Lacunza Atlantic 500 User manual

Atlantic 500 / 610 / 610R
Instruction Book

PRESENTATION OF THE APPLIANCE 1
1.
Lacunza congratulates you on your choice.
Certified under ISO 9001, Lacunza guarantees the quality of its appliances and undertakes to
meet the needs of its customers.
Confident of the know-how afforded by more than 50 years’ experience, Lacunza uses
advanced technologies in the design and manufacture of its entire range of appliances. This
document will help you install and use your appliance in optimum conditions for your comfort
and safety.
CONTENTS
PRESENTATION OF THE APPLIANCE ....................................................................................................3
1.1. General characteristics................................................................................................................................. 3
INSTRUCTIONS FOR THE INSTALLER ...................................................................................................7
2.1. Warning to installers.................................................................................................................................... 7
2.2. Room for installation.................................................................................................................................... 7
2.2.1. Ventilation of the room............................................................................................................................................ 7
2.2.2. Location of the appliance in the room ..................................................................................................................... 8
2.3. Installation of the appliance......................................................................................................................... 8
2.3.1. Floor......................................................................................................................................................................... 8
2.3.2. Safety distances........................................................................................................................................................ 8
2.3.3. Checks before lighting for the first time................................................................................................................... 8
2.3.4. Height adjustment and levelling the appliance ........................................................................................................ 8
2.3.5. Connection to the flue.............................................................................................................................................. 8
2.4. Chimney flue ................................................................................................................................................ 9
2.4.1. Type of flue .............................................................................................................................................................. 9
2.4.2. Chimney crown ........................................................................................................................................................ 9
2.4.3. Poor flue................................................................................................................................................................. 10
INSTRUCTIONS OF USE......................................................................................................................12
3.1. Fuel............................................................................................................................................................. 12
3.2. Description of the parts of the appliance................................................................................................... 13
3.2.1. Operating components .......................................................................................................................................... 13
3.3. Lighting....................................................................................................................................................... 13
3.4. Safety ......................................................................................................................................................... 14
3.5. Loading fuel................................................................................................................................................ 14
3.6. Operation................................................................................................................................................... 14
3.7. Removing ash............................................................................................................................................. 15
3.8. Deflectors................................................................................................................................................... 15
MAINTENANCE AND IMPORTANT ADVICE........................................................................................18
4.1. Maintenance of the appliance ................................................................................................................... 18
4.1.1. Firebox ................................................................................................................................................................... 18
4.1.2. Inside the appliance ............................................................................................................................................... 18

PRESENTATION OF THE APPLIANCE 2
1.
4.1.3. Flue socket ............................................................................................................................................................. 18
4.1.4. Painted sheet-steel-cast-iron parts. ....................................................................................................................... 18
4.1.5. Firebox glass........................................................................................................................................................... 18
4.2. Maintenance of the chimney flue .............................................................................................................. 18
4.3. Important advice........................................................................................................................................ 18
TROUBLESHOOTING..........................................................................................................................19
BASIC BREAKDOWNS ........................................................................................................................20
DECLARATION OF PERFORMANCE....................................................................................................22
CE MARK ...........................................................................................................................................28

PRESENTATION OF THE APPLIANCE 3
1.
PRESENTATION OF THE APPLIANCE
For optimum operation of the appliance, we advise you to read this manual carefully before
switching on the appliance for the first time. In case of problems or concerns, we urge you to
contact your dealer, who will cooperate with you.
In order to improve the product, the manufacturer reserves the right to make changes
without notice by updating this document.
This appliance is designed to burn wood in absolutely safe conditions.
WARNING: Faulty installation may have serious consequences.
Installation and all necessary regular maintenance operations must be performed by an
authorized installer in full accordance with the specifications set out in the legislation
applicable in each country and this instruction book.
1.1. General characteristics
Unit
Atlantic 500
Atlantic 610
Atlantic
610R
Nominal Heat Output (N.H.O.) to atmosphere
kW
8,3
12
10
Efficiency at N.H.O.
%
79
78
75
CO emission at 13% O2 at N.H.O.
%
0,11
0,11
0,11
Gas mass flow at N.H.O.
g/s
8,0
10,6
10,5
Gas temperature downstream of flue socket at N.H.O.
ºC
259
285
305
Optimum flue draught
Pa
12
12
12
Wood consumption (beech) at N.H.O.
kg/h
2,4
3,49
3,10
Dimensions of the firebox
Width
mm
430
530
530
Depth
mm
280
280
(280)
Useful height
mm
220
470
470
Dimensions of the logs
cm
40
50
50
Volume heated (45w/m³) at N.H.O.
m³
184
266
222
Log load frequency
h
1
1
1
Capacity of the ashpit
L
1,5
1,5
1,5
Weight
kg
78
103
106
Flue socket diameter
mm
150
150
150
Note: The values indicated in the above table are based on tests performed in accordance
with UNE-EN 13240 with logs with no more than 18% humidity and pressure conditions as
indicated in each case.
Warning: this appliance is designed and prepared to work with the types of fuel, degree of
humidity of the fuel, fuel loads, fuel load frequencies, flue draught and system of installation
indicated in this Instruction Book. Failure to respect these conditions may lead to problems
with the appliance (deterioration, shorter useful life, etc.) which are not covered by the
Lacunza warranty.

