Morso O Series User manual

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Distributed by: Morsø UK
Valley Drive · Swift Valley · Rugby, Warks CV21 1TW · England
Ø-Collection
Instructions for Installation and Use
Ø4 - (81% Eciency)
UK/EN 13240
DEFRA approved for use in United Kingdom smoke control areas
MORSØ JERNSTØBERI A/S . DK-7900 NYKØBING MORS
E-Mail: [e-mail] · Website: www.morsoe.com

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Enjoy your new Ø-COLLECTION stove!
Designed by Danish stove manufacturers Morsø, the Ø-Col-
lection incorporates unique design features and, by carefully
following the enclosed instructions we are certain that you
will enjoy many years of safe, comfortable warmth from your
stove.
Cwontents
Page
1.0 Installing your Morsø stove 3
1.1 Unpacking the stove 3
1.2 Installing the stove 3
1.3 Chimney sweeping 3
1.4 Stove placement/distance requirements 3
1.5 The chimney 5
1.6 Pipe connections 5
1.7 Connecting to a masonry chimney 6
1.8 Connecting to a steel chimney 6
1.9 Draft conditions 7
2.0 Firing the stove 8
2.1 Lighting instructions and fuelling intervals 9
3.0 Routine stove maintenance 13
3.1 External maintenance 13
3.2 Internal maintenance 13
3.3 Cleaning the stove 14
4.0 Alternative fuel types 15
5.0 HETAS admendments 16
Additional accessories
A comprehensive line of oor plates and accessory products that can facilitate the safe
and ecient operation and maintenance of your stove, are available from your approved
Ø-Collection Dealer.

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1.1 Unpacking the stove
Carefully lift the stove from the wooden pallet and set it carefully in place.
We recommend that two people perform the assembly and installation procedure.
Ø4 weighs 80 kg.
The stove is intended for intermittent use.
1.0 Installing your Morsø stove
1.2 Installing the stove
The stove and chimney installations MUST comply to all current National and Local Buil-
ding Regulations; your approved Ø-Collection dealer or your local building control ocer
can advise regarding this. Ultimately, it is you and your installer who is responsible that the
installation complies.
1.3 Chimney sweeping
It may also be wise to consult your local chimney sweep before installing the stove. After your
stove has been installed, it is advisable to have the chimney checked and swept at least once
a year. In any case, if your chimney has not been used for some time, it should be inspected
for deterioration, bird nests, etc. before it is put back into use.
1.4 Stove placement/clearance requirements
Clearance requirements apply only if the stove is placed near to combustible materials.
Permitted clearances to combustible materials are also indicated on the data plate on the
rear of the stove.

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In situations where the stove is to be tted into a brick or non-combustible recess, we re-
commend that the stove is installed with at least 10 cm clearance to the wall, this will allow room
air to circulate around the stove; also the maintenance of the outside stove is easier. When
applied to masonry, a layer of wallpaper is normally classied as a non-combustible surface.
Clearance to combustible surfaces in front of stove:
Model Distance to combustible materials in front of the stove
Ø4 700 mm.
The clearances stated above are minimum distances, but consideration ought to be given to
whether furniture or other items can be aected by heat.
A wood-burning stove gets hot when it is red. The necessary caution must therefore be
observed, particularly where children or the inrm are present.
Hearth requirements:
The stove MUST be tted in accordance with Local and National Building Regulations.
The O-serie stoves has been independently certied.
During the safety test the oor temperature did not exceed 100°C. The stoves may therefor
be placed onto a hearth made of non-combustible board/sheet material or tiles at least 12
mm. thick.
Consideration should also be given as to the stove weight to ensure that the underlying oor
is able to bear the weight.
The handle will get hot when the stove is in use, for this reason a safety mitten is provided.
Clearance Distance to combustible materials:
Model Behind the To the sides
stove (A) of the stove (B) Above the stove To soft furnishings
Ø4 650 mm 550 mm 600 mm 700 mm
uninsulated flue
B
A
Revisions
Rev.
Sign.:
Title:
Drawing no.:
Dim. without indication of margin acc. to DS/ISO 2768-1 m
1:10
Afstand til hjørnevæg
Distance to Corner wall
Ø-4
RSV
08.09.09
A4
Dimension Skecth
Date of print: 17-11-2009
U:\udv\Tegninger\Diverse\Afstand til brandbare vægge\Afstand til hjørnevæg.SLDASM
Steel-121 a
Itemno.:
This drawing is Morsø Jernstøberi A/S' property and must not be sold, lended or copied without any written authorization from the company.
Material:
Weight:
Model no.
Drawingtype:
Location of file:
Scale:
Format:
Released:
Construction:
Date:
B
B
45°
Revisions
Rev.
Sign.:
Title:
Drawing no.:
Dim. without indication of margin acc. to DS/ISO 2768-1 m
1:10
Afstand til hjørnevæg
Distance to Corner wall
Ø-4
RSV
08.09.09
A4
Dimension Skecth
Date of print: 17-11-2009
U:\udv\Tegninger\Diverse\Afstand til brandbare vægge\Afstand til hjørnevæg.SLDASM
Steel-121 a
Itemno.:
This drawing is Morsø Jernstøberi A/S' property and must not be sold, lended or copied without any written authorization from the company.
Material:
Weight:
Model no.
Drawingtype:
Location of file:
Scale:
Format:
Released:
Construction:
Date:
Ø4

