Desa V3610ST manual Venting Installtion, Continued, Chimney Maintenance, Roof Opening Chart

FINISHING YOUR CHIMNEY SYSTEM

Maximum Chimney Height (Cont.) Chimney Maintenance

11

VENTING INSTALLTION

Continued

WARNING: Do not operate an unvented gas log set in this fireplace with the chimney removed.

RTL-10DM RTL-10DM ETL-10DM

Storm

Collar

Flashing

Firestop	MINIMUM
	HEIGHT
Spacer	15 FT.
	(4.5m)

MAXIMUM

HEIGHT

CHASE

TERMINATION

40 FT.

(12m)

Firestop

Spacer

30° Firestop Spacer

30° Offset/

Return

Figure 24 - Maximum Chimney Height

Chimney Maintenance

Have your chimney system cleaned and inspected regularly to ensure safe and efficient operation.

Using Figure 24 and the roof opening chart below, determine the opening that will be required for the pitch of your particular roof.

Roof Opening Chart

			PITCH			Opening “A”	Use Flashing
	(degrees)					Max. (inches)	Model Number
				FLAT		19		6F-10
0-6/12						23 1/4		6F-10
(26.6 deg. Slope)
6/12-12/12						30 3/4		12F-10
(56.3 deg. Slope)
12/12/-18/12						40 1/8		18F-10
(56.3 deg. Slope)
			19" Min.
		(48.26cm)
						2" Min.
						(5.08cm)				30" Min.
										(76.2cm)
										2" Min.
					2" Min.				(5.08cm)
					(5.08cm)

Opening

A

Figure 25 - Roof Opening

Before cutting hole, temporarily remove shingles around area to be opened. After preparing the opening on the roof, continue to add sections of pipe until it extends a minimum of 30 inches above highest point of roof cutout (see Figure 25).

With the termination, the minimum height should add up to 3 feet (see 10-Foot Rule and Figure 22, page 10).

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55253C