Page 1
C i31
www.contura .eu
Installation
instruction
Page 2
GB
178
CERTIFICATE
DECLARATION OF PERFORMANCE
No. Ci31-CPR-130912-SE-1
PRODUCT
Product type Insert lit with solid biofuels
Type designation Contura i31
Manufacturing number See rating plate on the insert
Intended area of use Heating of rooms in residential buildings
Fuel Wood
MANUFACTURER
Name NIBE AB / Contura
Address Box 134, Skulptörvägen 10
SE-285 23 Markaryd, Sweden
CHECKS
According to AVCP System 3
European standard EN 13240:2001/AC:2006, EN-13240:2001/A2:2004/AC:2007
Test institute Rein-Ruhr Feuerstätten Prüfstelle, NB 1625,
has checked declared performance and issued test report no. RRF-40 13 3372
The undersigned is responsible for the manufacture and conformity with the declared performance.
Niklas Gunnarsson,
Business area manager NIBE STOVES
Markaryd, September 12, 2013
DECLARED PERFORMANCE
Essential characteristics Performance Harmonised technical
specification
Reaction to fire A1 WT
Minimum distance to combustible material 0 mm to rear
200 mm to side
According to the given conditions in the installation instructions.
Risk of falling embers Approved
Emissions from combustion CO 0.07%
NOx 104 mg/m
3
OGC 64 mg/m
3
PM 17,1 mg/m
3
Surface temperatures Approved
Cleaning options Approved
Mechanical durability Approved
Emissions of hazardous substances Approved
Nominal output 6 kW
Efficiency 81%
Flue gas temperature in connector at nominal
output
283°C
EN 13240:2001/AC:2006,
EN-13240:2001/A2:2004/AC:2007
Page 3
GB
179
List of Contents
Technical specifications 180
Surround 181
Chimney 182
Supply of combustion air 183
Installation distances 184
Positioning the insert 186
Assembling the stand 188
Assembling the surround – without shelves/bench 191
Assembling the surround – with shelves 197
Assembling the surround – with bench 204
Assembling grate and top 214
CONTENTS
WARNING!
The stove becomes very hot
During operation, certain surfaces of the stove become
very hot and can cause burn injuries if touched. Also,
take heed of the strong heat radiated through the door
glass. Placing flammable material closer than the safe
distance indicated may cause a fire. Smoulder combustion
can cause quick gas ignition with the risk of damage to
property and personal injury.
NOTE:
Report the installation of a fireplace to
your local authority.
The owner of the house is personally responsible
for ensuring compliance with the mandatory safety
requirements and must have the installation approved by
a qualified inspector. Your local chimney sweep must also
be informed about the installation as this will affect the
routines for regular chimney-sweeping services.
A warm welcome to Contura.
A warm welcome to the Contura family. We hope you
will get a great deal of pleasure from your new stove.
As a new owner of a Contura stove, you have secured
a product with timeless design and long service life.
Contura also has a combustion process that is both
environmentally friendly and efficient, for the best heat
production.
Read through these installation instructions carefully
before installation. Read how to best light your stove in
the lighting instructions.
Page 4
Ci31
GB
180
FACT S
Technical specifications
Model i31
Output 4-9 kW
Nominal output 6 kW
Efficiency 81 %
Model Ci31A Ci31T Ci31S
Weight (kg) 350 425 385
Shelves: + 50 kg
Bench & Shelf: + 145 kg
Powerstone (option): + 200 kg
Protective screen (option): + 15 kg
Width (mm) 910
Depth (mm) 500
Height (mm) 1650 / 1750
Connector diameter Ø150 mm ext.
European standard EN-13240
DIN plus
Bauar t 1
Part 15a B-VG
Test report no.: RRF-4 0 13 3372
SINTEF: 110-0405
Approved for installation in
Smoke Control Area by DEFR A
Structural support
If the fireplace is to be positioned on
a wooden joist, a structural engineer
should evaluate the load capacity of the
floor. When the gross weight exceeds
400 kg, reinforcement of the wooden
joists is usually necessary.
Hearth plate
Due to the risk of falling embers, a
flammable floor must be protected by
a hearth plate. It must extend 300 mm
in front of the stove and 100 mm on
each side of the stove, or have a 200 mm
extension on each side of the opening.
