Bosca Limit 380 User manual

INSTALLATION MANUAL
This manual includes instructions for the Installation,
Operation and Maintenance of your stove.
Models
Limit 380
Firepoint 360
Spirit 550
Please read this entire manual carefully
before installing and lighting your stove.
Save these instructions for future use.
Always follow the instructions contained in the manual.
WOOD STOVES
FREESTANDING
Limit 380
Firepoint 360
Spirit 550
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TABLE OF CONTENTS
INSTALLATION MANUAL
DISTRIBUTED IN NEW ZEALAND BY:
ESCEA LTD
PH: 03 478 8220
FAX: [phone]
EMAIL: [email protected]o.nz
17 CARNFORTH ST
GREEN ISLAND
DUNEDIN
NEW ZEALAND
PRINCIPAL COMPONENTS 1
INTRODUCTION 2
INSTALLATION 2
What is the most adequate location to install my Bosca stove? 2
What is the correct way to install my Bosca stove? 4
Floor protectors 4
Seismic restraints (New Zealand installations only) 4
REMOVING THE FIREBOX BAFFLE 6
How can I verify that the installation has been correctly executed? 6
OPERATING INSTRUCTIONS 6
How does the double combustion system work? 6
How do I choose appropriate rewood? 6
How can I recognize dry rewood before buying it? 7
How do I check that the rewood is dry before using it? 7
How do I light the stove? 7
How do I reload rewood in the stove? 8
How do I turn o the stove? 8
MANTENANCE AND CLEANING
What maintenance does my Bosca stove require?
How do I clean the ues on my stove?
How do I remove the ash from my stove?
How do I clean the glass panel on my stove?
CHIMNEY FIRE
What is a chimney re?
What should I do in case of a chimney re?
How can I avoid a chimney re?
TROUBLESHOOTING
IMPORTANT INFORMATION
SAFETY PRECAUTIONS
WARRANTY
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- 1 -
INSTALLATION MANUAL
MAIN COMPONENTS
1
2
3
4
5
6
7
8
8
Flue Spigot
Ceramic Glass (Resists temperatures up to 800ºC)
Ashtray Door
Locking System
Ashpan
Refractive Bricks
Removable Bae
Combustion Control (Primary Air Control)
KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
WARNING: THIS APPLIANCE AND FLUE SYSTEM SHALL BE INSTALLED IN ACCORDANCE WITH AS/NZS 2918 AND THE
APPROPRIATE REQUIREMENTS OF THE RELEVANT BUILDING CODE OR CODES.
WARNING: APPLIANCES INSTALLED IN ACCORDANCE WITH THIS STANDARD SHALL COMPLY WITH THE REQUIREMENTS
OF AS/NZS 4013 WHERE REQUIRED BY THE REGULATORY AUTHORITY, I.E. THE APPLIANCE SHALL BE IDENTIFIABLE BY A
COMPLIANCE PLATE WITH THE MARKING ‘TESTED TO AS/NZS 4013’.
ANY MODIFICATION OF THE APPLIANCE THAT HAS NOT BEEN APPROVED IN WRITING BY THE TESTING AUTHORITY IS
CONSIDERED TO BE IN BREACH OF THE APPROVAL GRANTED FOR COMPLIANCE WITH AS/NZS 4013
CAUTION: MIXING OF APPLIANCE OR FLUE SYSTEM COMPONENTS FROM DIFFERENT SOURCES OR MODIFYING THE
DIMENSIONAL SPECIFICATION OF COMPONENTS MAY RESULT IN HAZARDOUS CONDITIONS. WHERE SUCH ACTION IS
CONSIDERED, THE MANUFACTURER SHOULD BE CONSULTED IN THE FIRST INSTANCE.
CAUTION: CRACKED AND BROKEN COMPONENTS, e.g. GLASS PANELS OR CERAMIC TILES, MAY RENDER THE INSTALLATION
UNSAFE
WARNING: ANY MODIFICATION OF THE APPLIANCE THAT HAS NOT BEEN APPROVED IN WRITING BY THE TESTING
AUTHORITY IS CONSIDERED AS BREACHING AS/NZS 4013
WARNING: DO NOT USE FLAMMABLE LIQUIDS OR AEROSOLS TO START OR REKINDLE THE FIRE.
