ruegg MERKUR K User manual

SMART-LINE / ECO-LINE
INSTALLATION GUIDE

SMART-LINE
ECO-LINE Installation Guide
3
Content
1. General requirements Page 5-6
2. Data for calculation of chimney dimensions Page 7-9
3. Minimum cross sections Page 10-11
4. Thermal insulation materials Page 12
5. Installation specifications Page 13-17
6. Fire insert assembly Page 18-23
7. Connection to ceramic flues Page 24-25
8. Example Mars 570 K - connection to ceramic flues Page 26
9. Storage systems Page 27-31
10. Example Uranus/Neptun style – assembly of connection box Page 32
11. Positioning of type plates Page 33

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ECO-LINE Installation Guide
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Applicable regulations
Rüegg fire inserts are type-tested and approved according to DIN EN13229.
These assembly instructions were prepared in accordance with the Swiss “Stand-
der-Technik-Papier” [State-of-the-art Paper] by the VHP [Association of Swiss
Stove Fitter and Tile Businesses], version 1.1, and the applicable German regula-
tions in force.
All national and public regulations must be complied with.
When installing a Rüegg fire insert, in addition to the specifications of the present
assembly instructions, the local regulations, laws and provisions must be ob-
served. For example:
- Building, trade and fire regulations
- Emission protection laws or regulations
- Air cleanliness provisions
- Guidelines for Tiled Stove/Fireplace Construction
- Fire safety regulations
- Fire insurance guidelines
The compliance with the local legislations shall be the responsibility of the person
fitting the system.
Appliance installations must be carried out by certified experts only.
Checks before assembly
Immediately check the delivered goods for completeness and potential transport
damages.
Prior to assembly of the appliances, check the functionality of all movable parts.
Potential defects must be reported prior to assembly and facing of the appliance.
Remove the enclosed operation set together with the operating instructions
and personally submit them to the owner.

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1. General requirements
1.1. Installation rooms
Open fireplaces must not be installed:
- in stair cases, with the exception of residential buildings with no more than
two flats
- in corridors accessible by the public
- in rooms, where highly inflammable or explosive substances or mixtures
are processed, stored or manufactured
- in rooms or flats which are ventilated through ventilation systems or hot-air
heating systems by means of fans, unless safe operation of the fireplace is
ensured.
1.2. Combustion air supply
Open fireplaces may only be installed in rooms, which at least have one door
leading to the outside or one window that can be opened, or which are direct-
ly or indirectly connected to other such rooms in a combustion air system; in
case of installation in flats or other such units the combustion air system may
only include rooms of the same flat or unit. Erection or installation of fireplac-
es in the above rooms is only allowed if a supply of at least 360 m³ combus-
tion air per hour and m³ furnace opening is ensured.
Not considered are fireplaces which:
- are separated from the ambient air
- do not require a flue gas system
- are located in rooms not presenting a risk to the safe operation of the fire-
places according to this standard. For dimensioning of the combustion air
volume flow refer to the building regulations.
The combustion air supply is ensured, if installation rooms of open fireplaces:
- have at least one door to the outside or one window that can be opened, or
- are connected to other such rooms in a combustion air system. Only rooms
of the same flat or unit are considered.
- have a combustion air duct corresponding to the relevant fire insert leading
to the outside. We urgently recommend that the combustion air is
passed directly to the connection piece provided in the base of the
appliance. This helps to avoid unwanted draughts.
- the combustion air duct must have an outside/fresh air shutter in the instal-
lation room. This is already integrated in the appliance (below the furnace
bottom).

