Century Heating S250 User manual

46231_UA
2022-09-19
ENGLISH
READ AND KEEP THIS GUIDE FOR REFERENCE
Printed in Canada
CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION
REQUIREMENTS IN LOCAL AREA.
READ THIS ENTIRE GUIDE BEFORE INSTALLATION AND USE OF THIS WOOD STOVE. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY OR EVEN DEATH.
Wood Stove
Owner's Manual
Part 1 of 2
SAFETY NOTIFICATIONS
AND GENERAL INFORMATION

As one of North America’s
largest and most respected
wood stove and fireplace
manufacturers, Stove Builder
International takes pride in the
quality and performance of all
its products.
The following pages provide
general advice on wood
heating, detailed instructions
for safe and effective
installation, and guidance
on how to get the best
performance from this stove.
It is highly recommended
that this wood burning hearth
product be installed and
serviced by professionals who
are certified by a «Qualified
Agency» such as NFI (National
Fireplace Institute®) or CSIA
(Chimney Safety Institute of
America) in the United States
and in Canada by WETT
(Wood Energy Technology
Transfer) or in Quebec
by APC (Association des
Professionnels du Chauffage).
Contact local building or fire
officials about restrictions
and installation inspection
requirements in your local
area.
A building permit might be
required for the installation of
this stove and the chimney
that it is connected to. It is
also highly recommended to
inform your home insurance
company.
Please read this entire manual
before installing and using this
stove.
A primary alternative heat
source should be available in
the home. This heating unit
may serve as a supplementary
heat source. The manufacturer
cannot be responsible for
additional heating costs
associated with the use of an
alternative heat source.
THANK YOU FOR CHOOSING
THIS WOOD STOVE.
If this stove is not
installed properly,
combustible materials
near it may overheat
and catch fire.
To reduce the
risk of fire, follow
the installation
instructions in this
manual.

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TABLE DES MATIÈRES
1. Safety Information and Environment ..................................................................................... 5
1.1 Mobile Home........................................................................................................6
1.2 Regulations Covering Stove Installation..................................................................6
1.3 Location of the Certification Label .........................................................................6
1.4 Emissions and Efficiency.......................................................................................7
1.5 Materials..............................................................................................................7
2. Fuel .......................................................................................................................................... 8
2.1 Tree Species ........................................................................................................8
2.2 Log Length ..........................................................................................................9
2.3 Piece Size............................................................................................................9
2.4 Compressed Wood Logs.......................................................................................9
2.5 Drying Time .........................................................................................................9
3. Burning Wood Efficiently...................................................................................................... 10
3.1 First Use............................................................................................................10
3.2 Lighting Fires .....................................................................................................10
3.3 Zone Heating .....................................................................................................12
3.4 Combustion Cycles.............................................................................................12
3.5 Rekindling a Fire ................................................................................................13
3.6 Removing Ashes.................................................................................................13
3.7 Air Intake Control ...............................................................................................14
3.8 Fire Types ..........................................................................................................14
4. Maintenance.......................................................................................................................... 16
4.1 Heater ...............................................................................................................16
4.2 Refractory Materials and Baffle............................................................................16
4.3 Glass Door.........................................................................................................17
5. Operating the Stove.............................................................................................................. 17
5.1 Blower Operation ...............................................................................................18
5.2 The Use of a Fire Screen ....................................................................................18
5.3 Exhaust System .................................................................................................19
6. The Venting System .............................................................................................................. 20
6.1 General ............................................................................................................20
6.2 Suitable Chimneys..............................................................................................20
6.3 Factory-Built Metal Chimneys ..............................................................................21
6.4 Minimum Chimney Height....................................................................................22
6.5 Chimney Location...............................................................................................22
6.6 Supply of Combustion Air ...................................................................................23
6.7 Installing the Chimney Connector ........................................................................25

