FIREPLACE MANUFACTURERS INCORPORATED

UNVENTED NATURAL GAS LOG HEATER

INSTALLATION

Continued

NOTICE: Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, noncombustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Op-

If Using Mantel

You must have noncombustible material(s) above the fireplace opening. Noncombus- tible 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 mate- rial must extend at least 8 inches up (for all models). If noncombustible material is less than 12", you must install the fireplace hood

accessory. 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 this page and Figures 6 and 7, page 9 for minimum clearances.

IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chimney flue damper open, see Install- ing Damper Clamp Accessory, page 10.

eration, page 10.

Minimum Noncombustible Material Clearances

If Not Using Mantel

Note: If using a mantel, proceed to If Using Mantel. If not using a mantel, follow the information below.

You must have noncombustible material(s) above both fireplace openings. Noncom- bustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncom- bustible 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. See Figure 5 at right for minimum clearances.

IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chimney flue damper open, see Install- ing Damper Clamp Accessory, page 10.

Noncombustible

Requirements for

Material Distance (A)

Safe Installation

 

 

12" or more

Noncombustible material OK.

Between 8" and 12"

Install fireplace hood accessory (HDABK, or

 

HDABR, see Accessories, page 21).

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.

Heat Resistant

Material

(A)

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

8

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Page 8
Image 8
Desa FVFM27NR installation manual Minimum Noncombustible Material Clearances, If Using Mantel, Eration, If Not Using Mantel
Page 7 Page 9

FVFM27NR specifications

Desa FVFM27NR is a modern and innovative product that embodies cutting-edge technology and design aesthetics, making it a standout choice in its category. This versatile device is tailored to meet the demands of consumers who seek both efficiency and performance in their daily activities.

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