Requirements - Melitta cup-breakfast Mode D'emploi

5. Requirements

In order to ensure safe and trouble-free operation of
this machine, the following requirements must be
fulfilled:
a) Requirements for the water supply:
The water supply must be easy to turn off at any
➀
time during operation (stop valve).
The water pressure must be at least 2.0 bar (at
➁
3 liters/min. dyn.) and must not exceed 6 bar
(please consider any day/night pressure fluctua-
tions). Should the pressure exceed 6 bar, a
pressure reducing valve must be inserted
between the machine and the main stop valve.
GB
The carbonate hardness of the water must be
➂
between 1...5 dKH. In the case of hardness levels
...
– > 3° dKH, a stabilizer (Everpure water filter)
should be inserted before the machine.
– > 6° dKH, a decarburization unit (Brita water
filter) is absolutely necessary.
– < 1 dKH, the manufacturer must be contacted
(soft water).
Any water filters inserted before the machine
must be checked for effectiveness and replaced
every 12 months.
A fine strainer is always required.
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b) Requirements for the water outlet:
The machine must be connected to a fixed water
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outlet with stench trap.
The water outlet connection must be protected
➅
from backflow and flooding, in order to prevent
the machine from being soiled by returning waste
water.
c) Requirements for the electrical connection
– The distribution voltage must conform with the
data indicated on the type plate.
The mains lead must be fuse-protected
➆
separately by the client using a residual
current operated device (max. 30 mA).
The connection must be made by means of a
➇
plug socket not firmly installed to the mains. The
plug socket must be easily accessible during
operation so that the plug can be quickly
removed in the case of malfunctions.
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6
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