Dovre Fireplace 2020, 2220, 2520, 2200, 2500 Installation Instructions And Operating Manual
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INSTALLATION INSTRUCTIONS AND OPERATING MANUAL
FIREPLACE
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Table of contents page
Foreword
1. Introduction .......................................................................................................................3
2. Safety ...............................................................................................................................3
3. Principle ............................................................................................................................4
4. Installation guideline ............................................................................................................5
4.1. Preparatory measures .....................................................................................................5
4.1.1. The chimney ........................................................................................................5
4.1.2. Ventilation ..........................................................................................................6
4.1.3. Floor, walls ..........................................................................................................7
4.1.4. Combustible material round the fireplace ...................................................................8
4.2. Preparation ..................................................................................................................8
4.2.1. Changing the direction of the door-opening ................................................................8
4.2.2. Removing the clapet ..............................................................................................8
4.2.3. Fitting frame surround ...........................................................................................9
4.2.4. Assembling the “cold handle” ..................................................................................10
4.2.5. Electrical connection ..............................................................................................10
4.3. Installation ...................................................................................................................11
4.3.1. To be built into a new chimney ................................................................................11
4.3.2. To be built in a existing chimney ..............................................................................11
4.4. Finishing .....................................................................................................................12
4.5. Packaging materials .......................................................................................................12
5. Instructions for use ..............................................................................................................15
5.1. Fuel ............................................................................................................................15
5.2. Lighting a fire ...............................................................................................................15
5.3. Burning wood ...............................................................................................................16
5.4. Burning coal .................................................................................................................16
5.5. Ash removal .................................................................................................................17
5.6. Extinguishing the fire .....................................................................................................17
5.7. Weather conditions ........................................................................................................17
6. Maintenance .......................................................................................................................18
Annex 1 : Technical data sheet ....................................................................................................19
Annex 2 : Dimensions .................................................................................................................20
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Foreword
The Installation Manual and Operators Instructions must accompany this appliance.
As well as instructions for installation and information about use, you will also find
advice concerning safety and maintenance.
Please read this booklet carefull y before installation and before firing the unit.
Save this booklet and pass to any subsequent user who can also profit by it.
1. Introduction
Your DOVRE purchase has made you the owner of a high quality product that symbolizes a new generation of energy-saving and ecologically safe heaters, producing
convection heat as well as radiant heat with optimum efficiency. Through the application of a revolutionary combustion concept DOVRE heaters achieve astonishing
results in full compliance with strict environmental and safety norms. Also, you will
be enjoying the lovely sight of the fire blazing in the stove.
Our heaters are produced in accordance with ISO 9002, using state-of-the-art produc tion means.
In the unlikely event of a malfunction, you can always rely on DOVRE’s after-sales
service. Any unauthorised modific ation of the appliance is forbidden and use only
replacement parts recommended by the manufacturerr.
This heater is designed to be installed in a living room and to be hermetically connected to a flue (chimney).
If the stove is professionally installed, connected to a well-functioning chimney and
sufficiently ventilated, you can take the long -term and trouble -free functioning of
your heater for granted.
Please consult an expert when installing and connecting the heater. The manufacturer cannot be held liable for problems caused by faulty installation.
2. Safety
The heating unit is best installed, commissioned, and checked by a competent installer who is aware of national and local legislation.
The heater is designed to heat a room, which means that all surfaces, including the
front glass, can get very hot (> 100 °C).
Please do not place any curtains, clothes, laundry, furniture or other combustible
materials on or near the heater.
It is advised to make a fire in the stove with the highest possible intensity right after
it is installed, so as to cure the heat-resistant paint finish. This may involve some
odour production, which will however disappear after a while.
It is necessary to maintain and regularly clean the stove and the chimney for the
stove to function safely and for a long period of time. Please follow the cleaning instructions in the chapter concerned.
In case of a chimney fire, immediately close all air intake vents of the appliance and
alert the fireman.
Broken glass should be replaced before using the heater again.
The stove is specifically designed for burning certain kinds of fuels. In the technical
specifications under cover you can find detailed information concerning this topic. It
is absolutely prohibited to burn fuels other than these, as this may damage your
heater. Moreover, it is ecologically harmful.
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3. Principle
The Dovre model is designed to provide a fireplace convection system without the
need to construct a masonry convection chamber. The principle of operation is
that the cooler air from the lower part of the room is drawn under the base of the
inner cast iron unit. Warm air is produced from the inner cast iron surfaces of the
appliance and this warm air develops between the surfaces of the steel convection
case and the outer surfaces of the cast iron combustion chamber. Flexible piping
may be used to carry the warm air from the appliance to outlet grills to be located
where heat is required. This can be either in the same room as the appliance or in
other rooms even at first floor level. It is essential to ensure that the warm air
flexible pipes are allowed to rise from the appliance.
The cooler room air entering the lower level moves the warm air by convection,
and fan assistance whilst the fans are operating, to be discharged into the room
through the space at the top of the appliance or via flexible pipework.
1. Primary combustion air
2. Secondary combustion air
3. Cool air for convection
4. Convected warm air
5. Twin power fans for boosting convection
6. Passage of combustion air
7. Removable ashpan
8. Rear protection plate
9. Passage of flue gases
10. Outer convectioncasing
11. Clapet
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4. Installation guideline
4.1. Preparatory measures
The fireplace should be hermetically connected to a well-functioning chimney, sufficiently enclosed to keep combustible materials (floor and walls) at a distance, and
should be installed in a room with sufficient ventilation.
