Riello Burners RS 38/M Installation, Use And Maintenance Instructions

Riello Burners RS 38/M Installation, Use And Maintenance Instructions

Low-high-low or modulating operation

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All manuals and user guides at all-guides.com
Installation, use and maintenance instructions
Gas Burners
RS 28/M - 38/M - 50/M
Low-High-Low or Modulating Operation
C6505055 - 2915760 (0)

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Summary of Contents for Riello Burners RS 38/M

  • Page 1 All manuals and user guides at all-guides.com Installation, use and maintenance instructions Gas Burners RS 28/M - 38/M - 50/M Low-High-Low or Modulating Operation C6505055 - 2915760 (0)
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS WARNING If you smell gas: TECHNICAL DATA ......page 3 Burner models .
  • Page 3: Technical Data

    • RS 28/M COD. 3010257 L = 8 1 / 2 ” L1 = 13 13 / 16 ” • RS 38/M COD. 3010258 L = 8 1 / 2 ” L1 = 13 ” • RS 50/M 13 / 16...
  • Page 4: Burner Description

    31 / 32 “ 24 13 / 16 “ 19 11 / 16 “ To reset, press the pushbutton. RS 38/M 31 / 32 “ 24 13 / 16 “ 19 11 / 16 “ • MOTOR TRIP (RS 38 - 50 three-phase):...
  • Page 5: Firing Rates

    • MAXIMUM OUTPUT , selected within area A, • MINIMUM OUTPUT , which must not be lower than the minimum limit in the diagram. RS 28/M = 198 MBtu/hr 58 kW RS 38/M = 266 MBtu/hr 78 kW RS 50/M = 321 MBtu/hr 94 kW...
  • Page 6: Gas Pressure

    Calculate the approximate maximum output of the burner as follows: - subtract the combustion chamber pressure from the RS 38/M gas pressure measured at test point 1)(B). ∆p (“ WC) - Find the nearest pressure value to your result in col- umn 1A or B of the table for the burner in question.
  • Page 7: Installation

    9 / 32 “ 13 / 16 “ 3 / 8 The position of the threaded holes can be marked using RS 38/M 9 / 32 “ 13 / 16 “ 3 / 8 the head gasket supplied with the burner.
  • Page 8: Combustion Head Adjustment

    2 notches. Continuing with the previous example, page 6 indicates that for burner RS 38/M with output of 1288 MBtu/hr a pressure of approximately 1.81” WC is necessary at test point 6)(A). If this pressure cannot be reached, open the ring 2)(B) to notch 4 or 5.
  • Page 9: Gas Piping

    All manuals and user guides at all-guides.com GAS PIPING • The main gas train must be connected to the gas attachment 1)(A), using flange 2), gasket 3) and screws 4) supplied with the burner. • The main gas train can enter the burner from the right or left side, depending on which is the most conven- ient, see fig.(A).
  • Page 10: Adjustments Before First Firing

    All manuals and user guides at all-guides.com ADJUSTMENTS BEFORE FIRST FIRING LOW GAS PRESSURE SWITCH AIR PRESSURE SWITCH Adjustment of the combustion head, and air and gas deliveries has been illustrated on page 8. In addition, the following adjustments must also be made: - open manual valves on the gas train.
  • Page 11: Burner Calibration

    All manuals and user guides at all-guides.com BURNER CALIBRATION The optimum calibration of the burner requires an analy- sis of the flue gases at the boiler outlet. Adjust successively: 1 - First firing output 2 - Max. burner output 3 - Min. burner output 4 - Intermediate outputs between low and high fire 5 - Air pressure switch D791...
  • Page 12: Minimum Output

    All manuals and user guides at all-guides.com Adjusting air delivery Progressively adjust the end profile of cam 4)(A) by turn- ing the cam adjustment screws as they appear through the access opening 6)(A). - Turn the screws clockwise to increase air delivery. - Turn the screws counter-clockwise to reduce air deliv- ery.
  • Page 13: Air Pressure Switch

    All manuals and user guides at all-guides.com 5 - AIR PRESSURE SWITCH (A) - CO CHECK AIR PRESSURE SWITCH Adjust the air pressure switch after having performed all other burner adjustments with the air pressure switch set to the start of the scale (A). With the burner operating at min.
  • Page 14: Maintenance

    All manuals and user guides at all-guides.com MAINTENANCE FLAME INSPECTION WINDOW Combustion The optimum calibration of the burner requires an analy- sis of the flue gases. Significant differences with respect to the previous measurements indicate the points where more care should be exercised during maintenance. Gas leaks Make sure that there are no gas leaks on the pipework between the gas meter and the burner.
  • Page 15: Factory Wiring Diagram - Burner Mounted Lfl

    MAN = manual LAYOUT (B) AUT = automatic Burners RS 38/M - RS 50/M (three-phase) • Models RS 38/M and RS 50/M leave the factory preset for 208- - Button for: 230 V power supply. - = power reduction • If 460 V power supply is used, change the motor connection from + = power increase delta to star and change the setting of the thermal cut-out as well.
  • Page 16: Field Wiring Diagram - Burner Mounted Lfl

    Use flexible cables according to local Regulations. RS 28/M - RS 38/M Single-phase with burner mounted Siemens LFL control LAYOUT (A) - The RS 28/M - RS 38/M models electrical connection single-phase power supply LAYOUT (B) - The RS 38/M - 50/M models electrical connection three-phase power supply Fuses layout (A) - (B), see table (C).
  • Page 17: Factory Wiring - Remote Panel

    All manuals and user guides at all-guides.com Factor Wiring Diagram RS 28/M - RS 38/M single-phase with Remote Panel D2396 Factory Wiring Diagram RS 38/M - RS 50/M three-phase with remote panel D2403 Key to Layouts (A) - (B) ELECTRICAL SYSTEM...
  • Page 18: Appendix - Burner Firing Rates According To Air Density

    All manuals and user guides at all-guides.com APPENDIX - Burner firing rates according to air density CORRECTION FACTOR average barom. above sea level Air temperature pressure °F (°C) “ W.C. mbar 0 (0°C) 41 (5°C) 50 (10°C) 59 (15°C) 68 (20°C) 77 (25°C) 86 (30°C) 104 (40°F)
  • Page 19: Siemens Lfl Control Sequence Of Operations

    All manuals and user guides at all-guides.com BURNER OPERATION Full Modulation BURNER STARTING • Operating closes. Fan motor starts. • Servomotor starts: 90° rotation to right, until contact is made on red cam. The air damper is positioned to MAX. output. •...
  • Page 20: Siemens Lfl Control Troubleshooting Guide

    All manuals and user guides at all-guides.com BURNER FAULTS Control program under fault In case of any disturbance, the sequence mechanism stops and with it the lock-out indicator. The symbol above the reading mark of the indicator gives the type of disturbance: conditions and lock-out indication No start, e.g.
  • Page 21: Start Up Report

    All manuals and user guides at all-guides.com BURNER START UP REPORT Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION Gas Supply Pressure: : Low Fire High Fire Main Power Supply: : Low Fire High Fire Control Power Supply: CO: Low Fire High Fire...
  • Page 22 All manuals and user guides at all-guides.com Represented By: Power Equipment Company 2011 Williamsburg Road Richmond, VA 23231 Ph: 804-236-3800 Fx: 804-236-3882 www.peconet.com...

This manual is also suitable for:

Rs 28/mRs 50/m

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