WARNING: DO NOT USE FLAMMABLE LIQUIDS OR AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHEN IT IS OPERATING.
WARNING: DO NOT STORE FUEL WITHIN HEATER INSTALLATION CLEARANCES.
WARNING: WHEN OPERATING THIS APPLIANCE AS AN OPEN FIRE USE A FIRE SCREEN.
WARNING: OPEN AIR CONTROL (AND DAMPER WHEN FITTED) BEFORE OPENING FIRE DOOR
CAUTION: THIS APPLIANCE SHOULD NOT BE OPERATED WITH A CRACKED GLASS
CAUTION: THIS APPLIANCE SHOULD BE MAINTAINED AND OPERATED AT ALL TIMES IN ACCORDANCE WITH THESE
INSTRUCTIONS
CAUTION: THE USE OF SOME TYPES OF PRESERVATIVE-TREATED WOOD AS A FUEL CAN BE HAZARDOUS
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2
3
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- 2 -
INSTALLATION MANUAL
INTRODUCTION
INSTALLATION
To ensure the safe and proper functioning of your stove, it must be installed according to the
instructions included in this manual.
In terms of safety, the ue is the most important component of your stove as it is the exhaust
for the gases produced by the combustion of rewood. These gases are extremely corrosive,
reach high temperatures and often contain fuel components. Studies have demonstrated that
res related to stove or wood cookstoves usually originate near the ue.
What is the most suitable location to install my Bosca stove?
In the case of a freestanding stove, it is essential to choose a suitable location for its installation.
The following are the main considerations you should take into account:
1. It is important that the stove be located in an area that allows for an adequate circulation of
air currents. This will enable the hot air to reach the dierent rooms of the house more easily.
Additionally, the stove must be located so that it is not an obstacle to the free circulation of
people, especially children.
2. Be especially careful to maintain clearances to ammable material such as curtains and
carpets. The minimum installation distances are detailed to the right:
B
A
(*D)
C
C
AB
MINIMUM CLEARANCES FROM COMBUSTIBLE WALLS (mm)
C
*D
195
see note below
240
N/A
BOSCA REAR HEAT SHIELD
Bosca Rear
Heat Shield
Congratulations on purchasing a Bosca stove. By choosing one of our products you automatically
receive the support, guarantee and experience of our more than 20 years manufacturing stoves
equipped with double ombustion systems that allow for an ecient use of rewood with a
minimum impact on the environment.
Bosca products are manufactured using only high quality materials and the latest in design and
technology that, in the hands of our experienced workers, ensures our products meet the highest
international standards.
Not suitable for wetback or water booster application.
LIMIT 380
SPIRIT 550
FIREPOINT 360
345 325 250
315 340 320
230 245 140
For clearances to non-combustIble or insulated walls refer to AS/NZS 2918
Note: For Spirit 550 & Limit 380, side clearance (B) to be no less than 200mm and rear
clearance (A) no less than 100mm irrespective of wall material, to ensure access to rear of
stove for bae replacement.
A Bosca Rear Heat Shield (shown right) is
supplied in all Bosca Flue Shield Kits and
can be used in conjunction with the ue
shield to reduce the rear clearance to the
minimum allowable distance.
*D In the above table denotes the
minimum allowable clearances for each
model if the Rear Heat Shield is tted.If
the Rear Heat Shield is not tted then
the rear clearance should be no less than
that stated in column A.
Note: The Rear Heat Shield cannot be
used with the Spirit 550 at any time. The
tting instructions for the Rear Heat
Shield can be found with the
instructions for the Bosca Flue Shield Kit.
The Rear Heat Shield does not replace
the Bosca Flue Shield.
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- 3 -
INSTALLATION MANUAL
FLOOR PROTECTOR
SEISMIC RESTRAINT
As per NZS 2918, Bosca res installed in New Zealand are required to have seismic restraint.
