How it Works
Bellfires
Loading...
SLIDE BELL 55 - 55

Bellfires SLIDE BELL 55 - 55 Installation Instructions And Instructions For Use

Download
INSTALLATION INSTRUCTIONS AND INSTRUCTIONS FOR USE
Wood-burning built-in fi re with lift door
SLIDE BELL 55 - 55
Bellfi res wishes you much pleasure and ambiance with your new Bellfi res fi re
This document is part of the delivery of your wood-burning built-in fi re.
Read it carefully before installation and use of the
fi re and keep it in a safe place!
3
Bellfi res
English
Instructions for use and installation instructions
BELLFIRES WOOD-BURNING BUILT-IN FIRE WITH LIFT DOOR:
SLIDE BELL 55 - 55
4
Bellfi res
English
Instructions for use and installation instructions
5
Bellfi res
English
Instructions for use and installation instructions
TABLE OF CONTENTS
Page
1. Introduction
1.1. Foreword..................................................
..............
...
.................
7
1.2. Safety and installation instructions
...............
.............
.................
7
2. Placing
2.1. Included.........
............................................................................ 9
2.2. Preparation for positioning...................
.........
.............
.....
...........
9
2.3. Accessories.....................................................................
....
....... 13
2.4. Basic requirements for positioning built-in fi res...
.......
................ 13
2.5. Construction requirements...........................................
....
....
....
.. 17
2.6. Heat-insulating materials..
.............
..............................
...............
18
2.7. Chimney
........................................
..............
.........
................
.......
20
3. Installation instructions
3.1. Requirements relating to the use of existing chimneys...
..........
. 22
4. Fitting the fi replace
4.1. Preparation / inspection of function...............................
....
....
....
. 24
4.2. Building-in a fi re in Germany and Switzerland
...
........
.........
........ 45
5. Operation of the fi replace................................................................
....
47
6. Stoking up for the fi rst time......................
..........................................
.. 48
7. Use
7.1. Ventilation..............
........
...............................
.......
.......
.......
.....
.... 49
7.2. Getting the fi re going.................................................................. 49
7.3. Instructions while stoking
.............
........
...........................
.......
....
. 50
7.4. Heating economically..........................
.......................
................. 52
7.5. Cleaning the window..........
.......................................................
.. 53
8. General hints
8.1. Tips.....................................................................
........................
54
8.2. Output.............................
......................................
..............
........ 55
9. Fuel
9.1. Wood....................................
...........
........................................... 57
10. Amount of fuel
10.1. Amount of fuel.
.................................................................
.......
....
58
10.2. Heat radiation.............................................................
............
.... 59
11. Regular maintenance....
......................................................................
. 60
12. Dimensions
12.1. Slide Bell 55-55.................................................
...............
..........
61
13. Technical data
.....
...................................
........
........
..............................
62
14. Frequently asked questions
......................
..........................
......
...
........
64
6
Bellfi res
English
Instructions for use and installation instructions
7
Bellfi res
English
Instructions for use and installation instructions
1. INTRODUCTION
1.1. FOREWORD
We would like to congratulate you on your purchase of this modern Bellfi res built-in wood fi re. This quality product will give you years of heating pleasure as you enjoy the play of the fl ames and the cosy glow of the fi re. This manual contains directions for both positioning the appliance and for its environmentally-friendly use. It also contains technical data for the appliance, parts information and directions in the event of problems. Study this manual carefully before using the stove. We recommend you keep this manual in a safe place for reference purposes.
1.2. SAFETY AND INSTALLATION INSTRUCTIONS
Safety
• Do not place fl ammable objects within 150 cm of the appliance. Pay special attention to furnishings and ornaments around the fi re.
• When you use your fi re, the exterior will become hot. Always wear the glove or use the accessories supplied when fi lling etc. Protect yourself and others (especially children!) from burns. Do not leave children unattended when the fi re is burning.
• Watch your clothing. Synthetic clothing in particular can easily catch fi re and burn intensely.
• Do not approach the appliance with fl ammable materials or liquids. Any work with solvents, adhesives etc. in the space heated by the fi re can be very dangerous.
• Make sure you know what state your chimney is in. Cracks in the chimney may not only lead to damp, staining of walls and leaking of smoke, they can also impair the carrying off of smoke. Make sure you get proper advice from your Bellfi res dealer or other specialist company.
• Avoid chimney fi res! Have your chimney swept at least once per year - more often if you use your fi re a lot. Prevent excessive deposits of soot inside the chimney by not burning freshly-cut wood. Instead, burn clean, dry chopped wood.
8
Bellfi res
English
Instructions for use and installation instructions
• Do not use your built-in fi re as a barbecue. This can cause (fl ammable) fat deposits to be left in the chimney and hastens the chimney becoming clogged. Prevent your chimney being soiled from above (birds’ nests etc.) by fi tting a suitable cap to the chimney pot.
• Follow the instructions issued by your local fi re brigade.
The fi re can be taken in operation if national and local regulations are
satisfi ed. The required constructive adaptations should be satisfi ed as well.
Installation instructions
• Wood and wood briquettes may be stoked in the fi re.
Coals can’t be burned in the fi re.
• Never use the appliance to burn rubbish.
• Please read all instructions/stickers on and around the appliance.
• Please also study the directions for use before using the appliance for the fi rst time. When you fi rst fi re up your appliance, there are a number of extra points you should take into account. See chapter 6.
• In transit, some parts of the appliance may have moved from their original place. The Slide Bell is a built-in fi re with lift door. Check that the door opens and closes, the retardant plates (brake plates) are fi tted correctly to the brackets at the top of the fi re, the interior panels are fi xed to the walls and the stones on the bottom have not moved.
• Avoid over-loading (white burning glow), caused, for example, by lengthy burning with a fully open primary air vent (combustion air supply slider all the way to “ + ”), or by burning too much wood in one go. The fi re can then become over-heated.
• The appliance may only be set up if the appliance and location meets the
- national and local installation regulations;
- local fi re brigade regulations and required architectural provisions.
9
Bellfi res
English
Instructions for use and installation instructions
2.2. PREPARATION FOR POSITIONING
• Dismantle the metal plate on the front (above the fi re opening) by unscrewing the screws on the sides and the top (hexagonal 7).
2. PLACING
2.1. INCLUDED
Documentation • Warranty
• Manual
Loose in appliance • Glove (Heat resistant up to max. 95°C)
• Handle
• 2x Collar rings Ø125 mm (for the convection opening on the top of the fi re)
10
Bellfi res
English
Instructions for use and installation instructions
• Remove the plastic tie-wraps with which the chains are secured.
• Ensure that the chains are properly placed on the chain wheels.
• Check whether the lift door is functioning properly.