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1.5 The chimney
Only if National or Local Regulations permit are you permitted to connect a stove into a
chimney that is shared by another appliance. YOU MUST be aware of any applicable Regu-
lations in this respect.
The wood-burning stove must never been connected to a chimney to which a gas-burning
stove or appliance is connected.
An ecient modern stove places heavy demands on the chimney, and you should have the
chimney regularly swept and inspected by your approved chimney sweep.
The cross-sectional area of the chimney (at its narrowest point) must comply with National
and Local Building Regulations. Generally, the area needed for an Ø-Collection wood-burning
stove installation should measure at least 175 cm2 (150 mm diameter). Exceptions to this are:
Smoke Exempt Morsø stoves tted with a 125mm diameter ue collar. These can be connected
to a chimney system or liner with a minimal cross sectional area of 123 cm (125mm diameter)
An over-sized chimney is generally hard to keep warm and results in poor draft. In cases where
there is an oversized masonry chimney, it is recommended that the chimney be lined using
an appropriately chimney lining system with the correct internal diameter.
With respect to the chimney termination, all chimneys should terminate in accordance with
National and Local Building Regulations.
Note that National and Local Regulations also apply with regard to the placement of chim-
neys and ues in connection with thatched roofs. See the section on Draft Conditions, 1.9.
The chimney or ue system must be equipped with access doors for inspection and cleaning
doors. The size of the cleaning door in the chimney must at least equal that of the cross-
sectional area of the chimney.
1.6 Pipe Connection
Your stove is supplied ready for a top ue connection (4). The rear ue outlet is tted with a
cover plate and is situated on the back panel. Where a
rear ue installation is required, unbolt the ue collar.
Unbolt the cover plate and install it onto the top of
the stove. The ue collar can then be bolted over the
rear ue outlet using the bolts and clamps provided.
Make sure that the baes (2 and 3), the rebricks,
and the riddling grate are positioned correctly.
Placement of draft reducer
The Ø4 is supplied with a fitted draft reducer
(1) as shown in the diagram.
Where a rear flue exit (3) is required, the draft
reducer is not to be used.

