valutazioni - 1, GPA: 4
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W502F Snap Bulb L.P. 50,000 4” 1/2” 16-1/2”Wx68”Hx6-1/2”D 134 Lbs. N/A N/A WFF81 10 lbs. W506F Wall Stat L.P. 50,000 4” 1/2” 16-1/2”Wx68”Hx6-1/2”D 134 Lbs. N/A N/A WFF81 10 lbs. One or two fan kits may be used on dual-wall furnace. Page 2 SAFETY RULES A) The wall furnace should be located near the center of the house for best heat distribution. B) Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies. C) Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition. D) Young children should be carefully supervised when they are in the same room as the appliance. E) Do not place clothing or other flammable material on or near the appliance. Precautions should be taken so as not to place furniture, drapes, or other articles directly in front of grille or lower access door that would obstruct air openings as proper air flow is critical to proper operation of unit. F) Any safety screen guard or casing front removed for servicing an appliance must be replaced prior to operating the appliance. G) If the area where the appliance is to be installed contains carpeting, tile or combustible materials, other than wood flooring, the appliance shall be installed on a metal plate, a wood panel or other noncombustible materials. The use of ceramic or quarry tile is acceptable and will provide a surface that is easily cleaned. This material is to extend the full width and depth of the appliance. CLEARANCES As viewed from front of heater, the minimum clearance from cabinet to combustible construction: Side Wall – 1”; Floor – 2”; Ceiling – 11”. In selecting a location for installation it is necessary to provide adequate accessibility clearances for servicing and proper operation. This appliance must not be connected to a chimney flue that serves to vent a solid-fuel burning (wood or coal) appliance, or a multi-vent system. 1” 11” 2” CONTROLS All controls are preassembled at the factory. If integral snap-bulb type thermostat is used, make sure that sensing bulb is located on the bottom of gas valve with clips provided. DO NOT KINK the connecting tubing. Do not bend the capillary bulb. The normal manifold pressure should be 3.5” w.c. on Natural Gas and 10” w.c. on L.P. Gas. The maximum inlet pressure in the gas supply pipe should never exceed 14” w.c. on L.P. Gas or 7.0” w.c. on Natural Gas. The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of . psig. The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than . psig. The minimum inlet pressure in the gas supply pipe should be 5.0” w.c. on Natural Gas or 11” w.c. on L.P. Gas, “for purpose of input adjustment”. The appliance is orificed at the factory for elevations up to 2,000 feet. If installed above 2,000 feet, the BTU input must be reduced 4% per 1,000 feet. See the following orifice chart for the proper orifice for a specific elevation. A blank orifice is shipped in the high altitude kit which will have to be drilled to correct size by installer, gas supplier or qualified serviceman. NATURAL GAS Model 0 to 2,000 -4,000 -6,000 -8,000 – No. 2,000’ 4,000’ 6,000’ 8,000’ 10,000’ W251F 43 44 45 47 48 W255F 43 44 45 47 48 W351F 36 38 40 41 43 W355F 36 38 40 41 43 ORDER KIT #49820 45-1 HIGH ALTITUDE KIT W501F 43 44 45 47 48 W505F 43 44 45 47 48 ORDER KIT #49850 2287-2 HIGH ALTITUDE KIT L.P. GAS Model 0 to 2,000 -4,000 -6,000 -8,000 – No. 2,000’ 4,000’ 6,000’ 8,000’ 10,000’ W252F 1.45mm 54 54 55 55 W256F 1.45mm 54 54 55 55 W352F 52 52 52 53 54 W356F 52 52 52 53 54 ORDER KIT #49820 45-1 HIGH ALTITUDE KIT W502F 1.45mm 54 54 55 55 W506F 1.45mm 54 54 55 55 ORDER KIT #49850 2287-2 HIGH ALTITUDE KIT Page 3 THROUGH SINGLE COMBUSTION AIR OPENING UL Listed Vent Cap UL Listed Gas Vent Opening Alternate Opening Location ALL COMBUSTION AIR FROM OUTDOORS THROUGH VENTILATED ATTIC (Ends 1 ft. [300mm] above floor) UL Listed Vent Cap UL Listed Gas Vent Inlet Grille Inlet Grille Ventilation Louvers (each end of attic) Outlet Air Inlet Air Duct FIGURE C ALL COMBUSTION AIR FROM OUTDOORS COMBUSTION AND VENTILATION AIR When installed, this gas appliance must be provided with fresh air for combustion, ventilation, and dilution of hot flue gases. The minimum required volume of the area where the appliance is installed should be 50 cubic feet per 1,000 btu/hr. If installed in an area of the home that is considered an unconfined space, the natural infiltration of air around windows and doors will be adequate. If the area is considered a confined space (less than 50 cubic feet per 1,000 btu), fresh air can be supplied by providing two permanent openings into adjoining rooms. Each opening shall have a minimum ...
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