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OIL FIRED FURNACE
INSTALLATION AND OPERATION MANUAL
WITH USERS INFORMATION SECTION
MODEL:
OHCFA072DV4R
WARNING: IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR
LOSS OF LIFE.
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.
WARNING: IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE, OR
MAINTENANCE CAN CAUSE
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CONTENTS SECTION PAGE I. SAFETY SECTION 1 A. CODES AND CLEARANCES 3 II. GENERAL INSTRUCTIONS 5 A. VENTING 5 B. INSTALLATION OF VENTOR 7 C. CONDENSATE DRAIN LINE CONNECTION 10 D. DUCT WORK/AIR CONDITIONING 11 E. AIR FILTER MOUNTED EXTERNAL TO FURNACE 12 F. LIMIT POSITION AND LOCATION 14 G. BURNER INSTALLATION 14 H. BURNER SPECIFICATIONS AND APPLICATIONS 14 I. OILTANK AND PIPING 15 J.
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Model Number Digit 1 2 3 4 5 6 7 8 9 10 11 12 Oil Furnace Model Nomenclature Example Model Numbers O H C F A 0 7 2 D V 4 R O = Oil O H = Highboy D = Downflow H C = Heat Exchanger Identifier C F = Front F R = Rear A = Single Stage A Heating Capacity MBTUH (000's) with factory ins
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I. SAFETY SECTION This page and the following contains various warnings and cautions found throughout the Oil Furnace Manual. Please read and comply with the statements below. WARNING AND CAUTIONS: WARNING: This furnace is not to be used as a construction heater. See Page 3 WARNING: The predetermined limit locations on all of the Thermo Pride oil fired furnaces have been tested and approved by Thermo Products, LLC. Any attempt to relocate these safety controls or replace the
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2
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The entire text of these instructions must be read and understood, before installing the appliance. It is the installer's responsibility to do the following: 1. Inform and demonstrate to the user, the correct operation and maintenance of the appliance, as explained in the Homeowner/User Information and Routine Maintenance section of this manual. 2. Inform the user of the hazards of flammable liquids and vapors and to remove such liquids and vapors from the vicinity of the appliance
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a. Combustible material: “...materials made of or surfaced with wood, compressed paper, plant fibers, or other materials that are capable of being ignited and burned. Such materials shall be considered combustible even though flame proofed, fire-retardant treated, or plastered.” b. Non-combustible material: “...material that is not capable of being ignited and burned; such as material consisting entirely of, or a combination of, steel, iron, brick, concrete, slate, asbestos, g
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II. GENERAL INSTRUCTIONS A. VENTING: The OHC furnace venting system must be installed by a qualified service person in accordance with local installation codes and these instructions. In the absence of applicable local codes, conform to the National Fuel Gas Code, NFPA 54/ANSI Z223.1 or latest edition. Installation shall, at least, conform to the following requirements. 1. The exhaust vent/combustion air intake termination specified by Thermo Products, in this m
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Care should be taken to design the shortest possible intake and exhaust systems. Each system should contain as few elbows as possible to insure the satisfactory operation of the furnace. However, system length should never be less than 8 ft of pipe with two (2), 90 deg. elbows. For best overall operation of the combustion system, we recommend the actual equivalent lengths for both the constructed intake and the ex
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fiberglass insulation, or equivalent, to prevent freezing of condensate within the pipe. 13. No clearance is required from the outer surface of the thermoplastic piping to combustible materials for fire hazard prevention. No clearance is required from the outer surface of the ventor assembly either. 14. When attaching the 3” PVC to the burner combustion air inlet collar, first apply a bead of RTV sealant to the burner inlet collar only to ensure an a
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NOTICE: Ventor assembly must be installed so that it is level. If unit is not level, condensate will leak in to ventor box thru inducer and potentially freeze. 1. The OHC must be installed with the side-wall ventor/ blower assembly. Do Not attempt to operate the OHC without the ventor assembly as this could result in damage to the appliance or home. 2. No clearance is required from the outer surface of the ventor assembly to combustible materials for fire hazard