PRESENTATION OF THE APPLIANCE 4
1.
Figure No.1 - Dimensions of the Ocean / Atlantic 500 appliance in mm

PRESENTATION OF THE APPLIANCE 5
1.
Figure No.2 - Dimensions of the Ocean / Atlantic 610 appliance in mm

PRESENTATION OF THE APPLIANCE 6
1.
Figure No.3 - Dimensions of the Ocean / Atlantic 610R appliance in mm

INSTRUCTIONS FOR THE INSTALLER 7
2.
INSTRUCTIONS FOR THE
INSTALLER
2.1. Warning to installers
All local and national regulations,
including all those referring to national and
European standards, must be observed
when installing the appliance.
Installation of the appliance must be
performed by an authorised installer.
An incorrectly installed appliance may
lead to serious incidents (fires, creation of
harmful gases, deterioration of nearby
fixtures, etc.).
Lacunza’s liability is limited to the
supply of the material and does not include
installation of the appliance.
2.2. Room for installation
2.2.1. Ventilation of the room
The appliance needs to consume
oxygen (air) in order to work properly.
Ensure a suitable air supply in the room in
which the appliance is fitted. This quantity
of oxygen is additional to the oxygen that
we need in order to breathe (air renewal).
In order to ensure the high quality of
the air you breathe and to avoid potential
accidents resulting from high
concentrations of the gases produced by
combustion (mainly carbon dioxide and
carbon monoxide), it is absolutely crucial to
ensure the suitable renewal of the air in
the room in which the appliance is fitted.
the room must always have at least two
permanent grilles or openings to the
exterior in order to renew the air (one for
intake and the other for extraction).
For the installation of its appliances,
Lacunza recommends an additional section
for these openings. One of these two grilles
must be situated high up in the room (at
less than 30 cm from the ceiling) and the
other one low down (at less than 30 cm
from the floor). Both grilles must open
outdoors in order to renew the air in the
room with fresh air.
The minimum section that each of these
grilles must have depends on the nominal
output of the appliance in accordance with
the following table:
Figure No.4 - Guideline indications for
ventilation grilles
The appliance must always be used with
the door(s) closed.
In rooms equipped with Controlled
Mechanical Ventilation, the system
extracts and renews the ambient air; in
such cases, the room is at slightly low
pressure and it is necessary to install a non-
closable outside-air inlet with a section of
at least 90 cm².
Output of the
appliance
(kW)
Minimum
additional section
of eachof the
grilles(cm2)
P ≤ 10kW 70
10 < P ≤ 15 90
15 < P ≤ 20 120
20 < P ≤ 25 150
25 < P ≤ 30 180
30 < P ≤ 35 210
P>35 240