The hearth plate can consist of natural
stone, concrete, metal or glass. A glass
hearth plate is available as an accessory
for these models.
Wall behind
If your Contura i31 is to be installed
against a combustible wall, the wall must
be protected by a firewall or by the
integrated protective screen which is
available as an option in some markets.
The following material requirements are
made of the firewall:
The building material must not be
combustible.
The thermal conductivity coefficient ë
may be a maximum of 0.14 W/mK. The
thickness of the building material must
always be at least 100 mm. In cases
where the building material’s insulation
properties are given as a U-Value, this
must be a maximum of 1.4 W/ m²K.
List of sui table ma terials:
Aerated concrete λ = 0.12-0.14
Vermiculite λ = 0.12-0.14
Calcium silicate λ = 0.09
Contact your chimney sweep for advice in
choice of other materials. Remember that
even a non-combustible wall may require
protection if it is a load bearing wall or
has combustible material behind it.
General
This manual contains instructions about
how Contura i31 must be assembled
and installed. More information about
the insert is available in the separate
installation instructions.
To ensure the function and safety of the
hearth, we recommend that installation is
carried out by an authorised technician.
Our Contura dealers can recommend
suitable technicians, information about our
dealers can be found at www.contura.eu
Instructions for lighting are also supplied
with the insert. Read them carefully and
keep them safe for future use.
Application to local authority
Before installing a stove or erecting a
chimney, it is necessary for you to make
an application for permission to your
local authority. Ask your local authority
for advice regarding regulations and the
application.
Ci31 BenchCi31 Shelves
Page 5
F
F
D
C
B
A
E
E
D
C
B
G
G
GB
181
Surround
Only handle the stone with clean hands or gloves. Handle the stone
carefully so as not to damage fragile corners and edges.
The stone is a natural material, which means that there may be
certain irregularities and variations in its appearance. Clean the
stone with a damp cloth. Soapy water can be used if necessary.
To avoid abnormally large gaps and uneven lines, it is important
that the stove and steel stand are straight and stable. Adjust and
align it carefully before hanging the stone. During assembly, check
that all the stone sections are straight and that all stones are of a
uniform height. Use shims if necessary.
After assembly is complete some adjustment of the insert feet
can improve the joint between the insert and the surround. The
internal fit of the stone can also be adjusted using the stand feet.
All feet must be contact with the base after any adjustment.
SURROUND
Section 1:
Height 450 mm.
Section 2:
Height 400 mm (not shelves / bench).
Height 450 mm (with shelves / bench).
Supplied packaged separately.
Sections 3 and 4:
Height 370 mm.
Sections 3 and 4 consist of
similar panels.
Shims
!
Page 6
285/335
GB
182
Carefully check that the chimney is sealed and that there is no
leakage around soot hatches and flue connections.
Make sure that the connector gasket does not work loose when
the connection pipe is placed on the connector. If further
sealing material is required, heat-resistant sealant may be used.
It must be possible to sweep the full length of the flue and the
soot hatches must be easily accessible.
If two fireplaces are connected to the same chimney flue,
the stove must be equipped with self-closing door, see insert
instructions.
The stove is type approved in accordance with EN 13240 and
must be connected to a chimney dimensioned for at least 350°C
the external connection diameter is Ø150 mm.
The insert requires a draft in the chimney of at least –12 Pa. The
draft is affected both by the length and area of the chimney,
and by how well sealed it is. Minimum recommended chimney
length is 3.5 m and suitable cross section area is 150-200 cm
2
(Ø140-160 mm in diameter). Note that a flue with sharp bends
and horizontal routing reduces the draught in the chimney.
The maximum horizontal flue is 1 m, on the condition that the
vertical flue length is at least 5 m.
Chimney
Create an opening in the top grate by using the shorter grate
profiles, see page 38. Cover the gap with a cuff.
If a protective screen is selected, this must be installed before
making the chimney connection.
For rearward connection it is recommended to use a 45°+45°
angle with soot hatch and with the centre at least 285 mm
(without shelves/bench) respectively 335 (with shelves/bench)
above the connector.