11
Bellfi res
English
Instructions for use and installation instructions
• If necessary, adjust the lift-door, using the two ‘screw thread eyes’ (on the top of the lift door). Ensure that the bottom of the lift door fi ts horizontally to the sealing strip.
• Reassemble the metal plate to the appliance.
• In addition, check the way the door tilts forward to allow the glass to be cleaned.
12
Bellfi res
English
Instructions for use and installation instructions
• Report any defects immediately to your dealer.
• Remove enclosed documents and components from the built-in fi re.
• Fit the fan-set (optional). See Chapter 4.1.
• Important: Using a hammer, open the two convection openings
on the top of the fi re !! In this way, the discharge of the heat that accumulates in the convection casing is guaranteed.
Ensure that the casing/fi replace has suffi cient ventilation openings. (See Chapter 2.3; The casing/fi replace.)
• Check the operation of the slider for the regulation of the combustion air
intake (bottom left of the window).
13
Bellfi res
English
Instructions for use and installation instructions
2.3. ACCESSORIES
The following accessories can be supplied by your dealer:
Part no Accessorie
323105 Fan set Slide Bell: Set, consisting of 2 convection fans (230 VAC / 90 W each) including fan speed controller and assembly material.
312829 Convection set General: (for convection air extraction) Advice: use if appliance is installed with fan-set. 302188 • 1x Flexible aluminium pipe Ø125 mm, L= 3 m (max.)
310178 • 2x Fitting box 135 x 135 mm 309872 • 2x Convection exit grid, white, 145 x 145 mm 309730 • 2x Collar adaptor Ø125 mm 304040 • 4x Hose clamp Ø125 mm
2.4. BASIC REQUIREMENTS FOR POSITIONING BUILT-IN FIRES
General
The appliance may only be set up in a room in which the location, architectural construction and activity is not endangered by the presence of a fi re. The surface on which the appliance is to be placed must be correctly shaped and big enough to accommodate the appliance safely (in compliance with DIN 18895, part 1).
When fi tting, all local and/or national safety regulations must be followed closely, particularly in rooms with walls/fl oors containing fl ammable material. If in doubt, consult the fi re prevention department of your local fi re brigade and/or the architectural department of your local authority.
14
Bellfi res
English
Instructions for use and installation instructions
Built-in fi res may solely be used in:
• Rooms with at least one outer door or window that can be opened;
• A suite of rooms connected directly or indirectly with each other with a
collective supply of air.
In the aforementioned cases, the capacity of the room(s) must be at least 4 m³ per kW of nominal output.
Built-in fi res may only be constructed or moved into rooms where at least 360 m
3
combustion air per hour and per m2 clear fi re opening can circulate. If there are any other fi re-burning appliances in the same room, at least 540 m³ combustion air per hour and per m² clear fi re opening must be in circulation.
Other appliances must have at least 1.6 m³ combustion air per hour, per total nominal output in kW at a calculated pressure difference of 0.04 mbar with the ambient air.
Built-in fi res must not be used in:
• Staircases, except in buildings with no more than two apartments.
• Entrances providing general access.
• Rooms in which highly infl ammable or explosive substances are processed or manufactured.
• Garages;
• Rooms or apartments with air conditioning or convection heating provided by fans, unless it can be guaranteed that they will not interfere with the working of the fi re. This is under the following conditions:
• the installation merely circulates air around the room;
• the installation has suffi cient safety provisions preventing the possibility of spontaneous and automatic underpressure being created in the room in which the fi re is situated;
• that the combustion air stream created by the fi re and the volume streams of the extraction installations in the room and adjoining rooms connected by de-aeration connections do not create underpressure greater than
0.04 mbar. This must also be guaranteed if easily accessible air- conditioning equipment is moved or removed from the room.
15
Bellfi res
English
Instructions for use and installation instructions
Provision of combustion and convection air
The local chimney sweep/authorities must be consulted prior to fi tting regarding the suitability and combustion air supply. DIN 18160 must be observed. DIN 18895 parts 1 and 3 also apply.
The air, which is piped in through a grill in the wall, ensures that the air in the room is refreshed and is also used for the combustion process. The combustion air is sucked in through the grill in the chimney breast and through the opening underneath the appliance. Because some of this air passes through the chimney breast, it can be referred to as pre-heated combustion air.
The built-in appliance can also be fi tted with an air duct (this is compulsory in Germany) which draws the combustion air directly from outside. The air intake must have a opening of at least Ø125. If required, the air pipe can be fi tted with a control damper. In this case, the position of the damper must be visible from the outside. The use of a direct combustion air intake is strongly advised if the appliance is fi tted with a convection fan set.
The casing / fi replace
• The casing may not be directly connected to the built-in fi re, but must be constructed so that it is self-supporting; a mantle iron or lintel should be used for this. The covering in the area must be of non-fl ammable materials of fl ame-retardant material class A1. This includes bricks, cladding, ceramic tiles, metal or plasterwork, Promatec and Nobranda.
• The opening for incoming and outgoing air from the casing must be at least totally 900 cm². At least 200 cm² from the opening for incoming and outgoing air must not be closable.
• The ventilation of the casing/fi replace can be provided by grills, but this can also be achieved by not building the fi replace right up to the ceiling (leaving a gap of 5 cm).
16
Bellfi res
English
Instructions for use and installation instructions
• When building in the appliance you can, if you wish, use a convection set (option) to connect the convection openings to the warm air exit grills in the chimney breast (See fi gure 1 and Chapter 4).
Figure 1: Use of convection set. Ventilation and combustion air intake via the chimney breast.
17
Bellfi res
English
Instructions for use and installation instructions
• Place the collar rings (2x) on the convection openings.
• The convection air pipes must be made of non-fl ammable material which cannot be distorted.
• Within a range of 30 cm either side and 50 cm above the escape opening, there must be no fl ammable materials (e.g. wooden ceiling, fi tted furniture).
• The convection casing of the built-in fi re must be covered all around with a 10-cm thick layer of insulation (use of ceramic wool is permitted).
2.5. CONSTRUCTION REQUIREMENTS
Built-in fi res must be constructed such that the adapter from the chimney and convection pipes can easily be cleaned.
There must be no electrical cables or gas pipes in the walls surrounding the area of the fi replace.
In accordance with construction regulations (in Germany), combustion air pipes in buildings with more than two inhabited fl oors containing piping and cabling running through fi re walls must be fi tted in such a way that fi re and smoke cannot escape to other fl oors or rooms.
18
Bellfi res
English
Instructions for use and installation instructions
2.6. HEAT-INSULATING MATERIALS
The heat-insulating materials to be used must meet specifi c quality standards. Manufacturers of insulating materials quote an insulation number on the packaging consisting of 10 numbers in accordance with the stipulations of AGI-Q132. Only those insulating materials listed in the adjacent table 1 or alternatives approved (in Germany) by DIBT may be used.