INSTRUCTIONS FOR THE INSTALLER 8
2.
2.2.2. Location of the appliance in the
room
Choose a location in the room which
favours good hot-air distribution by
convection and radiation.
2.3. Installation of the appliance
2.3.1. Floor
Make sure that the base can withstand
the total constructed weight of the
appliance and its casing.
Attention: the stove must not be
installed on a combustible floor
2.3.2. Safety distances
Be sure to respect the appliance
installation distances from combustible
materials. Looking at the appliance head-
on:
Atlantic 500
Distance to
combustible
materials
(mm)
From the right-hand side
500
From the left-hand side
500
From the rear
800
From the front
1300
From the top surface
750
Atlantic 610
Distance to
combustible
materials
(mm)
From the right-hand side
600
From the left-hand side
600
From the rear
900
From the front
1200
From the top surface
750
Atlantic 610R
Distance to
combustible
materials
(mm)
From the right-hand side
400
From the left-hand side
400
From the rear
250
From the front
1000
From the top surface
750
Bear in mind that it may even be
necessary to protect non-combustible
material in order to prevent breakage,
deformation, etc., as a result of
overheating if the non-combustible
material is not designed to withstand high
temperatures.
2.3.3. Checks before lighting for the first
time
•Make sure that the glass/es is/are
not broken or damaged.
•Make sure that the flueway is not
obstructed with packing or loose parts.
•Make sure that the airtight joints
on the flue circuit are in perfect
condition.
•Make sure that the doors close
properly.
•Make sure that all moving parts are
fitted in place.
2.3.4. Height adjustment and levelling the
appliance
The appliance must be perfectly level,
horizontally and vertically, both at the
front and on the sides (use a spirit level).
2.3.5. Connection to the flue
The appliance must be connected to the
chimney flue using special piping designed
to resist the products of combustion (e.g.
stainless steel, enamelled steel, etc.).
To connect the flue to the socket flange,
insert the piping inside the flange and seal

INSTRUCTIONS FOR THE INSTALLER 9
2.
the joint with fire sealant or fire cement to
make it completely airtight.
The installer must ensure that the pipe
connected to the appliance is well secured
and there is no chance of it coming free
from its housing (e.g. as a result of
dilatation due to temperature, etc.).
2.4. Chimney flue
The chimney flue must comply with
present standards on the installation of
chimneys.
In rooms equipped with Controlled
Mechanical Ventilation, the ventilation
outlet must never be connected to the
flue.
The appliance must always have its own
chimney flue, never sharing a chimney flue
with another appliance.
2.4.1. Type of flue
The flue must be made of special
material designed to resist the products of
combustion (e.g. stainless steel, enamelled
steel, etc.).
Non-central-heating appliances
(without back boiler) require an insulated,
double-sleeve flue only on those sections
that run outdoors or through cold areas.
Single piping can be used inside the
building, the heat of the gases serving to
heat rooms, insulating only those sections
where excess temperature may cause
damage.
If the chimney is constructed, then it is
necessary to pipe and insulate it to ensure
correct updraught.
The diameter of the pipe must be the
same as the diameter of the flue socket on
the appliance over its entire length in order
to ensure correct operation.
The flue must prevent the entry of
rainwater.
The flue must be clean and airtight over
its entire length.
The flue must be at least 6m tall and the
chimney cap must not hinder the free
release of gases.
If the flue tends to suffer from
downdraught, then it is necessary to fit an
effective anti-downdraught cowl, a static
cowl or a smoke extraction fan, or reshape
the chimney.
Never make 90º bends, due to the great
loss of draught they cause, and reduce 45º
bends down to an absolute minimum. Each
45º bend is equivalent to a 0.5m reduction
in flue length. Horizontal flue sections
should not be installed because they cut
updraught a great deal.
If the flue draws at more than 20 Pa,
then an effective damper must be fitted on
the flueway. This damper must be visible
and accessible.
The chimney flue must not rest on the
appliance.
Bear in mind that high temperatures
may be reached in the flue, meaning that it
is essential that insulation be enhanced in
sections in which combustible material is
present (wooden beams, furniture, etc.). It
may even be necessary to protect non-
combustible material in order to prevent
breakage, deformation, etc., as a result of
overheating if the material is not designed
to withstand high temperatures.
It must be possible to clean the entire
flue, no sections being left inaccessible for
cleaning purposes.
2.4.2. Chimney crown
The upper end of the chimney must
clear the roof, the roof ridge or any
obstacle located on the roof by at least 1m.

INSTRUCTIONS FOR THE INSTALLER 10
2.
Figure No.5 - Distances between chimney
crown and roof ridge
The chimney crown must clear the
highest point of any neighbouring building
or obstacle located within a 10m radius of
the chimney outlet by more than 1m.
Figure No.6 - Distances between the
chimney crown and objects within a 10m
radius
The chimney crown must clear any
neighbouring building or obstacle located
within a radius of 10m to 20m from the
chimney outlet.
Figure No.7 - Distances between the
chimney crown and objects within a radius
of between 10 and 20m
2.4.3. Poor flue
If not all the requirements indicated
previously have been met, smoke may
escape from the appliance into the room in
which it is installed when the firebox door

INSTRUCTIONS FOR THE INSTALLER 11
2.
is opened. This is because the flue is unable
to generate enough updraught.
Before doing anything else, the installer
should correct deficiencies in the
installation, bearing in mind: the material,
insulation, diameter, airtightness,
cleanliness, height, verticality/straightness,
chimney crown, etc.
If sufficient updraught is not achieved
by correcting the flue installation, Lacunza
supplies an accessory for exceptional cases:
a part which seals the top of the front part
of the appliance and helps prevent smoke
escaping into the room. Logically, this
reduces both the view of the fire and the
loading aperture on the appliance.
Figure No.8 - Accessory to help in the
event of downdraught as a result of a poor
flue
This accessory should be ordered from
the factory and, considering that the
problem is the result of a poor installation,
must be paid for by the person ordering
the part.

