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Manafacture: Napoleon Fireplaces File size: 4.94 mb File name: Lennox_Hearth_SSDVST_SSDVPF_Installation_700031M.pdf Language of manual:

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. VERTICAL TERMINATION SYSTEMS (ROOF) VERTICAL TERMINATION SYSTEMS (ROOF) Both these vertical vent systems terminate through the roof. The minimum vent height above the roof and/or adjacent walls is specified in ANSI Z223.1-(latest edition) (In Canada, the current CAN/CSA-B149.1 installation code) by major building codes. Always consult your local codes for specific requirements. A general guide to follow is the Gas Vent Rule (refer to Figure 4B on Page 6). A vent restrictor will need to be installed when vertical termination is used. See Installation of Vent Restrictor on Page 13 for guidelines. Vertical (Straight) Installation Determine the number of straight vent sections required. 4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2" (572 mm), 34-1/2" (876 mm) and 461/ 2" (1181 mm) net section lengths are available (see Table 8 and Page 33 - Item 3). It is recommended that you plan the vent lengths so that a section joint does not occur within the space defined by ceiling joists or roof rafters. Refer to the Vent Section Length Chart. 14 Figure 18 SV4.5CGV-1 Termination SV4.5FA or SV4.5FB Flashing and SV4.5SC Storm Collar 1” (25.4 mm) Minimum Clearance to Combustibles uSV4.5VF Firestop / spacer SV4.5L6 / 12 / 24 / 36 / 48 Vent Sections uWhen using Secure Flex use Firestop / spacer SF4.5VF 40 ft. Max. (12.2 M) See Figure 21 (Page 15) for "support strap" requirements 4.5 0.375 1 0 0 0 0 9 0.75 2 0 0 0 0 10.5 0.875 0 1 0 0 0 15 1.25 1 1 0 0 0 19.5 1.625 2 1 0 0 0 21 1.75 0 2 0 0 0 22.5 1.875 0 0 1 0 0 25.5 2.125 1 2 0 0 0 31.5 2.625 0 3 0 0 0 34.5 2.875 0 0 0 1 0 37.5 3.125 1 1 1 0 0 43.5 3.625 0 2 1 0 0 45 3.75 0 0 2 0 0 46.5 3.875 0 0 0 0 1 49.5 4.125 1 0 2 0 0 51 4.25 1 0 0 0 1 55.5 4.625 0 1 2 0 0 57 4.75 0 0 1 1 0 66 5.25 0 2 2 0 0 67.5 5.625 0 0 3 0 0 69 5.75 0 0 0 2 0 72 6 1 0 3 0 0 73.5 6.125 1 0 0 2 0 79.5 6.625 0 1 0 2 0 81 6.75 0 0 0 1 1 90 7.5 0 2 1 0 1 91.5 7.625 0 0 2 0 1 93 7.75 0 0 0 0 2 96 8 1 0 1 2 0 97.5 8.125 1 0 0 0 2 102 8.5 2 0 0 0 2 103.5 8.625 0 0 0 3 0 108 9 1 0 0 3 0 114 9.5 0 2 0 0 2 117 9.75 1 0 5 0 0 118.5 9.875 1 1 0 3 0 126 10.5 0 0 1 3 0 130.5 10.875 1 0 1 3 0 135 11.25 0 0 6 0 0 138 11.5 0 0 0 4 0 139.5 11.625 0 0 0 0 3 142.5 11.875 1 0 0 4 0 VENT SECTION LENGTH CHART Nominal Section Length (inches) 6 12 24 36 48 Net Section Length (inches) 4 . 10 . 22 . 34 . 46 . Height of Vent Number of Vent Sections *inches feet 1 2 1 2 3 2 1 3 3 1 3 3 2 1 3 2 3 2 4 3 2 4 3 3 2 4 3 2 4 3 4 3 4 4 6 5 4 5 6 4 3 5 T O T A L QT Y 144 12 1 0 0 0 3 4 150 12.5 0 1 0 0 3 4 154.5 12.875 1 1 0 0 3 5 160.5 13.375 0 2 0 0 3 5 172.5 14.375 0 0 0 5 0 5 177 14.75 1 0 0 5 0 6 183 15.25 0 1 0 5 0 6 186 15.5 0 0 0 0 4 4 190.5 15.875 1 0 0 0 4 5 196.5 16.375 0 1 0 0 4 5 205.5 17.125 0 1 1 5 0 7 207 17.25 0 0 0 6 0 6 211.5 17.625 1 0 0 6 0 7 217.5 18.125 0 1 0 6 0 7 229.5 19.125 0 0 1 6 0 7 232.5 19.375 0 0 0 0 5 5 237 19.75 1 0 0 0 5 6 241.5 20.125 0 0 0 7 0 7 246 20.5 1 0 0 7 0 8 252 21 0 1 0 7 0 8 264 22 0 0 1 7 0 8 276 23 0 0 0 8 0 8 279 23.25 0 0 0 0 6 6 280.5 23.375 1 0 0 8 0 9 283.5 23.625 1 0 0 0 6 7 289.5 24.125 0 1 0 0 6 7 301.5 25.125 0 0 1 0 6 7 310.5 25.875 0 0 0 9 0 9 315 26.5 1 0 0 9 0 10 325.5 27.125 0 0 0 0 7 7 330 27.5 1 0 0 0 7 8 336 28 0 1 0 0 7 8 345 28.75 0 0 0 10 0 10 349.5 29.125 1 0 0 10 0 11 372 31 0 0 0 0 8 8 376.5 31.375 1 0 0 0 8 9 379.5 31.625 0 0 0 11 0 11 418.5 34.875 0 0 0 0 9 9 423 35.25 1 0 0 0 9 10 465 38.75 0 0 0 0 10 10 VENT SECTION LENGTH CHART Nominal Section Length (inches) 6 12 24 36 48 Net Section Length (inches) 4 . 10 . 22 . 34 . 46 . Height of Vent Number of Vent Sections *inches feet T O T A L Q T Y * Convert inches into metric equivalent measure, as follows: Millimeters (mm) = Inches x 25.4 Centimeters (cm) = Inches x 2.54 Meters (M) = Inches x .0254 Effective Vent Length Model Effective Length SV4.5L6 4-1/2" SV4.5L12 10-1/2" SV4.5L24 22-1/2" SV4.5L36 34-1/2" SV4.5L48 46-1/2" Table 8 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. Vertical (offset) Installation Vertical (offset) Installation Where required, a telescopic vent section (SV4.5LA) may be used to provide the installer with an option in installing in tight and confined spaces or where the vent run made up of fixed length pieces develops a joint in a undesirable location, or will not build up to the required length. The SV4.5LA Telescopic Vent Section has an effective length of from 1-1/2" (38 mm) to 7-1/2" (191 mm). The SV4.5LA is fitted with a locking inclined channel end (identical to a normalventsectioncomponent)andaplainend with 3 pilot holes. Slip the plain end over the locking channel end of a standard SV4.5 vent component the required distance and secure with three screws. Maintain a minimum 1" (25 mm) clearance to combustible materials for all vertical elements. Clearancesfor allhorizontal elements are 3" (76 mm) on top, 1" (25 mm) on sides and 1" (25 mm) on the bottom. A. Frame ceiling opening -Use a plumb line from the ceiling above the appliance to loc...

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