Top connection
Rearward connection
CHIMNEY
Page 7
HK
HK
HK
HK
305**
255*
72
285**
235*
130
GB
183
Knockout
Supply of combustion air
* Without shelves/ bench
** With shelves/ bench
Supply rear
Supply down
To insert the combustion air hose through the floor panel,
remove the knockout.
Supply of combustion must be provided. Combustion air can
be provided directly via a duct from outside, or indirectly via
a vent in the outer wall of the room where the stove is placed.
The amount of combustion air that is used for combustion is
approx. 25 m
3
/h. Some installation alternatives are shown to
the right. The air duct connection on the stove has an external
diameter of Ø100 mm.
In hot areas the duct should be insulated with 30 mm mineral
wool covered with a moisture inhibitor (aluminium tape). It is
important that the lead-in, between the pipe and the wall (or
floor), is sealed using jointing compound.
A 1 m length of condensation-insulated ducting for combustion
air is available as an accessory.
SUPPLY
Page 8
C i31
!
655
200
GB
184
500
235
1100
1385
Ø 150Utv.
Min 2380
500
900
1650
910
Brännbart tak
Without shelves/ Bench
Important!
Min 2380
Ext. Ø 150
Combustible roof
The dimension diagrams only show the minimum permitted
installation distances for the stove. When connecting to a
steel flue, also note the safety distance requirements of
the flue. The minimum distance to combustible parts of the
building or interior decoration in front of the stove must
be at least 1.5 m.
For placement against combustible
rear walls, a built-in protective
screen (option in some markets), or
an external firewall that protec ts
the wall behind is required.
Material requirement s for firewalls
according to the section “ Walls
behind” on page 180.
INSTALLATION DISTANCES
Installation distances
Page 9
C i31
GB
185
500
580
235
1150
1485
Ø 150Utv.
Min 2380
500
50
50
950
1750
910
100
650
1660
Brännbart tak
500
580
235
1150
1485
Ø 150Utv.
Min 2380
500
50
50
950
1750
910
100
100
1110
Brännbart tak
Ext. Ø 150
Min 2380
INSTALLATION DISTANCES
With shelves/ Bench
Min 2380
Ext. Ø 150
Combustible roof
Combustible roof
Installation distances
Page 10
!
!
Min 655
1
2
GB
186
Positioning the insert
INSERT PLACEMENT
The cross in the floor panel indicates
the location of the flue gas output.
Position the floor section and check that the minimum permitted
distance to combustible material is kept. Measure to the centre of
the floor section.
The rear edge of the floor section will align with the complete rear
edge of the surround.
If the protective screen is selected – read these
instructions before installing the insert or chimney.
The stove can be positioned tight to the
wall behind.
When installing against non-vertical
walls and to facilitate installation it is
recommended that a small gap is left
between the wall and stove. Lay the floor
section a slight distance from the wall
behind, and align the position of the holes
in the ceiling for the chimney lead-in with
the same dimensions.
Page 11
!
min 506 *
min 554 **
13
13
VANADI UM
No. 7
CHROME
4
3
13 mm
13 mm
*
**
GB
187
INSERT PLACEMENT
Check that the transport locking device of
the counterweight is removed according to
the insert instructions before assembling
the surround.
• With combustion air hose as option –
now connect according to separate instructions.
Position the spirit level as illustrated and adjust
the rear feet until the stove is level.
Place a spirit level on the moulding below the
door, and adjust the front feet to the specified
measurement from the floor to the moulding's
lower edge and until the spirit level is straight.
Page 12
~48
1
3
4
5
2
1
2
GB
188
Assembling the stand
x 2
M6 x 20
Allen screw 4
(Tightened from inside)
x 2
M5 x 40
T25
Note the difference between the right and left stand
frame. The lower brace must protrude on the outside
and forwards, and provide support surfaces for the
stones.
STAND ASSEMBLY
Page 13
13
13
VANADI UM
No. 7
CHROME
3
4
13 mm
GB
189
This brace must be twisted with
the cut-out upwards to create
clearance for the damper wires.
Also check that the four magnetic
mountings are screwed in at the
bottom.
STAND ASSEMBLY
Page 14
Min 30 mm
Min 30 mm
5
6
!
GB
190
STAND ASSEMBLY
• Connect the chimney -
upwards or rearwards, follow the chimney manufacturer's instructions.
• With Powerstone as option –
position the heat tank according to the insert’s instructions.
