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Installation
92
Note for Switzerland
A backflow preventer must be installed in accordance with
SIA 385.351 / EN 1717 and the recommendations of the SVGW. A
standard-compliant backflow preventer can be obtained from your
plumber.
Regulations for Austria
Only pipes which comply with § 12 Section 1 of the 1960 Regulation
on Execution of the Water Supply Act may be used to connect the
machine with the installation location interior.
The use of rubber or plastic tubing as pressure connection piping be-
tween the installation location interior and the machine is only permit-
ted if:
- in conjunction with connection fittings, it can withstand a minimum
permanent pressure of 1,500 kPa (15 bar),
- it is satisfactorily inspected during commissioning, and
- after each use of the machine the water supply is reliably cut off be-
fore the rubber and plastic piping and put out of service or cut off
from the location interior.
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