Desa VVSA18M, VVSA24M, VVDA24M, VVDA18M Check GAS Type, Venting Specifications for Installation

Models: VVDA30M VVDA24M VVDA18M VVSA18M VVSA24M

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INSTALLATION

Flue Opening Specifications Check Gas Type

Venting Specifications for Installation

INSTALLATION

CAUTION: Do not remove the metal data plates attached to the burner pan. The data plates contain important warranty and safety information.

WARNING: Before installing in a solid fuel burn- ing fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. A dirty chimney flue may create and distribute soot within the house. Inspect chimney flue for damage.

NOTICE: Installation, service, and repair of this appli- ance must be performed by a qualified installer, ser- vice agency, company or gas supplier experienced with this type of gas appliance. Only factory autho- rized components listed in these instructions may be used in accordance with the manufacturer’s instruc- tions and all codes and requirements of the authority having jurisdiction. Any modifications to this kit, or use of unauthorized components or accessory items will void the manufacturer’s warranty, and may result in a hazardous condition.

CHECK GAS TYPE

Use only natural gas. If your gas supply is not natural gas, you must convert the appliance to propane/LP. Follow the instruc- tions on pages 6 and 7.

If the fireplace does not have a gas supply shut-off valve, one must be installed.

VENTING SPECIFICATIONS FOR

INSTALLATION

The fireplace chimney flue and vent must be drafting properly. To check the vent for proper drafting: Light a tightly rolled newspa- per on one end and place it at the inside front edge of the fireplace. Observe the smoke and be sure the vent is properly drawing it up the chimney. If the smoke spills out into the room, extinguish the flame and remove any obstruction until proper venting is achieved.

The chimney flue damper must be fixed open to provide a minimum of 81 sq. in. of free air opening during operation of this log set. A multipurpose damper clamp is provided to fix the damper in position.

The minimum flue sizes shown in Figure 2 are based on a 6' chimney height using round pipe. Your minimum flue size will vary based on input rate and chimney height. Refer to the National Fuel Gas Code ANSI Z223.1/NFPA 54, Section 6.6, for details.

FLUE OPENING SPECIFICATIONS

Note: This vented appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncom- bustible material.

The charts in Figure 2 indicate technical information regarding the installation of your gas log set. Please make sure that all of the specifications shown are applicable before installation is attempted.

The fireplace must include a working flue and venting system with the minimum openings shown in the Figure 2.

 

Btu Input

Btu Input

Burner Orifice

 

DESCRIPTION

Natural

Propane/LP

Natural

Propane/LP

Gas

Gas

In.

Num.

In.

 

Num.

18" Single Burner

50,000

40,000

.116

32

.081

 

46

24" Single Burner

60,000

50,000

.120

31

.082

 

45

18" Dual Burner

55,000

45,000

.116

32

.082

 

45

24" Dual Burner

65,000

55,000

.138

29

.086

 

44

30" Dual Burner

70,000

60,000

.1405

28

.089

 

43

 

 

 

 

 

 

 

 

Figure 2 - Technical Information Charts

MINIMUM FIREBOX SIZES

LOG

FRONT

BACK

 

 

MINIMUM

SIZE

WIDTH

WIDTH*

DEPTH

HEIGHT

FLUE SIZE

 

 

 

 

 

 

18"

34"

16"

14"

18"

8" diam.

24"

35 3/4"

17"

15 1/2"

18"

8" diam.

30"

42"

27"

18"

18"

9" diam.

*At depth indicated

SPECIFICATIONS (W.C.)

 

FUEL INLET

MANIFOLD

 

PRESSURE

PRESSURE

 

 

 

 

 

 

 

Min.

Max.

 

NG

 

7

10.5

6

LP

 

11

14

10

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Desa VVSA18M, VVSA24M, VVDA24M Check GAS Type, Venting Specifications for Installation, Flue Opening Specifications