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Hersteller: Vermont Casting Dateigröße: 704.74 kb Dateiname: Unterrichtssprache:

STEP 2 Fig. 49. Measure wall thickness and cut adjustable zero clearance sleeve parts to proper length (MAXIMUM 12"). Adjust sleeve to minimum (9-3/8" x 9-3/8") and attach to firestop with #8 sheet metal screws (supplied). Install firestop assembly. STEP 2 Zero clearance sleeve is only required for combustible walls. #8 SCREWS(2) ADJUSTABLE ZERO CLEARANCE SLEEVE ADJUSTABLE ZERO CLEARANCE SLEEVE #8 SCREWS(2) #8 SCREWS(2)Maximum Length 12" (294mm) FIRESTOP FIRESTOPFig. 49 STEP 3 (Fig. 50) Apply a bead of high temperature sealant to the inner and outer flue collars of the fireplace and using appropriate venting component(s) attach to fireplace with three (3) screws. Follow with the installation of the inner and outer elbow. Again secure joints with three (3) sheet metal screws. Wipe off any excess high temperature sealant. ENSURE PIPES ARE CONCENTRIC X 7TDVRT90 , , , BEAD OF SEALANT (IF NECESSARY) STEP 4 Fig. 50 (Fig. 51) Measure the horizontal length requirement plus 1-1/2" overlap, i.e. from the elbow to the outside wall finish plus 1-1/2" (or the distance required if installing a second 90. elbow). Always install horizontal venting on a X ........ Fig. 51 level plane. - 22 STEP 5 STEP 5 BELOW GRADE INSTALLATIONS (Fig. 52) Use the appropriate length of pipe section – telescopic or fixed – and install. The 20" section of pipe which goes through the wall is packaged with the 7TDVSK kit, and can be cut to suit if necessary. Sealing vent pipe and firestop gaps with high temperature sealant will restrict cold air being drawn in around fireplace. ....X ........ Fig. 52 STEP 6 (Fig. 53) Apply high temperature sealant to 4" and 7" collars 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". Secure the termination to the wall with screws provided and caulk around the wall plate to weatherproof. X X Fig. 53 STEP 7 Support the horizontal pipes every three (3) feet (92 cm) with metal pipe straps. Make sure that the horizontal vent pipe is installed on a level horizontal plane. STEP 8 Recheck the fireplace to make sure that it is levelled, properly positioned, and nailed or screwed to the floor. If applied, the fireplaces adjustable frame drywall strips (nailing flanges) should be fastened. See "Framing & Finishing" section. When it is not possible to meet the required vent terminal clearances of 12 inches (305mm) above grade level a model 7TDVSKS vent kit is recommended. It allows installation depth of down to 7 inches (178mm) below grade level. The 7 inches is measured from the centre of the horizontal vent pipe as it penetrates through the wall. If venting system is installed below ground, we recommend a window well with adequate and proper drainage. INSTALLATION Ensure sidewall venting clearances are observed. The maximum horizontal run with 24" vertical rise is 36" (915mm) from the back of the fireplace to the face of the exterior wall. See vent graph (Fig. 45) for extended horizontal run if the vertical exceeds 24". 1. Establish vent hole through the wall. See page 22 2. Remove soil to a depth of approximately 16" below base of snorkel. Install window well (not supplied). Refill hole with 12" of coarse gravel leaving a clearance of approximately 4" below snorkel. (Fig. 54) 3. Install vent system. See page 22, Steps 2 through 5. 4. Ensure a watertight seal is made around the vent pipe coming through the wall. 5. Apply high temperature sealant caulking (supplied) around the 4 and 7 inch 7TDVSKS's snorkel collars. 6. Slide into vent pipe and secure to the wall. 7. Level the soil so as to maintain a 4" clearance below snorkel (Fig. 54). - 23 - Fig. 54 ........GRAVEL DRAIN FIRESTOP FOUNDATION WALL WINDOW WELL 7TDVSKS (SNORKEL) GROUND A minimum of 24"/608mm vertical pipe must be installed when using the 7TDVSKS kit. * SCREWS MINIMUM 4" CLEARANCE ZERO CLEARANCE SLEEVE IF REQUIRED 7TDVRT90 A MINIMUM OF 24" (608MM) VERTICAL PIPE MUST BE INSTALLED WHEN USING THE 7TDVSKS KIT. 7TDVRT90 DO NOT BACK FILL AROUND SNORKEL. SOIL SHOULD NOT BE LESS THAN 4" BELOW SNORKEL. FOUNDATION RECESS SNORKEL SCREWS WALL SCREWS SHEET METAL WATERTIGHT SEAL AROUND PIPE Fig. 55 If the foundation is recessed, use recess brackets (not supplied) for securing lower portion of the snorkel. Fasten brackets to wall first and then secure to snorkel with self drilling #8 x 1/2 sheet metal screws. It will be necessary to extend vent pipes out as far protruding wall face (Fig. 55). MAXIMUM 10 FT (3048mm) PIPE STRAPS EVERY 3' (914mm) MINIMUM 8 FT./ MAXIMUM 40 FT. VERTICAL RISE VERTICAL THROUGH THE ROOF APPLICATIONS Fig. 56 This Gas Fireplace has been approved for, a) Vertical installations up to 40 feet (12 metres) in height. Up to a 10 ft. horizontal vent run can be installed within the vent system using a maximum of three 90o elbows. b) Up to two 45o elbows may be used within the horizontal run. For each 45o elbow used on the horizontal leve...

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