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1.7 Connecting the stove to a masonry chimney
A wall sleeve should be bricked securely into the wall of the chimney at the appropriate
height and the stovepipe inserted centrally. The pipe must not extend into the actual chimney
opening, but rather must reach only to the inside of the chimney aperture. The gap between
the stovepipe and sleeve must be sealed using glass bre packing rope.
Only use stovepipe components that comply to National and Local Building Regulations.
1.8 Connecting to a stainless steel insulated chimney system
If your installation involves taking the chimney straight up and through the ceiling, you must
comply with National, Local Building Regulations or ue manufacturers instructions concer-
ning clearances to combustible materials such as walls, oor joists and ceilings. The joint
between the stove ue collar and the stovepipe must also be sealed using the glass bre
rope provided. It is important that the insulated ue system is properly supported both at
ceiling level and at roof level.
THE STOVE MUST NOT BEAR THE WEIGHT OF THE CHIMNEY SYSTEM (See chimney ma-
nufacturer’s instructions). Excessive weight on the stove will inhibit expansion and could lead
to damage of the stove top. Damage caused to the stove in this way would not be covered
by the manufacturers guarantee.
In the event that a chimney re occurs as a result of faulty operation or prolonged use of
damp wood fuel, close the air vents completely and contact your local re department
immediately.
Be aware of the following:
Cleaning procedure: Discuss this with chimney sweep or qualied installer prior
to or during the stove installation
Chimney draft: If the chimney draft is naturally poor it is better to install the
ue from the top of the stove so as to minimise any internal resistance of the
ue gases.
Avoid having any more than 2 bends in the ue system and limit the length of
the oset between bends.
Fresh air supply
A wood-burning stove requires air for combustion and therefore you may need to
install additional ventilation to the room, especially so in well insulated houses.
If the air supply in inadequate the chimney draft may be too weak, with the pos-
sible result that the stove will not burn properly; smoke spillage may also occur
during the refuelling process.
On a positive note, a properly installed wood-burner will give even the most ef-
cient houses a pleasant and natural ventilation.

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Stove Type The Flue Gas Temperature at the The Flue Gas Flow is (gr/sec.)
rated output is (°C) relative to 20° C
Ø4 270 4,1
1.9 Draft conditions
If smoke spillage occurs when the re door is opened, it is probably due to poor chimney
draft. This type of stove requires at least 12 pa of chimney draft to achieve satisfactory com-
bustion and smoke spillage prevention. However, in cases where the stove door is opened
too vigorously you could expect that slight smoke spillage may occur.
Draft conditions
The chimney’s draft is the resulting eect within the ue caused by the dierence in
temperature within the ue and the cooler temperature outside. Other factors that
can inuence the level of draft include the length of the ue, insulation of the chim-
ney, adverse weather conditions or tall buildings or trees nearby the ue terminal.
Poor draft occurs when:
• The atmospheric temperature dierence is too low, e.g. a poorly insulated chimney.
If the chimney is excessively cool, it may help to ‘prime’ the ue before the re is
lit. Just place a screwed-up sheet of newspaper in the ue-ways of the stove and
ignite.
• The outside temperature is too high, e.g. during the summer months.
• There is no air movement (wind) outside.
• The chimney is not tall enough, with the result that the terminal sits in the lee of
the roof surface or in the vicinity of tall trees or neighbouring buildings. These con-
ditions are also associated with downdraft where the ue gases are pushed back
down the chimney.
• Flue draft is diluted by residual air entering the chimney, e.g. due to inadequate
ue-pipe joints or leaks at the cleaning door or ue collar.
• Unsealed, unused replaces are connected to the chimney.
• The ue is blocked, e.g. by soot, due to inadequate cleaning, loose debris or even a
birds nest.
• The house is too tightly sealed (see section on Fresh air supply).
A good draft is achieved when:
• The temperature dierence between the chimney and outside is high. This also ap-
plies during ring, when the need is greatest.
• The weather is clear and there is a good wind.
• The chimney is of the proper height, i.e. minimum 4 meters over the stove and the
termination adequately clear of the roof line.
If you have any doubts, you may want to have your installer measure the draft in the chimney.
If there is too much draft from the chimney, a damper device can be installed in the chimney
to reduce the draft.
Please note that this damper device must not close the aperture area in the chimney entirely.
There must be a clear opening of at least 20 cm2 when the damper is closed.

