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Riello RL 300 Installation, Use And Maintenance Instructions

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Installation, use and maintenance instructions
Light oil burner
Progressive two stage or modulating operation
CODE
MODEL
TYPE
20034452
RL 300/E
34452X
20035606 (1) - 07/2011

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Summary of Contents for Riello RL 300

  • Page 1 Installation, use and maintenance instructions Light oil burner Progressive two stage or modulating operation CODE MODEL TYPE 20034452 RL 300/E 34452X 20035606 (1) - 07/2011...

  • Page 3: Table Of Contents

    Contents Information and general instructions ..............3 Information about the instruction manual .
  • Page 4 Contents 4.14.1 Notes on safety for the electrical wiring ............24 4.15 Thermal relay calibration .

  • 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 manufacturer; 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 RL 300/E Output Min - Max MBtu/hr 2272 - 13824 16 - 99 Delivery Fuel Oil no. 2 Operation Progressive two-stage or modulating Nozzles number Standard applications...

  • Page 9: Burner Dimensions

    9 / 64 ” 1 / 32 ” 17 / 32 ” 19 / 32 ” RL 300/E Tab. B Packaging - weight - Approximate measurements The burners stands on a wooden base which can be lifted by fork- lifts. Outer dimensions of packaging are indicated in Fig. 2.

  • Page 10: Firing Rate

    (Fig. 3). MINIMUM OUTPUT must not be lower than the minimum limit shown in the diagram: RL 300/E = 2272 MBtu/h The firing rate area values have been obtained con- sidering a surrounding temperature of 68 °F, and an atmospheric pressure of 394 “WC (approx.

  • Page 11: Burner Description

    Technical description of the burner Burner description D11234 Fig. 5 Lifting eyebolts 21 QRI cell 22 Air pressure test point “+” Fan motor 23 Oil modulator valve servomotor Air gate valve servomotor 24 Pump Security relief valve 25 Pump motor Combustion head 26 Minimum oil pressure switch Ignition pilot...

  • Page 12: Panel Board Description

    Technical description of the burner 3.8.1 Panel board description D11252 Fig. 6 Entry for power cables, external leads and kit Relay outlet - clean contacts Electronic cam transformer Electronic cam setting device Ignition transformer Main supply terminal strip Selector “OFF - ON” Signal light for power ON Signal light for call for heat 10 Selector “LOCAL - REMOTE”...

  • Page 13: Control Box For The Air/Fuel Ratio (Lmv51

    Technical description of the burner Control box for the air/fuel ratio (LMV51...) Warning notes To avoid injury to persons, damage to prop- erty or the environment, the following warn- ing notes must be observed! The LMV51... is a safety device! WARNING Do not open, interfere with or modify the unit.
  • Page 14 Technical description of the burner Electrical connection of ionization probe and flame detector • Observe the permissible cable lengths. It is important to achieve practically disturbance- and loss-free sig- • The ionization probe is not protected against electrical shock nal transmission: hazard.
  • Page 15 Technical description of the burner Operation sequence of the burner TSA1 TSA1 Timer 3 = phase max. time Fuel 1 (oil) Fuel selection Fuel 2 (gas) Controller - ON (internal + external) (ARF - LP, alternative to (GSK)) Heavy oil - direct start Fuel valve, SV Fuel valve, PV Fuel valve, V1...
  • Page 16 Technical description of the burner Legend to the sequence diagrams: Assignment of times: Depending on the parameter, valve proving takes place: Postpurge lockout position between phase 62 and phase 70 or/and Max. time safety phase between phase 30 and phase 32. Min.
  • Page 17 Technical description of the burner Legend to the sequence diagrams: Parameter: With / without pressure switch Permissible positioning range Parameter: Short / long preignition time for oil only Short / long oil pump – ON – time In Standby: actuator can travel within the permissible po- Delayed shutdown within TSA1 + TSA2 sitioning range, but is always driven to the home position.

  • Page 18: Actuators

    Technical description of the burner 3.10 Actuators Warning notes To avoid injury to persons, damage to prop- erty or the environment, the following warn- ing notes should be observed! WARNING Do not open, interfere with or modify the ac- tuators! ...

  • Page 19: 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 20: Preparing The Boiler

    For boilers having a water-cooled front the refractory fettling 2)- 5)(Fig. 12) is not required unless it is expressly requested by the boiler manufacturer. D455 Fig. 11 RL 300/E 32” 64” 64” Tab. G Securing the burner to the boiler Prepare an adequate system of hoisting by hooking onto the rings 3)(Fig.

  • Page 21: Nozzles

    Installation Nozzles The burner complies with the emission requirements of the EN 267 4.8.2 Choice of nozzle standard. Nozzles with or without fuel shutoff needle can be fitted on the noz- In order to guarantee that emissions do not vary, recommended zle holder.

