Desa (V)CD36RPE, (V)CD36TNE, (V)CD36TPE, (V)CD36RNE installation manual Snorkel

Venting Installation instructions

Continued

SNORKEL TERMINATION INSTALLATION Recommended Applications Models (V)CD36R and (V)CD36T:

•Installations requiring vertical rise on building exterior.

•Installation using snorkel termination to achieve 1 ft. above grade.

Snorkel terminations are available for installations requiring a vertical rise on the exterior of the build- ing. If installing snorkel below grade

you must provide proper drainage to prevent water from entering snorkel (see Figure 23, page 15). Do not back fill around snorkel termination.

Snorkel

Termination

12"

Min.

		Snorkel
Snorkel	Wall	Termination
Termination
	Firestop
	90° Elbow
		12" Min.
12" Min.
Adequate
Drainage

Figure 23 - Snorkel Termination Configuration For Below Ground Installation

HORIZONTAL VENT INSTALLATIONS

USING MULTIPLE 90° ELBOWS (V)CD36T

TOP VENT

The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows.

90° Elbow

Venting with Two 90° Elbows

	Horizontal (H)+
Vertical (V)	Horizontal (H2)
7' Min.	10' Max
8' Min.	12' Max
9' Min.	14' Max
10' Min.	16' Max
11' Min.	18' Max
13' Min.	20' Max

90° Elbow

Figure 24 - Horizontal Termination Configuration For Venting Using Two 90° Elbows

(Model (V)CD36T)

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