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ECO-LINE Installation Guide
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According to the regional building regulations, combustion air ducts in build-
ings with more than two full storeys and combustion air ducts spanning fire
walls are to be implemented in a way that fire and smoke cannot be trans-
ferred to other storeys or fire sections.
1.3. Chimney
The fire inserts can also be equipped with a self-closing door and are tested
according to EN 13229 description «A1». Accordingly, these fire inserts can
be connected to a multiple-assigned chimney (if multiple assignment is pos-
sible).
The effective chimney height, departing from the flue gas inlet, should be at
least 4 m.
The chimney dimensions for fire inserts are covered by
EN 13384-1
1.4. Fire inserts with self-closing furnace door
According to EN 13229, fire inserts with additional description «A1» meet the
following requirements:
- self-closing furnace door
- efficiency at least 70 %
- nominal heat output not exceeding 11 kW
 The self-closing door allows multiple assignment of the chimney.
The chimney should be suitable for multiple assignment. The chimney calcu-
lation is made according to EN 13384-1. The calculations for A1 fire inserts
are based on the combustion air volume during closed operation. Open
operation is not admitted and subsequent conversion to open operation is
thus not admissible.
1.5. Delivery pressure
If the delivery pressure is too high, a delivery pressure limitation has to
be implemented.
This is the responsibility of the fireplace/tiled store constructor.

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2. Data for calculation of chimney dimensions
MERKUR K / HK
Open furnace
(EN 13229)
MERKUR K / HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Temperature at flue gas outlet
- Flue gas mass flow
- Flue gas outlet Ø
- Minimum delivery pressure
- EN 13229 test condition no. A/A1
- EN 13229 test condition no. A1 with NHF
- VKF registration number
182°C
18.1 g/sec
10 Pa
5.0 kW
288°C
4.8 g/sec
160 mm
14 Pa
RRF-29 00 48
tested
12814
MARS K / HK
Open furnace
(EN 13229)
MARS K / HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Temperature at flue gas outlet
- Flue gas mass flow
- Flue gas outlet Ø
- Flue gas outlet Mars HK 180°round Ø
- Minimum delivery pressure
- EN 13229 test condition no. A/A1
- EN 13229 test condition no. A1 with NHF
- VKF registration number
230°C
16.1 g/sec
10 Pa
7.0 kW
310°C
6.4 g/sec
180 mm
200 mm
14 Pa
RRF-29 00 105
RRF-29 00 107
12814
JUPITER K / HK
Open furnace
(EN 13229)
JUPITER K / HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Temperature at flue gas outlet
- Flue gas mass flow
- Flue gas outlet Ø
- Flue gas outlet Jupiter HK 180°round Ø
- Minimum delivery pressure
- EN 13229 test condition no. A/A1
- EN 13229 test condition no. A1 with NHF
- VKF registration number
250°C
20.3 g/sec
10 Pa
9.0 kW
320°C
8.5 g/sec
200 mm
250 mm
14 Pa
RRF-29 00 142
RRF-29 00 143
12814

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ECO-LINE Installation Guide
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JUPITER 510 HK
flach Tunnel
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Flue gas outlet Ø
- EN 13229 test condition no. A/A1
- VKF registration number
309°C
7,4 g/sec
12 Pa
9,0 kW
200 mm
RRF-29 12 3044
12814
URANUS K / HK
Open furnace
(EN 13229)
URANUS K / HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Temperature at flue gas outlet
- Flue gas mass flow
- Flue gas outlet Ø
- Flue gas outlet (tunnel) Ø
- Minimum delivery pressure
- EN 13229 test condition no. A/A1
- EN 13229 test condition no. with NHF
- EN 13229 test condition no. A/A1 (tunnel)
- EN 13229 test condition no. A1 with NHF (tunnel)
- VKF registration number
- VKF registration number
190°C
15.9 g/sec
10 Pa
9.0 kW
280°C
9.0 g/sec
200 mm
250 mm
14 Pa
RRF-29 02 389
RRF-29 02 392
RRF-29 07 1467
RRF-29 07 1513
12814
17131
NEPTUN HK
Open furnace
(EN 13229)
NEPTUN HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output (Neptun 450)
- Nominal heat output (Neptun 510)
- Temperature at flue gas outlet (Neptun 450)
- Temperature at flue gas outlet (Neptun 510)
- Flue gas mass flow (Neptun 450)
- Flue gas mass flow (Neptun 510)
- Flue gas outlet (tunnel) Ø
- Minimum delivery pressure (Neptun 450)
- Minimum delivery pressure (Neptun 510)
- EN 13229 test condition no. (Neptun 450)
- EN 13229 test condition no. A1 with NHF (Neptun 450)
- EN 13229 test condition no. (Neptun 510)
- VKF registration number
190°C
15.9 g/sec
10 Pa
9.0 kW
10.0 kW
280°C
340°C
9.0 g/sec
8.5 g/sec
250 mm
14 Pa
12 Pa
RRF-29 07 1468
RRF-29 07 1514
RRF-29 08 1755
17132

