Hearth and Home Technologies Cyclone-BC Top Vent Vertical Termination Two Elbows Three Elbows

2. Top Vent - Vertical Termination - (continued) Two Elbows

HT

V2

V1

Three Elbows

V2

H2 H1

Figure 5.8

V1	V2	VT Min.		HT Max.
*	*	1.5	ft.	2	ft.
*	*	2.5	ft.	5	ft.
*	*	3.5	ft.	8	ft.
*	*	4.5 ft.		11 ft.

VT + HT = 40 ft. Max.

*No specific restrictions on this value EXCEPT

VT + HT cannot exceed 40 ft. Max.

NOTE: There MUST be a 25% reduction in total H when using flex vent except when using the simple up and out installation (see Figure 5.7).

V1	H1	H2	V2	VT Min.		HT Max.
*	*	*	*	1.5	ft.	2	ft.
*	*	*	*	2.5	ft.	5	ft.
*	*	*	*	3.5	ft.	8	ft.
*	*	*	*	4.5 ft.		11 ft.

VT + HT = 40 ft. Max.

*No specific restrictions on this value EXCEPT

VT + HT cannot exceed 40 ft. Max.

NOTE: There MUST be a 25% reduction in total H when using flex vent except when using the simple up and out installation (see Figure 5.7).

V1

16 Heat & Glo • Cyclone-BN, Cyclone-BC • 2073-900 Rev. N • 10/08