Preparing The Outside Air Connection - Dovre VISTA 700i Einbauanleitung Und Gebrauchsanweisung

materials that conduct heat.
Follow the instruction below when building the
hearth:
1. Lay the floor of the hearth.
Make sure the door of the appliance can swing
freely over the hearth floor.
2. Build the hearth up to the smoke dome.
Ensure that a clearance of 2 mm is maintained
between the appliance and the masonry to
accommodate the thermal expansion of the fire-
place.
3. The inside of the hearth may, if desired, be clad-
ded with reflective, insulating material.
Additional cladding of the built-in space pre-
vents unnecessary thermal radiation to outer
walls and/or adjacent rooms. It also prevents
damage to the hearth wall insulation.
4. Build the rest of the hearth up to the flue opening
hole in the ceiling.
The masonry should not rest on the fireplace.
Use a support such as a steel beam. Leave a
clearance of at least 3 mm between the sup-
port and the appliance.
5. Close the built-in space with the cover plate.
6. Put an air grate below the cover plate to allow for
the ventilation of the appliance.
7. Make an opening above the cover plate in order to
prevent any pressure build-up.
The figure below provides an example of the placing of
a fireplace insert in a hearth which is done using the
instructions given above.
Subject to change because of technical improvements
H
A
B
C
D
E
P
F
G
A Flue
B Fireproof material or connector
C Cover plate
D Insulation material (minimum 5 cm)
E Fireproof wall
F Combustible wall
G Ventilation space (minimum 15 mm)
H Fireproof ceiling
I Combustible ceiling
J Convection air opening
K Insulation (optional)
L Fireproof base
M Combustible base
N Opening to prevent pressure build-up
O Connection pipe
P Convection air to other space
Preparing the outside air
connection
If the appliance is placed in a space that is insuf-
ficiently ventilated, you can connect to the appliance
the connection set for the intake of outside air. The air
supply pipe has a diameter of 100 mm. If the tube is
smooth, it may be no longer than 12 metres. If
accessories such as bends are used, the maximum
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