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File Nome : 58dhb-2si.pdf
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Follow these instructions carefully. A CAUTION Do not connect this furnace to a chimney flue serving a separate appliance designed to burn solid fuel, per American National Standard Z21.476-1986 National Fuel Gas Code. G EFFICIENCY RATING CERTIFIED ama The design of the downflow/horizontal (Fig 1 and 2) gas-fired furnace is AGA certified for natural and propane gas installation on combustible flooring (with optional floor base), in alcoves, attics, crawl spaces, basements, closets or utility rooms. The design of this furnace line is not AGA certified for installation in mobile homes, recreation vehicles or outdoors. GENERAL Before starting installation of this furnace, read these instructions carefully and completely. After installation is complete, remove the Energy Guide tag from the furnace. Also read the Procedures for Induced-Combustion Gas-Fired Furnaces (packaged with furnace) for important information concerning combustion, venting, piping and other standard installation practices. Further reference can be made to the current edition of the American National Standard Z223.1 National Fuel Gas Code. The induced-combustion vent system of this furnace is designed to operate at zero or negative pressure at the vent connector outlet. This furnace, therefore, complies with the National Fuel Gas Code (NFPA 54-1984 or ANSI Z223.1-1984), Part 7.14.3.b This furnace is also listed by AGA for use with the type-Bl gas vent, as described in the National Fuel Gas Code, Part 7.3.2. Each furnace is shipped from the factory completely assembled with multispeed direct-drive blower, and wired ready for indoor heating installation. All sizes feature a blower control center with easy-to-read low-voltage terminal strip to ensure proper connections. The output capacity and any representations of efficiency for this product are based on standard Department of Energy test procedures. The installed operation may vary, depending on installation, weather and other factors. A CAUTION Do not block openings in front of furnace or on furnace top along side vent pipe. These openings provide air for combustion and ventilation. Never store anything on or in contact with furnace, such as. aerosol cans, rags, brooms and mops, cleaning tools and aids, powders, bleaches, waxes, plastic items, gasoline, kerosene, lighter fluids, cleaning fluids, thinners, painting compounds or paper products. A CAUTION Do not install furnace in a corrosive or contaminated atmosphere. Adhere to all combustion and circulating air requirements listed in Procedures for Induced-Combustion Gas-Fired Furnaces. Observe all local codes and ordinances. Fig. 1 — Furnace in Downflow Position Fig. 2 — Furnace in Horizontal Position Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book|l |4 PC 101 Catalog No 535-845 Printed in U S A Form 58DHB-2SI Pg 1 3-87 Replaces: 58DHB-1SI Tab 16a18a For replacement items contact distributor Fig. 3 — Dimensional Drawing (in.) Installation Procedures Inspection....................................* Location, Ventilation and Air for Combustion .... * Gas Piping...................................* Venting......................................* Supply-Air Plenum Installation (downflow).......2 Horizontal Attic Installation....................2 Crawl Space Installation.......................4 Filter Arrangement............................4 Electrical Connections.........................5 Sequence of Operation.........................6 Start-Up and Adjustment.......................7 Care and Maintenance.........................8 *Refei toappiopiiate sections of Piocedures foi Induced-Combustion Gas-Fiicd Furnaces booklet packed with this furnace INSTALLATION Supply-Air Plenum (Downflow) INSTALLATION ON CONCRETE SLAB 1. See Fig. 3 for dimensions and location of supply-air opening in furnace bottom. 2 Construct hole in floor. See Fig 4 and Table 4. 3 Place plenum and furnace as shown in Fig. 5 INSTALLATION ON COMBUSTIBLE FLOOR 1. Read installation instructions packaged with accessory combustible floor base (Fig. 6). 2. Cut and frame hole in floor. See installation instructions packaged with combustible floor base. If this requires cutting a floor joist, tie ends of cut joist into adjacent joists for proper floor support. 3. Assemble and install combustible floor base per instructions packaged with base. 4. When completed, install combustible floor base, plenum, and furnace (or coil casing when used). See Fig. 7. Horizontal Attic Installation —The Model58DHB furnace can be installed horizontally on either the left-hand or right-hand side A typical attic installation is shown in Fig. 8. Table 1 — Clearances (in.) SIZES 040 and 055 075-115 DOWNFLOW (In Alcove or Closet) Sides Single-Wall Vent 1 0 Type-B1 Double-Wall Vent 0 0 Back 0 0 Top 1 1 Front* Single-Wall Vent 6 6 Type-B1 Double-Wall V...