19
Bellfi res
English
Instructions for use and installation instructions
* Table 1: data on heat-insulating materials (permitted heat-insulating materials are those in grey).
Insulation material
Delevired in ...
Heat conductivity
Max user temperature
Density
Co­de
Co­de
Co­de
Co­de
Co­de
Sort Form
Can be delivered as
ºC kg/m³
99 99 99 99Other Tailor made
Different approval standard
Different approval standard
Mats (1)
Mats (2)
Bowls (1)
Bowls (2)
Plates (1)
Plates (2)
Strips
Individual fi bres
Granular fi bres
Felt
Fins mats
Mats
Plates
Bowls
Segments
Twisted
Mineral fi bre
Glass fi bre
Stone fi bre
Cinter fi bre
10
11
12
13
01
02
10
11
20
21
01
02
03
04
05
06
07
08
09
10
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
20
Bellfi res
English
Instructions for use and installation instructions
Summary of insulation properties:
• Temperature resistance > 700°C
• Density > 80 kg/m
3
• Insulation fi gure as per AGI-Q 132
• Must not end with 99 (see table)
2.7. CHIMNEY
Every fi re needs its own chimney. Multiple connections to one main chimney is not permitted. Ensure that any existing chimney is completely air-tight and in good condition. It must be suitable to accommodate the appliance in question. Make sure your chimney has a proper cap to prevent rain getting in and birds nesting on it.
The draught in your chimney determines how your fi re will burn. The recommended draught is approx. 15 Pa (0.15 mbar). Your chimney should be at least 4 metres tall from the point at which the chimney connects to the fi re. Chimneys which are well-insulated measuring in excess of 8 metres can develop a signifi cant draught if the fi re is raging. We therefore advise you to fi t a chimney damper or draught diverter between the fi re and the chimney.
2.7.1. Chimneys Slide Bell series
Ensure that any existing chimney is completely air-tight and in good condition. The diameter of the entire chimney, including the chimney pot on the roof must be at least Ø180 mm for the Slide Bell 55-55.
If there is no suitable chimney immediately available, we advise you to use double-walled insulated stainless steel pipe sections. A chimney must be compliant with the prevailing building regulations. Have a specialist carry out the building. When purchasing such pipe sections, we advise you to fi nd out whether some form of casing of the pipes is required.
A few points for your attention:
• chimneys must be free-standing, i.e. they must not rest on the appliance itself.
• all connections between the appliance and the chimney must be properly insulated.
• fl ammable material must be kept clear (outside the casing/insulation zone) of all through-feeds in the fl oor or wall (remember the roof decking).
21
Bellfi res
English
Instructions for use and installation instructions
Do not make any horizontal connections. Deposits and soot will collect here (unless it is a short horizontal connection directly behind the built-in fi re).
The chimney calculation, as in Germany, is made according to DIN 4705 parts 1 and 2 with each of the following measured values:
- mass fl ow of the fl ue gasses;
- temperature of the fl ue outlet on the fi re;
- chimney draught;
- nominal power output.
22
Bellfi res
English
Instructions for use and installation instructions
3. INSTALLATION INSTRUCTIONS
3.1. REQUIREMENTS RELATING TO THE USE OF EXISTING CHIMNEYS
The adapter material for the connection with the chimney must be made of at least 2 mm thick sheet steel and must be insulated with a heat-resistant material 3 cm in thickness. Connect the pipes to the existing chimney using a sliding sleeve in the ceiling (niche pipe). Check all connections for air-tightness. If the
smoke outlet leads through parts containing fl ammable material, such as walls, the adapter must be encased in at least 20 cm of a mineral substance (such as aerated concrete).
Protection of the basic surface (surface)
When fi tting a built-in fi re on a surface containing fl ammable material, the surface must be fi tted with a covering layer of a non-fl ammable material such as concrete with a thickness of 6 cm. The concrete plate must be of suffi cient dimensions to act as a bearing surface. The concrete plate must then be covered with at least 3 cm of heat insulation.
If a concrete pedestal is not immediately available, a pedestal should be built on the creeping space. Parquet or wooden fl ooring must not extend to within the chimney breast.
Protection of the fl oor, in front of the built-in fi re/fi replace
The fl oor, in front of the built-in fi re/fi replace must be made of non-fl ammable material. The minimum dimensions of these non-fl ammable surfaces must be as follows.
• At the front, the dimensions are determined by the height of the heating area measured from the bottom plate (h) plus 30 cm (h+30 cm), however no less than 50 cm.
• At the sides, the dimensions are determined by the height of the heating area measured from the bottom plate (h) plus 20 cm (h+20 cm), however no less than 30 cm.
Construction parts containing fl ammable substances or material and fi tted furniture within the radiation area of the fi tted fi replace
Any fl ammable materials should be kept outside an imaginary circle with an 150 cm radius centred on the built-in fi re.
23
Bellfi res
English
Instructions for use and installation instructions
Ceiling above the built-in fi re/fi replace
If the hollow space above the fi re reaches as high as the ceiling, it must be protected if it contains any fl ammable material and/or if it is a bearing structure. Such protection should be in the form of a 10-cm thick heat-insulating layer.
Construction parts containing fl ammable substances or material and fi tted furniture outside the radiation area of the fi tted fi replace
There must be a distance of at least 5 cm between the outside surfaces of the chimney breast/casing/fi replace into which the fi re is built and the construction parts of infl ammable building material and infl ammable components, such as integrated furniture.
Expansion seams
Between the fi re and its casing/fi replace, an expansion seam must be factored in to calculations. This may be fi lled in with ceramic sealing tape.
The casing/fi replace must also be covered on the inside with a layer of insulation material. It is not necessary to insulate the casing if the fi tted fi replace is designed so that the free surfaces thereof cannot get hotter than 85°C.
24
Bellfi res
English
Instructions for use and installation instructions
4. FITTING THE FIREPLACE
4.1. PREPARATION / INSPECTION OF FUNCTION
• Remove the transport security, see chapter 2.2.
• Check the function of the lift door.
• Check the operation of the combustion air supply slider.
• Check the position of the retardant plates (brake plates).
• Check whether the convection holes Ø125 mm (2x) on the top side are open.
• Check that the fan, once fi tted, is in working order.
Positioning of the fi replace
The fi re must be positioned on a concrete surface. If such a surface is not immediately available, a pedestal must be built from the creeping space.
The appliance can be placed in position using the carrying brackets supplied.
The space between the fi replace (hearth surround/brick work) and the fi re itself should be left completely open so that there is an empty space. At least 25 cm of free space should be left on both sides of the fi re. Then a later installation of a fan set is always possible. Ventilate the fi replace, by placing ventilation openings at the top and bottom of the chimney breast. The total ventilation openings should be at least 450 cm2 at the bottom of the chimney breast and also at least 450 cm2 at the top of the chimney breast. (Total ventilation openings: 900 cm2.)