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1. Safety Information and Environment
• Some stoves have been tested for use with an open door in conjunction with a fire screen, sold
separately (See in the Wood Stove Installation and Operation Manual if your appliance has
this option). The door may be opened, or fire screen removed only during lighting procedures
or reloading. Always close the door or put back on the fire screen after ignition. Do not leave
the insert unattended when the door is open with or without a fire screen.
• WARNING : OPERATE ONLY WITH THE DOOR FULLY CLOSED OR FULLY OPEN
WITH THE FIRE SCREEN IN PLACE. IF THE DOOR IS LEFT PARTLY OPEN, GAS
AND FLAME MAY BE DRAWN OUT OF THE OPENING, CREATING RISKS FROM
BOTH FIRE AND SMOKE.
•
HOT WHILE IN OPERATION, KEEP CHILDREN, CLOTHING AND FURNITURE AWAY.
CONTACT MAY CAUSE SKIN BURNS. GLOVES MAY BE NEEDED FOR THE STOVE
OPERATION.
•
Using a stove with cracked or broken components, such as glass, firebricks or baffle may
produce an unsafe condition and may damage the stove.
• Open the air control fully before opening the loading door.
•
NEVER USE GASOLINE, LANTERN FUEL (NAPHTHA), FUEL OIL, MOTOR OIL, KEROSENE,
CHARCOAL LIGHTER FLUID, OR SIMILAR LIQUIDS OR AEROSOLS TO START A FIRE IN
THIS STOVE. KEEP ALL SUCH LIQUIDS OR AEROSOLS WELL AWAY FROM THE STOVE
WHILE IT IS IN USE.
• Do not store fuel within heater minimum installation clearances.
• Burn only seasoned natural firewood.
•
This appliance should always be maintained and operated in accordance with these instructions.
• Do not elevate the fire by using a grate.
• Do not use makeshift materials or make any compromises when installing this appliance.
• This wood heater needs periodic inspection and repairs for the proper operation. It is against
federal regulations to operate this wood heater in a manner inconsistent with operating instructions
in this guide.
• A smoke detector, a carbon monoxide detector and a fire extinguisher should be installed in
the house. The location of the fire extinguisher should be known by all family members.
This product can expose you to chemicals including carbon monoxide, which is
known to the State of California to cause cancer, birth defects or other reproductive
harm. For more information go to www.P65warnings.ca.gov/
• The information given on the certification label affixed to the appliance always overrides the
information published, in any other media (owner’s manual, catalogues, flyers, magazines and
web sites).
• Mixing of appliance components from different sources or modifying components may result in
hazardous conditions. Where any such changes are planned, Stove Builder International Inc.
Should be contacted in advance.

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• Any modification of the appliance that has not been approved in writing by the testing authority
violates CSA-B365 (Canada), and ANSI NFPA 211 (USA).
•
CAUTION: DO NOT CONNECT TO OR USE IN CONJUNCTION WITH ANY AIR DISTRIBUTION
DUCTWORK UNLESS SPECIFICALLY APPROVED FOR SUCH INSTALLATION.
•
CAUTION: DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER
APPLIANCE.
• Connect this stove only to a listed factory-built chimney for use with solid fuel or to a lined
masonry chimney conforming to national and local building codes.
• If required, a supply of combustion air shall be provided to the room.
•
This stove must be installed as a free-standing heater with the clearances listed in the
manufacturer's installation instructions. It is strictly forbidden to install this stove in a factory-
built fireplace.
1.1 Mobile Home
• Some appliances may be installed in a mobile home. The installation requires a fresh air kit,
sold separately.
• WARNING : DO NOT INSTALL IN THE SLEEPING ROOM OF A MOBILE HOME.
• IF INSTALLATION OF THIS PRODUCT IS PERMITTED IN A MOBILE HOME, IT MUST BE
SECURED TO THE STRUCTURE.
•
CAUTION : WHEN THE INSTALLATION IN A MOBILE HOME IS ACCEPTED, THE
STRUCTURAL INTEGRITY OF THE MOBILE HOME FLOOR, WALL, CEILING AND ROOF
MUST BE MAINTAINED.
•
IT IS PROHIBITED TO USE THIS WOOD STOVE WITH A FIRE SCREEN IN A MOBILE
HOME.

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1.2 Regulations Covering Stove Installation
When installed and operated as described in these instructions, this wood stove is suitable for
use as a freestanding heater in residential installations.
In Canada, the CSA-B365 Installation Code for Solid Fuel Burning Appliances and Equipment
and the CSA-C22.1 Canadian National Electrical Code are to be followed in the absence of local
code requirements. In the USA, the ANSI NFPA 211 Standard for Chimneys, Fireplaces, Vents
and Solid Fuel-Burning Appliances and the ANSI NFPA 70 National Electrical Code are to be
followed in the absence of local code requirements.
This stove must be connected to a chimney complying with the requirements for Type HT
chimneys in the Standard for Factory-Built Chimneys for Residential Type and Building Heating
Appliances, UL 103HT and ULC S629 or to a code-approved masonry chimney with a flue liner.
1.3 Location of the Certification Label
Since the information given on the certification label affixed to the appliance always overrides
the information published, in any other media (owner’s manual, catalogues, flyers, magazines
and web sites) it is important to refer to it in order to have a safe and compliant installation. In
addition, important information about the stove can be found (model, serial number, etc.). The
certification label is located on the back of the stove.
It is recommended to note the stove serial number on page 1 of the Wood Stove Installation and
Operation Manual since it will be needed to precisely identify the version of the appliance in the
event replacement parts or technical assistance is required.

