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Évaluations - 2, GPA: 3.5 ( )

Instructions Vermont Casting, Modèle 3LDVT

Fabricant : Vermont Casting
Taille : 3.87 mb
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Langue d'enseignement: en
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3. All gravity air intakes within 3’ (914 mm) of a termination cap must be a minimum of 1’ (305 mm) below the termination cap. Fig. 10a Termination clearances. General Information on Assembling Vent Pipes Canadian Installations: The venting system must be installed in accordance with the current CSA-B149 .1 installation code. USA Installations: The venting system must conform with local codes and/ or the current National Fuel Gas code ANSI Z223.1/ NFPA 54. Only venting components manufactured by CFM Corporation can 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” (25 mm) 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. Hose Clamp Apply High Temperature Sealant FP1471 Fig. 11 Apply high temperature sealant to 4” and 7” pipes. FP1471 LDVT Series Direct Vent Gas Fireplace Twist Lock Pipes When using CFM Corporation twist-lock pipe it is not necessary to use sealant on the joints. The only areas of the venting system that need to be sealed with high temperature silicone sealant are the sliding joints of any telescopic vent section used in the system. To join the twist lock pipes together, simply align the beads of the male end with the grooves of the female end, then while bringing the ends together, twist the pipe until the flange on the female end contacts the external flange on the male end. It is recommended that you secure the joints with three (3) sheet metal screws, however this is not mandatory with twist lock pipe. To make it easier to assemble the joints we suggest putting a lubricant (Vaseline or similar) on the male end of the twist lock pipe prior to assembly. Male End Female End Screw Holes TWL100 Fig. 12 Twist-lock pipe joints. How to Use the Vent Graph The vent chart should be read in conjunction with the following vent installation instructions to determine the relationship of the vertical and horizontal dimensions of 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. 13) 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 fireplace is 11’ (3.4 m) the horizontal run to the face of the outer wall must not exceed 14’ (4.3 m). Example B: If the vertical dimension from the floor of the unit is 7’ (2.14 m), the horizontal run to the face of the outer wall must not exceed 8...’ (2.6 m). 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 Sidewall vent graph showing the relationship between vertical and horizontal dimensions for a Direct Vent flue system. Vertical dimension from the of the fireplace the center of the horizontal Fig. 13 Sidewall venting graph. (Dimensions in feet) Vertical Sidewall Applications Since it is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust, certain limitations as to vent configurations apply and must be strictly adhered to. The vent graph showing the relationship between vertical and horizontal side wall venting will help to determine the various dimensions allowable. Minimum clearance between vent pipes and combustible materials is one 1” (25mm) on top, bottom and sides unless otherwise noted. When the vent termination exits through foundations less than 20” (508mm) below siding outcrop, the vent pipe must flush up with the siding. It is always best to locate the fireplace in such a way that minimizes the number of offsets and horizontal vent length of vent pipe from the flue collar of the fireplace to the face of the outer wall. 12 10007852 LDVT Series Direct Vent GaS Fireplace 20' (6m) 7.5' (2.3m)Pipe Straps Every 3’ (914mm) Firestop/Zero Clearance Sleeve Pipe Straps Every 3’ (914mm) FP1012 Fig. 14 Support straps for horizontal runs. 7.5' (2.3m) A B A + B = 17' (5.2m) Max. 1 x 90° elbow in horizontal plane = 3’ (914mm) FP1238 Horizontal plane means no vertical rise exists on this portion of the vent assembly. • The maximum number of 90° elbows per side wall installations is three (3). • If a 90° elbow is fitted directly o...

Ce manuel est également adapté pour les modèles :
Ventilateurs - 36LDVT 39LDVT (3.87 mb)
Ventilateurs - 43LDVT (3.87 mb)

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