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Фрагмент инструкции
Vertical runs of this vent systems must be supported every 4 feet above the appliance flue outlet by wall brackets attached to the 6 5/8 inch vent pipe and secured with nails or screws to structural framing members. WALLFIRESTOP Figure 39 Figure 38 Installing Firestops Firestops are required for safety whenever the vent system passes throughaninteriorwall,anexteriorwall,oraceiling.Thesefirestops act as a firebreak heat shield and as a means to insure that minimum clearances are maintained to the vent system. Horizontal Firestops (Figure 39) Horizontalrunsintheventsystemwhichpassthrougheitherinterior or exterior walls, require the use of wall firestops on both sides of the wall through which the vent passes. Position the firestops on both sides of the framed hole, previously cut. Refer to Figure 24 on page 20 for sizing information. Secure firestop with nails or screws. The heat shields of the firestops MUST BE placed towards the top of the hole. Continue the vent run through the firestops. 23552-4-0408 Page 27 FRAMING AND FINISHING (continued) Vertical Firestops (Figures 40, 41 and 42) Vertical runs of this system which pass through ceilings require the use of ONE (1) ceiling firestop at the hole in each ceiling through which the vent passes. Position a plumb bob directly over the center of the vertical vent component and mark the ceiling to establish the center point of the vent. Drill a hole or drive a nail through this center point and check the floor above for any obstructions such as wiring or plumbing runs. Reposition the appliance and vent system, if necessary, to accommodate ceiling joists and/or obstructions. Cut a 10 inch x 10 inch hole through the ceiling, using the center point previously marked. Frame the hole with framing lumber the same size as the ceiling joists. (See Figure 40) If the area above the ceiling is NOT an attic, position and secure the ceiling firestop on the ceiling side of the previously cut and framed hole. (See Figure 41) If the area above the ceiling is an attic, position and secure the firestop on top of the previously framed hole. (See Figure 42) NOTE: Remove insulation from the framed area in the attic before installing the firestop and/or vent pipes. Figure 42 See Horizontal Termination Page 29 and Vertical Termination Pages 34-35. Figure 40 Figure 41 Page 28 23552-4-0408 HORIZONTAL TERMINATION NOTE: Termination cap should pass through the wall firestop from the exterior of the building. Adjust the termination cap to its final exterior position on the building. WARNING: Termination cap must be positioned so that arrow is pointing up. Attach the termination cap with the four wood screws provided. Before attachment of the termination, run a bead of silicone sealant rated above 250°F on its outside edge too, so as to make a seal to the exterior wall. NOTE: Wood screws can and should be replaced with appropriate fasteners for use on stucco, brick, concrete or other types of siding. CAUTION: If exterior walls are finished with vinyl siding (or materials that could become discolored or warp), it is necessary to install a vinyl siding standoff. The vinyl siding standoff will be installed between the vent terminationandtheexteriorwall.(SeeFigure43)Thishorizontalvent termination bolts onto the flat portion of the vinyl siding standoff, so an air space will exist between the wall and the termination cap. For installations requiring a vertical rise on the exterior of the building, 14-inch and 36-inch tall Snorkel Terminations, as shown in Figure 44 are available. Follow the same installation procedures as used for standard Horizontal Terminations. If the Snorkel Termination must be installed below grade, (i.e. basement application), proper drainage must be provided to prevent water from entering the Snorkel Termination. Refer to Figure 45. Do not attempt to enclose the Snorkel within the wall or any other type of enclosure. SNORKEL 12 INCHES MINIMUM Figure 44 Figure 43 12INCHESMINIMUMADEQUATEDRAINAGESNORKEL Figure 45 23552-4-0408 Page 29 Page 30 23552-4-0408 X X = 13/3/4” MAX TOTAL WALL THICKNESS (SUBTRACT 3” IF USING THE DV822 VINYL SIDING KIT) .” AIR SPACE CLEARANCE 11” 9” NOTE: SPACING FLANGE INSTALLED TO TOPSIDE INTERIOR WALL EXTENSION THIMBLE DVVK-4RE VENT KIT INSTALLATION INSTRUCTIONS CAUTION: Sharp edges, use protective gloves when installing. Tools Needed for Installation: Sheet metal snips 5/16” nut driver Phillips head screwdriver - #2 High temperature sealant or furnace cement rated for continuous use at 1,000.F minimum Measuring tape Parts Verification See parts list on page 32 to verify components included in this vent kit prior to installation. NOTE: If installing onto wood, lap, or vinyl siding, the vinyl siding kit should be used (sold separately, part number DV-822). The vinyl siding vent kit, DV-822, is available from Empire Comfort Systems, Inc. The depth is 3” (76 mm), which enables the vent cap to be extended away from vinyl siding or projections. The wall dep...
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