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CERTIFICATIONSTÛV 21
.1 SAFETY INSTRUCTIONS
1. It is essential that the installation of
this Stûv be carried out by a qualified
professional. For all applicable regulatory
requirements, contact the local fire
department before beginning work.
2. The instructions for the installation of this
unit comply with the abovementioned
standards. They must be closely followed
to eliminate the risk of serious problems.
Any use contrary to the user manual is a
violation of federal law.
3. Improper installation of this Stûv unit
could result in a fire. To reduce the risk of
fire, follow the installation instructions to
the letter. Failure to follow the instructions
in this manual may result in property
damage, bodily injury or death.
4. This unit requires periodic inspection
and maintenance for proper operation
(minimum three times during the heating
season).
5. Any modifications made to this unit may
pose a hazard and will void the warranty.
Should repairs be necessary, use only Stûv
replacement parts.
6. Combustible materials such as firewood,
wet clothing, etc. placed too close to the
unit could catch fire.
7. We recommend storing solid fuels in a
clean, dry environment. Do not place this
type of fuel within the risk area or in the
loading/ash removal area.
8. Never use the fireplace with the door open
unless it is equipped with a firescreen
(available as an option).
9. Never leave the fireplace unattended
when the door is open.
10. Always close the door after the ignition
period.
11. Do not burn garbage, plastic, petroleum-
based materials, gasoline, rubber,
industrial solvents, flammable liquids
such as naphtha and motor oil, paper,
cardboard, wood extracted from salt
water and dried, painted wood or any
substance that emit dense fumes and
strong odours.
12. Make sure the home is equipped with a
smoke and carbon monoxide detector.
13. Do not connect this appliance to a
chimney flue serving another appliance.
14. This unit is hot when in use. Keep children,
clothing and furniture at a safe distance.
Touching the appliance while it is in
operation may cause burns.
15. Some parts of the fireplace can be very
hot when operated at rated capacity.
16. Do not allow the fireplace to heat to the
point where parts become red.
17. Do not use a grate or other methods to
elevate the fuel. Burn firewood directly on
the firebricks.
18. Do not overheat the unit. Attempting to
exceed the single burn rate of this unit
may permanently damage it.
19. Conduct regular maintenance of the
fireplace as previously recommended.
20. Never use chemicals or other liquids such
as gasoline, gasoline-based lantern fuel,
kerosene, charcoal liquid, or similar liquids
to start or feed a fire in the fireplace. Keep
all such liquids away from the unit while it is
in operation.
21. Do not install this unit in a mobile home.
22. The air inlets and outlets must remain free
of obstacles at all times.
23. The installation of the unit must comply
with all local and national regulations.
24. Inspect and sweep the chimney frequently.
In certain operating conditions, creosote
can build up quickly. Inspect and repair the
insert to ensure proper operation.
25. Objects placed in front of the unit must be
kept at a distance of at least 48" (4’) from
the unit’s glass face.
CAUTION
!
DOUBLE FACE 21-85 DF 21-95 DF 21-125 DF
Maximum power BTU 48 000 55 000 60 000
Performance 72% < 70% < 70%
Fines particule emission
EPA Not applicable for decorative wood burning fireplaces
Max log length 24" 28" 40"
Weight 752 lbs 855 lbs 960 lbs
Combustion chamber volume 6.47 pi
3
8.4 pi
3
10.61 pi
3
Wood consumption⁄H 13-15 lbs 13-15 lbs 13-15 lbs
Maximum wood⁄H concomption
(to avoid overheating)
28 lbs 28 lbs 28 lbs
Fuel WOOD
SIMPLE FACE 21-85 SF 21-95 SF 21-105 SF 21-125 SF
Maximum power BTU 48 000 55 000 48 000 60 000
Performance 77% < 70% 77% < 70%
Fines particule emission
EPA Not applicable for decorative wood burning fireplaces
Max log length 24" 28" 32" 40"
Weight 665 lbs 820 lbs 688 lbs 892 lbs
Combustion chamber volume 4.77 pi
3
6.58 pi
3
5.28 pi
3
8.38 pi
3
Wood consumption⁄H 12-14 lbs 13-15 lbs 12-14 lbs 13-15 lbs
Maximum wood⁄H concomption
(to avoid overheating)
26 lbs 28 lbs 26 lbs 28 lbs
Fuel WOOD
.2 TECHNICAL SPECIFICATIONS
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