Desa VF-24N-PDG, VF-24P-PDG Installation, Continued, Minimum Noncombustible Material Clearances

Models: VF-24P-BTB VF-18N-PDG VF-18N-BTB VF-18P-BTB VF-18P-PDG,VF-24N-PDG, VF-24P-PDG, VF-18NPDG, VF-24N-BTB, VF-18N-BTB, VF-24P-BTB, VF-18P-BTB VF-24N-PDG VF-24P-PDG

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Noncombustible

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INSTALLATION

Installation and Clearances for Vent-Free Operation (Cont.)

INSTALLATION

Continued

Carefully follow the instructions below. This will ensure safe in- stallation into a masonry, UL127-listed manufactured fireplace, or listed vent-free firebox.

Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling

A.Clearances from the side of the fireplace cabinet to any com- bustible material and wall should follow diagram in Figure 4.

Example: The face of a mantel, bookshelf, etc. is made of combustible material and protrudes 3 1/2" from the wall. This combustible material must be 4" from the side of the fireplace cabinet (see Figure 4).

Note: When installing your gas logs into a manufactured fire- box, follow firebox manufacturer’s instructions for minimum clearances to combustible materials.

B.Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.

Example

*

*Minimum 16 inches from Side Wall

Figure 4 - Minimum Clearance for Combustible to Wall

NOTICE: Non thermostat controlled heaters maybe used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, noncombustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operataion, page 10.

noncombustible material behind it. Noncombustible material must extend at least 8" up (for all models). If noncombustible material is less than 12", you must install the fireplace hood accessory (24" and 30" Models Only). See Figure 5 for minimum clearances.

If Using Mantel

You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncombustible material behind it. Noncombustible material must extend at least 8 inches up (for all models). If noncombus- tible material is less than 12", you must install the fireplace hood accessory (24" Models Only). Even if noncombustible material is more than 12", you may need the hood accessory to deflect heat away from your mantel shelf. See Figure 5 and Figures 6 and 7, page 9, for minimum clearances.

IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chimney flue damper open. Go to Installing Damper Clamp Accessory for Vented Operation, page 10.

Noncombustible

Requirements for

Material Distance (A)
Safe Installation

 

 

12" or more

Noncombustible material OK.

Between 8" and 12"

24" Models: Install fireplace hood

 

accessory (GA6050, GA6052, or

 

GA6053 see Accessories, page 36).

 

18" Model: Noncombustible mate-

 

rial OK.

Less than 8"

Noncombustible material must be ex-

 

tended to at least 8". See Between 8"

 

and 12", above. If you cannot extend

 

material, you must operate heater

 

with flue damper open.

 

 

Heat Resistant Requirements for

Material

(A)

Minimum Noncombustible Material Clearances

If Not Using Mantel

Note: If using a mantel proceed to If Using Mantel. If not using a mantel, follow the information on this page.

You must have noncombustible material(s) above the fireplace open- ing. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have

Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace

Material Distance (A)Safe InstallationMinimum Noncombustible Material ClearancesManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundFor more information, visit www.desatech.comManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background

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Desa VF-24N-PDG Installation, Continued, Minimum Noncombustible Material Clearances, Requirements for, Material Distance A