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1.4 Emissions and Efficiency
The low smoke emissions produced by the special features inside this stove firebox mean that
the household will release up to 90% less smoke into the outside environment than if an older
conventional stove was used. But there is more to the emission control technologies than
protecting the environment.
The smoke released from wood when it is heated contains about half of the energy content of
the fuel. By burning the wood completely, this stove releases all the heat energy from the wood
instead of wasting it as smoke up the chimney. Also, the features inside the firebox allow control
of the air supply meaning controlling the heat output, while maintaining clean and efficient
flaming combustion, which boosts the efficient delivery of heat to the home.
The emission control and advanced combustion features of this stove can only work properly if
the fuel used is in the correct moisture content range of 15% to 20%. Refer to the Fuel Section
for suggestions on preparing fuelwood and judging its moisture.
1.5 Materials
The SBI team is committed to protecting the environment, so they do everything they can to use
only materials in their products that will have no lasting negative impact on the environment.
The body of this stove, which is most of its weight, is carbon steel. Should it ever become
necessary many years in the future, almost the entire stove can be recycled into new products,
thus eliminating the need to mine new materials.
The paint coating on the stove is very thin. Its VOC content (Volatile Organic Compounds) is
very low. VOCs can be responsible for smog, so all the paint used during the manufacturing
process meets the latest air quality requirements regarding VOC reduction or elimination.
The air tubes are stainless steel, which can also be recycled.
The baffle is made of aluminosilicate fibre material that is compressed with a binder to form
a rigid board. C-Cast or Vermiculite can withstand temperatures above 2,000 °F. It is not
considered hazardous waste. Disposal at a ecocenter is recommended.
The Grey firebrick is made of cement and pumice stone. Pumice stone is made from volcanic
rock. It is recommended to send it to the ecocenter.
The Yellow firebrick is mainly composed of silicon dioxide, also known as silica, a product
processed from a mined mineral. It is most commonly found in nature in the form of sand and
clay. Disposal at a ecocenter is recommended.
The door and glass gaskets are fibreglass which is spun from melted sand. Black gaskets have
been dipped into a solvent-free solution. Disposal at a ecocenter is recommended.
The door glass is a 5/32" (4 mm) thick ceramic material that contains no toxic chemicals. It is
made of natural raw materials such as sand and quartz that are combined in such a way to form
a high temperature glass. Ceramic glass cannot be recycled in the same way as normal glass,
so it should not be disposed of with your regular household products. Disposal at a ecocenter
is recommended.

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2. Fuel
Good firewood has been cut to the correct length for the stove, split to a range of sizes and
stacked in the open until its moisture content is down to 15% to 20%.
DO NOT BURN:
• COAL;
• GARBAGE;
• LAWN CLIPPINGS OR YARD WASTE;
• MATERIALS CONTAINING RUBBER, INCLUDING TIRES;
• MATERIALS CONTAINING PLASTIC;
• WASTE PETROLEUM PRODUCTS, PAINTS OR PAINT THINNERS, OR ASPHALT
PRODUCTS;
• MATERIALS CONTAINING ASBESTOS;
• CONSTRUCTION OR DEMOLITION DEBRIS;
• RAILROAD TIES OR PRESSURE-TREATED WOOD;
• MANURE OR ANIMAL REMAINS;
•
SALT WATER DRIFTWOOD OR OTHER PREVIOUSLY SALT WATER SATURATED
MATERIALS;
• UNSEASONED WOOD; OR
•
PAPER PRODUCTS, CARDBOARD, PLYWOOD, OR PARTICLE BOARD. THE
PROHIBITION AGAINST BURNING THESE MATERIALS DOES NOT PROHIBIT
THE USE OF FIRE STARTERS MADE FROM PAPER, CARDBOARD, SAW DUST,
WAX AND SIMILAR SUBSTANCES FOR THE PURPOSE OF STARTING A FIRE
IN AN AFFECTED WOOD HEATER.
•
BURNING THESE MATERIALS MAY RESULT IN THE RELEASE OF TOXIC FUMES
OR RENDER THE HEATER INEFFECTIVE AND CAUSE SMOKE.
2.1 Tree Species
The tree species the firewood is produced from is less important than its moisture content. The
main difference in firewood from various tree species is the density of the wood. Hardwoods are
denser than softwoods.
Homeowners with access to both hardwood and softwood use both types for different purposes.
Softer woods make good fuel for mild weather in spring and fall because they light quickly
and produce less heat. Softwoods are not as dense as hardwoods so a given volume of wood
contains less energy. Using softwoods avoids overheating the house, which can be a common
problem with wood heating in moderate weather. Harder woods are best for colder winter
weather when more heat and longer burn cycles are desirable.
Note that hardwood trees like oak, maple, ash and beech are slower growing and longer lived
than softer woods like poplar and birch. That makes hardwood trees more valuable. The advice
that only hardwoods are good to burn is outdated. Old, leaky cast iron stoves wouldn’t hold a

