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107100
VENT-FREE PROPANE/LP HEATER
For more information, visit www.desatech.com
LOCAL CODES
Install and use heater with care. Follow all
local codes. In the absence of local codes, use
the latest edition of The National Fuel Gas
Code, ANS Z223.1, also known as NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
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. Do not place propane/LP supply tank(s)
inside any structure. Locate propane/
LP supply tank(s) outdoors.
3. 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
• if you cannot reach your gas supplier,
call the fire department
DANGER: Carbon monoxide
poisoning may lead to death!
SAFETY
INFORMATION
Carbon Monoxide Poisoning: Early signs
of carbon monoxide poisoning resemble
the flu, with headaches, dizziness, or nau-
sea. 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 ane-
mia, those under the influence of alcohol,
and those at high altitudes.
Propane/LP Gas: Propane/LP gas is odor-
less. An odor-making agent is added to pro-
pane/LP gas. The odor helps you detect a
propane/LP gas leak. However, the odor added
to propane/LP gas can fade. Propane/LP 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.
4. This heater shall not be installed in a
bedroom or bathroom.
5. This heater needs fresh, outside air ven-
tilation to run properly. This heater has
an Oxygen Depletion Sensing (ODS)
safety shutoff system. The ODS shuts
down the heater if not enough fresh air
is available. See Air for Combustion
and Ventilation, pages 5 through 7.
6. If heater shuts off, do not relight until
you provide fresh, outside air. If heater
keeps shutting off, have it serviced.
7. To prevent the creation of soot, follow
the instructions in Cleaning and Main-
tenance, page 16.
8. 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.
9. Do not run heater
• where flammable liquids or vapors
are used or stored.
• under dusty conditions.
10. Do not use heater if any part has been
under water. Immediately call a quali-
fied service technician to inspect the
room heater and to replace any part of
the control system and any gas control
which has been under water.
11. Turn off and unplug heater and let cool
before servicing. Only a qualified service
person should service and repair heater.
12. Operating heater above elevations of
4,500 feet may cause pilot outage.
13. To prevent performance problems, do
not use propane/LP fuel tank of less
than 100 lbs. capacity.
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.
WARNING: Do not use a
blower insert, heat exchanger
insert, or other accessory not
approved for use with this heater.
WARNING: Do not allow fans
to blow directly into the heater.
Avoid any drafts that alter burner
flame patterns. Ceiling fans can
create drafts that alter burner
flame patterns. Altered burner
patterns can cause sooting.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
Carefully supervise young chil-
dren when they are in same room
with heater.
Keep the appliance area clear and
free from combustible materials,
gasoline, and other flammable
vapors and liquids.
Due to high temperatures, the
appliance should be located out
of traffic and away from furniture
and draperies.
Surface of heater becomes very
hot when running heater. Keep
children and adults away from
hot surfaces to avoid burns or
clothing ignition. Fireplace will
remain hot for a time after shut-
down. Allow surfaces to cool be-
fore touching.
Make sure screen is in place be-
fore running heater.