Laserfiche WebLink
• • <br /> MULTIPLE CONCENTRIC TERMINATION CLEARANCES Four Concentric Terminations <br /> When installing multiple concentric terminations vertically through 1. When installing four concentric terminations through a roof or <br /> a roof or horizontally through a sidewall ensure the required through a sidewall in close proximity they may be arranged <br /> clearances (separation) between terminations are maintained. into stacked rows of two as shown in Figure 33 or lateral rows <br /> Ensure multiple terminations are arranged or grouped as of two as shown in Figure 34. <br /> required. 2. Four is the maximum number of concentric terminations that <br /> NOTE: These clearances must be maintained to prevent the may be installed in a group where all terminations are in <br /> recirculation of vent(exhaust)gases to the intake air.Clearances close proximity as shown in Figure 33. <br /> are measured between the edges of the concentric termination <br /> caps. A <br /> When installing multiple concentric terminations through a roof — — <br /> or through a sidewall the clearances shown in Figure 31 must <br /> be maintained. I OJ • CONCENTRIC <br /> See Multiple Concentric Termination Arrangements on page 33. A t CAPSTERMINA END TIO VIEW <br /> Close Proximity&Standard Clearance <br /> 1. The clearance between multiple termination caps must be 0 A=0-2 INCHES(0-5 cm) <br /> inches(touching)to a maximum of 2 inches(5 cm),dimension CLOSE PROXIMITY <br /> A-Figure 31,when installing concentric terminations in close FOUR CONCENTRIC TERMINATIONS <br /> proximity. See Figure 36 on page 33. <br /> (THROUGH A ROOF OR SIDEWALL) <br /> 2. The clearance between multiple termination caps must be <br /> increased to a minimum of 24 inches(61 cm),dimension B- Figure 33 <br /> Figure 31,when installation in close proximity(above)is not <br /> possible.This is the standard clearance. A <br /> CONCENTRIC A B <br /> TERMINATION CAPS <br /> A /ENDViEW\ B ' <br /> o C O <br /> O O R O <br /> O CONCENTRIC/ <br /> C TERMINATION <br /> CAPS END VIEW <br /> CLOSE PROXIMITY STANDARD CLEARANCE A=0-2 INCHES(0-5 cm) B=24 INCHES(61 cm) <br /> A=0-2 INCHES(0-5 cm) S=24 INCHES(61 cm) CLOSE PROXIMITY OR GREATER <br /> OR GREATER <br /> TWO CONCENTRIC TERMINATIONS FOUR CONCENTRIC TERMINATIONS <br /> (THROUGH A ROOF OR SIDEWALL) (THROUGH A ROOF OR SIDEWALL) <br /> Figure 31 Figure 34 <br /> Groups Of Terminations <br /> Three Concentric Terminations 1. When installing multiple groups of concentric terminations <br /> 1. When installing three concentric terminations through a roof through a roof or through a sidewall in close proximity they <br /> or through a sidewall the third termination may be installed can be installed into stacked groups of four as shown in <br /> in close proximity as indicated by dimension A in Figure 32. Figure 35. Lateral groups of four as shown in Figure 34 may <br /> 2. If close proximity installation of the third termination is not be a more convenient installation arrangement for multiple <br /> possible the third termination may be installed as indicated groups depending on available space. <br /> by dimension B in Figure 32. <br /> CONCENTRIC <br /> TERMINATION <br /> CONCENTRIC A 0 A B CAPS END VIEW <br /> TERMINATION <br /> /l U <br /> CAPS END VIEW <br /> ! @ 0 <br /> ! <br /> O� U � A <br /> A i THIRD O O/ O O <br /> O .6--TERMINATION <br /> A=0-2 INCHES(0-5 cm) B=24 INCHES(61 cm) A=0-2 INCHES(0-5 cm) B=24 INCHES(61 cm) <br /> CLOSE PROXIMITY OR GREATER CLOSE PROXIMITY OR GREATER BETWEEN <br /> GROUPS OF FOUR <br /> THREE CONCENTRIC TERMINATIONS EIGHT CONCENTRIC TERMINATIONS <br /> (THROUGH A ROOF OR SIDEWALL) (THROUGH A ROOF OR SIDEWALL) <br /> Figure 32 Figure 35 <br /> 32 <br />