Please inform about national or local norms and regulations concerning this subject.
Your distributor will give you the necessary advice.
You can also consult the fire department and/or an insurance company about specific demands or regulations.
Please read the technical specifications under cover in this manual before installing
the appliance.
4.1.1. The chimney
The chimney (the flue) has a double function:
• It draws air, that is necessary for good combustion, into the stove.
• It functions as an exhaust pipe for combustion gases via thermal or natural
draught. Thermal draught is caused by the difference in heat between the air in and outside the flue. The heated air in the flue is lighter than the colder air ou tside the flue and consequently rises up, along with the combustion gases. Natural draught is caused by environmental phenomena, such as wind.
It is prohibited to connect several heaters to one chimney (for instance the central
heating boiler), unless local or national regulations allow this.
Please check which chimney is to be used for the stove you purchased and whether
your chimney is appropriate for this specific usage. You should consider an expert's
opinion on this matter.
The chimney should meet the following conditions:
• The flue should be made of fireproof material. Ceramic or stainless steel is re-
commended.
• The chimney should be airtight and thoroughly cleaned and should guarantee a
sufficient draught (a draught or negative pressure of 15 to 20 Pa is ideal under
normal circumstances).
• It should run as vertically as possible. Changes in direction or horizontal seg-
ments will disrupt the smoke flow and may cause soot to cumulate inside the
flue (and clog the flue!).
• The chimney's inside dimensions must not be too large in order to prevent the
smoke from cooling off too much. For recommended chimney dimensions, see
the technical specification under cover. Larger dimensions can be used if the flue
is well insulated.
• The flue's diameter should be the same throughout its whole length. Wider, or
especially narrower segments will disrupt the smoke flow and are best avoided.
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The same is true for a cover plate or exhaust hood on top of the chimney. The
exhaust hood must not narrow the chimney's outlet and should be designed in a
way that wind will not hinder, but promote the smoke flow.
• Especially if the flue runs through unheated rooms or outside the house, further
insulation is necessary. Metal chimneys, or parts of the chimney outside heated
rooms should always have double-walled, insulated flues. The part of the chimney outside the roof should always be insulated.
• The chimney should be high enough (at least four metres) and should end in a
zone that is clear of nearby buildings, trees or other obstacles. The rule of
thumb here is: 60 cm above the ridge of the roof. If the distance between the
ridge and the chimney measures more than three metres, see the dimensions
stipulated in the illustration below. Depending on the presence of nearby buildings or trees, the chimney should be higher.
4.1.2. Ventilation
The burning of wood, charcoal or gas involves oxygen consumption. It is of the utmost importance that the room in which the stove is installed should be sufficiently
ventilated.
Insufficient ventilation may disrupt the combustion process and cause the smoke
flow through the chimney to be interrupted, which may lead to smoke emissions
into the room. Mainly in case of a fireplace, together with the combustion gases, lots
of room air will be extracted through the chimney; that makes supply of sufficient
fresh air and ventilation extremely important.
If necessary, you can install a ventilation grille to provide a constant flow of fresh air
in the room. This precaution is particularly necessary in well-insulated rooms with
mechanical ventilation.
The DOVRE fireplace has been designed to produce most heat by means of convection. Heat is mainly transmitted through the back panel, the lateral panels, and the
smoke dome. Both the material (cast iron) and shape (increased heating surface by
means of corrugation) improve heat transmission to the surrounding air. As this air
is heated, it will rise and a natural hot air flow, i.e. convection, will develop. Up to
your choice, that hot air may be led to the same room or to another room.
For optimal heating and leading the convection air, the airflow must not encounter
any obstacles. Hence, it is important that there is enough space between the fireplace and the surrounding material, and that the inlet and outlet area of convection
air are sufficiently large.
min 0.5 m
3 m
min 1 m
highest point of the roof
within a distance of 3 m.
3 m
min 0.5 m
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Convection air may be led to arrive from both the room and outside (other room,
cellar, exterior) to the bottom side of the fireplace. In case convection air is supplied
(directly or indirectly) from outside, it may also be useful as a supply of fresh air for
combustion.
At any rate, assure proper home air management and sufficient air supply into the
room.
Ensure not to use other air-consuming appliances, such as heaters, cooking hoods,
bathroom ventilators, in the same room or in the house while the stove is burning;
or make sure to have an extra ventilation grille installed for these appliances.
4.1.3. Floor, walls
The appliance shall be installed on floors with an adequate load-bearing capacity.
Combustible material must be sufficiently protected. The floor under the fireplace
and the walls around it must not contain electric wires.
Under the appliance
Under the appliance, any combustible material must be removed or specially
shielded by means of a 6 cm concrete slab and 10 cm insulation. The legs of the
appliance may rest directly on the concrete slab and insulation must be applied inbetween the legs.
Floor round the appliance
A floor made of combustible material must be properly shielded in the following
areas:
Front: height of the lower part of the fire chamber + 30 cm, but 60 cm at least.
Sides: height of the lower part of the fire chamber + 20 cm, but 40 cm at least.
Walls, ceiling
Combustible walls behind, next to, or above the fireplace must be shielded with at
least a 10 cm stone or brick wall and 10 cm insulation. Fireproof materials should be
covered with at l east 6 cm insulation.
H
V
S
V > H + 30 >
60
V > H +30 > 60
S > H + 20 > 40
Maten in cm
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