Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER Installation, Check GAS Type

VANGUARD FLAME-MAX™

UNVENTED PROPANE/LP GAS LOG HEATER

INSTALLATION

NOTICE: A qualified service per- son must install heater. Follow all local codes.

NOTICE: State or local codes may only allow operation of this appli- ance in a vented configuration. Check your state or local codes.

WARNING: Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a quali-

IMPORTANT: Vent-free heaters add mois- ture to the air. Although this is beneficial, installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture. See Air for Com- bustion and Ventilation, pages 3 through 5.

CHECK GAS TYPE

Use only propane gas. If your gas supply is not propane, do not install heater. Call dealer where you bought heater for proper type heater.

INSTALLATION AND

CLEARANCES (Vent-Free

Operation Only)

LOG SIZING REQUIREMENTS

Log	Minimum Firebox
Size	Height	Depth	Front Width
18"	17"	14"	20"
24"	17"	14"	26"
30"	17"	14"	32"
36”	17”	14”	38”

Carefully follow the instructions below. This will ensure safe installation into a masonry, U.L. listed manufactured fireplace, or AGA design certified vent-free firebox listed for use with these models.

Minimum Wall and Ceiling Clearances (see Figure 4)

fied chimney cleaner. Creosote will ignite if highly heated. In- spect chimney flue for damage. If damaged, operate heater with flue damper closed.

WARNING: Seal any fresh air vents or ash clean-out doors lo- cated on floor or wall of fireplace. If not, drafting may cause pilot outage or sooting. Use a heat- resistant sealant. Do not seal chimney flue damper.

WARNING: Never install the heater

•in a bedroom or bathroom un- less installed as a vented ap- pliance (see page 9)

•in a recreational vehicle

•where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the heater

•in high traffic areas

•in windy or drafty areas

CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater

WARNING: Maintain the mini- mum clearances. If you can, pro- vide greater clearances from floor, ceiling, and adjoining wall.

MINIMUM FIREPLACE

CLEARANCE

TO COMBUSTIBLE

MATERIALS

Log Size	Side Wall	Ceiling
18", 24",	16"	42"
30”, and 36"

16"

Left and Right

Sides

A.Clearances from the side of the fire- place opening to any combustible wall should not be less than 16 inches.

B.Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.

42"

where impurities in the air (such as tobacco smoke) exist, may discolor walls.

Figure 4 - Minimum Clearance to Wall and Ceiling

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