INSTALLATION

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. If damaged, repair flue damper before operating appliance.

WARNING: Make sure the selector switch is in the OFF position before installing appliance .

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 ap- pliance must be performed by a qualified installer, service agency, company or gas supplier experienced with this type of gas appliance. Only factory authorized components listed in these instructions may be used in accordance with the manufacturer’s instructions and all codes and requirements of the authority hav- ing 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.

INSTALLATION

7

Flue Opening Specifications

Installation and Clearances

 

Venting Specifications for Installation

 

Installing Damper Clamp

 

 

 

INSTALLATION AND CLEARANCES

LOG SIZING REQUIREMENTS

Min.

 

 

 

 

 

 

 

Minimum Firebox Size

Flue size

Log

 

 

Front

Rear*

 

Size

Height

Depth

Width

Width

 

18"

17"

14"

24"

20"

8"

24"

17"

14"

28"

22"

8"

 

 

 

 

 

 

*Measured at 14" depth

Figure 5 - Sizes & Clearances

CHECK GAS TYPE

Use the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not instal in fireplace. Call dealer where you bought the appliance for proper type of appliance.

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 newspaper on one end and place it at the inside front edge of the fireplace. Ob- serve 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 mul- tipurpose damper clamp is provided to fix the damper in position.

The minimum flue sizes shown in Figure 5 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 4 indicate technical information regarding the installation of your gas log set. Please make sure that all of the spec- ifications 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 5.

SPECIFICATIONS (W.C.)

 

FUEL INLET

MANIFOLD

 

PRESSURE

PRESSURE

 

 

 

 

 

 

 

Min.

Max.

 

NG

 

7

10.5

3.5

LP

 

11

14

10

Figure 4 - Technical Information Charts

INSTALLING DAMPER CLAMP

Secure the damper stop clamp provided to the leading edge of the damper as shown in Figure 6. If for any reason this clamp doesn't work on your fireplace, another suitable clamp or permanent stop must be installed, or the damper blade must be cut or removed.

Damper Clamp

 

 

 

Damper

Damper

Damper

Clamp

 

 

 

Damper

Masonry Fireplace

Manufactured

 

Fireplace

Figure 6 - Attaching Damper Clamp

For more information, visit www.desatech.com

111826-02C

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Desa VTD-18P-PDG, VTD-24N-BTB, VTD-24N-PDG installation manual Installation

VTD-18P-PDG, VTD-24N-PDG, VTD-24N-BTB specifications

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