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Производитель: Vermont Casting
Размер: 2.63 mb
Название файла: 37f6a7b7-a01f-4231-9ceb-5f6019bd299c.pdf
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Фрагмент инструкции
USA Installations The venting system must conform to local codes and/or the current National Fuel Code ANSI Z223.1/NFPA 54. Only venting components manufactured by CFM Corporation may be used in Direct Vent systems. Flex Vent Pipes Before joining the flex vent pipe to the unit, apply a bead of high temperature sealant* (provided) to the 4” pipe exiting the fireplace. Secure flex vent pipe in place with a hose clamp (provided). *Be sure the flex pipe overlaps at least 1” (25mm) onto the collars of the fireplace and termination. If the termination has an internal bead, be sure to overlap and secure 1” (25 mm) past the bead. * Be sure the vent is actually crushed before proceeding. Apply a tug to be sure the vent will not slip off the collars. Repeat process with 7” flex vent pipe. The same procedure must be performed on the vent side. Apply High Temperature Sealant Hose Clamp FP1471 Fig. 16 Apply high temperature sealant to 4” and 7” pipes. 12 20000584 Twist Lock Pipes DVBR Series Direct Vent Gas Fireplace When using CFM Corporation twist-lock pipe, it is not necessary to use silicone to seal the twist-lock joints. The only areas that need silicone are the collars on the fireplace, the telescoping pipe (if used) and the horizontal termination connection (when necessary). The female (flared) end secures to the fireplace first with the male end away from the fireplace. To join the pipes together, simply align the beads of the male end with the grooves of the female end, twisting the pipe until the flange on the female end touches the external bead on the male end. Secure the joints with three (3) sheet metal screws. (Fig. 17) To make assembly easier, apply lubricant (vaseline or similar) on the male end of the twist-lock pipe. Male End Female End Screw Holes TWL100 Fig. 17 Twist-Lock pipe joints. How to Use the Vent Graph The Vent Graph should be read in conjunction with the following vent installation instructions to determine the relationship between the vertical and horizontal dimensions to the vent system. 1. Determine the height of the center of the horizontal vent pipe exiting through the outer wall. Using this dimension on the Sidewall Vent Graph (Fig. 18), locate the point intersecting with the slanted graph line. 2. From the point of this intersection, draw a vertical line to the bottom of the graph. 3. Select the indicated dimension, and position the fireplace in accordance with same. EXAMPLE A: If the vertical dimension from the floor of the unit is 11 feet (3352 mm) the horizontal run to the face of the outer wall must not exceed 14’ (4267 mm). EXAMPLE B: If the vertical dimension from the floor of the unit is 7’ (2133mm), the horizontal run to the face of the outer wall must not exceed 8...’ (2590 mm). Vertical Dimension to the Center of Pipe 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 eg: A eg: B Horizontal Dimension from the Outside Face of the Wall to the Center of the Fireplace Vent Flange DV Graph Fig. 18 Sidewall venting graph. (Dimensions in feet.) Refer to Page 19 for venting requirements for snorkels. Rear Wall Vent Applications When installed as a rear vent unit this appliance may be vented directly to a termination located on the rear wall behind the appliance. • Only CFM Corporation venting components are approved to be used in these applications (See ‘Venting Components’ listed for different installation requirements). • The maximum horizontal distance between the rear of the appliance (or end of the transition elbow in a corner application) and the outside face of the rear wall is 20” (508mm). (Fig. 19, 20 ) • Only one 45° elbow is allowed in these installations. • Minimum clearances between vent pipe and combustible materials are as follows: Top - 2” (51 mm) Sides - 1” (25 mm) Bottom - 1” (25 mm) 20000584 13 DVBR Series Direct Vent Gas Fireplace FP1188 Fig. 19 Rear vent application, no elbows. 20” (506 mm) Max. Top View Flat Installation Fig. 20 Rear vent application, one 45° elbow. Top View Corner Installation FP1188 20” (506 mm) Max. Rear Wall Vent Installations - Twist Lock Pipe Step 1 Locate and cut the vent opening in the wall. For combustible walls first frame in opening. (Fig. 21) NOTE: When using flex vent, the opening will have to be measured according to the 1” (25 mm) rise in 24” (610 mm) vertical run. Combustible Walls: Cut a 10...”H x 9...” W (265 mm x 240 mm) hole through the exterior wall and frame as shown. (Fig. 21) Noncombustible Walls: Hole opening should be 7...” (191 mm) diameter. Zero clearance sleeve is only required for combustible walls. Step 2 Measure wall thickness and cut zero clearance sleeve parts to proper length (Maximum 12” / 305mm). Assemble sleeve to its maximum opening (10...” x 9...”) and attach to firestop assembly. (Fig. 22) Step 3 Measure the horizontal length requirement for the venting including a 2” (51 mm) overlap, i.e. from the elbow to the outside wall face pl...
Эта инструкция также подходит к моделям:Вентиляторы - DVBR42 (2.63 mb)