Assessments - 1, GPA: 5
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when (Ht) > (Vt) Simple venting configurations FIGURE 14 FIGURE 12 H 1 H 2 V 3 V 1 90° 90° 90° V 2 90° H 4 V 1 V 2 90° 45° 90° H 1 90° H 3 H 2 TOP EXIT VERTICAL TERMINATION MAXIMUM VERTICAL RISE IN FEET VT HORIZONTAL VENT RUN PLUS OFFSET IN FEET H T The shaded area within the lines represents acceptable values for HT and VT . INSTALLATION WALL AND CEILING PROTECTION FOR SAFE AND PROPER OPERATION OF THE FIREPLACE, FOLLOW THE VENTING INSTRUCTIONS EXACTLY. NOTE: Only a clearance to combustibles of 1" all around the vent pipe is required. HORIZONTAL INSTALLATION This application occurs when venting through an exterior wall. Having determined the air terminal location, cut and frame a hole in an exterior wall with a minimum opening as required. See Note above. (As an alternative to framing, a vent pipe shield may be installed, ensuring a 1" clearance to combustibles. See FIGURE 15 Figure 16.) 1. Mark and cut the vent pipe shield to the determined depth of the combustible wall. Apply a bead of caulking (not supplied) to the framework or to the shield plate (in the case of a finished wall) and secure the shield through the opening to the interior wall. The final location of the vent pipe shield should maintain the required clearance to the 7" vent pipe / liner. (See note above). Do not fill this cavity with any type of material. Apply a bead of caulking all around and place a firestop spacer over the vent shield to restrict cold air from being drawn into the room or around the fireplace. Ensure that both spacer and shield maintain the required clearance to combustibles. Once the vent pipe / liner is installed in its final position, apply sealant between the pipe / liner and the firestop spacer. FIGURE 16 OR VERTICAL INSTALLATION This application occurs when venting FIGURE 17 through a roof. Installation kits for various roof pitches are available from your Napoleon dealer. See Accessories to order the specific kit required. 1. Determine the air terminal location, cut and frame 10 inch openings in the ceiling and the roof to provide the minimum 1 inch clearance between the fireplace pipe / liner and any combustible material. Try to center the exhaust pipe location midway between two joist to prevent having to cut them. Use a plumb bob to line up the center of the openings. DO NOT FILL THIS SPACE WITH ANY TYPE OF MATERIAL. A vent pipe shield will prevent any materials such as insulation, from filling up the 1" air space around the pipe. Nail headers between the joist for extra support. 2. Apply a bead of caulking (not sup- FIGURE 18 plied) to the framework or to the Wolf Steel vent pipe shield plate or equivalent (in the case of a finished ceiling), and secure over the opening in the ceiling. FIGURE 18. A firestop must be placed on the bottom of each framed opening in a roof or ceiling that the venting system passes through. Apply a bead of caulking all around and place a firestop spacer over the vent shield to restrict cold air from being drawn into the room or around the fireplace. Ensure that both spacer and shield maintain the required clearance to combustibles. Once the vent pipe / liner is installed in its final position, apply sealant between the pipe / liner and the firestop spacer. W415-0429 / C / 11.04.05 USING FLEXIBLE VENT COMPONENTS USING FLEXIBLE VENT COMPONENTS Use only approved aluminum flexible liner kits marked: "Wolf Steel Approved Venting" as identified by the stamp only on the 7” outer liner. FIGURE 19 HORIZONTAL AIR TERMINAL INSTALLATION 1. Cut or frame a hole in an exterior wall with a minimum round or square opening listed on page 5. Secure the firestop spacer over the opening to the interior wall. 2. Stretch the 4" diameter aluminum flexible liner to the required length taking into account the additional length needed for the finished wall surface. Slip the liner a minimum of 2" over the inner sleeve of the air terminal and secure with 3 #8 screws. Apply a heavy bead of the high temperature sealant. 3. Using the 7" diameter flexible aluminum liner, slide over the outer combustion air sleeve of the air terminal and secure with 3 #8 screws. Seal as before. 4. Insert the liners through the firestop maintaining the required clearance to combustibles. Holding the air terminal (lettering in an upright, readable position), secure to the exterior wall and make weather tight by sealing with caulking (not supplied). 5. Apply a heavy bead of the high temperature sealant, supplied with the unit, to the inside of the 4" liner approximately 1" from the end. Slip the liner a minimum of 2" over the fireplace vent collar and secure with 3 #8 screws. 6. Using the 7" diameter flexible aluminium liner, apply sealant, slide a minimum of 2" over the fireplace combustion air collar and secure with 3 #8 screws. EXTENDED HORIZONTAL AIR TERMINAL INSTALLATION Use the GD220 vent kit and couplers for this application. If more than one length of liner needs to be used to reach the fireplace, couple them together as illus...
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