INSTRUCTIONS OF USE 12
3.
INSTRUCTIONS OF USE
The manufacturer accepts no liability
whatsoever for damage caused to parts as
a result of the improper use of non-
recommended fuels, modifications made
to the appliance or how it is installed.
Only use original replacement parts.
All local and national regulations,
including those referring to national and
European standards, must be observed
when using the appliance.
Heat is diffused by radiation and
convection via the front and exterior of the
appliance.
3.1. Fuel
This appliance must not be used as an
incinerator. Do not use non-recommended
fuels.
•Use dry logs (max. 16% humidity),
cut at least 2 years ago, clean of resin
and stored in a sheltered, ventilated
place.
•Use hard woods with high calorie
values and good ember production.
•Large logs should be cut to useable
lengths before being stored. The logs
should have a maximum diameter of
150mm.
•Finely-chopped wood produces
greater heat output, but also burns
more quickly.
Optimum fuels:
•Beech.
Other fuels:
•Oak, chestnut, ash, maple, birch,
elm, etc.
•Pine and eucalyptus logs are low
density and produce very long flames,
and may cause the parts of the
appliance to wear out more quickly
than normal.
•Resinous wood may mean that the
appliance and the flue need to be
cleaned more often.
Non-permitted fuels:
•All types of coal and liquid fuel.
•“Green wood”. Green or damp
wood reduces the performance of the
appliance and leads to soot and tar
build-up on the inner walls of the flue,
obstructing it.
•“Recovered wood”. The burning of
treated woods (railway sleepers,
telegraph posts, plywood, fibreboard,
pallets, etc.) quickly blocks the system
(soot and tar build-up), harms the
environment (pollution, smells) and
may lead to deformation of the firebox
due to overheating.
•All materials which are not wood
(plastic, spray cans, etc.).
Green and reprocessed wood may cause
chimney fires.
The graph below shows how the
humidity of firewood affects its heat
output:
Figure No.9 - Relationship between
firewood humidity and heat output.

INSTRUCTIONS OF USE 13
3.
3.2. Description of the parts of the appliance
3.2.1. Operating components
Figure No.10 - Operating components on the appliance
•A: Firebox door handle
•B: Primary air intake
oB1 open (right)
oB2 closed (left)
•C: Secondary and double-combustion air intake
oC1 open (right)
oC2 closed (left)
3.3. Lighting
Use of the appliance in warm weather
(warm days, early hours of the afternoon
on sunny days) may lead to lighting and
updraught problems.
Certain weather conditions, such as fog,
ice, humidity entering the flue, etc., may
hinder sufficient updraught in the flue and
lead to suffocation.
Proceed as follows in order to light the
appliance satisfactorily:

INSTRUCTIONS OF USE 14
3.
•Open the firebox door(s) and open
all the firebox air-intake inlets to the
full.
•Place paper or a firelighter and
some wood chips in the firebox.
•Light the paper or firelighter.
•Leave the door slightly ajar, the
width of two or three fingers, for about
15 minutes until the glass warms up.
•The first time the appliance is lit,
the fire should be gentle to allow the
parts of the appliance to dilate and dry.
Important: The first time it is lit up, the
appliance may give off smoke and strange
smells. This is not a cause for concern.
Open an outdoor window to ventilate the
room during the first few hours of
operation.
If you notice water around the
appliance, this is produced by the
condensation of the moisture in the wood
on lighting the fire. This condensation will
no longer appear when the appliance has
been lit three or four times and has
adapted to its flue. If it does not disappear,
then check the flue draught (length and
diameter of the flue, flue insulation,
airtightness) and the humidity of the wood
used.
3.4. Safety
Do not store combustible materials
beneath the appliance.
3.5. Loading fuel
In order to load firewood, open the
firebox door gently, preventing the sudden
entry of air to the firebox so that smoke
does not enter the room that the appliance
is installed in.
Perform this operation with the glove to
prevent burns to the hands.
The maximum load height is 2 logs with
diameters of approx. 10 cm.
The minimum interval between loads
for nominal heat output is 60 minutes.
Always load with the nominal amount
(see table in section 1.1).
For minimum burning (e.g. at night), use
thicker logs.
When the firebox is loaded, close the
door.
Be careful when placing logs in the firebox
on appliances with vermiculite interiors.
Vermiculite is a fragile material and may
crack if knocked.
3.6. Operation
The appliance should be operated with
the door(s) closed and the direct draught
rod closed.
For safety reasons, never close all the
appliance’s combustion-air intakes.
Primary-air intake
By opening this inlet, air enters the
firebox via the firebox grille.
Secondary-air intake
By opening this inlet, air enters the
firebox via the top of the firebox door.
IMPORTANT: Keeping the secondary-air
intake open helps keep the door glass
cleaner for longer.
Double-combustion air intake
By opening this inlet, air enters the
combustion flame, making for more
efficient and less polluting combustion
because post-combustion takes place,
burning the particles which were not

