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200198-01C4
3. This heater needs fresh air ventilation 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 7.
If heater keeps shutting off, see Trouble-
shooting, page 22.
4. Keep all air openings in front and bottom
of heater clear and free of debris. This will
ensure enough air for proper combustion.
5. If heater shuts off, do not relight until you
have provided fresh, outside air. If heater
keeps shutting off, have it serviced.
6. Do not run heater:
• Where ammable liquids or vapors are
used or stored.
• Under dusty conditions.
7. Before using furniture polish, wax, carpet
cleaner, or similar products, turn heater
off. If heated, the vapors from these prod-
ucts may create a white powder residue
within burner box or on adjacent walls or
furniture.
8. Do not use heater if any part has been
under water. Immediately call a qualied
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.
9. Turn off and unplug heater and let cool
before servicing. Only a qualied service
person should service and repair heater.
SAFETY
10. Operating heater above elevations of
4,500 feet could cause pilot outage.
11. To prevent performance problems, do not
use propane fuel tank of less than 100 lbs.
capacity.
12. Do not use this heater as a wood-burning
heater. Use only the logs provided with the
heater.
13. Solid fuels should not be burned in a
heater in which a vent-free log set is
installed. Do not use this heater to cook
food or burn paper or other objects.
14. To prevent sooting, follow the instructions
in Care and Maintenance, see page 20.
15. Do not add extra logs or ornaments such
as pine cones, vermiculite, or rock wool.
Using these added items can cause soot-
ing. Do not add lava rock around base.
Rock and debris could fall into the control
area of heater. After servicing, always
replace screen before operating heater.
16. This heater is designed to be smokeless. If
logs ever appear to smoke, turn off heater
and call a qualied service person.
Note: During initial operation, slight smok-
ing could occur due to log curing and the
heater burning manufacturing residues.
17. Do not use this heater if any log is broken.
Do not operate heater if a log is chipped
(dime-size or larger).
SPECIFICATIONS
Model QNSD250T
Gas Type Natural Gas Propane Gas
Maximum Input Rating 25,000 Btu/Hr 25,000 Btu/Hr
Minimum Input Rating 13,000 Btu/Hr 21,000 Btu/Hr
Ignition Electronic Piezo Electronic Piezo
Regulator Pressure Setting 4" W.C. 9" W.C.
Inlet Gas Pressure* (inches of water)
(*for purposes of input adjustment)
Maximum 9.5" Maximum 14"
Minimum 5" Minimum 11"
Heater Dimensions (HxWxD) •
25" × 33.5" × 13"
Carton Dimensions (HxWxD) •
24.8" × 34.25" × 13"
Stove Weight • 49.8 lbs
Shipping Weight • 60.4 lbs
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