22
7 Water connection
Unit CMP XS
due to descaling of the steam generator:
> Drinking water protection for substance class
3 pursuant to EN 1717, such as a CA system
separator pursuant to EN 14367, must be
installed in the feed line on the tap at the drin-
king water network connection point.
> The CA system separator is supplied for NL
and CH, and are available through RATIONAL
using part number 50.01.820 for other Euro-
pean countries.
Unit SCC XS
meet the requirements for drinking water pro-
tection pursuant to EN1717 in as-delivered con-
dition.
UK only:
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.
7.2
Device water connection
1
Water connection legend
1 = 3/4” common water supply line.
(cold water up to 30°C [86°F])
Note:
The manufacturer recommends preventative
inspection be conducted around six months after
device commissioning to ascertain the degree of
limescale buildup in the steam generator, espe-
cially for CMP units.
This inspection should be performed by a trained
technician.