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ECO-LINE Installation Guide
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VENUS K / HK
Open furnace
(EN 13229)
VENUS K / HK
Closed furnace
(EN 13229)
- Temperature at flue gas outlet
- Flue gas mass flow
- Minimum delivery pressure
- Nominal heat output
- Temperature at flue gas outlet
- Flue gas mass flow
- Flue gas outlet Ø
- Flue gas outlet Venus HK right/left Ø
- Minimum delivery pressure
- EN 13229 test condition no. A/A1
- EN 13229 test condition no. A1 with NHF
- VKF registration number
185°C
28.0 g/sec
10 Pa
7.0 kW
295°C
8.2 g/sec
180 mm
200 mm
14 Pa
RRF-29 01 24
RRF-29 01 22
12814

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3. Minimum cross sections
Appliance Minimum chimney cross sec-
tions
Minimum
combustion air/
outside air cross sections
design A1
(closed operation)
Minimum
combustion air/
outside air cross sections
design A
(closed operation)
MERKUR K/HK Ø 160 mm
160/160 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
MARS K/HK Ø 180 mm
180/180 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
MARS HK
180°round Ø 200 mm 200/200 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
JUPITER K/HK
JUPITER tunnel Ø 200 mm 200/200 mm 120 cm
2
1 pipe Ø 125 mm 295cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
JUPITER HK
180°round Ø 250 mm 250/250 mm 120 cm
2
1 pipe Ø 125 mm 470 cm
2
1 pipe Ø 125 mm
+ 2 pipe Ø 150 mm for
open operation
URANUS K/HK Ø 200 mm
200/200 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
URANUS HK
tunnel Ø 250 mm 250/250 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
NEPTUN HK Ø 250 mm
250/250 mm 120 cm
2
1 pipe Ø 125 mm 470 cm
2
1 pipe Ø 125 mm
+ 2 pipe Ø 150 mm for
open operation
VENUS K/HK Ø 180 mm
180/180 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation
VENUS HK
right/left Ø 200 mm 200/200 mm 120 cm
2
1 pipe Ø 125 mm 295 cm
2
1 pipe Ø 125 mm
+ 1 pipe Ø 150 mm for
open operation

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ECO-LINE Installation Guide
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3.1.
Chimney
As manufacturer of fire inserts we allow/recommend the
following tolerances for new chimneys with triple isola-
tion:
- 180 mm, 200 mm chimney diameters may be reduced
by 20 mm from an effective chimney length of 8 m
- 250 mm chimney diameter may be reduced by 50 mm
from an effective chimney length of 8 m
- 160 mm, 180 mm chimney diameters for
«MERKUR» and «VENUS» must not be reduced
- 200 mm chimney diameter for “VENUS HK right/left”
must not be reduced
However, we recommend not to use chimney cross sec-
tions exceeding the specifications. Otherwise the follow-
ing faults may occur:
- excessive cooling down of flue gases resulting in
possible condensation in the chimney
- insufficient chimney draught
If smaller cross sections are determined according to
chimney calculation programmes, the installation is at
the own risk of the fireplace/tiled stove constructor.
3.2
Outside
/
fresh air
As manufacturer of fire inserts we request in general that
all systems must dispose of the outside/fresh air quanti-
ties specified. Otherwise trouble-free operation will not
be possible. If, according to the combustion air calcula-
tion, smaller cross sections are determined, their instal-
lation is at the own risk of the fireplace/tiled stove con-
structor.

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4. Thermal insulation materials
Fire inserts in a fireplace installation always require thermal insulation to the build-
ing walls/floors/ceilings.


If fireplace installations are fitted to building walls/floors/ceilings which are com-
bustible or require protection, the thermal insulation must meet increased require-
ments (see installation specifications).


