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Installation and planning notes
PW 811 / PW 814 / PW 818 13
Drain valve
A motorized dump valve is used to drain the machine. A 2¾" angle
connector can be used for draining the machine directly into the
waste water system (without a siphon) or into an on-site gully (with
odor trap). The dump valve can also be operated manually to allow
the suds container to be emptied in the event of a power outage.
A vented drainage system is vital for unimpeded drainage.
If several machines are connected to a single drain pipe, it should
be large enough to allow all machines to drain simultaneously.
The appropriate Mieleinstallation set M.-No.:05238090 is avail-
able from Miele for venting a 2¾"(DN70) pipe.
If the slope for drainage is extremely steep, the piping must be
vented so prevent formation of a vacuum in the machine's drain
system.
Slow or obstructed drainage or a backup of water in the drum as a re-
sult of undersized pipework can result in faults occurring during pro-
grams, which will result in error messages appearing in the display.
Outflowing suds can be as hot as 203°F (95°C). Danger of injury
by burning!
Avoid direct contact.
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