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fire overnight unless they were fed large pieces of hardwood. That is no longer true.
2.2 Log Length
Logs should be cut at least 1" (25 mm) shorter than the
firebox so they fit in easily. Pieces that are even slightly too
long makes loading the stove very difficult. The most common
standard length of firewood is 16" (400 mm).
2.3 Piece Size
Firewood dries more quickly when it is split. Large unsplit
rounds can take years to dry enough to burn. Even when dried,
unsplit logs are difficult to ignite because they don’t have the sharp edges where the
flames first catch.
Wood should be split to a range of sizes, from about 3" to 6" (75 mm to 150 mm) in
cross section. Having a range of sizes makes starting and rekindling fires much easier.
2.4 Compressed Wood Logs
Compressed wood logs made of 100% compressed sawdust
can be burned with caution in the number of these logs
burned at once. Do not burn compressed logs made of wax
impregnated sawdust or logs with any chemical additives.
Follow the manufacturer’s instructions and warnings.
2.5 Drying Time
Firewood that is not dry enough to
burn is the cause of most complaints
about wood burning appliances.
Continually burning green or
unseasoned wood produces more
creosote and involves lack of heat
and dirty glass door. Firewood
with a moisture content between
15% and 20% will allow the stove
to produce its highest possible
efficiency.

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Here are some facts to consider in estimating drying time:
− Firewood bought from a dealer is rarely dry enough to burn, so it is advisable to buy the wood
in spring and dry it yourself;
− Drying happens faster in dry weather than in a damp climate;
− Drying happens faster in warm summer weather than in winter weather;
− Small pieces dry more quickly than large pieces;
− Split pieces dry more quickly than unsplit rounds;
− Softwoods like pine, spruce, poplar, and aspen take less time to dry than hardwoods. they can
be dry enough to burn after being stacked to air dry only for the summer months;
− Hardwoods like oak, maple and ash can take one, or even two years to dry fully, especially if
the pieces are big;
− Firewood dries more quickly when stacked outside in a location exposed to sun and wind; it
takes much longer to dry when stacked in a wood shed;
Use these guidelines to find out if the firewood is dry enough to burn:
− Cracks form at the ends of logs as they dry;
−
The wood turns from white or cream colored to grey or yellow;
− Two pieces of wood struck together sounds hollow;
− Dry wood is much lighter in weight than wet wood,
− The face of a fresh cut feels warm and dry;
−
The moisture content read by a moisture meter is between
15% to 20%.
3. Burning Wood Efficiently
3.1 First Use
Two things happen when burning the first few fires; the paint cures and the internal components are
conditioned. As the paint cures, some of the chemicals vaporize. The vapors are not poisonous, but
they smell bad. Fresh paint fumes can also trigger false alarms in smoke detectors. When lighting
the heater for the first few times, it may be wise to open doors and windows to ventilate the house.
Burn two or three small fires to begin the curing and conditioning process. Then build bigger and
hotter fires until there is no longer paint smell from the stove. As hotter and hotter fires are burned,
more of the painted surfaces reach the curing temperature of the paint. The smell of curing paint
does not disappear until one or two very hot fires have been burned.
3.2 Lighting Fires
Each person heating with wood develops its own favorite way to light fires. Regardless of the method
chosen, the goal should be to have a hot fire burning, quickly. A fire that ignites fast produces less
smoke and deposits less creosote in the chimney.
Never use gasoline, gasoline-type lantern fuel (naphtha), fuel oil, motor oil,
kerosene, charcoal lighter fluid, or similar liquids or aerosols to start or
‘freshen up’ a fire in this wood stove. Keep all such liquids well away from
the stove while it is in use.

