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Resumen del manual
Install 21 Radiance Direct Vent Gas Heater 20012697 .......... ........................ ........ Gasket Lock Tab Inlet End Outlet End ST922 To Termination To Appliance Fig. 34 Joint connection. it by screwing the support plate to the top of the properly framed ceiling joist opening, using screws provided. A round trim plate (TP) is attached to the ceiling, using screws, to provide a finished appearance once installed. (Fig. 35) .......... .............. ................................ ........ Ceiling Support Plate Ceiling Support Collar Trim Plate ST923 Fig. 35 Ceiling support. Fig. 36 Selkirk Venting Components Vent Termination (VC) Storm Collar (SC) Roof Flashing (AF) Ceiling Support (CS) Trim Plate (TP) Pipe Length Pipe Length Appliance Adapter (AAV) ST924 Vertical Venting Pipe Length Appliance Adapter (AAV) 90° Elbow (EL90) Pipe Length Trim Plate (TP) (Required if Wall Thimble is not used) Wall Thimble (WT) (Optional) Horizontal Termination (HC) ST925 Horizontal Venting Radiance Direct Vent Gas Heater The Cathedral Ceiling Support (CCS) may be used in pitched or flat ceiling installations and comes with a support collar and a decorative two part square trim plate. Install by inserting the support box down through the framed joist opening (end with round hole first) in the ceiling using tin snips, cut the corners of the open end of the box such that the sides can be folded down over the top of the joist framing members. Nail the folded sides to the top of the framing. (Fig. 37) Trim Plate Support Box Support Box Collar Two Part Square ST926 Fig. 37 Support box. A two-part square trim plate is provided to give a fin ished look once installed. Simply fit the two halves of the trim plate around the cathedral ceiling support box hanging below the ceiling (overlapping if necessary) ......... ..................................... and screw them to the ceiling. Both the ceiling support and cathedral ceiling support can support a maximum of 40’ (12 m) of pipe. Offsets: If any offsets are necessary in the vertical system, an Offset Support (OS) should be installed directly above the upper elbow of the offset. Install by attaching the offset support band to the pipe with two #8 x 1/4” sheet metal screws (minimum ) and secure the offset support straps to surrounding structure. (Fig. 38) Nail to top of framing Offset Support Offset Support Strap Collar ST927 Fig. 38 Offset support. Supporting DIRECT-TEMP: Horizontal Support Horizontal runs of Direct-Temp should be supported every 4’ (122 cm) of pipe. This can be done with the use of plumbers strapping or the offset support. Adjustable Length (AJ) An Adjustable Length is available to accommodate installations where non-standard lengths are necessary. The adjustable length telescopes down over a standard length of pipe and provides an extension range of 3...” (89 mm) to 10...” (267 mm). Install by sliding the inlet end of the adjustable length over the outlet end of a standard length of pipe. After positioning the adjustable length appropriately, secure it to the standard length with two (2) #8 x1/4” sheet metal screws (provided). Seal the area between both the top and bottom of the adjustable length outer wall and the outer wall of the standard length with an approved silicone sealant. Fire Stopping DIRECT-TEMP must be firestopped wherever it passes through floors, ceiling or walls. The only location where a firestop is not required is at the roof level. Both vertical support components with trim plates provide for firestopping. The wall thimble also acts as a firestop. AT other locations, a firestop spacer (FS) should be installed. In the attic the firestop should be placed on top of the joist framing to prevent debris from falling into the joist framing. (Fig. 39) Maintain at Least Minimum Clearance to Attic Framing Combustibles, Wire and (No floor) Insulation Firestop (FS) Placed on Top of Framed Opening ST928 Fig. 39 Firestop spacer. ..........Horizontal Installation ............................... 1. Determine the appliance location. Refer to the appliance manufacturer’s installation instructions for clearance to combustible requirements, termination options, number of elbows, maximum length, etc. Then position the appliance and plan vent routing accordingly. Consider locating the appliance in a place where there will be no interference with wall studs, electrical wiring, conduit, plumbing pipe or other obstructions. The termination should be located at least 12” (305 mm) (Fig. 40) above grade, remain above the snow line in geographical areas that accumulate snow and be away ......... ....................................... Radiance Direct Vent Gas Heater from traffic areas such as walkways if it is less than 7’ (2.1 m) high. Refer to Pages 10, 11, Figures 11, 12 for more detail. Snorkel Termination Window Well 12” (305 mm) Minimum Clearance Above Grade Level to Air Intake Grade Level Sloped Away From Building Adequate Drainage as per Local Codes Maintain 2” (...
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