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MODEL
BF3 & BF5
INSTALLATION
MANUAL
RESIDENTIAL OIL BURNERS
THIS BURNER IS NOT EQUIPPED FOR 2 LINE OPERATION.
FOR 2 LINE OPERATION ORDER:
PART # C7001025 FOR BF3, C7001026 FOR BF5
IMPORTANT: If this burner is being installed in a packaged unit (i.e. Burner comes with a boiler
or furnace), follow the installation and set-up instructions supplied with the heating unit, as settings
may differ from those shown in this manual.
C6505027 REV 6.1 0202
Page 1 of 20

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Summary of Contents for Riello Burners BF3

  • Page 1 THIS BURNER IS NOT EQUIPPED FOR 2 LINE OPERATION. FOR 2 LINE OPERATION ORDER: PART # C7001025 FOR BF3, C7001026 FOR BF5 IMPORTANT: If this burner is being installed in a packaged unit (i.e. Burner comes with a boiler or furnace), follow the installation and set-up instructions supplied with the heating unit, as settings may differ from those shown in this manual.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS TECHNICAL DATA - Model BF3....................3 TECHNICAL DATA – Model BF5 ....................4 OIL BURNER COMPONENT IDENTIFICATION ..............5 Burner Components......................5 Serial Number Identification....................5 INITIAL SET-UP ..........................5 MOUNTING BURNER TO BOILER OR FURNACE..............6 Method 1 - Universal Mounting Flange ................6 Method 2 - Pedestal Mount....................7...
  • Page 3: Technical Data - Model Bf3

    RIELLO 40 BF3 TECHNICAL DATA DIMENSIONS MODEL BF3 Inches 9 13/16 11 1/4 7 1/2 3 1/2 4 1/4 8 1/4 *E1: 6” (152 mm), 8 7/8” (225 mm) & 10” (254 mm) tubes are also available. SPECIFICATIONS FUEL: No. 2 Fuel Oil FIRING RATE: 0.50 to 0.95 US GPH...
  • Page 4: Technical Data - Model Bf5

    RIELLO 40 BF5 TECHNICAL DATA DIMENSIONS MODEL BF5 Inches 9 13/16 11 1/2 7 1/2 3 1/2 4 1/4 8 3/4 *E1: 6” (152 mm) & 10” (254 mm) tubes are also available. SPECIFICATIONS FUEL: No. 2 Fuel Oil FIRING RATE: 0.75 to 1.65 US GPH EFFECTIVE OUTPUT: 105,000 to 231,000 BTU/h...
  • Page 5: Oil Burner Component Identification

    RIELLO 40 SERIES OIL BURNER COMPONENT IDENTIFICATION BF3 & BF5 BURNER COMPONENTS 1) Primary Control Sub-base 10) Universal Mounting Flange 2) Primary Control 11) Turbulator Adjustment Screw 3) Lockout Indicator Lamp and Reset Button 12) Air Tube Cover 4) Pump Pressure Regulator Adjustment Screw...
  • Page 6: Mounting Burner To Boiler Or Furnace

    MOUNTING THE BURNER TO THE BOILER OR FURNACE There are two possible methods to mount the burner, depending on the individual application. These are: 1) Universal flange bolted to Boiler/Furnace unit. 2) Universal flange mounted to optional Pedestal mount, where flange mounting direct to appliance is not possible.
  • Page 7: Method 2 - Pedestal Mount

    D) The burner can now be attached to the heating unit by inserting the AIR TUBE through the BURNER ACCESS HOLE (6) and into the appliance, making sure the MOUNTING FLANGE lines up with the appliance studs (6). Secure the burner in place using nuts (4). A visual verification of the air tube insertion into the combustion chamber of the heating unit is suggested.
  • Page 8: Application Field Wiring Standard (No Burner Fan Off Delay)

    APPLICATION FIELD WIRING – STANDARD DIRECT LINE VOLTAGE LOW VOLTAGE FIELD WIRING LINE SAFETY SWITCH LINE SAFETY SWITCH OPERATING OPERATING LIMIT SWITCH LIMIT SWITCH SAFETY SAFETY LIMIT SWITCH LIMIT SWITCH TRANSFORMER & SWITCHING RELAY • • • RIELLO FACTORY COIL WIRED SUB BASE BLACK...
  • Page 9: Nozzle Placement

