Installation

Continued

NOTICE: If your installation does not meet the minimum clear- ances shown, you must do one of the following:

operate the logs only with the flue damper open

raise the mantel to an accept- able height

remove the mantel.

 

 

12"

 

 

Mantel Shelf

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Underside

 

 

10"

 

 

 

 

 

 

 

of Mantel

 

 

8"

 

 

 

 

 

 

 

Shelf

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6"

 

 

 

 

 

All minimum

 

 

 

 

 

 

 

 

 

2 1/2"

 

 

 

 

 

 

 

 

 

 

 

 

 

distances are

Minimum

 

 

 

 

 

 

 

in inches

 

 

 

 

 

 

 

 

 

 

 

 

Noncombustible

 

 

 

 

 

 

 

 

 

 

Log Set

Material

 

 

 

 

 

 

 

 

 

 

 

 

8"

 

12"

15"

18"

20"

 

 

All

 

 

 

Min.

 

 

 

 

 

 

 

Models

 

 

 

 

 

 

 

 

 

 

Top of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fireplace

 

 

Hood

Distances to

 

 

 

Opening

(GA6050,

Underside of

GA6052)

Mantel

 

Figure 7 - Minimum Mantel Clearances

When Using Hood

Floor Clearances

A.If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8).

B.If combustible materials are less than 14" to the fireplace, you must install appliance at least 5" above the combustible flooring (see Figure 9).

Combustible

14" Material

Min.

Noncombustible Material

Figure 8 - Minimum Fireplace Clearances

If Installed at Floor Level

Hearth

Combustible Material

5"

Min.

Figure 9 - Minimum Fireplace Clearances

Above Combustible Flooring

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION

Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material.

If you choose to use your heater as a manually- controlled model (no remote control installed), you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode.

1.The fireplace does not meet the clearance to combustibles requirements for vent-free operation.

2.State or local codes do not permit vent-free operation.

3.You prefer vented operation.

If reasons number 1 or 2 above apply to you, you must permanently open chimney flue damper. You must install the damper clamp accessory (to order, see Accessories, page 34). This will insure vented operation (see Figure 10, page 12). The damper clamp will keep damper open. Installation instruc- tions are included with clamp accessory.

See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times.

Chimney

Minimum Permanent

Height

Flue Opening

 

 

6' to 15'

39 sq. inches

15' to 30'

29 sq. inches

Area of Various Standard Round Flues

Diameter (inches)

Area (sq. inches)

 

 

5

0

6

9

7

39

8

51

111161-01H

www.desatech.com

11

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Image 11
Desa CHL3924NR Floor Clearances, Installing Damper Clamp Accessory for Vented Operation, Chimney Minimum Permanent, 15 to

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