25
Bellfi res
English
Instructions for use and installation instructions
Figure 2: Use of ventilation of fi replace
The ventilation openings at the top should be at least 50 cm below the ceiling
Ventilation openings
Positioning the fan set (option)
The convection fan system (2 fans) is connected to both sides of the fi re without making use of fl exible connection hoses. It is necessary to leave additional space at the sides of the fi re for this as described above.
The fan set consists of:
• 2 fans
• gaskets
• 1 fanspeed controller with built-in box
• 1 junction box/wiring
• assembly material
Fitting the fan set:
• Remove the 5-pronged plug from each fan.
• The fan set can be fully assembled from inside the fi re.
• Carefully remove the bottom plates, left and right, from the fi re. Use a wide and fl at screwdriver for this. Make sure no pieces are broken off.
26
Bellfi res
English
Instructions for use and installation instructions
• Remove the bottom plate (strip) at the front.
This will cause the ventilation panel (strip with slot openings) to drop downwards.
27
Bellfi res
English
Instructions for use and installation instructions
• Remove the rear side panels (left and right) carefully, using a wide, fl at screwdriver.
• Slide the front side panels to the back and remove them.
• Remove the ventilation panel that is now resting on the metal bottom.
28
Bellfi res
English
Instructions for use and installation instructions
• The inner metal panels (left and right) can now be unscrewed (8 x cross-
headed).
• Unscrew the outer metal panel (left and right).
29
Bellfi res
English
Instructions for use and installation instructions
The fan can now be fi tted to this using 4 nuts and bolts. Note ! : Place gaskets between fan and outer plate.
30
Bellfi res
English
Instructions for use and installation instructions
• Connect the plug (fi ve-pronged) to the cable tree
• Place the cable tree, if possible, under the fi re!
• Place the built-in box no more than 1 metre from the fi re or near the fi replace.
• Fit the fanspeed controller into the built-in box.
• Check the operation of the fan set.
Note ! : The fan set should be connected to an earthed wall socket. This socket must remain accessible at all times. The electrical connection must be undertaken by a qualifi ed
professional.
• Fit/place all components back in the appliance in the reverse order to above.
The fans are at all times accessible via the fi re for service purposes. By means of the hollow area and the openings at the front or on both sides of the chimney breast, the fan system will extract suffi cient air from the room to be heated for the convection box of the fi re.
Dimmer with integrated ON - OFF switch. For installation in built-in box.
Built-in box for dimmer.
31
Bellfi res
English
Instructions for use and installation instructions
The combustion air supply
The combustion air supply connection is located on the under side of the appliance.
Air supply connection on the under side of the appliance
Note Always ensure that there is suffi cient open space under the appliance for the combustion air supply.
32
Bellfi res
English
Instructions for use and installation instructions
Connecting direct air supply connection
Note: The complete interior of the appliance, including the retardant plates (brake plates) are made of a heat-resistant material that is very fragile.
1. Dismantling interior of appliance:
• First, carefully remove the bottom plates, left and right, from the fi re.
Use a wide, fl at screwdriver for this. Make sure no pieces are broken off.
33
Bellfi res
English
Instructions for use and installation instructions
• Remove the bottom plate (strip) at the front. This will cause the ventilation panel (strip with slot openings) to drop downwards.
• Remove the ventilation panel (strip with slot openings) that is now resting on the metal bottom.
• Remove the rear side panels (left and right) carefully, using a wide, fl at screwdriver.
34
Bellfi res
English
Instructions for use and installation instructions
• Slide the front side panels (left and right) to the back and remove them.
• If you wish, you may also remove the two retardant plates (brake plates).
• Lower retardant plate:
Position of lower retardant plate. Lower retardant plate. View; seen from below Remove this by tilting it upwards, from the combustion chamber. tipping it forwards and removing it.
35
Bellfi res
English
Instructions for use and installation instructions
• Upper retardant plate:
Position upper retardant plate. Upper retardant plate. View; seen from below Remove this by tilting it upwards, from the combustion chamber. tipping it forwards and removing it. (The lower retardant plate is already removed.)
2. Dismantling metal bottom plate appliance:
• Dismantle the upper metal bottom plate by unscrewing the bolts
36
Bellfi res
English
Instructions for use and installation instructions
• Remove the upper metal bottom plate using a screwdriver.
• Remove the air slider.
37
Bellfi res
English
Instructions for use and installation instructions
• Dismantle the lower metal bottom plate by unscrewing the bolts.
• Remove the lower metal bottom plate.
38
Bellfi res
English
Instructions for use and installation instructions
3. Fitting combustion air supply tube/pipe Ø125 mm:
• Insert the metal (fl exible) pipe under the appliance through the opening in
the bottom.
• Fix the tube to the lower metal bottom plate using a tube clamp or
parker screws.
39
Bellfi res
English
Instructions for use and installation instructions
• Insert a piece of pipe (Ø125 mm) between the pipe and the external air supply opening in the wall with, if required, a movable damper, in such a way that the pipe with operating lever is fi tted so that the damper can be opened and shut from the living area. Check that everything works correctly.
• Fit a grill to the outside wall.
4. Assembly of the interior and bottom plates takes place in the reverse order.
The appliance can be built in using brickwork or by means of fi re-resistant plates that are screwed to a metal frame. You can, if you like, erect a natural stone mantelpiece in front of this. Note ! : Ensure that there is a clearence of 2 mm between the brick work/fi reproof plate in connection with the appliance expanding when hot.
Convection set (option!)
• If required, a convection set can be added when installing the appliance.
• Use convection set: The function of the convection set (option) is to improve the convection through the appliance, resulting in effi ciency improvement and preventing high temperatures in the chimney breast. The set consists of: • 3 m alufl ex
• 2 exit grids (white)
• 2 collar adaptors Ø125 mm
• 4 hose clamps
• Assembly convection set: ° Secure the 2 collar adaptors to the appliance. ° Now connect the fl exible hoses to the 2 collar adaptors (Ø125 mm) on the top of the fi re and to the metal fi tting box on the air exit grids that are being used (do not forget to fi t hose clamps). ° Ensure that the fl exible hose connections are gastight.
40
Bellfi res
English
Instructions for use and installation instructions
° If desired, insulate the fl exible pipes with heat-insulating material that is
resistant to temperatures in excess of 700°C. ° The air exit grids cannot be fi tted until a few days later, once the masonry has been pointed and allowed to dry. If one or more channels are connected leading to other rooms, these rooms must be fi tted with closable grids. These are available from your dealer, as well as the fl exible hoses and clamps required. ° Within a range of 30 cm either side and 50 cm above the escape opening (exit grids), there must be no fl ammable materials (e.g. wooden ceiling, fi tted furniture).
