Installation

Continued

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" thick. With sheet metal, you must have non- combustible 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). Even if noncombustible material is more than 12", you may need the hood acces- sory to deflect heat away from your mantel shelf. See Figure 5 and Figures 6 and 7 on 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 11.

Noncombustible

Requirements for

Material

Safe Installation

Distance (A)

 

 

 

12" or more

Noncombustible material

 

okay.

Between 8"

Install fireplace hood

and 12"

accessory (GA6050,

 

GA6052 or GA6053 see

 

Accessories, page 34).

Less than 8"

Noncombustible material

 

must be extended to at

Mantel Clearances

In addition to meeting noncombustible 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 Clearances If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6).

Determining Minimum Mantel Clearances

When Using a Hood

If minimum clearances in Figure 6 are not met, you must have a hood. When using a hood there are still certain minimum mantel clearances required. Follow minimum clearances shown in Figure 7, page 11, when using hood.

NOTICE: Surface temperatures ofadjacentwallsandmantelsbe- comehotduringoperation.Walls and mantels above the firebox may become hot to the touch. If installed properly, these tem- peratures meetthe requirements of the national product standard. Follow all minimum clearances shown in this manual.

least 8". See Between 8"

and 12", above. If you

cannot extend material,

you must operate heater

with flue damper open.

Heat Resistant

Material

(A)

 

 

10"

 

 

8"

 

 

 

6"

 

 

 

2 1/2"

Minimum

 

 

(A)

 

 

Noncombustible

 

Material

 

12"

 

 

 

 

 

 

8"

 

 

 

 

Mantel Shelf

18"

 

20"

22"

 

8"

 

14"

17"

 

 

 

 

Underside

of Mantel

Shelf

All minimum distances are in inches

Log Set

24"/30"

24" Models

20" 18" Model

Top of Fireplace Opening

Minimum

Distances to

Noncombustible

Underside of

Material Height

Mantel

Figure 6 - Minimum Mantel Clearances

Without Using Hood

Figure 5 - Heat Resistant Material (Slate,

Marble, Tile, etc.) Above Fireplace

10

www.desatech.com

111161-01H

Page 9 Page 11
Page 10
Image 10
Desa CHL3924NR installation manual Mantel Clearances, If Using Mantel
Page 9 Page 11

CHL3924NR specifications

Desa CHL3924NR is an innovative and versatile heating solution designed to meet the demands of modern living. This unit is particularly favored for its combination of efficiency, performance, and advanced technology, making it an ideal choice for homeowners looking for effective heating options.

One of the standout features of the Desa CHL3924NR is its impressive heating capacity. With a powerful design, it can deliver substantial warmth to medium to large spaces while maintaining a user-friendly operation. The unit boasts a range of heating settings, allowing users to customize the temperature according to their preferences and comfort. This flexibility not only enhances user experience but also optimizes energy consumption, contributing to lower utility bills.

Furthermore, the CHL3924NR incorporates cutting-edge technology to ensure reliable and efficient performance. The unit comes with a state-of-the-art digital thermostat that provides precise temperature control. This feature allows for easy monitoring and adjustment, ensuring that a comfortable environment is maintained effortlessly.

Energy efficiency is a hallmark of the Desa CHL3924NR. It is designed to minimize energy waste while maximizing output, making it an environmentally conscious choice. The unit's efficient fuel consumption means it operates with lower emissions compared to traditional heating systems, aligning with the growing trend towards sustainable living.

Durability is another significant characteristic of the Desa CHL3924NR. Constructed with high-quality materials, this heating unit is built to last, and its robust design can withstand the rigors of daily use. Coupled with a sleek, modern aesthetic, it seamlessly integrates into various home décors.

Safety features are paramount in the design of the CHL3924NR, ensuring peace of mind during operation. The unit is equipped with safety shut-off mechanisms, preventing overheating and potential hazards.

In conclusion, the Desa CHL3924NR stands out as a reliable, efficient, and stylish heating solution, perfect for contemporary homes. Its combination of advanced technology, user-friendly features, energy efficiency, and safety make it an excellent choice for anyone looking to enhance their heating experience. Whether for a cozy night in or providing warmth during colder months, the Desa CHL3924NR delivers exceptional performance that meets the needs of today’s consumers.
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