This can be acheived in the Limit 380 and Firepoint 360 by using the two holes provided in
the baseplate of the replace and using masonary anchors if installing onto a concrete oor,
or any suitable fastener for wooden oors.
The Spirit 550 is supplied with two Seismic Restraint Brackets welded on each side as it does
not have a base plate. By using the two holes in these brackets and sing masonary anchors if
installing onto a concrete oor, or any suitable fastener for wooden oors.
Must comply with all local council specications.
Note: the fastener must pass through the Floor Protector if tted and into the oor.
FLUE SHIELD
FLUE INSTALLATION
Any ue system used on this re must comply with and be installed as detailed in AS/NZS
2918:2001. We recommend the following kits which are compliant and come complete with
instructions.
“Bosca Flue Kit” (available through your Bosca dealer)
“Sheetmetal Fabricated Products Limited 4 metre Freestanding 2400 Flue Kit”
Bosca freestanding wood res DO NOT require an insulating oor protector as they comply with
the minimum oor protector requirements of AS/NZS 2918. These minimum oor protector
requirements are;
- They must be of adequate size to give appropriate wall, rear and front clearances/projections
as detailed below and in the chart illustrated on page“2”
NOTE;
- The oor protector must extend 200mm horizontally to the rear and each side directly below
the door opening, and 300mm forward of the door opening.
- The upper surface of the oor protector must be made of non-combustible material.
- A suitable oor protector for a Bosca freestanding wood re is therefore any non-
combustible material which could include;
- Ceramic tiles with grouted joints xed directly to timber ooring.
- A sheet of toughened glass, panel steel etc laid directly onto a wooden or other combustible
oor.
Note; If being installed directly onto concrete or non-combustible oor a oor protector
is not necessary.
For New Zealand installations only
The Bosca ue shield (P/N110017)must be used in all installations where the re is installed
against a combustible wall to the clearances listed in the chart on page 2 of this manual.
If the wall behind the re is a non-combustable ventilated surface as per AS/NZS2918 then
clearances can be reduced and the ue shield is not required.
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LIMIT 380
SPIRIT 500 / 550
- 4 -
INSTRUCTIONS FOR REPLACING THE BAFFLE
11 mm spanner 11 mm spanner
4. To remove the bae,
hold it with both hands
and slide it forward so that
the bolts separate from the
back of the stove.
5. To stop the bae from
falling, tilt it slightly from
the back so that you can
hold it rmly with your
hands. Straighten it and
remove from the stove.
6. To mount the bae back
in its origional position,
insert it into the rebox as
indicated by the arrows
and rest it on the supports
designed for it.
Ensure the oxygenating
tube and the bolts are fully
inserted in the perforations
located in the back of the
stove. Place the nuts and
tighten them.
1. The Spirit model stove
has a dismountable back
panel that must be
removed. You will need an
11mm spanner to do this.
2. Loosen the bolts located
on both sides of the panel.
3. Undo the 1/4" (stainless
steel) nuts on the back of
your stove counter-
clockwise with the
spanner.
To ease the process, we
recommend you rst
lubricate the nuts with
WD40 or a similar product.
Once the nuts are loose,
undo them until you have
completely removed them
from the bolts. Set them
aside so as to avoid losing
them.
You can now remove the
bae from inside the
stove. Do so from the front
of the stove.
1. The rst stage consists of
removing the anchoring
bolts of the bae. This will
require an 11mm spanner.
2. Undo the 1/4" (stainless
steel) nuts on the back of
your stove counter-
clockwise with the
spanner.
To ease the process, we
recommend you rst
lubricate the nuts with
WD40 or a similar product.
3. Once the nuts are loose,
undo them until you have
completely removed them
from the bolts. Set them
aside so as to avoid losing
them.
You can now dismount the
bae from inside the
stove. Do so from the front
of the unit.the stove. Place
the screws and tighten
them.
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- 5 -
INSTRUCTIONS FOR REPLACING THE BAFFLE
FIREPOINT 360 / 400
SPIRIT 500 / 550 (continued)
11 mm spanner
4. To remove the bae,
hold it with both hands
and slide it forward so that
the bolts separate from the
back of the stove.