• Cover the top, side and rear of the appliance to the front edge with c. 10 cm
thick insulating material (T ≥ 700°C) (Class A1 according to DIN 4102 (= EN 13501)). Leave a few centimetres clearance between the front of the chimney breast and the appliance.
• Ensure the appliance is level by adjusting the feet to the correct height.
Use a no.17 spanner for this.
• Make a good seal between the fl ue outlet from the appliance to the chimney.
See also 2.7. Ensure that the entire fl ue is gas-tight.
• Ventilate the chimney, by placing ventilation openings at the top and bottom
of the chimney breast.
• Close up the front.
41
Bellfi res
English
Instructions for use and installation instructions
COLOUR DIMENSION (cm) CLEAR OPENING (cm2)
White 13.5 x 13.5 75 (incl. fi tting box)
White 27.0 x 13.5 150 (incl. fi tting box)
White 43.0 x 22.0 550
• If the fi re is to be placed against a bearing wall or against a wall containing fl ammable material, an air gap of at least 20 mm should fi rst be created. Before it a false wall, 100 mm thick, must be built of masonry or aerated concrete.
• If the fi re is not placed against a bearing wall or a wall containing fl ammable material, no false wall is necessary. Layers of insulation of at least 100 mm thickness will then be suffi cient (class A1, DIN 4102-compliant).
• After four weeks, your fi re will be ready for use.
Available grids (option) for ventilating the fi replace:
42
Bellfi res
English
Instructions for use and installation instructions
Fitting an Slide Bell-fi re against a wall with fl ammable material
Fire against a bearing wall or wall with fl ammable material
T≤ 85ºC
20 mm air cavity
≥ 10 cm insulation, see table 1, pag 15
> 10 cm additional false brick wall
Mounting a Slide Bell-fi re against a fi reproof wall
Fire against a non-bearing and non­fl ammable wall
T≤ 85ºC
≥ 10 cm insulation see table 1, page 15
43
Bellfi res
English
Instructions for use and installation instructions
Slide Bell built into chimney breast
1 Combustion air supply via grate in outside wall 2 Inlet opening (grate) (chimney breast) combustion and convection air 3 Inlet opening (appliance) combustion air 4 Inlet opening (appliance) convection air 5 Natural convection in the chimney breast 6 Outlet opening (appliance) convection air 7 Outlet opening (grate) (chimney breast) convection air 8 Flue gas outlet appliance
44
Bellfi res
English
Instructions for use and installation instructions
Slide Bell with fan set
(option) and convection set (option)
built into chimney breast
Combustion air supply directly from outside
1 Combustion air supply via grate in outside wall 2 Inlet opening (grate) (chimney breast) convection air 3 Inlet opening (appliance) combustion air 4 Inlet opening (appliance) convection air / fan set 5 Natural convection in the chimney breast 6 Outlet opening (grate) (chimney breast) natural convection air 7 Outlet opening (appliance) convection air / connection convection set 8 Outlet opening (grill convection set) (chimney breast) convection air 9 Flue gas outlet appliance
45
Bellfi res
English
Instructions for use and installation instructions
4.2. BUILDING-IN A FIRE IN GERMANY AND SWITZERLAND
Building-in the fi re against a wall in a casing/fi replace/chimney breast
False wall is mandatory
• A false wall is mandatory in the case of protective walls/walls with fl ammable
material. The recommended thickness of the false wall is at least 10 cm.
• The false wall must be of mineral construction, e.g. aerated concrete.
• The false wall must in turn be covered with minimal 10 cm of insulation (see table 1).
• The false wall must at least be built up to the place at which the chimney leaves the convection area.
False wall not mandatory
• If the existing wall is at least 10 cm thick.
• If the existing wall does not contain fl ammable material.
• If the existing wall is not a bearing concrete or reinforced concrete wall and is at least 10 cm thick. In that case, a minimal 10 cm thick layer of insulation must be used and the insulation must be closed tightly, and overlapping at the sides.
46
Bellfi res
English
Instructions for use and installation instructions
Fitting a built-in fi re against a wall with fl ammable material in Germany
1 Fire 13 Expansion seam 2 Adapter 14 Covering 3 Insulation material for adapter 15 Decorative frame 4 Mineral masonry 16 Inlet opening convection air 5 Convection area 17 Hot-air fl exible hose/pipe 6 Layer of insulation material 18 Hot-air escape grid (≥ 10 cm, T ≥ 700ºC) 19 Mantelpiece 7 False wall * 20 Ceiling 8 Wall to be protected 21 Mantle iron or lintel 9 Layer of insulation material 22 Layer of insulation material (≥ 10 cm, T ≥ 700ºC) (≥ 10 cm, T ≥ 700ºC) 10 Concrete plate 23 Floor in front of the fi re 11 Layer of insulation material 24 Inlet opening ambient air (≥ 10 cm, T ≥ 700ºC) 25 Air-admission damper 12 Pedestal 26 Flue damper (Smoke fl ap)
* in the case of walls with fl ammable material only
47
Bellfi res
English
Instructions for use and installation instructions
5. OPERATION OF THE BUILT-IN FIRE
Figure 3: Operation
1 Flue outlet 7 Latching bracket (left and right) for 2 Convection air escape opening (2x) operating the lift door with the handle 3 Latch for tilting the door forward 8 Combustion air-supply slider Operated with the handle (Combined operation for the primary 4 Lift / tilting door and secondary combustion air-supply) 5 Carrying bracket (can be 9 Handle dismounted) (2x) 10 Combustion air supply connection; 6 Convection air supply. In addition, underneath connection possibility for fan (2x) 11 Adjustable feet (4x)
48
Bellfi res
English
Instructions for use and installation instructions
6. STOKING UP FOR THE FIRST TIME
If you have had your chimney breast modifi ed or newly built, fi rst allow your home to dry properly. Walls which have not been allowed to dry properly are a magnet for dust such as any smoke particles created when stoking up the fi tted fi re or suddenly opening the door. Even scorched dust can easily be retained by damp walls. Think also of dust on the outside of the appliance or on hot radiators etc.
Check that all packaging, stickers etc. and/or all dust and waste has been cleaned up after the installation work (to avoid it getting scorched/causing a bad smell).
Check again that all moving parts are in order and that loose parts such as the retardant plates (brake plates), interior panels, bottom stones etc. are in the correct position. They may have moved during installation.
The built-in fi re has a heat-proof fi nish. It only hardens at high temperatures. When unpacked, it is therefore not fully hardened. It can easily be damaged at this time. Begin stoking up the fi re with a low fl ame (see chapter 7). Increase the heat gradually for approx. 2 hours until you reach the correct output. Keep it at this level for another 2 - 3 hours. The fi nish will now be properly hardened and can be touched without damaging. The hardening process creates a nasty, though harmless, smell/vapour.
Adequate ventilation is of the utmost importance.
