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The machine should be connected to a
mains water supply in accordance with
standard regulations. In Germany the
washing machine is not required to
have a non-return valve as it has been
designed to comply with the relevant
German DIN standard.
The machine is designed to operate
with a minimum water pressure of 1 bar.
There is a minimum flow pressure of 1
bar if 5 litres of water flow into a suit-
able container in 15 seconds. The static
water pressure must not exceed 10 bar.
If it is higher than 10 bar it is essential
to fit a reducer valve.
The
nected between the stopcock and the
machine offers the safest protection
against water leaks.
For the Waterproof system to function
correctly, it may only be fitted in the po-
sitions shown (see illustrations).
Connection to the mains water supply
should incorporate a mains stopcock
3
with
/
'' thread. The stopcock should
4
be fitted by a qualified plumber.
con-
57
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