  • Page 22: Pilot Gas Train Line

    Installation 4.10 Pilot gas train line It must be type-approved according to required standards and is supplied separately from the burner. Key (Fig. 15) Gas input pipe for pilot Vent Manual valve Pilot regulator Safety shut-off valve NO vent valve Pi l ot Burner gas suppl y...

  • Page 23: Light Oil Supply

    Installation 4.12 Light oil supply 4.12.1 Double-pipe circuit The burner is equipped with a self-priming pump which is capable of feeding itself within the limits listed in the Tab. I. The tank higher than the burner A The distance "P" must not exceed 33 ft in order to avoid subjecting the pump's seal to excessive strain;...

  • Page 24: Hydraulic System Layout

    Installation 4.12.4 Hydraulic system layout 4.12.5 Pressure variator The pressure variator (Fig. 21) integrated into the valve unit of the oil circuit makes it possible to vary the pressure on return of the nozzle depending on the flow rate required. Governing of the pressure on return is obtained with the varia- tion of a section by rotating the servomotor 23)(Fig.

  • Page 25: Pump

    Installation 4.13 Pump 4.13.2 Pump priming Before starting the burner, make sure that the tank return line is not clogged. Obstructions in the line could cause the sealing WARNING organ located on the pump shaft to break. – For self-priming to take place, the screw 4)(Fig. 22) of the pump must be loosened in order to bleed off the air contained in the suction line.

  • Page 26: Electrical Wiring

    Installation 4.14 Electrical wiring 4.14.1 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 27: Thermal Relay Calibration

    Installation 4.15 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.15.2 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 28: 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 29: Air/Fuel Control And Power Modulation System

    Start-up, calibration and operation of the burner Air/fuel control and power modulation system The air/fuel and power modulation system installed on burner se- 5.4.2 Air gate adjustment for maximum output ries provides, a set of integrated functions ensuring top level ener- Set the servomotor to maximum opening (near 90°) so that the air gy and operational performance from the burner, both for single butterfly valves are fully open.

  • Page 30: Pressure Switches Calibration

    Start-up, calibration and operation of the burner Pressure switches calibration 5.6.1 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. 31). With the burner operating at min.

  • Page 31: Maintenance

    Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- Before carrying out any maintenance, cleaning or checking opera- ty, yield and duration of the burner. tions: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time.

  • Page 32: Opening The Burner

    Maintenance 6.2.3 Opening the burner Disconnect the electrical supply from the burner. DANGER  Remove the tie rod 1)(Fig. 34) of the head movement lever, loosening nut 2).  Disconnect the oil servomotor test point 3).  Remove screws 5). At this point it is possible to open the burner at the hinge.

  • Page 33: A Appendix - Spare Parts

    Appendix - Spare parts Appendix - Spare parts 20035606...
  • Page 34 Appendix - Spare parts CODE DESCRIPTION 20041683 COMBUSTION HEAD ASSEMBLY 20013114 MANIFOLD 20006151 QRI CELL 20041659 CONNECTOR 3006896 CONNECTOR 3013304 AIR SERVOMOTOR 20041674 AIR DIFFUSER 3013460 CONNECTOR 3013461 VALVE NOT RETURN 3013307 JOINT 20013115 COVER 3013311 3013312 3013313 SLEEVE 3013314 END CONE 3013508 SHUTTER...
  • Page 35 Appendix - Spare parts CODE DESCRIPTION 3013282 CONTROL BOX 3003006 3006723 CONNECTOR 3012841 SOCKET 20041698 SUPPORT 3013516 TUBE 3013517 TUBE 20041716 TUBE 20041723 TUBE 3006140 PRESSURE GAUGE 20029212 VALVE 3006158 PUMP 20029257 VALVE 20041730 TUBE 3007079 SEAL 20029248 VALVE 20041732 MOTOR A DVISED PARTS = Spare parts for minimum fittings...

  • Page 36: B Appendix - Electrical Panel Layout

    Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts References layout Layout of unifilar output Operational layout LMV51... operational layout LMV51... operational layout LMV51... operational layout LMV51... operational layout LMV51... operational layout LMV51... operational layout LMV51... operational layout Electrical connections set by installer Electrical connections set by installer Reference layout...
  • Page 37 Appendix - Electrical panel layout 20035606...
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  • Page 47 Appendix - Electrical panel layout 20035606...
  • Page 48 Appendix - Electrical panel layout Key to electrical layout - Electronic cam - Display and operating unit - Probe with current output - Load indicator - Remote set point - Thermocouple probe - Fan motor thermal cut-out - Pump motor thermal cut-out - Auxiliary fuse - Signal light for power on - Signal light for call to heat...

This manual is also suitable for:

Rl 300e

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