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2.0 Firing the stove/Using your stove
N.B!
Wood is a material that contains a great deal of gas (approximately 75 %). The gases
are released when the wood is lit and heated up. For this reason, it is important that
the gases are ignited quickly after stoking.
If the wood just lies smouldering, especially after re-stoking, a lot of smoke is
created, which, in the worst case, may cause an explosive ignition of the gasses, re-
sulting in damage to the stove.
In order to ignite the gases that are released from the wood, and to keep clear, la-
sting ames during the combustion process, it is important to let in the required
quantity of oxygen (air supply) at all times.
The setting of the air supply, the method of ignition and the lighting intervals de-
pend on the draught in the chimney, the wind and weather, the amount of heat re-
quired, the fuel, etc. This means that it may take some time before you get to know
the correct functioning of the stove under any given circumstances.
Although you can re your Morsø stove with almost all kinds of wood, you should
not re with wet wood, or unseasoned wood. Wood ought to be stored under a roof
for at least 1 year, and preferably 2 years, with free access to wind. Wood should be
chopped as soon as possible after felling if it is to dry quickly. The wood can be used
once the moisture content is less than 20%. During the ocial test, all stoves are
tested with wood with a moisture content of 16% ± 2.
Never use driftwood, as it usually has a high salt content, which damages both the
stove and the chimney. Impregnated and painted wood and chipboard emit poi-
sonous smoke and fumes, so they should not be used as fuel either.
Please note that liquid fuel may not be used in the stove.
Pieces of wood with a diameter greater than 10 cm should always be chopped.
The pieces of wood should be short enough to be able to lie at over the layer of
embers, with air at both ends.
The maximum length of fuel in the stove is 32-34 cm.
The maximum quantity of fuel is 2.5 kg/hour (max. 3 pieces of wood each time you
re-stoke).
The rst few times you light the stove, the re should be moderate, so that the heat-
resistant paint can harden before ring more vigorously. During the hardening pha-
se, the paint may develop obnoxious smoke and smell the rst time it is lit, which is
very normal. Make sure that the room is well ventilated during this period.
When heating up or cooling down, the material is exposed to major temperature
dierences that may cause the stove to give o creaking sounds.
The heat output of your stove is regulated by means of the 3 air inlets. A preheated air supplied
to the re across the glass window. The air is supplied when the handle under the ash lip is
pushed right in.
Another air supply that passes through the shaking grate is used when fuel with low gas con-
tent (coke) is used. The air is controlled when the handle under the ash lip is pushed right out.
A third air supply is a constant supply of pre-heated air introduced into the rebox via the unique
bae system. This air supply helps to establish an even more complete combustion process of
both fuel and gases. Control of this is factory xed and cannot be adjusted by the user.
The riddling grate is controlled by the riddling arm behind the door.
Your new Morsø stove is EN-tested and recommended to be red with wood.
The stove is intended for intermittent use.

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The heating capacity of the stove is regulated with an air-slide control, positioned under
the ash lip.
The primary air supply is
open and the secondary air
supply is suciently open
for using alternative types
of fuel.
Both the primary and
secondary air supply
are closed.
The secondary air
supply is open and the
primary air supply is
closed.
Stove Nominal Output (kW) Eciency %
Ø4 5,0 81
Model Maximum log length (cm) Recommended weight
per loading (kg.)
Ø4 25 1,5-2,0

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1. A layer of coals will form rapidly if the stove is lit
with 2 - 4 re lighters or 7 - 10 rolled up sheets of
newspaper, underneath roughly 1 kg of dry kindling.
2. Fully open the the secondary air supply. Push the
air control right in.
3. After the paper/relighters have caught re leave
the re door ajar 2-3 cm so that the chimney draws
well.
4. After 5-10 minutes the chimney draft should be es-
tablished, at this point close the re door. If all the
necessary conditions are met, a nice layer of em-
bers will start to accumulate after another 15 - 20
minutes.
2.1 Lighting and fuelling intervals
A lot of air is needed when rst lighting the stove. When starting with a totally cold stove,
it may be helpful to leave the door ajar (2-3cm) during the rst few minutes; the air intake
should be fully open.
Wood fuel burns well when placed onto an ash bed on the grate of the stove. To achieve this
you should burn roughly 1-2 kg of dry kindling the rst time you light the stove. You should
build and maintain the ash bed to a thickness of approximately 1 cm.