The thermal insulation materials to be used must meet specific quality characteris-
tics. Only insulation materials complying with the requirements below may be
used. The use of substitute insulation materials is subject to approval by the appli-
cable authority (e.g. CH: VKF or DE: DIBT).


The long-term thermal stability of the thermal insulation materials used must be at
least 700°C.


Thermal insulation materials exposed to circulating hot air (all K types) must have
an additional abrasion-resistant coating (e.g. radiation plates). The coatings must
be resistant to long-term heat exposure.


When choosing thermal insulation materials low volatilisation of binding agents
under heat exposure should be ensured, otherwise strong release of odours can-
not be excluded. Details concerning the composition of the thermal insulation ma-
terials are available from the manufacturers.
Thermal insulation materials:
If using admitted substitute thermal insulation materials for insulation of the
wall/brick lining, see manufacturer details for reduction of insulation material thick-
nesses.
Thermal insulation
material Delivery form Application Thermal conduc-
tivity Maximum
application temperature Raw
density
W/(m K) °C kg/m3
Stone/slag fibre Plates Fire insert
insulation 0.035 700 - 900 100 - 180
Stone/slag fibre
one-sided with mesh-
enforced pure aluminium
coating
Mats Connecting pipe
insulation 0.035 750 80

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5. Installation specifications
Exemplary installation of fire insert in front of wall requiring protection (e.g. wood)
1 Fire insert
2 Connector 9 Concrete slab* 10 Floor to be protected 17 Ceiling to be protected 18 Thermal insulation layer
3 Mineral construction material
4 Convection area 11 Glass pane 12 Bench/facing 19 Roofing 20 Support frame
5 Thermal insulation layer 13 Decorative beam 21 Floor plate
6 Brick lining* 14 Circulating air/ambient air inlet 22 Outside/fresh air inlet
7 Wall to be protected 15 Supply air/hot air outlet with facade screen and
8 Thermal insulation layer 16 Fireplace cowl additional door
23 Flue gas/throttle valve
* only necessary for walls requiring protection.
7
3
2
23
1
4
5
6
22
8 9 10
17
18
19
15
16
13
20
11
12
14
21

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5.1.
Connector
(
exhaust
/
flue pipe
)
Material: Steel sheet with min. 2 mm thickness;
chrome steel sheet, material thickness ≥1mm (or ac-
cording to manufacturer’s specifications); fireclay fit-
ting for house chimneys.


If the connector [2] passes through components with
combustible construction materials, e.g. walls to be
protected [7], a mineral construction material [3]. e.g.
poroton components, is to be used within a radius of
minimum 20cm around the connector.


Only valid for Switzerland:
The connecting pipe must be completely insulated
3 cm thick with incombustible material.


Attachment of a flue gas/throttle valve [23] within the
connector is not required:
Exception: The chimney cross section exceeds the
manufacturer’s recommendations (see page 8) or the
chimney length exceeds 6 m. In this case a throttle
valve is mandatory.
5.2. Convection area


If no convection casing is used (optional accessory), a
convection area [4] of at least 6 cm in depth is to be
provided between fire insert [1] and insulation layer [5]
towards the rear and both sides.


The convection area [4] must be provided with a
thermal insulation to the outside.


The combustion chamber walls, floor and ceiling must
be clean and abrasion-resistant (see Guidelines for
Construction of Tiled Stoves/Fireplaces). Consequent-
ly, the insulation layer is to be protected by means of
an abrasion-resistant material (radiation
plate/combustion chamber plate or similar).
5.3.
Side an
d
rear thermal insulation layers


The brick lining [6] and/or building wall [7] behind and
next to the open fireplace must be protected by
means of an insulation layer [5] with a thickness of
8 cm.
8 cm

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

The appliance facing [12]/cowl [16] must also be pro-
tected by means of an insulation layer. Protection of
the facing is not required, if the open fireplace is de-
signed in a way that the free surfaces of the facing
and the surfaces of the recesses for storage of fuels
will not get hotter than 85°C . In case of surfaces
made of mineral construction materials, e.g. stove
tiles, except surfaces, on which objects can be placed,
the value of 85°C is replaced by a value of 120°C .
The increase of the maximum admissible temperature
of 85°C to 120°C only applies to more inclined or
vertical surfaces of the facing made of mineral con-
struction materials. This allows to design the facing as
heated tile wall or similar.
5.4.
Brick lining


A mineral brick lining [6] with a thickness of 10 cm,
e.g. bricks, must be provided between the thermal in-
sulation layer [5] and the building wall [7]. The brick
lining must project beyond the connector by at least
20 cm.


