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Производитель: Lennox International Inc. Размер: 2.39 mb Название файла: Язык инструкции:

The location should also be free of electrical, plumbing or other heating/air conditioning ducting. Be aware that this is a heat producing appliance. Objects placed above the unit are exposed to elevated temperatures. Do not insulate the space between the appliance and the area above it (see Figure 9 on Page 8). The appliance must be mounted on a fully supported base extending the full width and depth of the unit. The appliance may be located on or near conventional construction materials. However, if installed on combustible materials, such as carpeting, vinyl tile or other combustible material other than wood fl ooring, the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance. VENT TERMINATION CLEARANCES Gas Vent Rule - Gas vent caps are not permitted within 8 feet (2.4 mm) of a vertical wall or similar obstruction. Gas vent caps that are located 8' or more from a portion of a building which extends at an angle greater than 45° upward from the horizontal may terminate in accordance with Figure 4, provided that in no case shall any discharge opening on the cap be less than 2' (610 mm) horizontally from the roof surface (National Fuel Gas Code ANSI Z223.1 (NFPA 54) Gas Vent Termination) (CAN/CGA B149.1). MULTIPLE TERMINATIONS These appliances may vent adjacent to and at the same level with any other gas appliances (including direct-vent appliances) provided that there is at least 2 ft. (0.6m) between the proximal edges of the vent caps. These appliances may be vented adjacent to a chimney vent servicing a solid fuel fi replace provided the B-vent cap is at least 2 ft. (0.6m) away from the nearest point of the chimney opening. Figure 3: Typical Installations When the unit is installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the front edge of the unit. Offset Venting Vertical Venting Shown with Outside Air Kit installed (model FOAK-4 orFOAK-4LD) Figure 4: Vertical Vent Termination Clearances Roof Pitch is X/12 Minimum Height from Roof to Lowest Discharge Opening X 12 1“ (25 mm) Minimum Termination Heights For Vents Above Flat Or Sloped Roofs Ref. NFPA 54 / ANSI Z223.1 Roof Pitch Flat to 6/12 Feet 1.0 Meters 0.3 6/12 to 7/12 1.25 0.38 7/12 to 8/12 1.5 0.46 8/12 to 9/12 2.0 0.61 9/12 to 10/12 2.5 0.76 10/12 to 11/12 3.25 0.99 11/12 to 12/12 4.0 1.22 12/12 to 14/12 5.0 1.52 14/12 to 16/12 6.0 1.83 16/12 to 18/12 7.0 2.13 18/12 to 20/12 7.5 2.29 20/12 to 21/12 8.0 2.44 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MERIT PLUS® B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS APPLIANCE AND VENT CLEARANCES MINIMUM CLEARANCES TO COMBUSTIBLES The appliance is approved with zero clearance to combustible materials on all sides (as detailed in Table 5), with the following exception: When the unit is installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the fr...

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