5. To stop the bae from
fallingl, tilt it slightly from
the back so that you can
hold it rmly with your
hands. Straighten it and
remove it from the stove.
6. To mount the bae back
in its original position,
insert it into the rebox as
indicated by the arrows
and rest it on the supports
designed for it.
Ensure the oxygenating
tube and the bolts are fully
inserted in the perforations
located in the back of the
stove. Place the nuts and
tighten them.
1. The rst stage consists of
removing the anchoring
bolts of the bae. This will
require an 11mm spanner.
2. Undo the 1/4" (stainless
steel) bolts from the inside
of your stove .
counterclockwise with the
spanner.
To facilitate the process, we
recommend you rst
lubricate the bolts with
WD40 or a similar product.
3. Once the bolts are loose,
unsdo them until you have
completely removed them
from the bolts. Set them
aside so as to avoid losing
them.
You can now removet the
bae from inside the stove.
Do so from the front of the
unit.
4. To remove the bae, hold
it with both hands and slide
it forward so that the bolts
separate from the back of
the stove.
5. To stop the bae from
falling, tilt it slightly from the
back so that you can hold it
rmly with your hands.
Straighten it and remove it
from the stove.
6. To mount the bae back
in its original position, insert
it into the rebox as
indicated by the arrows and
rest it on the supports
designed for it.
Ensure the oxygenating
tube and the bolts are fully
inserted in the perforations
located in the back of the
stove. Place the screws and
tighten them.
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- 6 -
OPERATING INSTRUCTIONS
How can I verify that the installation has been correctly executed?
We are aware of how important it is to you to feel condent that your stove has been properly
installed. Therefore, if you wish to verify the installation, we recommend you use the following
diagram to guide your inspection:
OPERATING INSTRUCTIONS
Secondary
Air Inlet
Air is preheated
Primary
Air Inlet
How does the double combustion system work?
Double combustion stoves have a secondary air inlet that preheats the air at a high temperature.
This hot air mixes with the combustion gases burning the volatile material and reducing
particulate material. This process is known as post combustion.
How do I choose appropriate rewood?
It is important that you understand that one of the elements that will allow you to obtain the
maximum performance from your stove is the purchase of good quality fuel. To maximize the
eectiveness of your stove follow the instructions detailed below on how to buy, store and
manipulate rewood:
BURN ONLY UNTREATED SOFTWOOD DO NOT BURN COAL
- A highly relevant variable that determines the quality of the rewood is its humidity content.
This must be between 18 and 25%, to ensure an adequate duration and avoid energy loss as a
result of water evaporation as this reduces the power of the stove. Additionally, by using rewood
with low humidity content, you will avoid the production of creosote (a residue of combustion
that is deposited on the ues of your stove), resulting in lower maintenance costs.
- Remember to buy rewood that is no longer than 30 cm and approximately 15 cm in diameter.
This size rewood ts easily in your stove and the larger logs will not have to be cut to t.
- Having good quality rewood of appropriate humidity content does not only depend on buying
it correctly. This is only the starting point. If the manipulation of the wood is not adequate,
Top Cowl
(Stainless Steel)
Flashing Cowl
(Stainless steel)
250mm Flue Pipe Casing
(Galvanized steel)
Ceiling Plate (Ceiling Tile)
(White Stainless Steel)
150mm Flue Pipe
(Stainless Steel/
Black Stainless Steel)
Floor Protection
(unless the floor is constructed
of non-combustable material)
Water Tight Flashing
(not supplied)
Flue Shield
(Black Stainless Steel)
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your eorts will have been wasted. This is why it is important that you safeguard the storage
conditions. The wood must be stored in an isolated location so that it is not exposed to rain and
receives adequate air circulation. Under no circumstance must it be in contact with the ground
unless it is paved.
How can I recognize dry rewood before buying it?
- The logs are lighter.
- The bark must be partially detached and have cracks on the ends.
- It must not have white or grey spots.
- When you bend a small splinter with your ngers, it breaks.
How do I check that the rewood is dry before using it?