    NOZZLE PLACEMENT A) Determine the proper firing rate for the boiler furnace unit, considering specific application and use the Burner Set-Up charts on page 14 to select the proper nozzle and pump pressure to obtain the required input from the burner. B) Remove the NOZZLE ADAPTER (2) from the DRAWER ASSEMBLY by loosening the SCREW (1).
  • Page 10: Electrode Setting

    Burner Setup charts, on page 14. B) Retighten the RETAINING NUT (1). NOTE: MODEL BF3: Zero and three are scale indicators only. From left to right, the first line is 3 and the last line 0. MODEL BF5: Same as above except scale indicators are 0 and 4.
  • Page 11: Single Line (Gravity Feed)

    SINGLE LINE (GRAVITY FEED) Install the required fitting NPTF to NPT adapter into the pump's SUCTION LINE CONNECTION FITTING on left side of burner on top. Attach the required tubing to this fitting. Be sure that the plug in the RETURN LINE CONNECTION FITTING is tightened securely. SINGLE LINE SYSTEM -PIPE LENGTHS 3/8”...
  • Page 12: Pump Purge

    fuel pump. WARNING: The height “P” in Pipe Length charts on page 11 should not exceed 13 feet (4m). WARNING: The vacuum should not exceed 11.44 inches of mercury. WARNING: An external, appropriately listed and certified oil filter must be placed in the fuel line between the fuel tank and the burner pump.
  • Page 13: Setting The Air Damper Adjustment

    SETTING THE AIR DAMPER ADJUSTMENT A) The initial air damper setting is made by turning screw (2) until the top edge of the air damper (3) is aligned with the number according to the burner setup chart. B) Further adjustments can be made with the burner cover in place by removing plastic plug on the top right hand side of the cover.
  • Page 14: Burner Adjustment Tables

    MODEL BF3 & BF 5 NOZZLES: Any nozzle manufacturer, size, and angle spray pattern. The appliance in which the burner is installed into determines BF burner nozzle selection.
  • Page 15: Bf Burner Trouble Shooting Chart

    RIELLO 40 SERIES BF OIL BURNER TROUBLE SHOOTING CHART Thermostat is calling for heat Burner is not running Reset Control Box Burner Starts Burner Does Not Start Test for 120Vac Supply at sub-base between L(P) & N or terminals #3 & 5 120 Vac No Voltage •...
  • Page 16: Bf Burner Intake Air Layout

    A TYPICAL LAYOUT FOR BF BURNER INTAKE AIR A) Use an approved air intake kit. B) Always keep intake air run to the minimum. C) Maximum intake air run of 4 (inch) diameter, flexible or rigid type of venting = 100’ D) Reduce intake air length by 10’...
  • Page 17: Spare Parts Exploded View

    SPARE PARTS Page 17 of 17...
  • Page 18: Spare Parts List

    RIELLO BF3 & BF5 SPARE PARTS LIST • Indicates applicable model for each part. CODE BF3 BF5 DESCRIPTION CODE BF3 BF5 DESCRIPTION 3008019 • Burner Cover 3002280 • • Photo Cell 3008023 • Burner Cover C5283000 • • Electrical Fitting 3007077 •...
  • Page 19: Precautions

    PRECAUTIONS AIR FOR COMBUSTION Do not install burner in room with insufficient air for combustion. Be sure there is an adequate air supply for combustion if the boiler/furnace room is enclosed. It may be necessary to create a window to permit sufficient air to enter the boiler/furnace room.
  • Page 20 RIELLO BURNERS NORTH AMERICA 35 Pond Park Road 1-800-4-RIELLO 2165 Meadowpine Blvd Hingham, MA 02043 Mississauga, ON L5N 6H6 1-800-474-3556 Phone 781-749-8292 Phone 905-542-0303 www.riello-burners.com Toll Free 800-992-7637 Toll Free 800-387-3898 Fax 781-740-2069 Fax 905-542-1525 Page 20 of 20...

This manual is also suitable for:

Bf5

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