INSTALLING

Continued

Minimum Non-Combustible Material Clearances (Continued)

If Using Mantel

You must have non-combustible material(s) above the fireplace opening. Non- combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch

thick. With sheet metal, you must have non-combustible material behind it. Non- combustible material must extend at least 8" up (for all models). If non-combus- tible material is less than 12", you must install the fireplace hood accessory (24"

and 30" models only). Even if non-combustible material is more than 12", you may need the hood accessory to deflect heat away from your mantel shelf. See chart below and Figures 6 and 7 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 Acces- sory for Vented Operation, page 13.

Non-Combustible

Material Distance (A)

12" or more

Between 8" and 12"

Less than 8"

Requirements for

Safe Installation

Non-combustible material okay.

24" or 30" Models: Install fireplace hood accessory (GA6050 or GA6052, see Accessories, page 33). 18" Model: Non-combustible material okay.

Non-combustible 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.

Mantel Clearances

In addition to meeting

non-combustible

material clearances, you must also meet

 

required clearances between fireplace opening and mantel shelf. If you do not

 

meet the clearances listed below, you will need a hood.

 

 

 

Determining Minimum

Mantel

Clearance

 

 

 

 

 

If you meet minimum clearance between mantel shelf and top of f'weplace open-

 

ing, a hood is not required (see Figure 6).

 

 

 

 

 

 

 

 

 

 

 

 

 

Mantel Shelf

 

 

 

 

 

Mantel

Shelf

 

 

Underside of

 

 

 

 

 

 

 

 

 

All minimum

 

 

 

j m_

 

 

 

 

 

distances are

 

 

 

 

 

 

 

 

in inches

 

 

 

 

 

 

 

 

 

 

MinimumNon-

_

i

(A)

 

 

 

 

 

 

Combustiblfl

 

,,

 

 

 

 

Log Set

 

Matedal

 

/

12"

20"

241,2•

271,2 •

 

 

 

30" _

24"/30" Models

 

 

 

#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/

8"

14"

163/4 ,

181Q" 20" _

18" Model

 

 

 

/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top of Fireplace

 

 

 

 

_

 

 

 

/

Opening

 

 

 

MinimumNon.

Distancesto

 

 

 

 

 

Combustible

 

Underside of

 

 

 

 

 

MaterialHeight

Mantel

 

 

 

i

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

Figure 6. Minimum Mantel Clearances Without Using Hood

_l_ I

,,,k

 

 

 

 

 

 

 

Continued

 

 

 

 

 

 

 

 

 

Page 11
Image 11
Desa Tech CGD3930PT, CGD3924PT Mantel Clearances, Minimum Non-Combustible Material Clearances If Using Mantel

CGD3924PT, CGD3930PT specifications

The Desa Tech CGD3924PT and CGD3930PT are sophisticated heating solutions designed to provide warmth and comfort in various residential settings. These models reflect the company's commitment to quality, efficiency, and user-friendliness, making them ideal for homeowners seeking reliable heat sources during colder months.

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