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104416
UNVENTED NATURAL GAS LOG HEATER
DESA INTERNATIONAL
1. This appliance is only for use with the
type of gas indicated on the rating plate.
This appliance is not convertible for use
with other gases.
2. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do
not use any phone in your building
• immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions
SAFETY
INFORMATION
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early
signs of carbon monoxide poisoning re-
semble the flu, with headaches, dizziness,
or nausea. If you have these signs, the heater
may not be working properly. Get fresh air
at once! Have heater serviced. Some people
are more affected by carbon monoxide than
others. These include pregnant women,
people with heart or lung disease or anemia,
those under the influence of alcohol, and
those at high altitudes.
Natural Gas: Natural gas is odorless. An
odor-making agent is added to the gas. The
odor helps you detect a gas leak. However,
the odor added to the gas can fade. Gas may
be present even though no odor exists.
Make certain you read and understand all
Warnings. Keep this manual for reference.
It is your guide to safe and proper operation
of this heater.
WARNINGS
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, oper-
ate, or service this heater. Im-
proper use of this heater can cause
serious injury or death from burns,
fire, explosion, electrical shock,
and carbon monoxide poisoning.
WARNING: Any change to
this heater or its controls can be
dangerous.
• if you cannot reach your gas supplier,
call the fire department
3. This heater shall not be installed in a
bedroom or bathroom unless installed
as a vented appliance (see Installing
Damper Clamp Accessory for Vented
Operation, page 10).
4. Never install the heater
• 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
5. Before installing in a solid fuel burn-
ing fireplace, the chimney flue and fire-
box must be cleaned of soot, creosote,
ashes and loose paint by a qualified
chimney cleaner. Creosote will ignite
if highly heated. Inspect chimney flue
for damage. If damaged, operate heater
with flue damper closed.
6. If fireplace has glass doors, never op-
erate this heater with glass doors closed.
If you operate heater with doors closed,
heat buildup inside fireplace will cause
glass to burst. Also if fireplace open-
ing has vents at the bottom, you must
open the vents before operating heater.
7. You must operate this heater with a fire-
place screen in place. Make sure fireplace
screen is closed before running heater.
8. This log heater is designed to be smoke-
less. If logs ever appear to smoke, turn
off heater and call a qualified service
person.
Note:
During initial operation,
slight smoking may occur due to log
curing and heater burning manufactur-
ing residues.
9. To prevent the creation of soot, follow
the instructions in Cleaning and Main-
tenance, page 18.
10. Do not allow fans to blow directly into
the fireplace. Avoid any drafts that al-
ter burner flame patterns. Ceiling fans
may create drafts that alter burner flame
patterns. Altered burner patterns can
cause sooting.
11. Before using furniture polish, wax, car-
pet cleaner, or similar products, turn
heater off. If heated, the vapors from
these products may create a white pow-
der residue within burner box or on
adjacent walls or furniture.
12. Do not use a blower insert, heat ex-
changer insert or other accessory not
approved for use with this heater.
13. This heater needs fresh, outside air ven-
tilation to run properly. This heater has
an oxygen depletion sensor (ODS) pi-
lot light safety system. The ODS shuts
down the heater if not enough fresh air
is available. See Air for Combustion
and Ventilation, pages 4 through 6. If
heater keeps shutting off, see Trouble-
shooting, pages 19 through 21.
14. Do not run heater
• where flammable liquids or vapors
are used or stored
• under dusty conditions
15. Do not use this heater to cook food or
burn paper or other objects.
16. Never place any objects on the heater.
17. Heater base assembly becomes very hot
when running heater. Keep children and
adults away from hot surface to avoid
burns or clothing ignition. Heater will
remain hot for a time after shutdown.
Allow surface to cool before touching.
18. Carefully supervise young children
when they are in the room with heater.
When using the hand-held remote ac-
cessory, keep selector switch in the
OFF position to prevent children from
turning on burners with hand-held re-
mote control unit.
19. Do not use heater if any part has been
exposed to or under water. Immediately
call a qualified service technician to in-
spect the room heater and to replace any
part of the control system and any gas
control which has been under water.
20. Do not operate heater if any log is bro-
ken. Do not operate heater if a log is
chipped (dime-sized or larger).
21. Turn heater off and let cool before ser-
vicing, installing, or repairing. When us-
ing the hand-held remote accessory, make
sure the selector switch is in the OFF
position. Only a qualified service person
should install, service, or repair heater.
22. When using the hand-held remote acces-
sory, make sure the selector switch is in
the OFF position when you are away
from home for long periods of time.
23. This heater must not be connected to
any external electrical source.
24. Operating heater above elevations of
4,500 feet may cause pilot outage.