Installation; Check Gas Type - Desa Comfort Glow CGD3924PRA Owner's Operation And Installation Manual

Premium aged split oak and yellow flame unvented (vent-free) propane/lp gas log heater
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INSTALLATION

NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system's circulating blower while
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
NOTICE: State or local codes may
only allow operation of this appli-
ance in a vented configuration.
Check your state or local codes.
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
WARNING: Make sure the
selector switch is in the OFF po-
sition before installing heater.
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-
fied chimney cleaner. Creosote
will ignite if highly heated. A dirty
chimney flue may create and dis-
tribute soot within the house. 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.
105678
WARNING: Never install the
heater
• in a bedroom or bathroom un-
less installed as a vented ap-
pliance, see page 10.
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
• in high traffic areas
• in windy or drafty areas
CAUTION: This heater creates
warm air currents. These currents
move heat to wall surfaces next to
heater. Installing heater next to
vinyl or cloth wall coverings or
operating heater where impurities
(such as tobacco smoke, aromatic
candles, cleaning fluids, oil or
kerosene lamps, etc.) in the air
exist, may discolor walls.
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 4 through 6.

CHECK GAS TYPE

Use only propane/LP gas. If your gas supply
is not propane/LP gas, do not install heater.
Call dealer where you bought heater for
proper type heater.
7
OWNER'S MANUAL
INSTALLATION AND
CLEARANCES
(Vent-Free Operation Only)
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
24"
16"
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log
Size Height Depth Width Width*
24"
17"
13"
30"
17"
13"
*Measured at 13" depth
Carefully follow the instructions below. This
will ensure safe installation into a masonry,
UL127-listed manufactured fireplace, or
listed vent-free firebox.
Minimum Wall and Ceiling
Clearances (see Figure 4)
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.
Left and
Right
Sides
16"
Figure 4 - Minimum Clearance to Wall and
Ceiling
Ceiling
42"
Front Rear
28"
21"
34"
24"
42"
Continued

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