49
Bellfi res
English
Instructions for use and installation instructions
7. USE
7.1. VENTILATION
Air is a vital component of the combustion process. Ensure that there is a suffi cient supply of fresh air. For each kilo of wood that you put on the fi re (door closed), 10 - 15 m
3
of extra air is needed. That means 50 m
3
per hour! As you can see, a plentiful supply of air is essential. Fresh air supply opening: minimal Ø125 mm.
7.2. GETTING THE FIRE GOING (Figure 3)
When you start the fi re, the chimney is still cold and there is little draught. This means that the chimney’s capacity to draw in air is limited. Consequently the air supply has to be helped by opening the door and regulating slider. Use dry, fi ne wood and some scrunched-up paper or fi relighters to start the fi re.
Leave the lift door ajar for 10 minutes. Do not fully open the door, as the window will then remain cold. If the door is then shut, smoke will condense on the glass and form soot. Open the primary air by moving the air supply slider to the right side (+).
50
Bellfi res
English
Instructions for use and installation instructions
Centre position
Control range of primary air supply
Control range of secondary air supply
Combustion air supply slider
When the tinder material is burning well, place approximately 2 pieces of wood, each around 1 kilo, on the fi re and leave the sliding door ajar for the moment. After circa 3 minutes, you can close the door completely. If the fuel has caught fi re properly, you can move the air supply slider to the left. Adjust the air regulator (slider) in the middle position of the range. It is recommended to burn the wood on a thick ash layer (about 3 cm).
Prevent white glow and over-fi ring.
7.3. INSTRUCTIONS WHILE STOKING
After approx. 10 minutes, the fi re will be burning fi ercely. You can now top it up with a few larger blocks of wood. Close the door when the new wood catches fi re.
Using the air supply slider you can now adjust the air supply for further combustion. Make sure the fi re burns quietly.
Note: Once you have got the fi re going, leave the air supply slider in the centre position for optimal combustion. Your fi re will then be much cleaner and more effi cient (more heat, less topping up).
51
Bellfi res
English
Instructions for use and installation instructions
We recommend that you maintain a substantial layer of ash (2 - 3 cm). This not only forms a protective layer for the base of the appliance but also signifi cantly reduces consumption of fuel and allows new wood to catch light easier.
When loading the fi re with fuel, two blocks measuring 30 cm long and 30 cm in diameter is suffi cient. Do not add more fuel until the previous fuel has burned down to the charcoal stage. The fl ames are then almost no longer visible. Do not leave the door open longer than necessary.
Weather conditions
In order to reduce pollution and any other inconvenience, we advise not fi ring up the fi re when there is no wind, or in foggy/misty conditions.
Smoke development
Your fi re has been designed to be used with the load/observation door closed. Should you use it with the door open, under certain circumstances (presence of mechanical ventilation, draught, differences in barometric pressure) smoke may enter the room in which fi re is situated.
Use of the stove
Your fi re is suitable for periodic use.
The fi re may only be positioned in a place where the location, construction and activity in the room can accommodate it without danger.
Ventilation
When using the fi re, ensure a good supply of fresh air, particularly if the combustion air is drawn from the room itself. Turn on the fl ue gas fan if the fl ue is fi tted with one.
Spare parts
Any replacement parts must be new, original parts. Use of non-original/ reconditioned parts will invalidate your warranty.
Modifi cation
Do not make modifi cations to your fi re. Any alteration to your fi re, of whatever nature, will also invalidate your warranty.
52
Bellfi res
English
Instructions for use and installation instructions
7.4. HEATING ECONOMICALLY
The most environmentally-friendly and economic way of heating with wood is to have your fi re hot but calm. The ash should appear to glow a soft red-orange and should not glow like a blacksmith’s fi re. Fires like that burn quickly and intensely, leaving little time for complete combustion.
Your fi re is at its most economical when:
• Burning with the door closed. This makes the fi re hotter and improves combustion.
• Using dry and clean wood (as described further in section 9).
• Always ensure even combustion. Stoke with the primary air regulator closed.
To do this, place the combustion air supply slider in the centre position.
• The bed of the fi re should be homogeneous, and the fi re must have easy access to air. Position the blocks of wood (loosely and evenly) horizontally on the bed of ash, so that they are separate and several centimetres away from the walls.
Note ! : Keep the bottom at the front as free of ash as possible. Every 2 or 3 times you replenish the fi re, push the ash at the front several centimetres towards the back. In this way, the fi re will be well aerated as it burns.
Continuous stoking with the primary air supply open (combustion air
supply slider is fully over to the “ + “ position) (air via rear of wood
rack, with outlet just above the vermiculite bottom plate) causes a
fi ercely white-hot fi re that can damage parts of the fi replace.
53
Bellfi res
English
Instructions for use and installation instructions
7.5. CLEANING THE WINDOW
After several burning hours, a light deposit may form on the inner side of the window. Once the fi re has cooled down, this deposit can be removed using glass cleaner or ceramic hob cleaner. To allow easy cleaning of the window, it can be tilted forward using the handle.
54
Bellfi res
English
Instructions for use and installation instructions
8. GENERAL HINTS
8.1. TIPS
• Burn dry wood only. Damp wood not only burns poorly, it causes more pollution in the appliance (window), the chimney, your room (when opening the door of the appliance, for instance) and the environment. Wood can only be classifi ed as dry if it has been stored under a Dutch barn for at least two years (not covered with plastic). Never use painted or impregnated wood. The gases emitted when burning painted or impregnated wood are aggressive and will affect the appliance, the environment and your health.
• Ensure that your fi re burns well. The smoke generated should be translucent or white and the windows of the fi re will remain clean. We recommend that you do not ‘pinch off’ your fi re (by closing all air openings). Doing so will hinder combustion which, apart from polluting the atmosphere, will lead to deposits of soot and tar in your chimney (which, unchecked, will increase the risk of chimney fi re).
• Keep the door shut when the fi re is burning. Doing so improves the performance of your fi re 8 - 10 times, benefi ting the environment and the heat in your home (less topping up, see section 8.2). You will also prevent fi re damage from any particles the fi re ‘spits’ out (this is a particular problem with softwood from conifers). If your fl oor contains fl ammable material, an extra fl oor plate is required.
• Avoid lighting a fi re in misty or still conditions. If the wind is still, there is hardly any draught in the cold chimney. As smoke is heavier than air, there is a chance that smoke will enter the room. If there is mist in the air, smoke coming out of your chimney will cool quickly and fall, causing problems in your area.
• Do not extinguish your fi re with water - let it burn out. The part of the inner lining that is in direct contact with the fi re is clad with fi re-resistant material. Sudden changes in temperature may lead to it deforming or cracks appearing.
55
Bellfi res
English
Instructions for use and installation instructions
• Chimney fi re. If, despite all the precautions, a fi re should occur in the chimney (you
generally notice that because of a roaring sound in the chimney), do the following:
• Immediately shut the chimney fl ap (if fi tted).
