Table of Contents
Advertisement
Quick Links
Installation, use and maintenance instructions
Dual fuel light oil/ gas burners
GB
Progressive two stage or modulating operation
C9131400 - C9131410 - C9131401
C9132400 - C9132410 - C9132401
C9133400 - C9133410 - C9133401
C9134400 - C9134410 - C9134401
C9135400 - C9135410 - C9135401
CODE
MODEL
RLS 300/EV
RLS 400/EV
RLS 500/EV
RLS 650/EV
RLS 800/EV
20037164 (10) - 01/2015
Advertisement
Table of Contents
Related Manuals for Riello RLS 300/EV
Summary of Contents for Riello RLS 300/EV
- Page 1 Dual fuel light oil/ gas burners Progressive two stage or modulating operation CODE MODEL C9131400 - C9131410 - C9131401 RLS 300/EV C9132400 - C9132410 - C9132401 RLS 400/EV C9133400 - C9133410 - C9133401 RLS 500/EV C9134400 - C9134410 - C9134401...
-
Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Motor connection at 208-230 or 460V only for RLS 300/EV .......
-
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 RLS 300/EV RLS 400/EV RLS 500/EV Output High 1387 – 4220 (3834*) 1998 – 4995 (4541*) 2775 – 5740 (5217*) MBtu/hr 4732 – 14390 (13082*) 6817 – 17042 (15494*) 9468 –... -
Page 9: Electrical Data
Technical description of the burner Electrical data Fan motor and pump motor IE1 Model RLS 300/EV RBNA Code C9131400 C9131410 C9131401 Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 208 - 220/3/60 460/3/60 575/3/60 Fan motor... - Page 10 Technical description of the burner Fan motor and pump motor IE1 Model RLS 650/EV RBNA Code C9134400 C9134410 Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 208 - 220/3/60 460/3/60 Fan motor 3640 3640 208 - 230 Pump motor 3470 3470...
- Page 11 Technical description of the burner Fan motor and pump motor IE2/EPACT Model RLS 300/EV RBNA Code C9131400 C9131410 C9131401 Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 208 - 220/3/60 460/3/60 575/3/60 Fan motor 3500 3500...
- Page 12 Technical description of the burner Fan motor and pump motor IE2/EPACT Model RLS 500/EV RBNA Code C9133400 C9133410 C9133401 Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 208 - 220/3/60 460/3/60 575/3/60 Fan motor 3545 3545 3545 208 - 230 23.5...
-
Page 13: Burner Models Designation
Electrical protection NEMA 1 Tab. C Burner models designation Model Code Code RBNA Voltage Fan motor starting Flame safeguard C9131400 208 - 220/3/60 RLS 300/EV 20036677 C9131410 460/3/60 Inverter Burner mounted C9131401 575/3/60 C9132400 208 - 220/3/60 RLS 400/EV 20036695... -
Page 14: Packaging - Weight - Approximate Measurements
The overall dimensions of the packaging are shown in the Tab. E. The weight of the burner complete with its packaging is shown in Tab. E. inch RLS 300/EV 64“ 64“ 16“ RLS 400/EV 64“... -
Page 15: Burner Description
Technical description of the burner Burner description OIL PIPING VIEW 20096425 Fig. 3 Lifting eyebolts 21 QRI flame detector 22 Air pressure test point “+” Fan motor 23 Oil modulator and gas butterfly valve servomotor Air gate valve servomotor 24 Pump Gas pressure test point 25 Pump motor Combustion head... -
Page 16: Panel Board Description
Technical description of the burner Panel board description D11450 Fig. 4 “OFF - LOCAL - REMOTE” switch 33 Plug/socket for maximum pressure switch “POWER ON” signal 34 Plug/socket for air actuator “CALL FOR HEAT” signal 35 Plug/socket for QRI flame sensor “OIL - OFF - GAS”... -
Page 17: Firing Rates
Technical description of the burner Firing rates Maximum output must be selected in the hatched area of the dia- Model MBtu/hr gram (Fig. 5). RLS 300/EV 1387 Minimum output must not be lower than the minimum limit shown RLS 400/EV 1998 in the diagram. -
Page 18: Procedure To Refer Burner Operating Condition In High Altitude Plants
Technical description of the burner 3.9.1 Procedure to refer burner operating condition Example in high altitude plants Rated capacity = 3000 MBtu/hr - Rated air pressure = 1.5” WC Find the CORRECTED BURNER CAPACITY for the plant’s alti- Real altitude = 5000 ft - Real temperature = 108°F tude in chart 1 and the CORRECTED PRESSURE in chart 2. -
Page 19: Minimum Furnace Dimensions
Technical description of the burner CORRECTED BURNER AIR PRESSURE ACCORDING TO ALTITUDE Altitude m a.s.l. 1220 1525 1830 2135 2440 Rated Pressure ft a.s.l 1000 2000 3000 4000 5000 6000 7000 8000 0.50 0.49 0.50 0.51 0.53 0.55 0.57 0.59 0.62 0.64 0.67... -
Page 20: Control Box For The Air/Fuel Ratio (Lmv52
WARNING The LMV52... is a safety device! Do not open, in- terfere with or modify the unit. Riello S.p.A. will not assume responsibility for any damage resulting from unauthorized inter- ference! Risk of explosion! Incorrect configuration can lead to excessive... - Page 21 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 • The ionization probe is not protected against electrical shock signal transmission: hazard.
