Riello RL 28/M Electrical Installation, Use And Maintenance Instructions
Light oil burners
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- Installation, use and maintenance instructions (52 pages) ,
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- Installation, use and maintenance instructions (44 pages)
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Installation, use and maintenance instructions
Light oil burners
GB
Low-high-low or modulating operation
C9511300
C9511320
C9512353
C9512300
C9512301
C9512310
C9512320
C9513303
C9513353
C9513300
C9513301
C9513310
CODE
MODEL
RL 28/M
RL 28/M
RL 38/M
RL 38/M
RL 38/M
RL 38/M
RL 38/M
RL 50/M
RL 50/M
RL 50/M
RL 50/M
RL 50/M
2915762 (9) - 06/2021
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Related Manuals for Riello RL 28/M
Summary of Contents for Riello RL 28/M
- Page 1 Installation, use and maintenance instructions Light oil burners Low-high-low or modulating operation CODE MODEL C9511300 RL 28/M C9511320 RL 28/M C9512353 RL 38/M C9512300 RL 38/M C9512301 RL 38/M C9512310 RL 38/M C9512320 RL 38/M C9513303 RL 50/M C9513353 RL 50/M...
- Page 2 Original instructions...
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Page 3: Table Of Contents
CONTENTS INFORMATION ABOUT THE INSTRUCTION MANUAL INFORMATION ABOUT THE INSTRUCTION MANUAL ..page 1 INTRODUCTION The instruction manual supplied with the burner: SAFETY AND PREVENTION ......2 is an integral and essential part of the product and must not be sepa- TECHNICAL DATA. -
Page 4: Safety And Prevention
SAFETY AND PREVENTION GUARANTEE AND RESPONSIBILITY The manufacturer guarantees its new products from the installation date, in accordance with the regulations in force and/or the sales contract. At INTRODUCTION the moment of the first start-up, check that the burner is integral and com- The burners have been designed and built in compliance with current plete. -
Page 5: Technical Data
The installer is responsible for the supply 15 / 32 13 / 16 Flame inversion boiler kit and installation of any safety device(s) not WARNING indicated in this manual. COD. 3010178 • RL 28/M - RL 38/M COD. 3010179 • RL 50/M... -
Page 6: Burner Description
Flame safeguard lock-out: If the flame relay 23)(A) push-button lights up, it indi- cates that the burner is in lock-out. inch To reset, press the push-button. RL 28/M 39 31 / 32 “ 24 13 / 16 “ 19 11 / 16 “... -
Page 7: Firing Rates
FIRING RATES (A) During operation, burner output varies between: • MINIMUM OUTPUT : area A RL 28/M • MAXIMUM OUTPUT : area B Graphs (A): Horizontal axis : Burner output Vertical axis : Heater furnace pressure The firing rate may be found by plotting a vertical line from the desired delivery and a horizontal line from the pressure in the combustion chamber. -
Page 8: Choice Of Nozzle
CHOICE OF NOZZLE (A) A3 - A4 It is advisable to replace nozzles once a year during periodical maintenance. 246.5 The use of nozzles other than those specified by 246.5 the Manufacturer and inadequate regular 217.5 maintenance may result into emission limits non-conforming to the values set forth by the 10.6 regulations in force, and in extremely serious... -
Page 9: Fuel Supply
FUEL SUPPLY Double-pipe circuit (A) The burner is equipped with a self-priming pump which is capable of supplying itself within the limits listed in the table at the side. The tank higher than the burner A Distance “P” must not exceed 33 ft in order to avoid sub- jecting the pump’s seal to excessive strain;... -
Page 10: Servomotor
SERVOMOTOR (A) The servomotor provides simultaneous adjustment of the ORANGE CAM air damper 11)(B) page 9 and the pressure regulator 9) BLUE CAM by means of a double variable profile cam, 4) and 7). The servomotor rotates through 90° in 25 seconds. RED CAM Do not alter the factory setting for the cams;... -
Page 11: Burner Firing