• With protective screen as option –
now connect according to separate instructions.
Ensure that the disc base can be pushed around the
stand. Adjust the base height with the rubber feet. On
heavily sloping floors the insert and stand may need to
be raised further.
Then reposition the base until all stones are in place.
Check that there is a 30 mm gap all the way between
the rear of the stand and wall behind.
x 20
M5 x 9
T25
Page 15
3
2
1
GB
191
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
Assembling the surround – without shelves/bench
Place a foam sheet on the floor to
prevent the stone corners from becoming
damaged when handling.
Place a foam sheet on the floor to
prevent the stone corners from becoming
damaged when handling.
Page 16
A
5
4
GB
192
x 2
M6 x 20
Allen screw 4
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
This panel can be removed for servicing.
Lock it in place by inserting two screws
through the moving catch (A) in the front
panel. Do not tighten the screws – it must
be possible to be move the catch upwards
to detach the panel.
With BenchWith ShelvesWithout Shelves/ Bench
The stone must lie flush against the stand.
Page 17
4 mm
6
7
90°
2 mm
!
GB
193
Shims
Check that the top of the stones are
level using a spirit level. Use supplied
shims if necessary. Carry out on the
remaining stone sections.
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
Without Shelves/ BenchWith ShelvesWith Bench
Ensure that there is a 4 mm gap
between the stone and insert so that
the damper can move freely.
Page 18
8
10
9
GB
194
x 4
M6 x 10
Allen screw 4
The front panels must rest on the
stand's metal tab, not on the lower front
In the event of having to insert shims, do
this on the metal tab.
Without Shelves/ Bench With BenchWith Shelves
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
Shims
Page 19
11
12
GB
195
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
Page 20
13
14
GB
196
ASSEMBLING THE SURROUND WITHOUT SHELVES/BENCH
Final installation:
See page 214
Without Shelves/ Bench With BenchWith Shelves
Shims
Page 21
2
1
GB
197
Place a foam sheet on the floor to
prevent the stone corners from
becoming damaged when handling.
Assembling the surround – with shelves
ASSEMBLING THE SURROUND WITH SHELVES
Without Shelves/ BenchWith ShelvesWith Bench
Page 22
A
4
3
GB
198
x 2
M6 x 20
Allen screw 4
This panel can be removed for servicing.
Lock it in place by inserting two screws
through the moving catch (A) in the front
panel. Do not tighten the screws – it must
be possible to be move the catch upwards
to detach the panel.
ASSEMBLING THE SURROUND WITH SHELVES
Without Shelves/ Bench With BenchWith Shelves
The stone must lie flush
against the stand.
Page 23
6
5
90°
2 mm
!
GB
199
Shims
Check that the top of the stones are level
using a spirit level. Use supplied shims if
necessary. Carry out on the remaining stone
sections.
ASSEMBLING THE SURROUND WITH SHELVES
Without Shelves/ BenchWith ShelvesWith Bench
Page 24
~ 2 mm
7
9
8
GB
200
Without Shelves/ Bench With BenchWith Shelves
x 4
M6 x 16
Allen 10 mm
x 2
M10 x 20
Allen 16 mm
ASSEMBLING THE SURROUND WITH SHELVES
Do not tighten the
screws completely in
order to allow some
lateral adjustment of the
shelf after installation.
Ensure that there is a gap of about 2 mm
between the shelf and insert and that the
damper can move freely.
Page 25
10
12
11
2 mm
52 mm
GB
201
Without Shelves/ BenchWith ShelvesWith Bench
The front panel must rest on the
stand's metal tab, not on the lower
front In the event of having to insert
shims, do this on the metal tab.
x 4
M6 x 10
Allen screw 4
ASSEMBLING THE SURROUND WITH SHELVES
Shims
Page 26
13
15
14
GB
202
Without Shelves/ Bench With BenchWith Shelves
x 4
M6 x 16
Allen 10 mm
x 2
M10 x 20
Allen 16 mm
Check that the frame moulding
does not bend downwards.
ASSEMBLING THE SURROUND WITH SHELVES
Do not tighten the
screws completely in
order to allow some
lateral adjustment of the
shelf after installation.
Ensure that the shelf is
aligned with the upper edge
of section 2.
