CORPORATION 24 Vdc Oil Burner Manual 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 Homeowner or Equipment Owner: To the Professional, Qualified Installer or Service y Please read and carefully follow all instructions Agency: provided in this manual regarding your responsibilities in caring for your heating equipment.
Contents Hazard Definitions Burner Application Scope and Intended Use ........... 2 Indicates a hazardous situation, which, if not avoided, will result in death or serious injury. Prepare Before Installing ............................................ 3 Notice Special Requirements.............................................3 Specifications .....................................................................3 General Information .................................................... 4 A.
Section: Prepare Before Installing Prepare Before Installing Owner’s Responsibility Incorrect installation, adjustment, and use of this burner could result in severe personal injury, death, or substantial property damage from fire, carbon monoxide poisoning, soot or explosion. Specifications See ‘Adequate Voltage Required’ warning on page 4 Rated Voltage: 27 Vdc (Nominal Charging System Voltage) Reference Voltage: 24 Vdc (Battery Discharge Voltage) Capacity Firing Rate (24V)*: 1.75 - 5.
Section: General Information & Nozzle Assembly Maintenance Adequate Voltage Required A low or erratic power supply could result in impaired burner operation, severe delayed ignition or an explosion inside the heat exchanger resulting in a burn and/or asphyxiation hazard. y The Model SDC requires a continuous supply of 21.8 to 28 volts DC measured at the burner during operation with a minimum supply & circuit capacity of 15A. See page 3 for maximum capacity and voltage specifications.
Section: Nozzle Assembly Maintenance Correct Nozzle and Flow Rate Required Incorrect nozzles and flow rates could result in impaired combustion, underfiring, over-firing, sooting, puff-back of hot gases, smoke and potential fire or asphyxiation hazards. Use only nozzles having the brand, flow rate (gph), spray angle and pattern specified by the appliance manufacturer. Follow the appliance manufacturer’s specifications for the required pump outlet pressure for the nozzle, since this affects the flow rate.
Section: Nozzle Assembly Maintenance C. Igniter Maintenance The igniter assembly does not require any adjustments beyond making sure the springs and the burner electrode rods make solid contact when the igniter is in the closed position. The sealing surfaces of the gaskets should be checked and replaced at the first signs of any damage or deterioration. Clean any dirt or residue from the porcelain bushings, springs, and baseplate.
Section: Fuel Supply Fuel Supply A. Connect Fuel Lines B. Fuel Supply Level with or Above Burner For oil supply system specifications for tanks not mounted on machines, carefully follow the pump manufacturer’s literature and the latest edition of the National Fire Protection Association (NFPA) 31 standard. Pumps with automatic bypass do not require a bypass plug. Verify by referring to the pump manufacturer’s instructions.
Section: Burner Wiring Burner Wiring Electrical Shock Hazard Electrical shock can cause severe personal injury or death. Explosion, Fire, Scald, & Burn Hazard All heating equipment must have HIGH LIMIT controls to protect against excessive temperature and/or pressure. The control must interrupt electrical power and shutdown the burner, if operating or safety controls fail and cause a runaway condition. y Remove all jewelry, such as rings and watches before performing service.
Section: Drive Component Maintenance Drive Component Maintenance A. Motor, Blower Wheel, & Coupling Replacement The motor will require replacement if the proper voltage is measured at the motor input, and the motor will either not run, or the current draw with a free running pump exceeds 10% of the rated current. To replace the burner motor, coupling and/or blower wheel perform the following steps. 1. Before servicing, turn off and/or disconnect all power to the burner. 2.
Section: Start Up Burner & Set Combustion C. Solenoid Valve Testing To check solenoid operation, perform the following. 1. Check for oil flow and operating pressure by removing the copper tubing from the nozzle line and installing a pressure gauge in the line. With the motor running and the coil energized, check the gauge. The pressure should read 100 psig unless otherwise stated. 2.
Section: Maintain & Service Burner 1. Allow the burner to run for approximately 5 to 10 minutes. Daily Step 2: At the trace of smoke level, measure the CO2 (or O2). This is the vital reference point for further adjustments. Check the area around your burner/equipment to make sure: ○ Nothing is blocking the burner inlet air openings. ○ Air ventilation openings are clean and unobstructed and the exhaust is not crusted. ○ No combustible materials are stored near the equipment.
Section: Troubleshooting □ Clean the blower wheel, air inlet, air guide, retention head and static plate of any dirt, asphalt or other material. □ Check motor current. The amp draw should not exceed the nameplate rating. Check all wiring for loose connections or damaged insulation. Nozzle flow rate U. S. gallons per hour of No. 2 fuel oil when pump pressure (psig) is: Nozzle size (rated at 100 psig) 100 psi 140 psi applicable.
Section: Troubleshooting Table 3. Troubleshooting Chart Symptom Possible Cause If the burner is not igniting, the burner motor, drive coupling, and oil pump are operating and oil is flowing to the nozzle through the solenoid valve, check the following possibilities. Oil Not Igniting 1. Check the air shutter adjustment. If the air shutter is opened too far, the flow of air may prevent the arc from reaching the oil spray. This may appear as a white vapor exhaust from the heater.
Section: Replacement Parts Replacement Parts 18 21 19 20 17 15 14 16 13 11 12 1 10 9 2 3 8 22 4 5 6 7 Illustration # Description 1 DC Motor 2 Blower Wheel 3 Coupling 4 Burner Housing 5 Air Band, 10 slot 6 Part# Illustration # Part# 22190U 13 Escutcheon Plate 3493 2383U 14 Electrode Kit over 3-5/8” 578731 2154101 15 Cad Cell Detector 7006U 16 4X4 Wiring Box 5770 3819A 17 Control Kit 7559X-XXXXU* Air Shutter, 10 slot 3215 18 Igniter Assembly With Base Plate
24 Vdc SDC Burner Manual 15
Limited Warranty Information The R. W. BECKETT CORPORATION (“Beckett”) warrants to persons who purchase its “Products” from Beckett for resale, or for incorporation into a product for resale (“Customers”), that its equipment is free from defects in material and workmanship. To qualify for warranty benefits, products must be installed by a qualified service agency in full compliance with all codes and authorities having jurisdiction, and used within the tolerances of Beckett’s defined product specifications.