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A. The exit termination of the draft system shall not be less than 7’ above grade when located adjacent to public walkways. B. The venting system shall terminate at least 3’ above any forced air inlet located within 10’ horizontally. C. The venting system shall terminate at least 4’ horizontally from, or 1’ above any door, window or gravity air inlet into the building. D. The vent termination shall be located at least 12” from any opening through which vented gases could enter t
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C. Condensate Drain Line Connections: Fig-4 1. The trap/blocked drain switch assembly comes pre-mounted to the underside of blower pan just below the secondary drain port on the right side of the furnace. Prior to installing the drain, the PVC elbow must be sealed to the plastic trap with silicone and then the spring clamp applied. This 0 positioning of the elbow can be turned to right for exiting the right side casing or rotated 180 and exit t
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4. A condensate pump may be required when: • a suitable drain is not present, • the drain is above the trap outlet level on the furnace, or • the drain line cannot be sloped downward its full length to the drain. If gravity drainage of the condensate from the furnace to a drain is impractical for any of these reasons, a condensate pump (part #350225) is available from Thermo Products. Follow the pump manufacturer’s instructions for proper installation. 5
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blower and blower motor have been selected to work successfully against the following range of duct system resistance. Recommended range of duct system resistance for all models: 0.2 to 0.5 in. W. G. external static pressure. Due to the need to maintain an adequate supply of combustion and ventilation air, the furnace shall not be installed in small room without return air duct system. A duct the full size of the furnace return aid opening shall extend to a location outside the fu
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Now the filter rack can be anchored to the furnace with screws or pop-rivets through the securing flange of the filter rack. Connect the return air plenum to the filter rack and slide the filter into place. Dimensions for adapting the return air plenum to the filter rack are provided (See Fig. 6). Note: Filter rack and condensate drain must be on separate sides of the furnace. Fig-6 A typical filter rack and dimensions for the OHC furnace. : Failure to comply wit
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F. LIMIT POSITION AND LOCATION: WARNING: The predetermined limit locations on all of the Thermo Pride oil fired furnaces have been tested and approved by Thermo Products, LLC. Any attempt to relocate these safety controls or replace these safety controls with a control that is not approved, or is incompatible, may result in personal injury, substantial property damage or death. G. BURNER INSTALLATION: NOTICE: This furnace comes with a Riello BF3 burner preinstalled from th
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THE NOZZLE SIZE GIVES THE NOMINAL FLOWRATE, IN GPH, FOLLOWED BY THE SPRAY ANGLE, IN DEGREE’S, AND THE SPRAY PATTERN, EITHER “H” FOR HOLLOW CONE OR “S” FOR SOLID CONE. FOR EXAMPLE, A NOZZLE RATED AT 0.65 GPH @ 100 PSIG THAT PROVIDES AN 80° SPRAY ANGLE AND A HOLLOW SPRAY PATTERN WOULD BE ABBREVIATED IN THE TABLE AS “0.65 X 80 °H”. For more specific burner information, contact: Thermo Products Tech Service Department OIL NOZZLE CAPACITY CHART NOZZLE SIZE EQUIVALENT HEAT EFFECTI
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If available, the use of ultra-low or low sulfur (less than 0.0015% S and 0.05% S, by weight, respectively), no. 2 fuel oil is highly recommended. Low sulfur fuel oil can help to significantly reduce instances of blockage and corrosion of the oil burner fuel delivery system (especially the nozzle), the furnace heat exchanger, and the flue gas venting system. Air pollutants emitted by the furnace and the typical malodorous smell of oil combustion will be reduced. 1. The use of black
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the pump. Pitching the line upward toward the tank will help prevent the formation of air pockets in the line. J. ELECTRICAL WIRING: : This appliance must be grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70-1999, or the latest edition. Electrical Connections NOTICE: All field wiring must conform to local, state, and national installation codes. A disconnection switch equipped w