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8. Once the new fuel has taken, adjust the secondary air
amount to the desired setting; optimal combustion will
continue until glowing embers are produced.
Make sure that there is always enough air (oxygen)
to maintain clear, lasting ames when, and after, re-
ducing the amount of combustion air.
Under normal chimney draft conditions, expect to re-
fuel your stove every 60 - 70 minutes.
9. A new charge of wood can be added by repeating steps
5 & 6.
5. Refuelling of your stove should be done while there
are still glowing embers in the bed. Spread the embers
across the bottom, but concentrated mostly towards
the front of the stove.
6. Place three pieces of fuel weighing roughly 0.6 kg and
measuring about 25 cm in length across the embers in
one layer, with spacing of roughly 1 cm between the pi-
eces of wood. Recommended length and weight are
shown on the diagram on page 9..
7. When the secondary air supply is opened all the way
and the door is closed, the new fuel will ignite in a few
minutes.
Important!
It is important that the fresh quantity of wood
starts to burn quickly. To ensure the fuel lights
quickly, open the combustion air to max. or le-
ave the door ajar to allow in the amount of air
needed to light the wood.
If, however, the wood only smoulders, there will
be a strong build-up of smoke, which at worst can
cause an explosive ignition of the ue gases with
the risk of material damage and personal injury.

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Comparison between wood-burning and oil-burning
Type of wood (moisture content 20%) No. of cubic metres per 1000 litre of Oil
Oak 7.0
Beech 7.0
Ash 7.2
Sycamore 7.5
Birch 8.0
Elm 8.9
The stove door should normally be opened gently the rst 2 - 3 centimetres, then you should
wait until the pressure has equalised before opening the door all the way. This technique will
prevent smoke from getting out, particularly when there is a poor draught. The stove door
should never be opened when the stove is being red vigorously.
Once the wood has burned out, it becomes glowing charcoal. If a good layer of embers has
already formed on top of a sucient layer of ash, the stove can keep warm for a very long
time, not least due to the favourable qualities of the cast iron.
We would strongly recommend that you do not leave your stove alit at night. It
harms the environment, and constitutes very poor use of the wood, as the gases in
the wood do not ignite at the low temperature, but settle as soot (unburned gases)
in the chimney and stove. Extreme conditions, such as poor draught in the chimney,
large quantities of wood or wet wood, may, in the worst-case scenario, cause an
explosive ignition.
When ring in the summer period, when there is minimal need for heat, the combu-
stion will be poor. The stove provides too much heat, so the combustion should be
reduced. But always remember to make sure that there are lasting ames until the
wood becomes charcoal. If you want a weaker re, stoke up using less wood.
If you re the stove using wet wood, a lot of the fuel’s thermal energy will be spent
forcing the water out of the wood, without releasing any heat to the stove. This in-
complete combustion results in a layer of soot being left in the stove, pipe and chim-
ney.

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3.1 External maintenance
The surface of the stove is painted with heat-resistant Senotherm paint. If the stove is used
too vigorously, the painted surface may take-on a greyish tinge. It is easily maintained by simply
vacuuming the surface with a soft brush attachment and applying two light layers of paint.
Ø-Collection stoves are painted using a Morsø Original Black (previously called Morsø dark
grey) or Morsø grey. The paint can be bought in a spray or a can.
3.2 Internal maintenance
Ceramic glass
If the stove is used and installed onto a ue with the correct draft, very little or no deposits
should appear on the ceramic glass. It is usual for soot deposits to appear during long slum-
bering res however, once the re has been re-established to a burn brightly, these deposits
should burn o.
If the glass window becomes thoroughly covered in soot due to faulty operation or poor
draft, the soot can be easily removed using, e.g. Stove Glass Cleaner, but please ensure that
the glass is cold before cleaning. Avoid fuelling the stove with wood so long that it presses
against the glass when the door is closed.
Reasons for sooted glass window:
• fuel is too wet (green)
• pieces of fuel/uncut wood are too thick
• operating temperature of the stove is too low
• too much air coming through bottom grate
• POOR FLUE DRAFT
Ceramic glass replacement
Ceramic glass cannot be recycled because it has a higher melting point that ordinary glass.
If ceramic glass is mixed with ordinary glass, the raw material is spoiled, and the reclaiming
process may be halted. Take care that the ovenproof glass does not end up among ordinary
recycled waste. That will be a great benet to the environment.
Note: Should be handed in to a recycling station as ceramic glass.
Internal cast-iron parts and/or wear components
The shaking grate, bae plate and other internal components that are in direct contact with
the re are all constituted as ‘wear’ components or consumables, as, they are exposed to
the most wear. When used properly, these parts will last for many years, but overly vigorous
use will naturally shorten the lifespan. The aforementioned parts are all easily replaceable.
If the bae plate is damaged or warped and is not replaced in time, the top plate could become
subject to excessively high temperatures, which may lead to damage here also.
Note: that no unauthorised alterations to the stove design should be undertaken, and always
ensure that any replacement parts purchased must be Ø-Collection original parts.
3.0 Routine stove maintenance

