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Hersteller: Vermont Casting Dateigröße: 2.63 mb Dateiname: Unterrichtssprache:

Assemble sleeve and attach to firestop with #8 sheet metal screws (supplied). Install firestop assembly. (Fig. 29) Zero clearance sleeve is only required for combustible walls. Step 3 Place fireplace into position. Measure the vertical height (X) required from the base of the flue collars to the center of the wall opening. (Fig. 33) #8 Screws (2) #8 Screws (2) Adjustable Zero Clearance Sleeve Firestop #8 Screws (2) Max. Length 12” (294 mm) CFM135a Fig. 32 Adjustable zero clearance sleeve. Step 4 Apply a band of silicone to the inner and outer flue collars of the fireplace and using appropriate length of pipe section(s) attach to fireplace with three (3) screws. Follow with the installation of the inner and outer elbow, again secure joints as described in the “Connecting Vent Pipe” section. X X FP1181 Fig. 33 Vertical height requirements. Step 5 Measure the horizontal length requirement including a 2” (50mm) overlap, i.e. from the elbow to the outside wall face plus 2” (50mm) (or the distance required if installing a second 90° elbow). (Fig. 34) Always install horizontal venting on a level plane. Step 6 Use appropriate length of pipe sections - telescopic or fixed - and install. The sections which go through the wall are packaged with the starter kit, and can be cut to suit if necessary. 20000584 17 DVBR Series Direct Vent Gas Fireplace Sealing vent pipe and firestop gaps with high temperature sealant will restrict cold air being drawn in around fireplace. XXFP1182 Fig. 34 Horizontal length requirement. Step 7 Apply high temperature sealant to 4” (102 mm) and 7” (175 mm) collars or the termination one inch away from crimped end. Guide the vent terminations 4” and 7” collars into their respective vent pipes. Double check that the vent pipes overlap the collars by 2” (51 mm). Secure the termination to the wall with screws provided and caulk around the wall plate to weatherproof. As an alternative to screwing the termination directly to the wall, you may also use expanding plugs or an approved exterior construction adhesive. You may also attach the termination with screws through the inner body into the 4” vent pipe, however for this method, you must extend the 4” pipe approximately 6” (152 mm) beyond the outer face of the wall. Support horizontal pipes every 3’ (91 cm) with metal pipe straps. Vertical Sidewall Installation Flex Vent Pipe NOTE: The 40” (1016 mm) flex vent is used for 90° off the top of the unit then out the back wall. Follow Step 1 and 2 on Page 17. Step 3 Install the four (4) spacer springs on the 4” flex vent pipe. When installing the spacer springs around the 4” pipe, stretch the spring to approximately 15” (381 mm), wrap the spring around the pipe and interlock the ends of the spacer spring approximately 2” (51 mm). Measure 6...” (172 mm) from the end of the pipe. Place the next spring 5” (127 mm) from the previously installed spring. Place the next spring 6” (152 mm) from the last spring. Finally place the last spring 12” (305 mm) from the last spring installed. (Fig. 35) 4” Flex Vent Pipe 12" (305mm) Spacer Spring 6" (152mm) 5" (127mm) 6......" (172mm) FP1474 Fig. 35 Install spacer springs. Step 4 Install the 4” (102 mm) flex vent pipe to the appliance collar as described on Page 12. Secure the end with the first spring 6...” (172 mm) from the flex pipe end to the unit. Step 5 Slide the 7” (178 mm) flex vent pipe over the 4” flex vent pipe and secure the 7” collar as described on Page 12. Step 6 Bend the flex pipe horizontal so the bottom of the horizontal pipe measure 6...” (165 mm) from the top of the unit immediately after the 90° formation. (Fig. 36) Be sure to follow the 1” (25 mm) rise in a 24” (610 mm) horizontal run rule. Step 7 Install the 4” flex then 7” flex to the termination. 6......" (165mm) FP1475 Fig. 36 Bend flex vent at 90° so horizontal portion is 6...” (165 mm) off top of unit. 18 20000584 DVBR Series Direct Vent Gas Fireplace Below Grade Installation When it is not possible to meet the required vent terminal clearances of 12” (305 mm) above grade level, a snorkel kit is recommended. It allows installation depth down to 7” (178 mm) below grade level. The 7” (178 mm) is measured from the center of the horizontal vent pipe as it penetrates through the wall. Ensure the sidewall venting clearances are observed. If venting system is installed below ground, we recommend a window well with adequate and proper drainage to be installed around the termination area. If installing a snorkel, a minimum 24” (610 mm) vertical rise is necessary. The maximum horizontal run with the 24” vertical pipe is 36” (914 mm). This measurement is taken from the collar of the fireplace (or transition elbow) to the face of the exterior wall. See the Sidewall Venting Graph for extended horizontal run if the vertical exceeds 24” (610 mm). 1. Establish vent hole through the wall (Fig. 31) 2. Remove soil to a depth of approximately 16” (406mm) below base of snorkel. Install drain pipe. Install window w...

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