Hearth and Home Technologies CERONA-42 owner manual Vent Information and Diagrams, Vent Table Key

5 Vent Information and Diagrams

A. Vent Table Key

The abbreviations listed in this vent table key are used in the vent diagrams.

Symbol	Description
V1	First section (closest to appliance) of vertical length
V2	Second section of vertical length
H1	First section (closest to appliance) of horizontal length
H2	Second section of horizontal length

Vertical

-8 in.1/2

8-1/2 in.

WARNING	Horizontal
Fire Hazard.
Explosion Risk.	Figure 5.1
Asphyxiation Risk.
Do NOT connect this gas appliance to a chimney	C. Measuring Standards
flue serving a separate solid-fuel or gas burning
appliance.	Vertical and horizontal measurements listed in the vent
• Vent this appliance directly outside.
	diagrams were made using the following standards.
• Use separate vent system for this appliance.
	1. Pipe measurements are shown using the effective length
May impair safe operation of this appliance or
	of pipe (see Figure 5.2).
other appliances connected to the flue.
	2. Measurements are made from the appliance outer wrap,
B. Use of Elbows	not from the standoffs.
	3. Horizontal terminations are measured to the outside
CAUTION	mounting surface (flange of termination cap) (see
	Figure 4.1).
ALL vent configuration specifications MUST be followed.	4. Vertical terminations are measured to bottom of termi-
	nation cap.
• This product is tested and listed to these specifications.
	5. Horizontal pipe installed level with no rise.
• Appliance performance will suffer if specifications are not
followed.

Diagonal runs have both vertical and horizontal vent as-		Pipe	Effective Length
			Inches	Millimeters
pects when calculating the effects. Use the rise for the		DVP4	4	102
vertical aspect and the run for the horizontal aspect (see		DVP6	6	152
Figure 5.1).	Effective	DVP12	12	305
Two 45º elbows may be used in place of one 90º elbow. On	Height/Length	DVP24	24	610
		DVP36	36	914
45º runs, one foot of diagonal is equal to 8.5 inches hori-
		DVP48	48	1219
zontal run and 8.5 inches vertical run. A length of straight
		DVP6A	3 to 6 76 to 152
pipe is allowed between two 45º elbows (see Figure 5.1).
		DVP12A	3 to 12	76 to 305
		DVP12MI	3 to 12	76 to 305
		DVP24MI	3 to 24	76 to 610
	Figure 5.2 DVP Pipe Effective Length
Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. H • 11/08				15