Use Of Non-Return Valves; Regulations For Austria; Detergent Connections - Miele PW 6163 Operating And Installation Instructions

Use of non-return
valves
In Germany, the machine must be connected to the water supply us-
ing the non-return valve provided.
According to national regulations for drinking water quality, with ef-
fect from 21 March 2021, a non-return valve to prevent backsiphon-
ing must be installed between the stopcock and the water inlet hose
during commissioning on all machines in Germany. The non-return
valve prevents water from the water inlet hose from flowing back into
the on-site drinking water supply.
Screw the non-return valve onto the stopcock.
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Screw the water inlet hose onto the thread of the non-return valve.
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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
between the installation location interior and the machine is only per-
mitted if:
- in conjunction with connection fittings, it can withstand a minimum
permanent pressure of 1500 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.

Detergent connections

You can connect up to 12 detergents to the washing machine.
Installation
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