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Gaskets
The rope gaskets in the door will need regular inspection in order to ensure and maintain full
control of your stove’s burning rate; over time the rope gaskets will harden and will become
less airtight; at this point you will need to remove and replace will new. Use only the genuine
gasket kit, which comes with detailed replacement instructions.
NOTE:
Normal wear components (inner parts) are not covered by Manufacturer's Guarantee
Maintenance products (Spare Parts, Glass Cleaner, Paint, Gasket Kit, etc) are all available from
your authorised Ø-Collection dealer.
3.3 Cleaning the stove
During normal use and sweeping of your stove and chimney, a layer of ash, soot or debris can
form, particularly on the top of the bae plate. Any deposits allowed to build-up over time
will have an insulating eect on these parts, thus restricting expansion; this ultimately will
result in a shorter lifespan. The chrome-iron bae plate and bricks can easily be removed
from the stove and should be regularly checked for debris and cleaned. You must ensure that
your chimney sweep removes all soot and debris from the stove after the sweeping process.
Your chimney should be swept at least once a year; however a regular inspection of your
stovepipe and chimney will determine whether a more frequent approach should be adopted.
Ash
In order to achieve the highest combustion temperature possible when burning solely wood,
it is important that a 1cm deep bed of ash is established on top of the grate area. Excess ash
should be removed by simply agitating the grate by moving the riddling rod on the outside
of the stove; surplus ash will fall into the ash pan below the grate where it can be easily and
safely removed.
Be sure to empty the ash pan before it gets completely full; if the ash level reaches the un-
derside of the grate, air ow through the grate will be restricted and will lead to over-heating
and premature wear of the grate parts.
When emptying the ash pan always dump the waste ash into a metal container (dustbin)
where it can fully cool before being taken away by your refuse collector. Ash from a wood-
burning stove does not benet your garden as fertiliser.
Reasons for premature wear of internal parts
• Stove being used/red too vigorously
• Too much air passing through the bottom grate
• Use of excessively dry wood (wood from old furniture)
• Excessive debris collection on bae plate or inner reback (see section on cleaning)
• Ash level too high in the ash pan (see section on ash).

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Your new Ø-Collection stove is EN-approved for burning wood.
However, the stove is capable of burning other solid fuels as manufactured smokeless coal
or good quality anthracite (stove nuts).
BITUMINOUS HOUSE COAL SHOULD NEVER BE USED IN YOUR STOVE.
Before burning solid fuel
Install the chrome iron basket into the rebox.
Lighting with solid fuel
All air vents must be fully open during the lighting process.
Start by placing 5-10 crumpled sheets of newspaper or 2 relighters on the grate of the
stove; then carefully spread approximately 1 kg of well-dried kindling on the top. Light the
paper/relighters. Once the kindling has fully ignited, gradually add a small quantity of solid
fuel, adding a little bit more once it has ignited. Continue in this manner until the entire grate
is covered with glowing coals. The level of fuel in the stove should never exceed the level of
the front grate. Once the bottom half of the fuel bed is glowing, you should partly close the
bottom vent (on the ash pit door). Once the stove has reached your desired temperature
you can maintain the output by opening further for more heat or closing for less heat. The
secondary air regulator must always be open just enough so that the ames burn almost
clearly and the ceramic glass window stays clean.
Note: In cases where smokeless fuels containing petrocoke are burned, a pale greyish
layer may be deposited on the inner glass surface when the stove is lit. Fuels contai-
ning a high content petrocoke may cause a glistening in the surface of the ceramic
glass. Although visible, the structure of the glass will remain intact and the stove safe.
Glass aected in this way is not covered by manufacturer’s guarantee.
4.0 Alternative fuel types
In order to maintain the combustion process, the entire grate area must remain covered by
glowing coals. If the coal layer is too shallow you will have less heat.
You must empty the ash pan whenever it becomes full. Dierent fuels have dierent ash
content and therefore the regularity of the de-ashing process can vary.
Fuel storage
Your fuel supply should always be stored in a suitable, weather-tight coal bunker. These are
usually available through your approved coal merchant.