The brick lining [6] is not necessary, if the building wall
[7]:
- has a thickness of at least 10 cm, and
- consists of non-combustible components, and
- is not a load-bearing concrete or reinforced concrete
wall.


The brick lining is to be implemented without joints
and over the entire gap of the facing.


Note: porous concrete is not suitable as mineral brick
lining!
5.5.
Protection of
the
installation floor


Installation floors [10] with combustible construction
materials have to be protected as follows:
- by means of a concrete slab [9] with a thickness of
at least 10 cm, which has to be reinforced in case of
installation floors without sufficient lateral distribution
and a covering thermal insulation layer [8] as shown
in table.


Load-bearing concrete and reinforced concrete floors
have to be protected as follows:
- thermal insulation layer [8] as shown in table
NOTE:
For use of substitute insulation materials the manu-
facturer’s specifications apply!
8 cm
see table

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Inset Thickness of insulation on the floor
Jupiter 0 cm
Mars 0 cm
Merkur 0 cm
Neptun 4 cm
Uranus mit Sockel 0 cm
Uranus ohne Sockel 8 cm
Venus 0 cm
5.6. Expansion joints


No direct connection must exist between the fire insert
[1] and the facing [12]/cowl. Consequently, all contact
points between the appliance and the facing must be
isolated by means of a sealing strip (fibre glass tape).
The support frame [20] must also not rest on the ap-
pliance or be screwed or welded to this.
To avoid potential cracking noise during the heating
period, the fire insert must be provided with expansion
joints of adequate dimensions!
5.7.
Facing
/
fire place
cowl


The facing [12]/cowl [16] facing the room must consist
of non-combustible materials. This may be, for ex-
ample, clay bricks, blocks, ceramic stove tiles, metal,
plaster on plaster bases.


The facing [12]/cowl [16] must not have a direct con-
nection to the fire insert [1]. It must be constructed in a
self-supporting manner. For this purpose the manu-
facturer offers a number of support frames [20].
5.8.
Decorative beams


Decorative beams [13] in a distance of at least 1 cm
from the facing [12] and the cowl [16] of the open fire-
place are allowed, if:
- the decorative beam is not a component of the build-
ing
- the gaps to the facing are open in a way preventing
accumulation of heat
- the decorative beam is not located within the radia-
tion area of the open fire place.
[1] Fire insert [13] Decorative beam
Expansion joint [16] Fireplace cowl
[12] Facing [20] Support frame
13
12
1
16
20
Expansion joint

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5.9.
Convection air duct


The cross sections for the air inlet opening [14] and
the air outlet opening [15] should be 700 cm² each,
however, at least 350 cm².


At least 200 cm² of the air inlet and air outlet opening
must not be sealable.


No combustible construction materials, e.g. wood
ceiling, and no fitted furniture must be located within
an area of 30 cm next to and 50 cm above the air out-
let openings [15].
5.10.
Ceiling
above
fire insert


If the fire place cowl gap above the fire insert contin-
ues until the room ceiling [17] it has to be protected, if:
- it consists of combustible components
- it is a load-bearing element.
The protection consists of a thermal insulation layer
with a thickness of 12 cm [9] and a load-bearing, min-
eral roofing with a thickness of 2 cm [19]
5.11.
Floor in front of the fire insert


The floor in front of the fire insert must consist of non-
combustible material. Minimum dimensions of this
non-combustible surface:
to the front:
- at least 40 cm.
to both sides:
- at least 40 cm.
5.12.
Fire protection in the radiation area


Aminimum distance of 80 cm from the top and from
both sides must be provided between the furnace
opening and combustible components. In case of ar-
rangement of a radiation protection ventilated from
both sides a distance of 40 cm is sufficient.
12 cm

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6. Fire insert assembly
6.1.
Function check
/
preparation


The transport securing screw labelled in red (1)
must be removed from the pane flue devices.


