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

Hearth

Combustible Material

5"

Min.

Figure 9 - Minimum Fireplace Clearances

Above Combustible Flooring

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION

12"

10"

8"

6"

2 1/2"

Minimum

Noncombustible

Material8"

Min.

Mantel Shelf

Underside

of Mantel

Shelf

All minimum distances are in inches

 

 

 

 

Log Set

12"

15"

18"

20"

18", 24",

30" Mode

 

 

 

 

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 your heater is a manually-controlled model, 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

Hood ((GA6050,, GA6052)and GA6053)

Distances to Underside of Mantel

Top of

Fireplace

Opening

 

to combustibles requirements for vent-free

 

operation.

2.

State or local codes do not permit vent-free

 

operation.

3.

You prefer vented operation.

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.

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 25). This will insure vented operation (see Figure 10). The damper clamp will keep damper open. Installation instructions are included with clamp accessory.

Damper

Clamp

Damper

Damper

Clamp

DamperDamper

Noncombustible

Masonry

Manufactured

Fireplace

Fireplace

Material

 

 

Figure 8 - Minimum Fireplace Clearances

Figure 10 - Attaching Damper Clamp

if Installed at Floor Level

 

 

119421-01A

www.desatech.com

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Desa HDVF3018N, HDVF3018P installation manual Installing Damper Clamp Accessory for Vented Operation, Floor Clearances

HDVF3018N, HDVF3018P specifications

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