Place a log in your stove over a large quantity of cinders and check for the following:
Dry Firewood: ignites on more than one side in minutes.
Humid Firewood: turns grayish-black and takes time to ignite.
Wet Firewood: emits a whistle sound, blackens, does not produce a ame and emits a large
quantity of smoke.
How do I light the stove? (Easy Lighting System)
- 7 -
OPERATING INSTRUCTIONS
4. Light the re and close the upper door of the
stove.
5. Open the door of the ashtray and keep it this
way for approximately 3 minutes or until the
splinters are lit.
6. Open the upper door and add the load of
rewood, placing the lightest logs over the lit
splinters. It is very important that spaces are left
between the logs as these allow for air
circulation and consequently a faster and more
vigorous ignition.
7. Finally, close the door and adjust the Primary
Air Control to“maximum” for 5 minutes or until
the ames burn vigorously, and then adjust the
control to “intermediate".
8. Learning to manage the stove to your liking
requires some practice, as you must rst become
familiar with its functioning. Do not expect an
immediate reaction of the re when you slide
the Primary Air Control. The ame will not
intensify nor extinguish quickly as is the case
with liquid or gas fuels. Solid fuels like rewood
react slowly.
IMPORTANT
Wet rewood is NOT apt for use.
IMPORTANT
The rst time the stove is lit the high temperature paint on it will
smoke and emit a resin smell for some hours. Open the windows to
ventilate.
1. Check that the temperer is in its place,
if this is not so locate it in the correct
position as indicated on page 8.
2. Place crumpled paper in the middle of
the rebox.
3. Place various split logs over the paper
and some splinters on top of this,
preferably in a vertical position. Set the
Primary Air Control on “maximum”.
Paper and splinters
light in 1 to 5 minutes.
Ashtray is open.
Initial Mound
Splinters and
paper
Ashtray door
is closed
Firewood Load
Primary Air Control
on “maximum”for 5 minutes,
and then adjust to “intermediate”.
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OPERATING INSTRUCTIONS
IMPORTANT
If you follow these instructions you will generate an eective
combustion that does not produce smoke nor contamination when
your start a re in your stove, while ensuring its optimum
functioning.
How do I reload rewood in the stove?
1. Adjust the Primary Air Control to “maximum”
and open the door of the rebox (upper door).
2. Place the dry rewood logs on the cinders
inside the stove.Logs must be loaded front to
back as shown in the gure at right. As is the case
when lighting the re, remember that it is better
if the logs are arranged with spaces between
them to allow air ow. Finally, close the upper
door.
IMPORTANT
The best moment to reload the stove is when a good layer of cinders
has set itself. If this layer is too thin, the way to reload it is repeating
the initial lighting procedure (page 6).
How do I turn o the stove?
1. As your stove is a safe unit it is not necessary to turn it o. However, if you wish to do so, all
you have to do is adjust the Primary Air Control to “minimum”. Remember that solid fuels react
slowly, so that this process will take several minutes.
IMPORTANT
The“minimum”position on the Primary Air Control must only be used to turn
o the stove. It must never be used as a way to save rewood, as the eect
will be to make the functioning of the stove decient.
MAINTENANCE AND CLEANING
What maintenance does my Bosca stove require?
Cleaning the ues is essential to ensure the proper functioning of your stove. This consists of
removing the creosote (a ammable substance that results from the combustion of rewood
with a high percentage of humidity and/or when there is insucient air entering) from the
interior of the ue. This accumulation obstructs the ue and aects the proper functioning of
your stove, making the lighting process slow and tedious and impeding appropriate combustion.
Moreover, the combustion will not be vigorous and there will be insucient draft and abundant
smoke emerging from the door.
IMPORTANT
Under certain conditions creosote can ignite, resulting in extremely high and
dangerous temperatures.
The frequency with which the ues must be cleaned varies according to the percentage of
humidity in the rewood you use. The ues must be cleaned at least once a year if the rewood
you use is dry. However, if it is green or contains over 25% humidity it must be done every 15 or
20 days.
- 8 -
Firewood load
Primary Air
Control on
"maximum"
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