Desa SMA18VPA Installation, Continued, Minimum 16 inches from Side Wall, Minimum Clearance for

Models: SMA24VNA SBJ18VPA SBJ24VNA SMA18VPA SBJ24VNA, SBJ24VPA, SMA24VNA, SMA24VPA, SBJ18VNA, SBJ18VPA, SMA18VNA, SMA18VPA

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INSTALLATION

INSTALLATION

Continued

Example

*

*Minimum 16 inches from Side Wall

Figure 4 - Minimum Clearance for
Combustible to Wall

NOTICE: Non thermostat con- trolled heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open and damper clamp installed. If running heater with damper open, noncombus- tible material above the fireplace opening is not needed. Go to Installing Damper Clamp Ac- cessory for Vented Operation, page 12.

Minimum Noncombustible Material Clearances

If Not Using Mantel

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

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. Noncombus- tible 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" Models Only). See Figure 5 for minimum clearances.

Noncombustible

 

Requirements for

Material Distance (A)

 

Safe Installation

12" or more

 

N o n c o m b u s t i b l e

 

 

material OK.

Between 8" and 12"

 

24" Models:

 

 

Install fireplace hood

 

 

accessory (GA6050,

 

 

GA6052, GA6053, see

 

 

Accessories, page 27).

 

 

18" Model: Noncom-

 

 

bustible material OK.

Less than 8"

 

Noncombustible

 

 

material must be

 

 

extended to at least 8".

 

 

See Between 8" and

 

 

12", above. If you

 

 

cannot extend material,

 

 

you must operate

 

 

heater with flue damper

 

 

open and damper

 

 

clamp installed

Heat Resistant

 

 

 

 

 

 

 

 

 

 

 

 

Material

 

 

 

 

 

 

 

 

(A)

 

 

 

 

 

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

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 noncom- bustible 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 11, 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 12.

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Desa SMA18VPA Installation, Continued, Minimum 16 inches from Side Wall, Minimum Clearance for, Combustible to Wall