INSTRUCTIONS OF USE 15
3.
burned in the first combustion. This
increases the performance of the appliance
and reduces emissions.
On Ocean models, the double-
combustion air intake is the same as the
secondary-air intake (both air intakes are
controlled through the same inlet at the
same time).
IMPORTANT: The appliance is exposed to
extreme changes in temperature and may,
as a result, make noises when in operation.
These noises are a natural result of
expansion/contraction of the parts which
make up the appliance. Do not be alarmed
by noises of this kind.
In order to obtain maximum output,
open all the air intakes to the firebox and
in order to obtain minimum output, tend
towards closing them. For normal use, we
recommend you close the Primary Intake
and leave the Secondary and Double
Combustion Intakes open.
3.7. Removing ash
Following sustained use of the
appliance, it is necessary to remove the ash
from the firebox. Remove the ashpit box
when cold or using something to prevent
yourself from getting burned (glove).
Never throw hot embers into the
rubbish.
Access the ashpit by opening the door
on the appliance.
3.8. Deflectors
The appliance has 2 vermiculite
deflectors and a stainless-steel
reinforcement that joins them together.
Dismantling the Ocean deflector
First extract the stainless-steel
reinforcement. In order to do this, draw it
towards the front of the appliance to
release it from the vermiculite parts.
Figure No.11 - First movement to release
the reinforcement
Then rotate the reinforcement as
shown:
Figure No.12 - Turning the stainless-steel
reinforcement
Let the stainless-steel reinforcement
drop onto the vermiculite deflectors.
Figure No.13 - Reinforcement on the
vermiculite deflectors

INSTRUCTIONS OF USE 16
3.
The vermiculite deflectors can then be
extracted as shown:
Figure No.14 - Extracting the vermiculite
deflectors
Changing the position of the Ocean
stainless-steel reinforcement
The stainless-steel reinforcement has an
open and closed position. When it is
closed, a lot of combustion gas is retained,
meaning that the flue and the fuel used
must be in optimum conditions in order to
ensure correct operation. When open, the
deflector facilitates the passage of smoke.
Figure No.15 - Stainless-steel
reinforcement in its closed position
Figure No.16 - Movements to change from
closed to open
Figure No.17 - Stainless-steel
reinforcement in its open position

INSTRUCTIONS OF USE 17
3.
Fitting the circular part on the flue
socket
A circular part is supplied inside the
appliance. This part must be fitted in
position inside the flue in order to achieve
all the values in the UNE-EN 12815, UNE-
EN 13229, UNE-EN 13240 standard.
Because this part causes a lot of the gases
produced by combustion to be retained, it
requires optimum flue and fuel conditions.
Users may, therefore, prefer not to fit it if
such conditions cannot be ensured.
Figure No.18 - Movements to fit the
circular deflector on the flue socket
Ocean / Atlantic 610R
The 610R model also incorporates two
stainless steel pieces in the hearth. These
pieces must be positioned as indicated in
the image if all the values contained within
the UNE-EN 12815, UNE-EN 13229 and
UNE-EN 13240 regulations are to be
fulfilled.
Figure No.19 - Stainless-steel pieces 610R
Given that these pieces generate a
significant additional retention of fumes
resulting from the combustion, their
placement must comply with some
optimum draft and fuel conditions. For this
reason, the user may choose not to fit
them if these conditions are not fulfilled.

