced draught gas burner
GB
Low-high-low or modulating operation
CODE
MODEL
20036719
RS 190/M
20037047 (4) - 11/2014

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Summary of Contents for Riello RS 190/M

  • Page 1 Installation, use and maintenance instructions Forced draught gas burner Low-high-low or modulating operation CODE MODEL 20036719 RS 190/M 20037047 (4) - 11/2014...

  • Page 3: Table Of Contents

    Contents Information and general instructions ..............3 Information about the instruction manual .
  • Page 4 Contents Adjustments before first firing ..............24 Burner start-up.

  • Page 5: Information And General Instructions

    Information and general instructions Information and general instructions Information about the instruction manual 1.1.1 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 be away from moving mechanical parts;...

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

    Information and general instructions 1.1.4 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 7: 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 8: Technical Description Of The Burner

    Technical description of the burner Technical description of the burner Technical data Model RS 190/M Output High MBtu/hr 4845 - 8673 1420 - 2542 MBtu/hr 1781 Fuel Natural or propane gas - Max. delivery SCFH 8673 - Pressure at max. delivery “WC...

  • Page 9: Packaging - Weight

    Packaging - weight The burners are skid mounted. Outer dimensions of packaging are indicated in Tab. D. The weight of the burner complete with packaging is indicated in Tab. D. inch RS 190/M 16“ 64“ 8“ Tab. D Fig. 1 Burner dimensions The maximum dimensions of the burners are given in Tab.

  • Page 10: Firing Rate

    Minimum output which must not be lower than the minimum limit WARNING combustion head adjusted as shown at page 16. in the diagram. Model MBtu/hr RS 190/M 1781 D2431 Fig. 3 3.7.1 Procedure to refer burner operating condition in high altitude plants Find the CORRECTED BURNER CAPACITY for the plant’s alti-...
  • Page 11 Technical description of the burner CORRECTED BURNER CAPACITY ACCORDING TO ALTITUDE Altitude m a.s.l. 1220 1525 1830 2135 2440 Rated Capacity ft a.s.l 1000 2000 3000 4000 5000 6000 7000 8000 1000 1000 1023 1061 1101 1142 1186 1232 1282 1337 1500 1481...

  • Page 12: Minimum Furnace Dimensions

    Technical description of the burner Minimum furnace dimensions The firing rate was set in relation to certified test boilers. Example: Output 2579 MBtu/hr: Fig. 4 indicates the diameter and length of the test combustion diameter 24 inch - length 6.6 ft chamber.

  • Page 13: Burner Description

    Technical description of the burner Burner description Combustion head 15 13 Ignition electrode Screw for combustion head adjustment High gas pressure switch Servomotor controlling the gas butterfly valve and the air damper (by means of a variable profile cam mechanism). When the burner is stopped the air damper will be completely closed to reduce heat loss Fan motor...

  • Page 14: Honeywell Control Box

    Technical description of the burner 3.10 Honeywell control box Wiring subbase Run/test switch Relay module Configuration jumpers Purge timer Sequence status led panel Reset button Captive mounting screw Keyboard display module Flame amplifier S8158 Fig. 6 APPLICATION SPECIFICATIONS The Honeywell RM7840 ... Relay Modules are microprocessor- Electrical ratings based integrated burner controls for automatically fired gas, oil, or Voltage and Frequency:...

  • Page 15: Rm7840

    Technical description of the burner 3.10.1 RM7840 ... sequence diagram S8160 Fig. 7 For further and specific information (setting and service work, etc.), please refer to the specific instruction of the control box. Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes must be observed! WARNING...

  • Page 16: Actuator

    Technical description of the burner 3.11 Actuator 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 17: Installation

    Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will be The installation of the burner must be carried out by installed, and arranging the correct lighting of the environment, pro- qualified personnel, as indicated in this manual and ceed with the installation operations.

  • Page 18: Preparing The Boiler

    The length available, L (inches), is as follows: Model RS 190/M “ ➤ For boilers with front flue passes 15)(Fig. 11) or flame inver- sion chambers, protective insulation material 13), must be inserted between the boiler refractory 14) and the blast tube 12).

  • Page 19: Gas Adjustment

    Installation 4.7.2 Gas adjustment When the burner is installed for a maximum output ≤ 5726 MBtu/hr unscrew and remove the front part 1)(Fig. 13). ➤ Replace it with the supplied cap 2)(Fig. 13), after removing the inner pipe 3). ➤ Replace the disc 4) with the supplied disc without hole. If there is low gas supply pressure, the head may be left in standard configuration, limiting the minimum modulation to 1980 MBtu/ Example:...

  • Page 20: Ignition Pilot And Electrode Adjustment

    Installation Ignition pilot and electrode adjustment Place the pilot and electrode as shown in Fig. 16. The pilot works correctly at pressures ranging from 5 - 12” WC. To set the pilot without main burner operation, pro- ceed as follows: –...

