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Provided air supply connections:
The following connections are provided at the bottom of the fireplace:
URBAN MF 800-40/75 1S 2S L/R 3S T : 1 connection Ø 150
URBAN MF 1050-40/75 1S 2S L/R 3S T: 2 connections Ø 150
URBAN MF 1300-40/75 1S 2S L/R 3S T: 2 connections Ø 150
URBAN MF 1500-40/75 1S 2S L/R 3S T: 2 connections Ø 150
URBAN MF 1900-40 1S 2S L/R 3S T: 2 connections Ø 150
URBAN MF 2400-40 1S 2S L/R 3S T: 2 connections Ø 150
Appropriate openings must be made in the outside wall or floor (basement) for the supply of fresh air. Make sure
that the fresh air supply cannot / as little as possible be affected by the wind blowing along the wall. This can be
done by a special screening so that the wind does not blow directly into the air supply ducts.
The fresh air supplied is preheated by the fireplace’s rear wall, and it can be lead to
the room through an optional
convection sheathing and convection kit or through convection grills at the top of the encasing.
Convection jacket:
In order to increase the appliance’s efficiency, a heat recovery system is used.
The supplied fresh outside air is partially directly used for the combustion. The remaining air is conducted
underneath the burner to the back wall of the fireplace. The flames heat the steel back wall of the fireplace so that
in turn the air is also heated.
The heated air collects above the smoke trap in the convection jacket of the appliance, and is then evacuated
through the aluminium flexible ducts and the outlet grills.
In this way, the heated fresh air is introduced in the room which ensures that the consumed ambient air in the
room is compensated.
Optionally, this convection jacket can be manufactured of galvanized steel plate or it can be realized when the
appliance is built in using ductboard insulation or superisol boards.
Fresh air supply
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