- Page 22 Technical description of the burner Operation sequence of the burner TSA1 Timer 1 Timer 2 TSA1 Fuel 1 (oil) Fuel selection Fuel 2 (gas) Controller - ON (internal + external) Air pressure switch (LP) Fan conductor contact (GSK) (CPI function with LMV52...) Start release - oil Ignition (Z) (alternative start signal)
- Page 23 Technical description of the burner Key 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 24 Technical description of the burner Key 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 25: Actuators
Technical description of the burner 3.12 Actuators 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 26: 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 27: Boiler Plate
Installation Boiler plate Drill the combustion chamber mounting plate as shown in Fig. 11. The position of the threaded holes can be marked using the gasket supplied with the burner. inch RLS 300/EV coarse 32” 64” 4” RLS 400/EV coarse 32”... -
Page 28: Electrode And Ignition Pilot Adjustment
Installation RLS 650 - 800/EV model (Fig. 14) ➤ Disconnect the electrical wiring related to oil pump/servomo- While unscrewing, some fuel may leak out. tor, air servomotor and gas pressure switch; WARNING ➤ disconnect the leverages related to air damper and head ➤... -
Page 29: Nozzle
In order to guarantee that emissions do not vary, recommended The use of nozzles other than those specified by the and/or alternative nozzles specified by Riello in the Instruction and Manufacturer and inadequate regular maintenance warning booklet should be used. -
Page 30: Nozzle Installation
Installation 4.8.2 Nozzle installation – Fit the nozzle with the box spanner, fitting the spanner through the central hole in the flame stability disk (Fig. 17). – Nozzles with no fuel shutoff needle must be fitted on the nozzle holder. –... -
Page 31: Combustion Head Setting
➤ screw the spacers 4) onto spacer 1) and screw 5) respectively, ➤ once done, refit the tie rod and nuts. D3409 Fig. 19 D11258 RLS 300/EV RLS 400/EV RLS 500/EV M Bt u/ hr 4545 6060... -
Page 32: Adjustment At The Maximum Output (For Gas)
Installation Only for RLS 400/EV model To achieve operation at minimum output, the com- bustion head’s gas pipes must be adjusted to hole position 5 (Fig. 21). WARNING Fig. 21 D3418 4.9.1 Adjustment at the maximum output (for gas) ➤ unscrew the screws and remove the 8 tangential tubes 1); Only for RLS 650/EV model ➤... -
Page 33: Hydraulic System
Installation 4.10 Hydraulic system 4.10.1 Double-pipe circuit It is good practice to ensure that the return and suction lines enter the burner from the same height; in this way it will be more improb- The burner is equipped with a self-priming pump which is capable able that the suction line fails to prime or stops priming. -
Page 34: Hydraulic Connections
Installation 4.11 Hydraulic connections The pumps are equipped with a by-pass that connects return line and suction line. The pumps are installed on the burner with the by-pass closed by screw 6)(Fig. 25). It is therefore necessary to connect both hoses to the pump. -
Page 35: Pump
Installation 4.12 Pump 4.12.1 Technical data Pump model (RLS 300-400/EV) (RLS 500/EV) (RLS 650-800/EV) Min. delivery rate at 300 PSI pressure Delivery pressure range 102 - 580 102 - 435 Max. suction pressure Viscosity range 3 - 75 Max. oil temperature °F 302 (150 °C) Max. -
Page 36: Gas Supply
Installation 4.13 Gas supply 4.13.1 Gas train The gas train is to be connected on the right of the burner, by flange 1)(Fig. 26). If necessary connect it on the left, proceed as follows: – loosen nuts and screws 3) and 4); –... -
Page 37: Gas Pressure
Installation 4.13.3 Gas pressure 1 ∆p (“WC) 2 ∆p (“WC) MBtu/hr (GCV) The Tab. J shows minimum pressure losses along the gas supply 5112 0.63 line depending on the maximum burner output operation. 5680 0.79 The values shown in the Tab. J refer to natural gas (GCV). 7574 1.38 Column 1... -
Page 38: Electrical Wiring
Installation 4.14 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 39: Other Connection
Installation 4.14.1 Other connection It is very important to shield the motor cable 1) as The connection from the Inverter to LMV52..must be done shown in Fig. 30. as shown in Fig. 31. WARNING The connection from the speed sensor to LMV52..must be done as shown in Fig. -
Page 40: Inverter Connection