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Here are three popular and effective ways to ignite wood fires.
3.2.1 Conventional Method
The conventional method to build a wood fire is to crumple
5 to 10 sheets of newspaper and place them in the firebox
and hold them in place with ten pieces of kindling wood. The
kindling should be placed on and behind the newspaper.
Then add two or three small pieces of firewood. Open the air
intake control completely and ignite the newspaper. Leave the
door slightly ajar.
Once the fire has ignited, the door can be closed with the air
control still fully open. When the kindling is almost completely
burned, standard firewood pieces can be added.
Do not leave the heater unattended when the door is
slightly open. Always close and latch the door after the
fire ignites.
3.2.2 The Top Down Method
This method is the opposite of the conventional method and only works properly if well-seasoned
wood is used.
Place three or four small, split, dry logs in the firebox. Arrange the kindling wood on the logs in
two layers at right angles and place a dozen finely split kindling on the second row.
It is possible to use ragged paper but it may not hold in place since it tends to roll while it is
burning. The best is to wrap a sheet on itself, grab the ends of the roll and make a knot. Use
four or five sheets of paper tied together and put them on top and around the kindling. Open the
air intake control completely, ignite the paper and close the door.
The top down fire method has two advantages over the traditional method: first, the
fire does not collapse on itself, and it is not necessary to add wood gradually since
the combustion chamber is full before the fire is lit.
3.2.3 Two Parallel Logs Method
Two spit logs are placed in the firebox with a few sheets of twisted newspapers in between the
logs. Fine kindling is added across the two logs and some larger kindling across those, log cabin
style. Newspaper is lit.
3.2.4 Using Fire Starters
Commercial fire starters can be used instead of a newspaper. Some of these starters are made
of sawdust and wax and others are made of specialized flammable solid chemicals. Always
follow the package directions when using. Gel starters can also be used, but only to light a fire,
in a cold combustion chamber without hot embers inside.

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3.3 Zone Heating
This stove is a space heater, which means it is intended to heat the area it is installed in, as well
as spaces that connect to that area, although to a lower temperature. This is called zone heating
and it is an increasingly popular way to heat homes or spaces within homes.
Zone heating can be used to supplement another heating system by heating a particular space
within a home, such as a basement, a family room or an addition that lacks another heat source.
Houses of moderate size and relatively new construction can be heated with a properly sized
and located wood stove. Whole house zone heating works best when the stove is in the part of
the house where the family spends most of its time. This is normally the main living area where
the kitchen, dining and living rooms are located.
Locating the stove in this area will give the maximum benefit of the heat it produces and will
achieve the highest possible heating efficiency and comfort. The space where the most time is
spent will be warmest, while bedrooms and basement (if there is one) will stay cooler. In this
way, less wood is burnt than with other forms of heating.
Although the stove may be able to heat the main living areas of the house to an adequate
temperature, it is strongly recommended to also have a conventional oil, gas or electric heating
system to provide backup heating.
The success of zone heating will depend on several factors, including the correct sizing and
location of the stove, the size, layout and age of your home and your climate zone. Three-season
vacation homes can usually be heated with smaller stoves than houses that are heated all winter.
3.4 Combustion Cycles
Wood heating with a space heater is very different than other forms of heating. There will be
temperature variations in different parts of the house and there will be temperature variations
throughout day and night. This is normal, and for experienced wood burners these are advantages
of zone heating wood burning.
Wood heaters don’t have a steady heat output. It is normal for the temperature to rise after
a new load of wood is ignited and for its temperature to gradually decrease throughout the
burning cycle. This increasing and decreasing temperature can be matched with the household
routines. For example, the temperature in the area can be cooler when the household is active,
and it can be warmer when it is inactive.
Wood burns best in cycles. A cycle starts when a new load of wood is ignited by hot coals and
ends when that load has been consumed down to a bed of charcoal about the same size as it
was when the wood was loaded.
Trying to produce a steady heat output by placing a single log on the fire at regular intervals
is not recommended. Always place at least three, and preferably more pieces on the fire at a
time so that the heat radiated from one piece helps to ignite the pieces next to it. Each load of
wood should provide several hours of heating. The size of each load may vary depending on the
amount of heat required.

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Burning in cycles means the loading door does not need to be opened while the wood is flaming.
This is an advantage since it is preventing smoke leaking from the heater when the door is
opened as a full fire is burning. This is especially true if the chimney is on the outside wall of
the house.
3.5 Rekindling a Fire
When the temperature of the room is lower and all that remains is embers, it is time to reload.
Remove excess ash from the front of the firebox and bring the ashes forward. Place a new load
of wood on, and at the back of the embers. Open the air control completely and close the door.
Raking the coals is useful for two reasons. First, it brings them near where most of the combustion
air enters the firebox. This will ignite the new load quickly. Secondly, the charcoal will not be
smothered by the new load of wood. When the embers are simply spread inside the combustion
chamber, the new load smoulder for a long time before igniting.
Close the air control only when the firebox is full of bright turbulent flames, the wood is charred,
and its edges are glowing.
The heater should not be left unattended during ignition and the fire should not burn at full
intensity for more than a few minutes.
When lighting a new load, the appliance produces a heat surge. This heat surge is pleasant when
the room temperature is cool but can be unpleasant when the room is already warm. Therefore,
it is best to let each load of wood burn completely so that the room cools down before putting
a load of wood back on.
3.6 Removing Ashes
Ash should be removed from the firebox every two to three days of full time heating. Ash
should not accumulate excessively in the firebox since it will affect the proper operation of the
appliance. The best time to remove ash is in the morning, after an overnight fire when the heater
is relatively cold, but there is still a little chimney draft to draw the ash dust into the heater and
prevent going out into the room.
Ashes almost always contain live embers that can stay hot for days and which release carbon
monoxide gas. Ashes should be placed in a tightly covered metal container. The container must
be placed on a non-combustible floor or on the ground well away from all combustible materials.
If the door must be opened while the fire is flaming, fully open air control for a few minutes
then open the door slowly.

