Miele DA 2390 Betriebs- und Installationsanleitung - Seite 8

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Warning and Safety instructions

In order to ensure safe operation and to prevent gases given off by

a heating appliance from being drawn back into the room, when

the rangehood and the heater are both operated simultaneously,

an underpressure in the room of 0.04 mbar (4 Pa) is the maximum

permissible.

Sufficient ventilation can be maintained by air inlets which cannot

be blocked, e.g. in windows, doors and outside wall vents. The

diameter of the inlet openings must enable sufficient ventilation. A

ventilation brick alone is not generally sufficient to ensure safe

ventilation.

The overall ventilation condition of the dwelling must be taken into

account. If in any doubt, the advice of a competent builder or, for

gas, a qualified gas fitter (registered with an official gas safety

body in accordance with national safety regulations) must be

sought.

If the rangehood is being operated in recirculation mode, whereby

the air is redirected into the room in which it is installed, the above

restrictions do not apply.