Installation 4.15.1 Inverter connection Treatment of cables Countermeasures against cable noise Following, it is reported an example how to con- nect the Inverter. The treatment of cables is the most important countermeasure. For further information, please refer to the relevant The machinery manufacturers are requested WARNING Inverter instruction manual. -
Page 41: Thermal Relay Calibration
Installation 4.16 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.16.2 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 “... -
Page 42: Motor Connection At 208-230 Or 460V Only For Rls 300/Ev
Installation 4.17 Motor connection at 208-230 or 460V only for RLS 300/EV WARNING : the motors, manufactured for 208-230/460V 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. -
Page 43: Motor Connection At 208-230 Or 460V Only For Rls 400-500-650-800/Ev
Installation 4.20 Motor connection at 208-230 or 460V only for RLS 400-500-650-800/EV WARNING : the motors, manufactured for 208-230/460V 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 S8407 S8406... -
Page 44: 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 45: Adjustments Before First Firing (Gas Operation)
Start-up, calibration and operation of the burner Adjustments before first firing (gas operation) Adjustment of the combustion head has been illustrated on page 29. In addition, the following adjustments must also be made: ➤ open manual valves up-stream from the gas train. ➤... -
Page 46: Combustion Air Adjustment
Start-up, calibration and operation of the burner 5.6.1 Combustion air adjustment Fuel/combustion air must be synchronized with the relevant servo- motors (air and gas) by storing a setting curve by means of the electronic cam. To reduce pressure loss and to have a wider adjustment range, it is best to set the servomotor to the maximum output used, as near to maximum opening (90°) as possible. -
Page 47: 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 (Fig. 51) after having performed all other burner adjustments with the air pressure switch set to the start of the scale. With the burner operating at min. -
Page 48: Low Oil Pressure Switch
Start-up, calibration and operation of the burner 5.7.4 Low oil pressure switch The low oil pressure switch (Fig. 54) is factory set to 261 PSI (18 bar). If the oil pressure goes down this value in the delivery piping, the pressure switch stops the burner. -
Page 49: Burner Starting
Start-up, calibration and operation of the burner Burner starting ➤ Operating control closes, the motor starts. ➤ The ignition pilot starts. ➤ The pump 18)(Fig. 55) draws the fuel from the tank through ➤ Solenoid valves 5) - 6) open; the fuel passes through the pip- the piping 1) and pumps it under pressure for delivery. -
Page 50: Final Checks (With The Burner Working)
Start-up, calibration and operation of the burner Final checks (with the burner working) ➮ ➤ Open the control limit operation The burner must stop ➤ Open the high limit operation ➤ Rotate the maximum gas pressure switch knob to the mini- mum end-of-scale position ➮... -
Page 51: 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 52: Opening The Burner
Maintenance Flexible hoses GAS OPERATION Check to make sure that the flexible hoses are still in good condi- tion. Gas leaks Make sure that there are no gas leaks on the pipework between the Fuel tank gas meter and the burner. Approximately every 5 years, or whenever necessary, suck any water or other impurities present on the bottom of the tank using a Gas filter... -
Page 53: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20037164... - Page 54 Appendix - Spare parts CODE DESCRIPTION • 20042722 OIL/GAS HEAD • 20042723 OIL/GAS HEAD • 20042725 OIL/GAS HEAD • 20042726 OIL/GAS HEAD • 20042727 OIL/GAS HEAD • • 3013106 ELECTRODE • 20042714 ELECTRODE • • 20011338 ELECTRODE • • 20013159 ELECTRODE CONNECTION •...
- Page 55 Appendix - Spare parts CODE DESCRIPTION • • • • • 3013308 JOINT • • • • • 3005447 PRESSURE GAUGE • • • 20013114 MANIFOLD ASSEMBLY • • 20014022 MANIFOLD ASSEMBLY • • • • • 20040697 LEVER ASSEMBLY •...
- Page 56 Appendix - Spare parts CODE DESCRIPTION • 3014171 AIR DIFFUSER • • 20011119 AIR DIFFUSER • • • 3013462 SWIVEL FITTING • • 20011190 SWIVEL FITTING • • • 3013323 HINGE • • 3013960 HINGE • • 3013549 SPRAY NOZZLE •...
- Page 57 Appendix - Spare parts CODE DESCRIPTION • • • • • 3020068 RELAY • • • • • 3020071 BASE • • • • • 20031873 SELECTOR SWITCH • • • • • 20043307 RELAY SUPPORT • • • • •...
-
Page 58: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories 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. WARNING 20037164...