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Connecting the drainage
system
- The machine drainage system is
fitted with a non-return valve, which
prevents dirty water from flowing
back into the dishwasher via the
drain hose.
- The dishwasher drain hose should be
connected to a separate on-site drain
for the dishwasher only. If no
separate drain is available, we
recommend connecting it to a dual-
chamber siphon.
- The dishwasher is supplied with
approx. 1.5 m of flexible drain hose
with an internal diameter of 22 mm.
Hose clips are supplied with the
dishwasher.
- The drain hose must not be
shortened! The hose can be
extended using a connection piece to
attach a further length of hose. The
drainage length must not be longer
than 4 m and the delivery head no
higher than 1 m.
- The drainage system must be able to
accommodate a minimum drainage
flow of 16 l/min.
Make sure that there are no kinks
in the hose, and that it is not
squashed or stretched.
Venting the drainage system
If the on-site drainage connection is
situated lower than the guide path for
the lower basket rollers in the open
door, the drainage system must be
vented. Otherwise, a siphoning effect
during a programme can cause the
appliance to empty itself of water.
To vent it:
Open the dishwasher door fully.
Pull the lower spray arm firmly
upwards to remove it.
Cut off the top of the vent valve in the
wash cabinet.
Installation
73
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