MAINTENANCE AND IMPORTANT ADVICE 18
4.
MAINTENANCE AND
IMPORTANT ADVICE
4.1. Maintenance of the appliance
The appliance, the flue connector piping
and the flue must be cleaned regularly,
particularly following long periods without
use.
4.1.1. Firebox
Clean the firebox area of ash, etc.
4.1.2. Inside the appliance
Clean the firebox area of ash. Clean the
deflectors, where soot may build up.
4.1.3. Flue socket
The flue socket area must be kept clean
at all times for the appliance to work
properly.
It must be cleaned as often as required.
How often it is cleaned depends on how
much the appliance is used and the type of
fuel employed.
4.1.4. Painted sheet-steel-cast-iron parts.
These parts should be cleaned with a
brush or dry cloth. Do not dampen the
parts: the steel could rust and the paint
could blister and chip. Be particularly
careful when cleaning the glass: the liquids
used must not dampen the painted steel.
4.1.5. Firebox glass
Keep the secondary-air intake open to
keep the door glass cleaner for longer.
However, the glass may get dirty the longer
the appliance is used. Special degreasing
products designed for the purpose should
be used to clean it.
Clean when the glass is cold and taking
care not to apply the glass cleaner directly
onto the glass as it could come into contact
with the door-seal cord and damage it.
4.2. Maintenance of the chimney
flue
VERY IMPORTANT: In order to avoid
incidents (chimney fires, etc.), it is
necessary to perform maintenance and
cleaning operations on a regular basis; if
the appliance is used often, then the
chimney and the flue connector piping
must be swept several times a year.
In the event of fire in the chimney, close
the flue draught, close doors and windows,
remove embers from the firebox, block the
connection hole with damp cloths and call
the fire brigade.
4.3. Important advice
Lacunza recommends that only
Lacunza-authorised replacement parts be
used.
Lacunza accepts no liability for any
modification to the product which it has
not authorised.
This appliance is a heat-producing
appliance and contact may lead to burns.
This appliance may remain HOT for a
period of time after it has gone out. MAKE
SURE THAT SMALL CHILDREN DO NOT GO
NEAR IT.

TROUBLESHOOTING 19
5.
TROUBLESHOOTING
This symbol means that a qualified professional should be called to perform the operation.
Problem
Probable causes
Solution
The fire does not light
properly
The fire does not stay
alight
Green or damp wood
Use hard woods, cut at least 2 years ago and stored in a
sheltered, ventilated place
The logs are too large
Use crumpled paper or firelighters and dry wood chips to light
the fire. Use split logs to keep the fire going
Poor-quality wood
Use hard woods which produce heat and embers (chestnut, ash,
maple, birch, elm, beech, etc.)
Insufficient primary air
Open the primary- and secondary-air intakes completely, or
even open the door slightly.
Open the outdoor-air inlet grille
Insufficient updraught
Check that the draught is not blocked. De-soot if necessary.
Check that the flue is in perfect condition (airtight, insulated,
dry, etc.)
The fire flames up too
much
Excessive primary air
Close the primary- and secondary-air intakes partially or totally
Excessive updraught
Install a draught damper
Smoke given off on
lighting
Poor-quality wood
Do not continually burn chips, carpentry scraps (plywood,
pallets, etc.)
Cold flue
Heat up the flue by burning a piece of paper in the firebox.
Smoke during burning
The room is at low
pressure
In rooms with Controlled Mechanical Ventilation, leave an
outdoor window ajar until the fire is fully alight.
Too little wood loaded
Load as recommended. Loads notably smaller than those
recommended lead to low smoke temperature and
downdraught.
Insufficient updraught
Check the condition of the flue and insulation.
Check that the piping is not blocked. Clean mechanically if
necessary
Wind enters the flue
Install an anti-downdraught system (Cowl) at the top of the
chimney
Does not warm up enough
The room is at low
pressure
In rooms with Controlled Mechanical Ventilation, there must be
an outdoor-air inlet
Poor-quality wood
Only use the recommended fuel
Water condenses (after
the appliance has been lit
more than 3 or 4 times)
Too little wood loaded
Load as recommended. Loads notably smaller than those
recommended lead to low smoke temperature and
condensation.
Green or damp wood
Use hard woods, cut at least 2 years ago and stored in a
sheltered, ventilated place.
Condition of the flue
Lengthen the flue (5-6 metres minimum). Insulate the flue
properly. Check the airtightness of the flue/appliance.