• Immediately shut the air supply to the fi re.
• Call the fi re brigade (112).
• Quickly quench the fi re in the appliance with sand or soda in order to prevent smoke in your house.
• Never use water to put out the fi re.
• Ventilate.
• If there has been a fi re in the chimney, have it swept and inspected for damage and leakage.
8.2. OUTPUT
In practice, combustion is all about loss. This entails:
• Loss through excess heat leaving the chimney, rather than going into the room.
• Loss through insuffi cient combustion, such as CO (carbon monoxide) and soot particles.
• Loss through excessive unburnt fuel in the ash.
The rate at which fuel can burn completely is called the output. A well-stoked fi tted fi re achieves output of 70% and thus falls into the category of high-output/ low emissions built-in fi res. This means that you benefi t directly by using less wood to achieve the same level of heat. The environment benefi ts as well: a well-stoked, high-output appliance means less pollution and fewer odours.
Adverse effects on the output are:
• Burning the fi re with the door open. A warm chimney works in the same way as an extractor. When the door is open, the chimney draws in much more air than is necessary for combustion. This relatively cool air cools down the fi re.
• Excessive chimney draught. The combustion air does not reach the fuel, but leaves the appliance via the chimney. The fi re cools and the combustion quality decreases.
56
Bellfi res
English
Instructions for use and installation instructions
• Using too much wood. This is a problem if your built-in fi re is too small. In that case, it becomes overloaded and burns more wood than heat emitted. In this case too the fuel cannot burn completely. More to the point, there is not enough air to mix with the fl ames. This has an extra impact on the environment.
• Admitting too much air under the fuel (combustion air supply slider is fully over to the “ + ” position).
Combustion is raised to high intensity (like a blacksmith’s fi re). Combustion
really needs time. If combustion is too intense, there is insuffi cient time for the built-in fi re to radiate all the heat. The chimney will become excessively hot and the same will be true of the escaping smoke. This heat is thus lost.
57
Bellfi res
English
Instructions for use and installation instructions
9. FUELS
9.1. WOOD
Suitable fuels are:
• All sorts of clean wood (forested). The wood must have been dried for at least two years. Well-dried wood has a humidity percentage between 10 and 20%.
Recommended dimensions: • Slide-Bell 55-55: length: ca. 30 cm outline: ca. 30 cm
• Compressed wood blocks without binder (see wood dimensions).
• Hard woods burn slowly and easily form charcoal; for example hornbeam, oak, ash, beech, elm and birch.
Softwood burns with more fl ame, but forms less charcoal and radiates less
heat. Examples are spruce, pine, poplar and linden.
Unsuitable fuels are:
• Painted, bonded (chipboard, MDF etc.) or impregnated wood, plastic and other fl ammable waste. Stoking a fi re with this is completely forbidden. The combustion gases released by these materials are aggressive and will attack your fi replace insert and the environment.
• Paraffi n-containing open fi re lighters are not suitable for a closed fi re. A closed fi re generates more heat than an open fi re, thus the paraffi n will melt out of the blocks prematurely.
• Damp wood burns poorly, is unsuitable and produces too much smoke (including in the room when you are topping up the wood), dirties the glass, leaves deposits in the chimney and delivers about half the heat output of dried wood.
Do not burn coal in the hearth. The fi re is not designed for this.
ê
58
Bellfi res
English
Instructions for use and installation instructions
10. AMOUNT OF FUEL
10.1. AMOUNT OF FUEL
Each appliance is constructed for a certain maximum amount of fuel. Remember that the more fuel you put into your fi re, the hotter it will become and overheating may even occur. If this happens, there is a risk of fi re. It may also damage your appliance and chimney. BELLFIRES will not assume liability for damage caused by overheating.
Burning one layer of wood can lead to varying outputs. When used correctly, one load will burn in around 45 minutes. Putting in too much wood at once can lead to the appliance being overloaded.
Slide-Bell 55-55:
ê
Per fi lling: Calculated per hour: (= for 45 minutes)
Wood: 4 blocks, 5 blocks, each around 1.0 kg each around 1.0 kg
Briquettes: 6 briquettes, 8 briquettes, each around 0.5 kg each around 0.5 kg
Dimensions wood block: c. 30 cm long and 30 cm perimeter
(≈ 1.0 kg).
The maximum burning load is based on a
nominal
capacity of
15 kW and a
effi ciency of
75%.
59
Bellfi res
English
Instructions for use and installation instructions
10.2. HEAT RADIATION
The table below shows the temperatures which can theoretically be achieved by burning wood.
Heat radiation
Sort of fuel kWh/kg
Dry wood (average) 4.3
The heating value of wood (18.7 MJ/kg at 0% humidity) is not affected by the sort of wood. What does make a difference is the relative humidity of the wood (15.6 MJ/kg at 15% humidity).
60
Bellfi res
English
Instructions for use and installation instructions
11. REGULAR MAINTENANCE
• Remove the ash on : Weekly, 48 hours after last heating
the burning fl oor
• Cleaning the glass : As required
• Door seals : Check annually before heating is resumed. Replace as necessary
• Sweep and inspect : Annually before heating is resumed
chimney
• Fire hearth interior panels : Check annually
* Clean interior panels as necessary
with hand brush
* Replace panels as necessary
• Sliders/dampers : Check function annually
• Convection channels : Clean annually
• Paint : Annually, if necessary touch up with BELLFIRES heat-resistant paint (do
not paint when the fi re is in use!)
• Parts : Individual parts for replacement/ accessories are available from your BELLFIRES dealer
Use only original parts
• Modifi cations : Introduced modifi cations to the appliance are not permitted
61
Bellfi res
English
Instructions for use and installation instructions
12. DIMENSIONS
12.1. SLIDE BELL 55-55
62
Bellfi res
English
Instructions for use and installation instructions
13. TECHNICAL DATA
SLIDE BELL 55-55
Combustion:
Measured in compliance with EN 13229 : 2001 and EN 13229 - A2 : 2004
Fuel Wood Output; min. - max. 10 - 20 kW Nominal output 15 kW Effi ciency 75% PM10 Dust emissions 57 mg/m
3
n
Flue gas mass fl ow 13.3 g/s Flue temperature 292°C Chimney draught 0.12 mbar Flue gas connection Ø180 mm
(Ø178 mm exterior)
Combustion air supply
connection
Ø125 mm
(Ø123 mm exterior)
(via the under side of the appliance!)