  • Page 21: Gas Supply

    Installation 4.11 Gas supply Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure that the fuel interception tap is closed before performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws.

  • Page 22: Gas Pressure

    Installation 4.11.3 Gas pressure D3190 Fig. 20 is used to calculate manifold pressure taking into account combustion chamber pressure. Gas manifold pressure measured at test point 1)(Fig. 21), with: – combustion chamber at 0 “WC – burner operating at maximum output –...

  • Page 23: 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: 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: Motor Connection At 208-230 Or 460V

    Installation 4.14 Motor connection at 208-230 or 460V WARNING: the motors, manufactured for 208-230/460 IE2/Epact voltage, have a different connection than IE1 motors, no more star/delta but star/double star. Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution. IE2/Epact S8380 S8379...

  • Page 26: 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 27: Burner Start-Up

    Start-up, calibration and operation of the burner Burner start-up Feed electricity to the burner via the disconnecting switch on the boiler panel. Close the thermostats/pressure switches. Turn the switch to position “ON” (Fig. 32) and turn the switch of to position “AUTO”...

  • Page 28: Minimum Burner Output

    Start-up, calibration and operation of the burner Adjusting air delivery Progressively adjust the end profile of cam 4)(Fig. 33) by turning the cam adjustment screws as they appear through the access opening 6). ➤ Turn the screws clockwise to increase air delivery. ➤...

  • Page 29: Actuator Regulation

    Start-up, calibration and operation of the burner Actuator regulation The actuator gives simultaneous regulation of the air damper through the variable cam profile 4)(Fig. 33 at page 26) and the gas Blue wire butterfly valve. It rotates by 130° in approx. 36 s. The factory settings must not be changed for the first firing, just Black wire check that they comply with the details below.

  • Page 30: Final Calibration Of The Pressure Switches

    Start-up, calibration and operation of the burner Final calibration of the pressure switches 5.7.1 Air pressure switch Adjust the air pressure switch after having performed all other burn- er adjustments with the air pressure switch set to the start of the scale (Fig.

  • Page 31: Minimum Gas Pressure Switch

    Start-up, calibration and operation of the burner 5.7.3 Minimum gas pressure switch Adjust the minimum gas pressure switch after having performed all the other burner adjustments with the pressure switch set at the start of the scale (Fig. 41). With the burner operating at MAX output, increase adjustment pressure by slowly turning the relative dial clockwise until the burn- er locks out.

  • Page 32: Flame Signal Measurement

    Start-up, calibration and operation of the burner 5.8.4 Flame signal measurement 5.8.5 Inadequate flame signal Flame signal can be measured at the Flame Signal Test Jacks, see If a satisfactory flame signal cannot be obtained while adjusting the Fig. 43, and at the Keyboard Display Module. sighting position of the detector, perform the procedures indicated in steps 1 through 7.

  • Page 33: 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 34 Maintenance UV scanner ➤ Be extremely careful while troubleshooting the detector; line voltage is present on some of the terminals when power is on. WARNING ➤ Open the master switch to disconnect power before removing or installing the detector. Periodic maintenance and cleaning ➤...

  • Page 35: Opening The Burner

    Maintenance Opening the burner To open the burner proceed sa follows: ➤ remove screws 1)(Fig. 46) and withdraw the cover 2); Disconnect the electrical supply from the burner by ➤ disconnect the swirler joint 7) to the graduate sector; means of the main system switch. ➤...

  • Page 36: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20037047...
  • Page 37 Appendix - Spare parts CODE DESCRIPTION BURNER SERIAL NUMBER ≤ 02413xxxxxx 3013684 AIR DAMPER ASSEMBLY ≥ 02423xxxxxx 20073610 AIR DAMPER ASSEMBLY 3013683 GRID 3013682 SOUND DAMPING 3012976 3003763 INSPECTION WINDOW 3013001 U BOLT 3012983 PILOT TUBE 3012948 AIR PRESSURE SWITCH 20027917 RELAY 20031413...
  • Page 38 Appendix - Spare parts CODE DESCRIPTION BURNER SERIAL NUMBER 3012646 TIE ROD 3012352 20028726 SUPPORT 20029442 LEVER 3012355 GRADUATE SECTOR 3012356 SPRING 3003543 TIE ROD 3012357 BEARING 3013055 TUBE 3003220 CONNECTOR 20027020 LIGHT SIGNAL 20036019 LIGHT SIGNAL 20027018 LIGHT SIGNAL 3012841 BASE 20010969...

  • Page 39: Appendix - Accessories

    • Kit for LPG operation The kit allows the burner to operate on LPG. Burner MBtu/hr Code RS 190/M 1761 - 8673 3010276 • Gas train according to UL Standards The installer is responsible for the supply and instal- lation of any required safety device(s) not indicated in this manual.

  • Page 40: 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 : Low Fire...
  • Page 44 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...

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