Miele 09 645 470 manual Drainage, Plumbing, Venting the drainage system

Plumbing

Drainage

–The appliance drainage system is fit‐ ted with a non-return valve, which prevents dirty water from flowing back into the dishwasher via the drain hose.

–The dishwasher is supplied with ap‐ prox. 1.5 m of flexible drain hose with an internal diameter of 22 mm.

–The drain hose can be extended us‐ ing a connection piece to attach a further length of hose. The drainage length must not be longer than 4 m, and the delivery head must not ex‐ ceed 1 m.

–If the hose is to be directly fitted to the drainage outlet on site, use the hose clip supplied (see installation plan).

–The hose can be directed to the left or the right of the appliance.

–The on-site connector for the drain hose can be adapted to different widths of hose. If the connector pro‐ trudes too far into the drain hose, it will need to be shortened. Otherwise the drain hose may become blocked.

–The drain hose must not be short‐ ened.

Make sure that there are no kinks in the hose, and that it is not squashed or stretched.

After connecting the dishwasher to the drainage system, check that all plumbing connections are watertight.

Venting the drainage system

If the on-site drain connection is situ‐ ated lower than the guide path for the bottom 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 up‐ wards to remove it.

Cut off the top of the vent valve in the wash cabinet.

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