Heat & Glo LifeStyle LUX60 owner manual Vent Diagrams, Top Vent Horizontal Termination, One Elbow

E. Vent Diagrams

To replace the first starter elbow with two 45° elbows, refer to Figure 7.4. All other 90° elbows can be replaced with two 45° elbows.

General Rules:

•SUBTRACT 3 ft. from the total H measurement for each 90° elbow installed horizontally.

•SUBTRACT 1-1/2 ft. from the total H measurement for each 45° elbow installed horizontally.

•A maximum of three 90° elbows (or six 45° elbows) may be used in any vent configuration.

NOTICE: DO NOT install elbows horizontally.

•Elbows may be placed back to back anywhere in the system as long as the first 90° elbow is a starter elbow except as shown in Figure 7.4.

•When penetrating a combustible wall, a wall shield firestop must be installed.

•When penetrating a combustible ceiling, a ceiling firestop must be installed.

•Horizontal runs of vent do not require vertical rise; horizontal runs may be level.

1. Top Vent - Horizontal Termination

One Elbow

V1

H1

V1 Min.	V1 Max.	H1 Max.
3 ft (.91 m)	-	1.5 ft (.46 m)
4 ft (1.22 m)	-	6 ft (1.83 m)
5 ft (1.52)	-	11 ft (3.35 m)
6 ft (1.83 m)	-	13 ft (3.96 m)
7 ft (2.13 m)	-	15 ft (4.57 m)
10 ft (3.05 m)	25 ft (7.62 m)	20 ft (6.10 m)

Figure 7.3

28 Heat & Glo • LUX60 • 4062-116 • Rev. G • 4/11