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Related Manuals for Lennox O24 series
Summary of Contents for Lennox O24 series
- Page 1 Service Literature Page 1...
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- Page 5 *NOTE: The initial air dial setting is provided to get unit started. The air dial setting MUST be adjusted after start up to achieve proper combustion. IMPORTANT-Burner should not be installed so it is ex posed to direct sunlight or electric bulb light. If the cell is exposed to light on start up, the burner will not oper ate.
- Page 6 FLANGE AIR TUBE GASKET SCREWS HOLE PLUG FLANGE AIR TUBE RETAINING ASSY FOR CLIP FB HEADS MAIN HOUSING ASSY ESCUTCHEON PLATE CONNECTOR TUBE FB-HEAD HEAD INSULATOR NOZZLE ADAPTER NOZZLE LINE ELECTRODE HEAD ASSY. ELECTRODE ASSY REAR ACCESS DOOR GASKET VIEW PORT REAR ACCESS DOOR ASSY SPLINED...
- Page 7 NOTE-The leads for the solid state transformer are re placeable and are available in a kit form. NOTE-When testing the solid state transformer, do not use a transformer tester designed for iron magnet trans formers. Damage to the tester may result. Page 7...
- Page 8 NOTE-As an extra precaution, cycle heating on and off ten times after bleeding air from the pump. This will elimi nate air in the gun assembly. Page 8...
- Page 9 NOTE-If using an outside tank in cold climates a number one fuel or an oil treatment is strongly recommended. Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
- Page 10 NOTE-Oil burning equipment may be vented into an ap proved masonry chimney or type L vent. (Type L vent is sim ilar in construction to type B gas vent except it carries a higher temperature rating and is constructed with an inner liner of stainless steel rather than aluminum).
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Page 11: Combustion Air Requirements
Combustion Air Requirements Unconfined Space NOTE-If vent pipe needs to exit from side of cabinet, use the cross hairs (located on either side of the unit) to cut a 6" (152 mm) round hole. Attach finishing plate (provided) with four sheet metal screws to cover rough edges. - Page 12 Air from an Adjacent Space NOTE-The inlet and outlet air openings shall each have a free area of at least one square inch (6.4 square centimeters) per 4,000 Btu (1172 W) per hour of the total input rating of all equipment in the enclosure. NOTE-Each opening shall have a free area of at least 1 square inch (6.4 square centimeters) per 1,000 Btu (293 W) per hour of the total input rating of all equipment in the enclosure, but not less than 100...
- Page 13 NOTE-Each air duct opening shall have a free area of at least one square inch (6.4 square centimeters) per 2,000 Btu (586 W) per hour of the total input rating of all equipment in the enclosure. If the equip ment room is located against an outside wall and the air openings communicate directly with the outdoors, each opening shall have a free area of at least one square inch (6.4 square centimeters) per 4,000 Btu (1172 W) per hour of the total input rating of all other equip...
- Page 14 NOTE - Water, rust or other contaminants in oil supply sys tem will cause malfunction and failure of the internal parts of the fuel unit. NOTE - A two line fuel system will normally bleed itself by forcing air back to the tank through the return line. This type of bleeding procedure is not necessary.
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- Page 16 starting NOTE-All w.c. measurements are below atmospheric pressure (negative readings). Page 16...
- Page 17 NOTE-Before disassembling any part of the burner, turn off power and oil supply to the burner. NOTE-When testing the solid state transformer, do not use a transformer tester designed for iron magnet trans formers. Damage to the tester may result Page 17...
- Page 18 NOTE-When reinstalling gun assembly, check and set position and Z" dimension as shown in figure 18. NOTE-When reconnecting gun assembly oil line, make sure flat side of nut goes first. NOTE-When reinstalling blower wheel use the AFII multi purpose gauge (Beckett part # T-500) to space the dis tance from the back of the blower wheel to the face of the motor (1/16"...
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Page 19: Heat Exchanger
NOTE-Use papers or protective covering in front of fur nace while cleaning furnace. Heat Exchanger NOTE- Do not attempt to clean the combustion chamber. It can be easily damaged. Page 19... - Page 20 Page 20...
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- Page 24 Problem: Solution: Problem: Solution: Problem: Problem: Solution: Solution: Problem: Solution: Problem: Solution: Problem: Solution: Problem: Problem: Problem: Solution: Problem: Solution: Problem: Solution: Problem: Solution: Problem: Solution: Page 24...
- Page 25 NO OIL FLOW AT NOZZLE LEAK NOISY OPERATION PULSATING PRESSURE IMPROPER NOZZLE CUTOFF IMPROPER FLAME DELAYED IGNITION Page 25...
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