Convection air supply connection
2 x 65 x 70 mm
(= 91 cm2) (= connection for convection fans (option)) Convection air outlet connection 2 x
Ø125 mm
(≈ 245 cm2)
Weight
225 kg
Inside:
Dimensions
- surface area (b x d)
0.62 x 0.36 = 0.22 m2
- clear fi re opening (h x b) 450 x 570 mm Interior panels Vermiculite insulation plates 700 kg/m2, 1100°C Bottom Vermiculite insulation plates 700 kg/m2, 1100°C Inner lining Steel (heat-resistant and rust-proof) Retardant plates (brake plates) (2x) Vermiculite insulation plates 700 kg/m2, 1100°C
Outside:
Construction Sheet-steel casing
Doors Lift door Door tilted forwards to allow window to be cleaned
63
Bellfi res
English
Instructions for use and installation instructions
SLIDE BELL 55-55
Operation: • Handle for sliding the door upwards and
downwards.
• Handle for tilting the door forwards.
• Combustion air supply slider. Single combined slide for controlling the primary and secondary air supply.
Ash collection: Base stones
Options: Fan set Slide Bell: 2 convection fans
(230 V / 90 W a piece) for transport of heating air. Rev control by built-in fanspeed controller.
Convection set (1x)
64
Bellfi res
English
Instructions for use and installation instructions
14. FREQUENTLY ASKED QUESTIONS
How often should I have my chimney swept?
At least once a year. If you use your fi re more than three times a week on average, have your chimney swept more often. Have the chimney swept by a recognised company. Your fi re insurance policy may make this a condition and ask for proof.
Does a built-in fi re have better output than an open fi re?
Yes, a built-in fi re has between 7 and 8 times the effi ciency of an open fi re. (See also sections 7.2 and 7.3.)
What is the difference between nominal heat output, nominal heat input and effi ciency?
Nominal heat output represents the net amount of heat that the appliance generates.
The total heat content of the fuel is the so called nominal heat input.
Effi ciency is the percentage of fuel converted into useful heat. It is the ratio of nominal heat output and heat input.
How can I keep the glass clean?
By making a point of using dry, clean wood in the fi re. Wood that is too damp immediately gives off lots of ash.
Make sure the seals are in good working order. Any air seeping out around the glass part of the door will cool the air, resulting in the fi re not burning cleanly.
Can a wood-burning stove/built-in fi re be connected to a central heating installation?
The Bellfi res range does not have any stoves/fi res that can be connected to
central heating installations. We do not advise attempting it !!
At what temperature does/do the convection fan(s) start up?
If the fi re is fi tted with convection fans, these are regulated using a built-in fanspeed controller and there is no automatic temperature adjustment present. The on-off switch is integrated in the fanspeed controller.
65
Bellfi res
English
Instructions for use and installation instructions
How do I know if I’m heating correctly?
Follow the instructions in this manual.
The fl ames should play softly across the wood and the wood should burn evenly.
Once the fi re has been burning for a short time, the smoke from the chimney should be almost translucent.
What is wrong with a smoking chimney?
A seriously smoking chimney means that combustion is less than optimum. There may be a number of reasons for this. If the fi re has only just caught on, or has recently been topped up, some smoke is normal. By opening the door(s) for a short period, the wood will catch fi re quicker and the smoky period will be shorter.
If you leave the fi re door open, and especially if you burn damp wood, the result will be a lot of smoke. In both cases, the combustion temperature is too low. This leaves numerous dangerous compounds intact, which means more deposits in your chimney and more waste into the environment.
What should I do if the wood does not catch fi re?
This probably means that the wood is damp. Remove the wood and replace it with dry wood. If necessary, make a fi re with wood briquettes. They are always dry (they have a moisture content of <10%).
The wood burns up too quickly. What should I do?
Ensure that air cannot get in underneath the fuel. Move the combustion air supply slider towards the “ - ” position. (The primary air supply is now closed.) Under these conditions, the layer of ash should no longer burn bright orange/ white but red.
If there is a draught (due to strong wind), air intended as secondary air for above the fuel may enter through the openings above the door and fl ow straight down beneath the wood. Also slide the combustion air supply slider tighter shut.
There may be too much of a draught in your chimney, particularly if it is very high (in excess of 8 m). Ask your supplier to fi t a check fl ue valve or fl ue damper. This may not be possible in all cases.
66
Bellfi res
English
Instructions for use and installation instructions
Can I leave my fi re unattended?
Only do this when the appliance is burning quietly, with just a little wood, with a closed door and with the combustion air supply slider in the centre position between “ + ” and “ - ”. In this position, the primary air supply is closed and the secondary air supply is open.
Primary air is supplied through the rear of the wood rack, just above the •
bottom plate (burning fl oor). Secondary air is supplied through the opening behind the glass, on the • upper side of the combustion chamber.
Do not leave children unattended while the fi re is burning.
Do I have to take any extra measures if the room I am heating has an extractor fan (mechanical ventilation)?
If the combustion air comes from the living-room:
A fl ue gas fan is required for permanent extraction of the area in which the fi replace is placed. The type of fl ue gas fan depends on the capacity of the extractor system. Always consult your installation engineer about this.
If the combustion air comes directly from outside via a direct connection:
If there is constant extraction of the room in which the fi re is located, no additional provisions are necessary.
What is creosote?
Creosote is a tar-like deposit which is left in the chimney. It is formed in poor combustion conditions when burning wood (damp wood, pinching off the air supply to the fi re or burning impregnated or painted wood for example). Creosote ignites at approx. 500°C. This temperature can easily be reached if the fi re is raging. This means that deposits of creosote in your chimney could cause a chimney fi re.
67
Bellfi res
English
Instructions for use and installation instructions
What happens when wood is burnt?
The combustion process. The combustion of wood involves the following steps.
Drying The fi rst step is that the fuel (wood) dries out. Even at low temperatures (<100°C), any moisture still in the wood will evaporate. This drying procedure implies a signifi cant loss of energy if wood which is ‘too’ damp is burnt. The right degree of moisture is achieved after 1.5 - 2 years of drying. The moisture content is then 15 - 17%.
Decomposition At moderate - high temperatures (150°C - 350°C), the decomposition process can be discerned. This is when the chemical structure of the fuel breaks down. This process involves the creation of volatile compounds such as carbon monoxide (CO), water vapour (H
2
O) and methane (CH4). In addition, substances which are volatile at decomposition temperature but condense at lower temperatures are often released. These are the tar-like components (this by­product is also known as creosote, which is deposited in the chimney and cold parts of the fi re in poor burning conditions).
Combustion of the products of decomposition The volatile compounds burn in the gas phase if O2 (air) is added. The ignition temperature of these volatile compounds is approx. 550°C.
Combustion of solid hydrocarbons The solid component that remains consists of pure hydrocarbons, which will burn at approx. 800°C if O2 (air) is added.
01 - 150310 - 327873
INTERFOCOS B.V. HALLENSTRAAT 17 5531 AB BLADEL NEDERLAND E-mail: info@bellfi res.nl Internet: www.bellfi res.com
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use