Osburn CW2100 User manual

CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN
THE AREA.
READ THIS ENTIRE GUIDE BEFORE INSTALLATION AND USE OF THIS WOOD INSERT. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY OR EVEN DEATH.
READ AND KEEP THIS GUIDE FOR REFERENCE
Printed in Canada
2022-04-14
Wood Insert
Owner’s Manual
Part 1 of 2
SAFETY NOTIFICATIONS
AND GENERAL INFORMATION
46235A

ENGLISH
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 insert.
It is highly recommended
that this wood burning hearth
product be installed and
serviced by professionals who
are certified by NFI (National
Fireplace Institute®) or CSIA
(Chimney Safety Institude
of America) in the United
States or 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 the area.
A building permit might be
required for the installation of
this insert and the chimney
that it is connected to. It
is also recommended to
inform your home insurance
company.
Please read this entire guide
before installing and using this
insert.
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
analternative heat source.
THANK YOU FOR CHOOSING
THIS WOOD INSERT.
If this insert 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
guide.

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TABLE OF CONTENT
1. Safety Information and Environment ..................................................................................... 6
1.1 Regulations Covering Insert Installation ........................................................................ 7
1.2 Certification Label....................................................................................................... 7
1.3 Emissions and Efficiency ............................................................................................. 8
1.4 Materials .................................................................................................................... 8
2. Fuel .......................................................................................................................................... 9
2.1 Tree Species............................................................................................................... 9
2.2 Log Length................................................................................................................. 9
2.3 Piece Size .................................................................................................................10
2.4 Compressed Wood Logs ............................................................................................10
2.5 Drying Time...............................................................................................................10
3. Burning Wood Efciently ...................................................................................................... 11
3.1 First Use ...................................................................................................................11
3.2 Lighting Fires.............................................................................................................11
3.3 Zone Heating.............................................................................................................12
3.4 Combustion Cycles....................................................................................................13
3.5 Rekindling a Fire ........................................................................................................14
3.6 Removing Ashes........................................................................................................14
3.7 Air Intake Control.......................................................................................................15
3.8 Fire Types..................................................................................................................15
4. Maintenance.......................................................................................................................... 17
4.1 Wood Insert...............................................................................................................17
4.2 Glass Door ................................................................................................................17
5. Operating the Insert .............................................................................................................. 18
5.1 Blower ......................................................................................................................18
5.2 Fire Screen................................................................................................................19
5.3 Exhaust System.........................................................................................................19
6. Masonry Fireplace Requirements ........................................................................................ 20
6.1 Fireplace and Chimney Condition................................................................................20
6.2 Chimney Caps ...........................................................................................................21
6.3 Adjacent Combustibles ..............................................................................................21
6.4 Masonry Fireplace Throat Damper...............................................................................21
7. The Venting System .............................................................................................................. 21
7.1 General .....................................................................................................................21
7.2 Block-off Plate...........................................................................................................21
7.3 Suitable Chimneys .....................................................................................................22
7.4 Chimney Liner Installation...........................................................................................22
7.5 Liner Connection .......................................................................................................23
7.6 Minimum Chimney Height...........................................................................................24
7.7 Chimney Location ......................................................................................................24
7.8 Supply of Combustion Air...........................................................................................25

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1. Safety Information and Environment
• Some appliances have been tested for use with an open door in conjunction with a fire screen,
sold separately (See in the Wood Insert 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 INSERT OPERATION.
• Using an insert with cracked or broken components, such as glass, firebricks or baffle may produce
an unsafe condition and may damage the insert.
• 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 INSERT. KEEP ALL SUCH LIQUIDS OR AEROSOLS WELL AWAY FROM THE INSERT
WHILE IT IS IN USE.
• Do not store fuel within heater minimum installation clearances.
• Burn only seasoned natural firewood.
• This wood heater needs periodic inspection and repair for proper operation. It is against federal
regulations to operate this wood heater in a manner inconsistent with operating instructions in this
guide.
• This appliance should always be maintained and operated in accordance with these instructions.
• Do not elevate the fire by means of grates, andirons or other means.
• Do not use makeshift materials or make any compromises when installing this insert.
• 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/
• 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.