Prior to assembly of the appliance, check the individ-
ual functional elements, such as:
- Pane flue
- Lateral movement of door
- Smooth operation of door lock
- Operation of combustion shutter


Remove the operating instructions from the furnace
and submit them to the operator together with the
necessary information.
6.2. Positioning of the appliance


Place the appliance on the prepared, load-bearing
support and adjust by means of the mounts.


For buildings with increased sound requirements, the
mounts included were fitted with special sound ab-
sorbers.
6.3. Thermal insulation


The outside surfaces of the appliance must be provid-
ed with a thermal insulation according to the above in-
stallation specifications.


The mandatory convection air gap must be provided
between the device and the thermal insulation.


The thermal insulation must be protected by means of
an abrasion-resistant material.

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6.4.
Combustion air connection


Sealed connection using flexible pipes Ø 125 mm to
the connection piece in the base structure of the ap-
pliance.


The pipe is routed to the outside or in the installation
room, if an adequate supply with outside/fresh air ac-
cording to the specifications is ensured.


If the combustion air is supplied by the installation
room, a pipe with a corresponding Ø must be routed
from the appliance connection piece to the inlet open-
ing in the facing of the installation.


If the combustion air pipe is led towards the outside,
the inlet opening in the facade must in no event be
higher than the upper edge of the furnace opening.


The combustion air pipe with Ø 125 mm should not
exceed a max. length of 4m, otherwise the cross sec-
tion must be increased to Ø 150 mm.


To avoid thermal bridges attachment of an additional
shutter near the facade can be useful. This shutter
should have a minimum free cross section of 10 cm2.
6.5. Outside/fresh air connection


A separate outside/fresh air supply in the convection
area is possible and supports the air exchange in the
installation room.


In case of open operation of the fire insert (design A),
an additional outside/fresh air connection is mandato-
ry: min. Ø 150 mm, for Jupiter HK 180°round and for
Neptun HK even 2 x Ø 150 mm.


The outside/fresh air must be supplied via the convec-
tion area.


The position of inlet opening in the facade must in no
event be higher than the upper edge of the furnace
opening.


A separate, sealing shutter must be provided for the
outside/fresh air connections (to avoid thermal bridges
and cold air entry in the living area). The shutter
should be implemented near the facade.
Combustion air connection
Outside air connection

SMART-LINE
ECO-LINE Installation Guide
20
6.6.
Circulation
/
ambient air connection


A free inlet flow cross section of at least
350 cm² is to be provided, with 200 cm² thereof not
being sealable.
6.7. Exhaust/flue gas connection


Alignment of flue gas outlet:
- By rotating the exhaust gas dome (1) by 360°it can
be locked in any position. Subsequently, snuggly
tighten the securing screws (2).
- By rotating the flue gas outlet it can be converted
from the vertical position to a 20°angle of inclination.
Subsequently, the securing screws (3) are to be tight-
ened snuggly.
- All required seals have already been inserted in the
castings.


These appliance types do not require a throttle valve.
Exception: The chimney cross section exceeds the
manufacturer’s recommendations (see page 9) or the
chimney has an effective height exceeding 4m.
Under these conditions implementation of a throttle
valve is mandatory:
Place the throttle valve tightly on the exhaust/flue gas
connector. Subsequently, connect the flexible valve
stem and actuator and secure by means of a splint.
The flexible stem must not contact the insert at any
point.
Note: Functional check of valve before applying fac-
ing and cowls.


Connect exhaust/flue gas pipes in a direct and flow-
enhancing manner. The connection of steel pipes with
a wall thickness of at least 2 mm must be fully sealed.
Thermal insulation according to installation specifica-
tions. Horizontal pipe routing exceeding 80 cm in
length is not admissible.