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Beckett Beckett AF/AFG Oil Burner Manual
Type ‘M’ Air Tube Combination
(AFG Models only)
Type ‘L1’ Head Type ‘V1’ Head
WARNING
Potential for Fire, Smoke and Asphyxiation Hazards
!
Incorrect installation, adjustment, or misuse of this burner could result in death, severe
personal injury, or substantial property damage.
To the Professional, Qualifi ed Installer or
To the Homeowner or Equipment Owner:
Please read and carefully follow all instructions
Service Agency:
provided in this manual r
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Table of Contents Hazard Defi nitions and Owner’s Information ........................................................................................ 3 Information To Be Used Only By Qualifi ed Service Technicians General Information .........................................................................................................................................3 Table 1 Burner Specifi cation ...................................................................................................
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Hazard Defi nitions General Information Indicates an imminently haz- To the Owner: DANGER !! ardous situation, which, if not Thank you for purchasing a Beckett burner avoided, will result in death, serious injury, or for use with your heating appliance. Please pay at- property damage. tention to the Safety Warnings contained within this instruction manual. Keep this manual for your records and provide it to your qualifi ed service agency for use Indicates a potentially WARNING in profes
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General Specifi cations Table 1 – Burner Specifi cations Professional Service WARNING Capacity ‘F’ Head (AF & AFG) ! Required (Note 1) Firing rate range: ..............0.40 – 3.00 GPH Incorrect installation, adjustment, Input: ....................... 56,000 – 420,000 Btu and use of this burner could result ‘L1’ Head (AFG Only) in severe personal injury, death, or Firing rate range: ..................0.40 - 1.10 GPH substantial property damage from Input: ...........
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Combustion air supply See NFPA 31 Standard for complete details. Notice Special Requirements For recommended installation practice in Canada, Appliance located in confi ned space refer to the latest version of CSA Standard B139 The confi ned space should have two (2) permanent & B140. openings: one near the top of the enclosure and Concealed damage — If you discover damage to one near the bottom of the enclosure. Each open- the burner or controls during unpacking, notify the ing
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Outside air kit applications Prepare the Burner Refer to separate instruction sheet supplied with AF/AFG outside air kit for installation. This optional Low Firing Rate Baffl e kit allows combustion air to be piped directly to the The AFG Low Firing Rate Baffl e (LFRB) reduces burner (Beckett part number 51747). the air fl ow and pressure. The LFRB is sometimes used for fi ring rates under 1.00 gph as listed in Clearances to burner and appliance Table 4. Refer to the appliance manufacturer’s
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Table 5. Nozzle Flow Rate by Size 3. If the nozzle is already installed, remove the noz- Nozzle fl ow rate U. S. gallons per hour of No. 2 fuel oil when zle line assembly to verify that the nozzle size and pump pressure (psig) is: spray pattern are correct for the application (per ap- Nozzle 125 140 psi 150 psi 175 psi 200 psi pliance manufacturer’s information). Verify that the size psi electrode tip settings comply with Figure 2. (rated at 100 psig) 4. If the nozzle is not installed, obtai
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Check/Adjust ‘Z’ Dimension for ‘F’ Heads Adjust the ‘Z’ dimen- WARNING ! sion to the required specifi cation. Incorrect Adjustments could cause combus- tion problems, carbon deposition from fl ame impingement, heavy smoke generation and fi re hazard. Make all adjustments exactly as outlined in Figure 3. ‘F’ Head the following information. Check/Adjust ‘Z’ Dimension - ‘F’ heads Burner Dimensions 1. The important ‘Z’ dimension is the distance from the face of the nozzle to the fl at face of the
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burners shipped with the air tube installed. Even if factory set, verify Check/Adjust ‘Z’ Dimension - L1 & L2 that the “Z” dimension has not been changed. Heads 2. Use the following procedure to adjust the “Z” dimension, if it is not correct: Turn off power to the burner. Disconnect the oil connector tube from the nozzle line. Refer to fi gure. Loosen the splined nut from the nozzle line. Loosen the hex head screw securing the escutcheon plate to the burner housing. Place the end
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less otherwise specifi ed by the heating appli- Servicing nozzle line assembly ance manufacturer. Carefully measure the in- 1. Turn off power to burner before proceeding. sertion depth when using an adjustable fl ange. 2. Disconnect oil connector tube from nozzle line. Verify the insertion depth when using a welded 3. Loosen the two screws securing igniter retain- fl ange. ing clips and rotate both clips to release igniter baseplate. Then tilt igniter back on its hinge. 4. Remove splined nut. Co
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Wire burner Fuel supply below the level of the burner – When the fuel supply is more than eight feet below the level of the burner, a two-pipe fuel supply sys- Burner packaged with appliance tem is required. Depending on the fuel line diam- eter and horizontal and vertical length, the instal- WARNING Electrical Shock Hazard lation may also require a two-stage pump. Consult ! the fuel unit manufacturer’s literature for lift and Electrical shock can cause severe vacuum capability. personal
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Typical Burner Wiring & Burner Sequence of Operation for R7184P Control. Refer to the appliance manufacturer’s wiring diagram for actual specifi cations. Figure 7. – Typical Burner Wiring 7. RECYCLE. If the fl ame is lost while the burner is 1. STANDBY. The burner is idle, waiting for a call for fi ring, the control shuts down the burner, enters a 60 heat. When a call for heat is initiated, there is a 3- second recycle delay, and then repeats the above 10 second delay while the control perfor
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For R7184 primary controls, see Technician’s Start up burner/set combustion Quick Reference Guide, part number 61351 for special pump priming sequence. Explosion and Fire Hazard WARNING Prepare for combustion tests by drilling a ¼” sam- ! pling hole in the fl ue pipe between the appliance Failure to follow these instructions and the barometric draft regulator. could lead to equipment malfunc- 6. Initial air adjustment — Using a smoke tester, ad- just the air shutter (and air band, if neces
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Perform regular maintenance Check all wiring for secure connections or insula- tion breaks. Check the pump pressure and cutoff function. Annual Professional Ser- WARNING Check primary control safety lockout timing. ! vice Required Check ignition system for proper operation. Inspect the vent system and chimney for soot ac- Tampering with or making incorrect cumulation or other restriction. adjustments could lead to equip- Clean the appliance thoroughly according to the ment malfunction an
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Professional Maintenance For best performance specify genuine Beckett replacement parts Parts that are unique to AF burn- ers replace parts numbered 6 and 31841 AIR INLET BELL 2459U BLOWER WHEEL 14. Refer to parts list below for part numbers. SK9462 # Part No. Description # Part No. Description 1 Burner Housing Assembly 14 2999U (AFG) Blower Wheel (AFG) 2459U (AF) Blower Wheel (AF) 2 Specify Air Band - Specify # of slots 15 2454 Coupling 4198 Screw, 10-24 x 1/2” 16 7455U R7184A - Interrupted
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Limited WARRANTY For Residential, Commercial and Specialty Burners The R. W. BECKETT CORPORATION (“Beckett”) warrants to persons who purchase its Beckett burners from Beckett for resale or for incorporation into a product for resale (“Customers”) that its equipment is free from defects in material and workmanship under normal use and service for 60 months from the date of manufacture for Residential Burners and 18 months from the date of manufacture for Commercial and Specialty Burners. Res