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• 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, SBI should be contacted in
advance.
• 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).
• Connect this insert only to a listed stainless steel chimney liner for use with solid fuel.
• If required, a supply of combustion air shall be provided to the room.
• DO NOT CONNECT TO OR USE IN CONJUNCTION WITH ANY AIR DISTRIBUTION
DUCTWORK UNLESS SPECIFICALLY APPROVED FOR SUCH INSTALLATION.
• DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE.
• The insert and its stainless steel chimney liner are to be installed only within a lined masonry
chimney and masonry fireplace conforming to building codes for use with solid fuel. Do not
remove bricks or mortar from the existing fireplace when installing the insert.
1.1 Regulations Covering Insert Installation
When installed and operated as described in these instructions, this wood insert is suitable for
use in residential installations but is not intended for installation in a bedroom.
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 insert must be installed with a continuous chimney liner of 6″diameter extending from the
insert to the top of the chimney. The chimney liner must conform to the Class 3 requirements
of CAN/ULC-S635, Standard for Lining Systems for Existing Masonry or Factory-built Chimneys
and Vents, or CAN/ULC-S640, Standard for Lining Systems for New Masonry Chimneys or UL
1777, Standard for Safety for Chimney Liners.
The insert is not approved for use with a so-called “positive flue connection” to the clay tile
of a masonry chimney.
1.2 Certification Label
Since the information given on the certification label attached to the appliance always overrides
the information published in any other media, it is important to refer to it to have a safe and
compliant installation. The model and the serial number can also be found on the label.
The certification label is located behind the blower and affixed on a sheet metal plate below
the firebox. It is recommended to note the insert serial number on page 1 of the Wood Insert
Installation and Operation Manual. It will be needed to identify the version of the appliance in
the event replacement parts or technical assistance is required.

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1.3 Emissions and Efficiency
The low smoke emissions produced by the special features inside this insert firebox means
that the household will release up to 90% less smoke into the outside environment than if an
older conventional insert 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 insert 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 insert can only work properly if
the fuel used is in the correct moisture content range of 15% to 20%. Refer to Fuel Section for
suggestions on preparing fuelwood and judging its moisture.
1.4 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 insert, which is most of its weight, is carbon steel. Should it ever become
necessary many years in the future, almost the entire insert can be recycled into new products,
thus eliminating the need to mine new materials.
The paint coating on the insert 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 C-Cast baffle is made of aluminosilicate fibre material that is compressed with a binder
to form a rigid board. C-Cast can withstand temperatures above 2,000 °F. It is not considered
hazardous waste. Disposal at a landfill 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 landfill 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 the regular household products. Disposal at a landfill is
recommended.

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2. Fuel
Good firewood has been cut to the correct length for the insert, split to a range of sizes and stacked
in an open area until its moisture content is down to 15% to 20%.
DO NOT BURN:
• 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 PARTICLEBOARD. 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 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 inserts wouldn’t hold a
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
insert very difficult. The most common standard length of firewood is
16″(400 mm).

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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 inserts.
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 insert to produce its highest possible efficiency.
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;

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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;
− 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 insert. 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.
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 insert unattended when the door is slightly open. Always close and latch the door
after the fire ignites.
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 insert. Keep all such liquids well away from the insert while
it is in use.

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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 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. Open the air intake control completely, ignite the paper and close the door.
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.
3.3 Zone Heating
This insert 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 insert. Whole house zone heating works best when the insert 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 insert 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. This way,
less wood is burned than with other forms of heating.

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Although the insert 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 insert, the size, layout and age of the home and
the climate zone. Three-season vacation homes can usually be heated with smaller inserts than
houses that are heated all winter.
3.4 Combustion Cycles
Zone heating 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.
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.
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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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 insert is relatively
cold, but there is still a little chimney draft to draw the ash dust into the insert 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 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.
NEVER STORE ASHES INDOORS OR IN A NON-METALLIC CONTAINER
OR ON A WOODEN DECK.
CENDRES
ASHES

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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 chimney
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 Insert Installation and
Operation Manual for a specific overview of
the air control of your appliance.
Figure 1 : Air Intake Control
3.8 Fire Types
Using the air intake control is not the only way to match the insert 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 Insert 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 up to four hours.
Small fires like this are a good time to use softer wood species and avoid overheating the house.

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3.8.2 Low and Long Output Fires
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 insert 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 by itself.
3.8.4 Maximum Burn Cycle Times
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 burn time expected from an insert, 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 times, 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 insert 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 insert
to the heat demand of the space.
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.