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If the ashes are disposed of by burial in soil or otherwise locally dispersed, they should be kept
in a closed metal container until they are completely cooled. No other waste should be placed
in this container.
3.7 Air Intake Control
Once the firewood, firebox and chimney are hot, air intake can be reduced to achieve a steady
burn.
As the air intake is reduced, the burn rate decreases.
This has the effect of distributing the thermal energy
of the fuel over a longer period of time. In addition,
the flow rate of exhaust through the appliance and flue
pipe slows down, which increases the duration of the
energy transfer of the exhaust gases. As the air intake
is reduced, the flame slows down.
If the flames diminish to the point of disappearing, the
air intake has been reduced too early in the combustion
cycle or the wood used is too wet. If the wood is dry
and the air control is used properly, the flames should
decrease, but remain bright and stable.
On the other hand, too much air can make the fire
uncontrollable, creating very high temperatures in the unit
as well as in the chimney and seriously damaging them. A
reddish glow on the unit and on the chimney components
indicates overheating. Excessive temperatures can cause
a chimney fire.
The images shown are for guidance only and
may differ from your product, but the operation
remains the same. See the EPA Loading
Section of the Wood Stove Installation and
Operation Manual for a specific overview of
the air control of your appliance.
3.8 Fire Types
Using the air intake control is not the only way to match the appliance heat output to the desired
temperature in the house. A house will need far less heating in October than in January to
maintain a comfortable temperature. Filling the firebox full in fall weather will overheat the space.
Otherwise, the combustion rate will have to be reduced to a minimum and the fire will be smoky
and inefficient. Here are some suggestions for building fires suitable for different heating needs.
The method used to certify your appliance according to EPA Standards is presented in the EPA
Loading Section of the Wood Stove Installation and Operation Manual of your appliance.
3.8.1 Flash Fire
To build a small fire that will produce a low heat output, use small pieces of firewood and load
them crisscross in the firebox. The pieces should only be 3» to 4» in diameter. After raking the
coals, lay two pieces parallel to each other diagonally in the firebox and lay two more across
them in the other direction. Open the air control fully and only reduce the air after the wood
is fully flaming. This kind of fire is good for mild weather and should provide enough heat for
NEVER STORE ASHES INDOORS OR IN A NON-METALLIC
CONTAINER OR ON A WOODEN DECK.
CENDRES
ASHES

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up to four hours. Small fires like this are a good time to use softer wood species and avoid
overheating the house.
3.8.2 Long Lasting Fire
For a fire that will last up to eight hours but will not produce intense heat, use soft wood and
place the logs compactly in the firebox. Before reducing the air intake, the load will have to burn
at full heat for long enough for charring the surface of the logs. The flame must be bright before
letting the fire burn by itself.
3.8.3 High Output Fires
When heating needs are high during cold weather, the fire should burn steadily and brightly. This
is the time to use larger pieces of hardwood. Place the biggest pieces at the back of the firebox
and place the rest of the pieces compactly. A densely built fire like this will produce the longest
combustion this stove is capable of.
Special attention must be paid when building fires like this since if the air intake is reduced too
quickly, the fire could smoulder. The wood must be flaming brightly before leaving the fire to
burn.
3.8.4 Burn Cycle Time
The burn cycle time is the period between loading wood on a coal bed and the consumption of
that wood back to a coal bed of the same size. The flaming phase of the fire lasts for roughly
the first half of the burn cycle and the second half is the coal bed phase during which there is
little or no flame. The burning time expected from this stove, including both phases, will vary
depending on a number of things, such as:
− firebox size,
− the amount of wood loaded,
− the species of wood,
− the wood moisture content,
− the size of the space to be heated,
− the climate zone where the house is, and
− the time of the year.
The table below gives an approximate maximum burn cycle time, based on firebox volume.
Table 1 : Approximate Maximum Burn Cycle Time
FIREBOX VOLUME MAXIMUM BURN CYCLE TIME
<1.5 cubic feet 3 to 5 hours
1.5 c.f. to 2.0 c.f 5 to 6 hours
2.0 c.f. to 2.5 c.f. 6 to 8 hours
2.5 c.f. to 3.0 c.f. 8 to 9 hours
>3.0 c.f. 9 to 10 hours
A longer burning time is not necessarily an indication of efficient operation. It is preferable to
build a smaller fire that will provide three or four hours of heating than to fully load the firebox
for a much longer burn. Shorter burn cycles make it easier to match the heat output of the stove
to heat demand for the space.