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Health and safety precautions
Special care must be taken when installing the stove such that the requirements of the He-
alth and Safety at Work Act are met.
Handling
Adequate facilities must be available for loading, unloading and site handling.
Fire Cement
Some types of re cement are caustic and should not be allowed to come into contact
with the skin. In case of contact wash immediately with plenty of water.
Asbestos
This stove contains no asbestos. If there is a possibility of disturbing any asbestos in the course
of installation then please seek specialist guidance and use appropriate protective equipment.
Metal Parts
When installing or servicing this stove care should be taken to avoid the possibility of per-
sonal injury.
Note of references to the current UK regulations
In all cases the installation must comply with current Building Regulations, Local Authority
Byelaws and other specications or regulations as they aect the installation of the stove.
It should be noted that the Building Regulations requirements may be met by adopting the
relevant recommendations given in British Standards BS 8303, BS EN 15287-1:2007 as an
alternative means to achieve an equivalent level of performance to that obtained following
the guidance given in Approved Document J.
Please note that it is a legal requirement under England and Wales Building Regulations
that the installation of the stove is either carried out under Local Authority Building Con-
trol approval or is installed by a Competent Person registered with a Government appro-
ved Competent Persons Scheme. HETAS Ltd operate such a Scheme and a listing of their
Registered Competent Persons can be found on their website at www.hetas.co.uk.
This stove must not be installed into a chimney that serves any other heating appliance.
More detailed advice about existing chimney usage
NOTE: A chimney height of not less than 4.5 metres measured vertically from the outlet
of the stove to the top of the chimney should be satisfactory. Alternatively the calculation
procedure given in EN 13384-1 may be used as the basis for deciding whether a particular
chimney design will provide sucient draught.
The outlet from the chimney should be above the roof of the building in accordance with
the provisions of Building Regulations Approved Document J.
If installation is into an existing chimney then it must be sound and have no cracks or other
faults which might allow fumes into the house. Older properties, especially, may have
chimney faults or the cross section may be too large i.e. more than 230 mm x 230 mm. Re-
medial action should be taken, if required, seeking expert advice, if necessary. If it is found
necessary to line the chimney then a ue liner suitable for solid fuel must be used in accor-
dance with Building Regulations Approved Document J.
5.0 HETAS amendments

17
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Any existing chimney must be clear of obstruction and have been swept clean immediately
before installation of the stove. If the stove is tted in place of an open re then the chim-
ney should be swept one month after installation to clear any soot falls which may have
occurred due to the dierence in combustion between the stove and the open re.
If there is no existing chimney then any new system must be to the designation described
above and in accordance with Building Regulations Approved Document J.
A single wall metal uepipe is suitable for connecting the stove to the chimney but is not
suitable for use as the complete chimney. The chimney and connecting uepipe must have
a minimum diameter of 150 mm and its dimension should be not less than the size of the
outlet socket of the stove.
Any bend in the chimney or connecting uepipe should not exceed 45°. 90° bends should
not be used.
Combustible material should not be located where the heat dissipating through the walls
of replaces or ues could ignite it. Therefore when installing the stove in the presence
of combustible materials due account must be taken of the guidance on the separation of
combustible material given in Building Regulations Approved Document J and also in these
stove instructions.
If it is found that there is excessive draught in the chimney then a draught stabiliser should
be tted. Fitting of a draught stabiliser will aect the requirement for the permanent air
supply into the room in which the stove is tted in accordance with Approved Document J
(see also combustion air supply).
Commissioning and handover
Ensure all parts are tted in accordance with the instructions.
On completion of the installation allow a suitable period of time for any re cement and
mortar to dry out, before lighting the stove. Once the stove is under re check all seals for
soundness and check that the ue is functioning correctly and that all products of combu-
stion are vented safely to atmosphere via the chimney terminal.
On completion of the installation and commissioning ensure that the operating instruc-
tions for the stove are left with the customer. Ensure to advise the customer on the cor-
rect use of the appliance and warn them to use only the recommended fuel for the stove.
Advise the user what to do should smoke or fumes be emitted from the stove. The custo-
mer should be warned to use a reguard to BS 8423:2002 (Replaces BS 6539) in the pre-
sence of children, aged and/or inrm persons.
Warning note on fume emission
Properly installed, operated and maintained this appliance will not emit fumes into the
dwelling. Occasional fumes from de-ashing and re-fuelling may occur. However, persistent
fume emission is potentially dangerous and must not be tolerated. If fume emission does
persist, the following immediate actions should be taken:-