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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 there is no more flame in the firebox and there are still some unburned logs, check outside
if there is smoke coming out of the chimney. If this is the case, it means that the fire is out of air
to burn properly. In this situation, the level of CO increases and it is important to react. Open
the door slightly and move the logs with a poker. Create a passage for the air below by making
a trench with the ember 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 Insert 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 Wood Insert
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 insert with a heat-resistant paint see « Exploded diagram
and parts list » in the Wood Insert Installation and Operation Manual. Do not clean or paint the
insert 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.
4.1.2 Refractory Material and Baffle
Inspect the firebricks or the refractory panels and the baffle for damage periodically and replace
anything that is cracked or broken.
Operation of the heater with a cracked or missing baffle may cause unsafe temperatures
and hazardous conditions and will void the warranty.
4.2 Glass Door
4.2.1 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 insert 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.

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The deposits that form on the glass are the best indication of the fuel quality and success in properly
using the insert. These stains can be cleaned with a special wood insert 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. Follow the instructions in section « 3.1.3 Gasket » in the Wood Insert Installation and
Operation Manual. Always replace the gasket with a genuine one.
5. Operating the Insert
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 insert, the following steps should be completed, you will find the procedures
installation in the Wood Insert Installation and Operation Manual:
• Handle installation.
• Installation of bricks in the product.
• Installation of ash shelf and blower.
• Faceplate installation.
The following step is optional:
• Air inlet installation.
5.1 Blower
A blower is already installed on this insert. It is located
underneath the ash lip, in front of the insert. Its function
is to increase 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, it should not be used as a
way to gain more output from an insert that is undersized
for the space it is intended to heat.
Figure 2 : Blower location
Do not clean the glass when the insert is hot.
Do not abuse the glass door by striking or slamming shut.
Do not use the insert if the glass is broken.
Ensure the blower cord is not in contact
with any surface of the insert to prevent
electrical shock or fire damage. Do not
run cord beneath the insert.

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The blower has a variable speed rheostat that can be adjusted
from high (HI) to low (LO) and closed (OFF).
Allow the insert 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.
The blower is also equipped with a heat sensor. When the blower
is ON, it will start automatically when the insert is hot enough
and it will stop when the insert has cooled down. Therefore, the
blower speed control can be left at the desired setting.
5.2 Fire Screen
Some inserts have been tested for use with the door open with a rigid firescreen (In the United States
or in provinces with a particulate emissions limit (e.g.: US EPA), the use of open-door wood
insert with a rigid firescreen is prohibited), this option is sold separately (to confirm that your
product has been tested with it, please refer to the Wood Insert Installation and Operation Manual).
The fire screen must be properly secured on the insert to avoid any risk of sparks damaging the
flooring. When the fire screen is in use, do not leave the insert unattended to respond promptly in the
event of smoke spillage into the room. Potential causes of smoke spillage are described in Section
« 7. The Venting System » of this guide. See « Optional fire screen installation » in the Wood Insert
Installation and Operation Manual for installation instructions.
OPERATING THE INSERT 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.
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 insert. 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 insert 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 flue lining and chimney should be inspected at least once every two months during the
heating season to determine if a creosote buildup has occurred. If creosote has accumulated (⅛″
[3mm] 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.
Figure 3 : Blower rheostat
OFF
HI
LO

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Establish a routine for the fuel, wood insert 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 Insert Installation
and Operation Manual for more details.
5.3.3 Chimney Fire
Regular chimney maintenance and inspection can prevent chimney fires. If you have a chimney
fire, follow these steps:
1. Close the insert door and the air intake control;
2. Alert the occupants of the house of the possible danger;
3. If you require assistance, alert the fire department;
4. If possible, use a dry chemical fire extinguisher, baking soda or sand to control the fire. Do not
use water, as it may cause a dangerous steam explosion;
Do not use the appliance again until the insert and its chimney have been inspected by
a qualified chimney sweep or a fire department inspector.
6. Masonry Fireplace Requirements
The masonry fireplace must meet the minimum requirements found in the building code
enforced locally, or the equivalent, for a safe installation. Contact the local building inspector for
requirements in the area. An inspection of the fireplace should include the following:
6.1 Fireplace and Chimney Condition
The masonry fireplace and chimney should be inspected prior to installation, to confirm that they
are free from cracks, loose mortar, creosote deposits, blockage, or other signs of deterioration.
If evidence of deterioration is noted, the fireplace or chimney should be upgraded and cleaned
prior to installation.
Masonry or steel, including the damper plate, may be removed from the smoke shelf and
adjacent damper frame if necessary to accommodate the insert’s chimney liner, provided that
their removal will not weaken the structure of the fireplace and chimney, and will not reduce
protection for combustible materials to less than what is required by the building code.