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3.8.5 Logs Orientation
In a relatively square firebox, the wood can be loaded north-south (ends of the logs visible) or
east-west (sides of the logs visible).
North-south loads allow more wood to be loaded at the same time. On the other hand, they
break into smaller pieces faster. North-south loading is good for high output, long lasting fires
for cold weather.
East-west loads allow a limited amount of wood since too many logs could cause them to fall
on the glass. East-west loads, placed in a compact way, take a long time before breaking down.
They are excellent for low-intensity, long-lasting fires in relatively mild weather.
3.8.6 Carbon Monoxide
When unburned logs remain in the firebox and the flame disappears, go outside and look at the
chimney exit. If there is visible smoke, it means that there is still combustible to burn but that
the fire lacks air to burn properly. In this situation, the CO rate will increase so it is important to
react. Open the door slightly and move the log with a poker. Turn it over and create a passage
for the air below, making a trench with the coal bed. Add small pieces of wood to restart the
combustion.
4. Maintenance
This heater will give many years of reliable service if used and maintained properly. Internal
components of the firebox such as firebricks or refractory panels, baffle and air tubes will wear
over time. Defective parts should always be replaced with original parts (see « Exploded diagram
and parts list » in the Wood Stove Installation and Operation Manual).
To avoid premature deterioration, follow the lighting and reloading procedures in section
"3. Burning Wood Efficiently" and also avoid letting the heater run with the air intake fully open
for entire burn cycles.
4.1 Heater
4.1.1 Cleaning and Painting
Painted and plated surfaces can be wiped down with a soft, damp cloth. If the paint is scratched
or damaged, it is possible to repaint the heater with a heat-resistant paint (see « Exploded
diagram and parts list » in the Wood Stove Installation and Operation Manual). Do not clean or
paint the appliance when it is hot. Before painting, the surface should be sanded lightly with
sandpaper and then wiped off to remove dust. Apply two thin layers of paint.
4.2 Refractory Materials and Baffle
Inspect the firebricks or the refractory panels and the baffle for damage periodically and replace
anything that is broken.
Operation of the heater with a cracked or missing baffle may cause unsafe temperatures
and hazardous conditions and will void the warranty.

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4.3 Glass Door
4.3.1 Cleaning
Under normal conditions, the door glass should stay relatively clear. If the firewood is dry enough
and the operating instructions in this guide are followed, a whitish, dusty deposit will form on the
inner surface of the glass after a week or so of use. This is normal and can be easily removed
when the heater is cold by wiping with a damp cloth or paper towel and then drying.
When the stove runs at a low combustion rate, light brown stains may form, especially in the
lower corners of the glass. This indicates that the fire has been smoky and some of the smoke
has condensed on the glass. It also indicates incomplete combustion of the wood, which also
means more smoke emissions and faster formation of creosote in the chimney.
The deposits that form on the glass are the best indication of the fuel quality and success in
properly using the stove. These stains can be cleaned with a special wood stove glass cleaner.
Do not use abrasive products to clean the glass.
The goal should be having a clear glass with no brown stains. If brown stains appear regularly on
the glass, something about the fuel or the operating procedure needs to be changed. When brown
streaks are coming from the edge of the glass, it is time to replace the gasket around the glass.
The glass gasket should be self-adhesive. Always replace the gasket with a genuine one.
4.3.2 Replacement
In case of breakage or change of wearing parts, refer to the Wood Stove Installation and Operation
Manual.
5. Operating the Stove
This wood heater has a manufacturer-set minimum low burn rate that must not be altered. It
is against federal regulations to alter this setting or otherwise operate this wood heater in a
manner inconsistent with operating instructions in this guide.
• Before using the stove, a pedestal base or leg kit must be installed under the product, if this
is not already the case. Refer to the Wood Stove Installation and Operation Manual.
• The installation of the options is optional, see the Wood Stove Installation and Operation
Manual for the available options and their installation.
Do not clean the glass when the stove is hot.
Do not abuse the glass door by striking or slamming shut.
Do not use the stove if the glass is broken.