BURNER FIRING Close load controls and set switch 1)(A) to “MAN”. After burner firing a complete burner adjustment should be performed. BURNER CALIBRATION D791 All the installation, maintenance and disassembly operations must be carried with electricity supply disconnected. DANGER The installation of the burner must be carried out by qualified personnel, as indicated in this manual and in compliance with the standards and regulations of the... -
Page 12: Min Power
Adjusting air delivery Two shutters 1) and 2) are provided to adjust the air. These shutters are factory set to maximum opening. Firstly, with burner at maximum operation, adjust shutter 2) which must be closed gradually until optimum com- bustion is obtained. If total closure of shutter 2) is not suf- ficient, also close shutter 1) (secondly) as follows: vary the final profile of the lower cam 4)(B) via the screws 5) inside the opening 6). -
Page 13: Sequence Of Operation
SEQUENCE OF OPERATION Full Modulation Switching times are given in seconds, in the burner start-up sequence. LAL 2.25 optional optional Key for the times Pre-purge time with air damper open Safety time Pre-ignition time, short (“Z” connected terminal “16”) Interval between voltage at terminals “18” and “20”... -
Page 14: Burner Operation
BURNER OPERATION BURNER STARTING - See figure (A) Control circuit closes, the motor starts. The pump 3) sucks the fuel from the tank through the pip- ing 1) and the filter 2) and pumps it under pressure to de- livery. The piston 4) rises and the fuel returns to the tank through the piping 5) - 7). -
Page 15: Burner Fault Indications
BURNER FAULT INDICATIONS Control program fault conditions and lock-out indication Whenever a fault occurs, the sequence switch stops and with it the lock-out indicator. The symbol above the reading mark of the indicator gives the type of fault: No start One of the contacts has not closed - Air damper opened. -
Page 16: Maintenance
MAINTENANCE All the installation, maintenance and disassembly operations must be carried out with the electricity supply disconnected. PERICOLO The installation of the burner must be carried out by qualified personnel, as indicated in this manual and in compliance with the standards and regulations of the ATTENZIONE laws in force. -
Page 17: Appendix
230 V The RL 28/M - 38/M - 50/M burners have been type-approved for intermittent operation. This means they should compulsorily be stopped at least once every 24 hours to enable the control box to check its own efficiency at start-up. Burner halts are normally provided for automati- cally by the boiler load control system. -
Page 18: Procedure To Refer Burner Operating Condition At An Altitude And/Or At A Combustion Supporter Air Temperature Different To The Standard Values
APPENDIX - PROCEDURE TO REFER BURNER OPERATING CONDITION AT AN ALTITUDE AND/OR AT A COM- BUSTION SUPPORTER AIR TEMPERATURE DIFFERENT TO THE STANDARD VALUES (328 FT ABOVE SEA LEVEL, 68 °F). AIR TEMPERATURE Altitude Altitude bar. press. bar. press. °C ft a.s.l. -
Page 19: Spare Parts List
APPENDIX - SPARE PARTS LIST... - Page 20 CODE DESCRIPTION BURNER SERIAL NUMBER • 3012985 • • • 3012986 • • • 3003760 • • • • • • • 3003758 DRIVE COUPLING • • • • • • • 3003830 SOUND DAMPING • • • • • • • 3012090 AIR INTAKE •...
- Page 21 CODE DESCRIPTION BURNER SERIAL NUMBER • • • • • • • 3012995 H.T.LEAD • • • • • • • 3003081 SEAL • • • • • • • 3003796 ELECTRODE • • • • • • • 3003495 U BOLT •...
- Page 22 CODE DESCRIPTION BURNER SERIAL NUMBER • • • • • • • 3013035 CONNECTOR • • • • • • • 3013036 CONNECTOR • • • • • • • 3009087 CONNECTOR • • • • • • • 3006720 CONNECTOR •...
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Page 23: Burner Start Up Report
BURNER START UP REPORT Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: OIL OPERATION : Low Fire Oil supply pressure: High Fire : Low Fire Oil suction pressure: High Fire Control Power Supply: CO: Low Fire High Fire : Low Fire Burner Firing Rate:... - Page 24 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...