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GAS-FIRED OR OIL-FIRED FURNACE
DOWN FLOW & DIRECT VENT (SEALED COMBUSTION)
MODELS: OMC-70 AND GMC-85
INSTALLATION AND SERVICE MANUAL
For installation in:
1. Manufactured Homes
2. Modular Homes/Buildings
3. Site Construction—Residential (Single Story Dwellings)
:
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or
any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do
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All installations and services must be performed by qualified service personnel. I. SAFETY SECTION This page and the following two pages contain various warnings and cautions found throughout this furnace Service and Installation Manual. Please read and comply with the statements on the cover and the statements below. : All local codes and ordinances must be followed with regard to the oil tank and oil lines. All lines must have shut off valves, use a proper pipe joint compound (speci
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All installations and services must be performed by qualified service personnel. : If you do not follow these instructions exactly, a fire or explosion may result causing personal injury, loss of life or property damage. : NEVER use gasoline or a mixture of oil and gasoline to start the burner or furnace. : HAZARD OF ASPHYXIATION: Negative pressure inside the closet with closet door closed and the furnace blower operating shall be no more negative than minus 0.05 inch water colu
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All installations and services must be performed by qualified service personnel. : If you suspect there is a problem with the furnace, the venting system or any other related problem, immediately contact a qualified service agency. If a service agency is not available contact your fuel supplier. : Personal injury, or property damage, could result from major repair or service of this furnace by anyone other than a qualified contractor. Only the routine maintenance described in the use
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All installations and services must be performed by qualified service personnel. This page and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Oil Furnace. Please read and comply with the contents of these labels. 4
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All installations and services must be performed by qualified service personnel. POWER SWITCH 5
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All installations and services must be performed by qualified service personnel. TABLE OF CONTENTS SECTION BEGINNING PAGE I. SAFETY SECTION 1 II. GENERAL INSTRUCTIONS AND CLEARANCES 7 III. FURNACE SPECIFICATIONS 9 IV. INSTALLATION 11 A. ROOF JACK 11 B. STANDARD CHIMNEY 11 C. FURNACE LOCATION 11 D. BASE INSTALLATION 13 1. Combustible Floor Base Model: 70-BASE 13 2. Cottage Base Model: OMCCOT-BASE 14 E. ALCO
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All installations and services must be performed by qualified service personnel. II. GENERAL INSTRUCTIONS AND CLEARANCES NOTE: READ THIS SECTION BEFORE STARTING INSTALLATION 1. The selection of a furnace heating capacity for a proposed installation should be based on a heat loss calculation made according to the manuals provided by the Air Conditioning Contractors of America (ACCA) or the American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc. (ASHRAE). 2.
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All installations and services must be performed by qualified service personnel. 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, glass, and plaster.” This heating appliance must be installed with clearances to combustible material surfaces of not less than the minimum distances given below. Also, allow ample clearances for servicing the
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All installations and services must be performed by qualified service personnel. III. FURNACE SPECIFICATIONS MODEL OMC-70 GMC-85 HEAT INPUT RATE (BTUH) 85,000 85,000 HEATING CAPACITY (BTUH) 71,000 69,700 BURNER NOZZLE (GPH X ANGLE, HOLLOW CONE) 0.65X80A ------- BURNER ORIFICE-NAT. GAS --------- #17 DMS BURNER ORIFICE-PROP. GAS --------- #36 DMS OIL PUMP PRESSURE (PSIG) 100
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All installations and services must be performed by qualified service personnel. BURNER DATA OMC-70 GMC-85 MANUFACTURER: R.W. BECKETT CORP. WAYNE COMBUSTION SYSTEMS MODEL: AFG P265 FEP AIR TUBE LENGTH (IN.): 3-5/8 3-5/8 HEAD DESIGN: F-3
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All installations and services must be performed by qualified service personnel. IV. INSTALLATION A. ROOF JACK The roof jack assembly and accessories must be listed by a nationally recognized testing agency for the appropriate fuel. The roof jack assembly must be installed according to the vent manufacturer’s instructions prior to the furnace installation. (Refer to Figure 2 for flue location on furnace.) Adapters for pitched roofs as well as extended barrel length roof jacks are
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All installations and services must be performed by qualified service personnel. Combustible Floor Base Model: 70-BASE Figure 1A. Cottage Base Model: 01COT-BASE 12
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All installations and services must be performed by qualified service personnel. Figure 1B. D. BASE INSTALLATION 1. Combustible Floor Base Model: 70-BASE Referring to Figure 1A, for applications using a combustion air channel and a supply air duct, use the base as a template to mark the floor opening locations. See Figure 2 for cutout locations. Cut a square opening in the floor for the supply air duct. Cut the opening 1-inch larger than the square template opening. Cut the combu
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All installations and services must be performed by qualified service personnel. If the combustion air passageway cannot terminate outside of the skirting or enclosure, a permanent opening with a minimum of 50 square inches of unobstructed infiltration (free area) for ventilation air must be provided for adequate combustion. This permanent opening must be located no less than 12 inches from the bottom of the enclosure or skirting. Figure 3. Slit the corners of feeder duct down to th
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All installations and services must be performed by qualified service personnel. IMPORTANT: Adequate combustion air must be provided under all circumstances. If the underside of the home is skirted or enclosed (e.g. by an enclosed crawlspace), the combustion air intake should exit through the side of cottage base and terminate outside of the structure. All joints and seams of supply ducts and combustion air ducts must be closed with a sealing method suitable to the application conditions a
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All installations and services must be performed by qualified service personnel. E. ALCOVE INSTALLATION In this application, a minimum of 18 inches of clearance must be provided to the front of the unit. Refer to Figure 4. Alcove installations must use the No. 70 mobile home base. Refer to section G. COMBUSTION AIR for additional combustion air requirements. Figure 4. F. CLOSET INSTALLATION : HAZARD OF ASPHYXIATION: A suction effect will occur when the fu
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All installations and services must be performed by qualified service personnel. 2. The return air opening may be located in the top, the center or (ideally) the bottom of the closet door, or side wall. : Do not obstruct any return air openings, including the return grille on the furnace. To do so may cause the furnace to activate the high temperature limit and shutdown, or it may cause asphyxiation. 3. The cross-sectional area of the return air duct leading into the closet (when loca
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All installations and services must be performed by qualified service personnel. The preferred location of the outside combustion air intake termination (e.g. an optional stainless steel intake hood, part no.370183) is through the side of the structure, skirting or enclosure. An alternate termination location is under the structure in the skirted or crawlspace area providing a minimum of 50 square inches of free area exists around the perimeter for outside combustion air to be drawn through
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All installations and services must be performed by qualified service personnel. Figure 6. 19