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5.1 Blower Operation
It is possible, on wood stoves, to install a fan (depending
on your product, it could be included or sold separately).
See the Exploded View and Parts List in the Wood Stove
Installation and Operation Manual for the original part
number.
The blower is installed on the back of the stove to increase
the airflow through the heat exchanger and improve hot air
circulation in the room. When used regularly, the blower can
provide a small increase in efficiency, up to 2%. However,
the use of a blower should not be used as a way to gain
more output from a stove that is undersized for the space
it is intended to heat.
Figure 1: Air flow with a blower
The blower has a rheostat that can be adjusted in three
different positions; either from high (HI) to low (LO) or closed
(OFF).
Allow the stove to reach operating temperature (approximately
one hour) before turning on the blower, since increased
airflow from the blower will remove heat and affect the start
up combustion efficiency.
It is possible to add a heat sensor, sold separately, to
the blower. When the blower is ON, the blower will start
automatically when the stove is hot enough and it will stop
when the stove has cooled down. Therefore, you can leave
the blower speed control at the desired setting.
OFF
HI
LO
Figure 2: Blower operation
5.2 The Use of a Fire Screen
Some stoves have been tested for use with an open door in conjunction with a fire screen (In
the United States or in provinces with a particulate matter emission rate limit (e.g. US EPA),
the use of wood stoves with door open with a fire screen is prohibited), this option is sold
separately (to confirm that your product has been tested with it, please refer to the Wood Stove
Installation and Operation Manual). If applicable on your model, the fire screen must be properly
secured on the stove to avoid any risk of sparks damaging the flooring. When the fire screen is
in use, do not leave the stove unattended to respond promptly in the event of smoke spillage
into the room. Potential causes of smoke spillage are described in Section "The venting system"
of this guide. See "Optional Fire Screen Installation" in the Wood Stove Installation and Operation
Manual for specifications about installation instructions.
OPERATING THE STOVE WITH A FIRE SCREEN INCREASES POSSIBILITIES OF
GENERATING CARBON MONOXIDE. CARBON MONOXIDE IS AN ODOURLESS GAS THAT
IS HIGHLY TOXIC WHICH CAN CAUSE DEATH AT HIGH CONCENTRATION IN AIR.
Ensure the blower cord is not in contact
with any surface of the stove to prevent
electrical shock or fire damage. Do not run
cord beneath the stove.

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5.3 Exhaust System
Wood smoke can condense inside the chimney, forming a inflammable deposit called creosote.
If creosote builds up in the system, it can ignite when a hot fire is burned in the stove. A very
hot fire can progress to the top of the chimney. Severe chimney fires can damage even the best
chimneys. Smouldering, smoky fires can quickly cause a thick layer of creosote to form. When
the stove is operated properly, the exhaust from the chimney is mostly clear and creosote builds
up more slowly.
«Creosote - Formation and Need to Removal
When wood is burned slowly, it produces tar and other organic vapors, which combine with
expelled moisture to form creosote. The creosote vapors condense in the relatively cooler
chimney flue of a slow-burning fire. As a result, creosote residue accumulates on the flue
lining. When ignited this creosote makes an extremely hot fire.
The chimney connector and chimney should be inspected at least once every two months
during the heating season to determine if a creosote buildup has occurred.
If a significant layer of creosote has accumulated (ǩ" [3mm] or more) it should be removed
to reduce the risk of a chimney fire.»
5.3.1 Cleaning Frequency
It is not possible to predict how much or how quickly creosote will form in the chimney. It is
important, therefore, to check the build-up in the chimney monthly until the rate of creosote
formation is determined. Even if creosote forms slowly in the system, the chimney should be
cleaned and inspected at least once each year.
Establish a routine for the fuel, wood stove and firing technique. Check daily for creosote
build-up until experience shows how often you need to clean to be safe. Be aware that
the hotter the fire the less creosote is deposited, and weekly cleaning may be necessary in mild
weather even though monthly cleaning may be enough in the coldest months.
Contact your local municipal or provincial fire authority for information on how to handle a
chimney fire. Have a clearly understood plan to handle a chimney fire.
5.3.2 Sweeping the Chimney
Chimney sweeping can be a difficult and dangerous job.
People with no chimney sweeping experience will often
prefer to hire a professional chimney sweep to inspect
and clean the system for the first time. After seeing the
cleaning process, some will choose to do it themselves.
The chimney should be checked regularly for creosote
build-up. Inspection and cleaning of the chimney can
be facilitated by removing the baffle. See "Air Tubes and
Baffle Installation" in the Wood Stove Installation and
Operation Manual for more details.