18
a) Open doors and windows to ventilate room.
b) Let the re out or eject and safely dispose of fuel from the appliance.
c) Check for ue or chimney blockage, and clean if required.
Do not attempt to relight the re until the cause of the fume emission has been identied
and corrected. If necessary seek expert advice.
Extractor fan
There must not be an extractor fan tted in the same room as the stove as this can cause
the stove to emit smoke and fumes into the room.
Permanent air vent
The stove requires a permanent and adequate air supply in order for it to operate safely
and eciently.
In accordance with current Building Regulations the installer may have tted a permanent
air supply vent into the room in which the stove is installed to provide combustion air. This
air vent should not under any circumstances be shut o or sealed.
Chimney cleaning
The chimney should be swept at least twice a year. It is important that the ue connection
and chimney are swept prior to lighting up after a prolonged shutdown period.
If the stove is tted in place of an open re then the chimney will require sweeping after a
month of continuous operation. This is a precaution to ensure that any “softer” deposits
left from the open re usage have not been loosened by the higher ue temperatures ge-
nerated by the closed stove.
Periods of Prolonged Non-Use
If the stove is to be left unused for a prolonged period of time then it should be given a
thorough clean to remove ash and unburned fuel residues. To enable a good ow of air
through the appliance to reduce condensation and subsequent damage, leave the air con-
trols fully open.
Use of reguard
When using the stove in situations where children, aged and/or inrm persons are pre-
sent a reguard must be used to prevent accidental contact with the stove. The reguard
should be manufactured in accordance with BS 8423:2002 (Replaces BS 6539).
Use of operating tools
Always use the operating tools provided when handling parts likely to be hot when the st-
ove is in use.
Aerosol sprays
Do not use an aerosol spray on or near the stove when it is alight.

19
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MaintenanCE parts for Ø-Collection
Description Product Code
Ø4
Riddling Grate 44203300
Coal insert 33000200
Grate Frame -
Bae, lower 33005800
Bae, upper 33006000
Draft Reducer 73002661
Glass 79000100
Tertiary Bae 73005961
Back brick 79006900
Side brick 79007000
Guarantee
Product Registration
MORSØ 10 YEAR GUARANTEE CERTIFICATE
Behind every Morsø stove is more than  years of dedicated stove design and manufacturing experi-
ence. Quality control has always been at the heart of the production process and detailed measures
have been put into place at all key stages of the build. Accordingly, provided that the stove has been
supplied by an authorised Morsø dealer, Morsø will oer a 10-Year Manufacturers Guarantee against
manufacturing defect to any of the main exterior body parts of its stoves.
Read more about ”Morsø 10 years guarantee/product registration card” and
register your new Morsø stove online:
http://international.morsoe.com/warranty-registration

20 MORSØ JERNSTØBERI A/S . DK-7900 NYKØBING MORS
E-Mail: [e-mail] · Website: www.morsoe.com
Morsø Jernstøberi A/S - 13.12.2016 - 72000200
IMPORTANT!
How to heat safely for the environ-
ment and yourself!
• Use only dry wood
Use only dry (max. 20% moisture content)
and untreated wood. The fuel must be split
and 8 - 12 cm thick.
• Light
Light with dry kindling (use 1 - 2 kg). Leave
the door ajar and stay close to the stove
during the lighting phase.
• Good layer of embers
Be certain to have a good layer of em-
bers before relling. The wood should
light within 2 minutes. If the logs do
not ignite it may, in an extreme case,
cause the flue gases to ignite which
may pose a risk to material damage or
personal injury.
• Refuelling
When refuelling use 2 - 3 pieces of wood-
no more than 2 - 2.5 kg.
• Ensure adequate air
I.e. clear and yellow ames.
• Never burn overnight