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3.5 Dispensing Detergent
The dispenser is mounted in the front wall of the wash tub.
The detergent dispenser consists of two detergent chambers, one for pre wash and the
other for the main wash.
The detergent dispenser door is opened manually for detergent loading and then
manually closed ready for the detergent to be transported to the wash tub by the inlet
water. To enable each detergent chamber to be dispensed separately, an inlet water
diverter valve controlled by the electronics is necessary.
Additionally a positive displacement pump unit and storage tank are incorporated
within the dispenser to supply rinse aid. The rinse aid dispensed volume is adjusted
utilising the dishwasher electronic controller. A glowing red light on the tank filler cap
indicates an empty rinse aid tank.
3.6 Lid Seal
3.6.1 When Activated
At the beginning of each wash cycle, the lid seal inflates while the pre wash drain cycle
removes any residue water from the tub. This runs for approximately 60 seconds, then
the tub fills.
3.6.2 What is the Lid Seal
The lid seal is a static plastic moulding retained in the lid which provides a dynamic
seal to the tub. The dynamic seal is created by a bellows section gasket bridging
between the top flange of the tub and the lid. The dynamic seal also locks the
tub/drawer during washing.
3.6.3 During Wash
The bellows section gasket is inflated by a solenoid activated diaphragm air pump.
This cycles during the complete cycle at timed intervals to maintain a 35kpa sealing
pressure.