Page 27
16
17 18
GB
203
Without Shelves/ BenchWith ShelvesWith Bench
Final installation: See page 214
ASSEMBLING THE SURROUND WITH SHELVES
Shims
Page 28
1
2
GB
204
Place a foam sheet on the floor to
prevent the stone corners from
becoming damaged when handling.
Without Shelves/ Bench With BenchWith Shelves
Assembling the surround – with bench
ASSEMBLING THE SURROUND WITH BENCH
Page 29
A
4
3
GB
205
x 2
M6 x 20
Allen screw 4
This panel can be removed for servicing.
Lock it in place by inserting two screws
through the moving catch (A) in the front
panel. Do not tighten the screws – it must
be possible to be move the catch upwards
to detach the panel.
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITH BENCH
The stone must lie flush
against the stand.
Page 30
6
5
90°
2 mm
!
GB
206
Shims
Check that the top of the stones are level
using a spirit level. Use supplied shims if
necessary. Carry out on the remaining
stone sections.
Without Shelves/ Bench With BenchWith Shelves
ASSEMBLING THE SURROUND WITH BENCH
Page 31
8
7
GB
207
x 1
M6 x 16
Allen screw 4
x 4
M6 x 16
Allen 10
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITH BENCH
Page 32
10
11
9
GB
208
x 2
M6 x 12
Allen screw 4
Without Shelves/ Bench With BenchWith Shelves
ASSEMBLING THE SURROUND WITH BENCH
Page 33
~ 2 mm
11
12
GB
209
Adjust the feet on the leg so that the
bench top has a flat mating surface.
Position the bench top and check that it
is stable and does not rock.
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITH BENCH
Ensure that there is a gap of about
2 mm between the shelf and insert
and that the damper can move
freely.
Page 34
2 mm
52 mm
52 mm
2 mm
13
14
GB
210
The front panel must rest on the
stand's metal tab, not on the lower
front In the event of having to insert
shims, do this on the metal tab.
x 4
M6 x 10
Allen screw 4
x 4
M6 x 10
Allen screw 4
Right-hand bench versionLeft-hand bench version
ASSEMBLING THE SURROUND WITH BENCH
Without Shelves/ Bench With BenchWith Shelves
Page 35
15
16
GB
211
Check that the frame moulding
does not bend downwards.
Without Shelves/ BenchWith ShelvesWith Bench
ASSEMBLING THE SURROUND WITH BENCH
Shims
Page 36
18
19
17
GB
212
ASSEMBLING THE SURROUND WITH BENCH
Without Shelves/ Bench With BenchWith Shelves
x 4
M6 x 16
Allen 10 mm
x 2
M10 x 20
Allen 16 mm
Ensure that the shelf is
aligned with the upper edge
of section 2.
Page 37
20
21
GB
213
Final installation: See page 214
ASSEMBLING THE SURROUND WITH BENCH
Without Shelves/ BenchWith ShelvesWith Bench
Shims
Page 38
1
2
GB
214
For rear connection
Assembling grate and top
INSTALLING GRATE AND TOP
x 4
M6 x 10
Allen screw 4
Page 39
3
~ 25 mm
4
!
GB
215
INSTALLING GRATE AND TOP
Page 40
1
2
GB
216
INSTALLING GRATE AND TOP
For top connection
x 4
M6 x 10
Allen screw 4
Page 41
x 5
x 4
x 8
3
4
GB
217
INSTALLING GRATE AND TOP
Page 42
1
~ 25 mm
5
!
GB
218
Disc base
INSTALLING GRATE AND TOP
Page 43
2
5 mm
GB
219
Final inspection of the installation
It is extremely important that the installation is inspected by an authorised inspection body
before the stove is used. Also read the "Lighting instructions" before lighting for the first time.
INSTALLING GRATE AND TOP
Adjust the rubber feet on the
disc base so that the gap up
to the stone is 5 mm.
Page 44
811205 IAV SE-EX Ci31-9
20 14 - 0 8 -19
NIBE AB · Box 134 · SE-285 23 · Markaryd · Sweden
www.contura.eu
Cont ura reserv es the right t o change dimen sions and
proce dures desc ribed in thes e instruct ions at any
time wi thout speci al notice. Th e current ed ition can be
downloaded from www.contura. eu
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