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HV844-N 12.01 R.B. 599 51 30 44 EN
3) ”ECO”-washing system
a) Advantages of the “ECO” function
Due to the „ECO“ washing systems, with the ECO-ball in the durit-hose, the user
achieves a high washing and rinsing result with a low consumption of detergent.
The detergent does not fall down as far as to the drain area during the filling cycle,
but remains on the ECO-ball usable for the washing cycle.
b) Principle
During the filling cycle, a part of the water is conducted through the hose (9) into the
fluff filter housing.
The water level in the fluff filter housing increases until the ECO-ball floats up in the
durit hose and locks the way to the tub (see figure).
ECO-ball
Durit hose
The further existing water pressure is passed on through the hose (12) into the tub.
When selecting the drain pump, the ECO-ball is drawn downwards because of the
underpressure, the water in the tub can be drained.
1 - cold water
2 - cold water
3 - cold water
4 - distributor
5 - product box
6 - compression chamber
7 - durit-hose with ECO-ball
8 - filter body
9 - hose for ECO-ball
10 - drain pump
11 - drain hose
12 - hose for water excess pressure
13 - inlet valve
14 - control opening of water excess
pressure
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