Rational SelfCookingCenter Original Installation Manual page 39

7 Water connection
UK only:
Water connection hoses complying with EN
61770 are available through Rational using part
number 2067.0709.
The materials used in this connection hose meet
KTW, DVGW W270, WRAS and FDA require-
ments.
Use only new hoses as water connections. Do
not re-use old hoses.
Non-functioning device!
Ensure that the minimum water conductivity
value of 50µS/cm (Micro Siemens) is main-
tained.
WRAS approval IRN R160
To be carried out by the installer:
An approved double check valve or some other
no less effective backflow prevention device shall
be fitted at the point of connection directly to
the water tap.
ATTENTION!
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