76
OptiBean NG /OptiBean XL NG
2017/08 Rev. 2.0
4. Remove the back and connect the suction tube to
the tee of the flow meter (remove plug).
Descaling
Place suction tube
in descaler solution
Press enter (v)
5.
The first acid solution (approx. 1 litre) is pumped into the
boiler and heated. A soaking period of 300 sec. follows*.
Descaling
Descaling
Pumping solution
through system
Moment please
boiler temperature
is increased (...C)
Descaling
Moment please
Soaking: 300 sec.
6. Then for 12 seconds the second acid solution
(approx. 1 litre) is pumped through each of the
dispensing valves. The fresh acid solution is now
heated in the boiler again and a soaking period of
600 seconds follows*.
Descaling
Descaling
Pumping solution
through system
Moment please
boiler temperature
is increased (...C)
Descaling
Moment please
Soaking: 600 sec.
* soaking periods can be skipped by pressing the
x-button.
2 Ltr.
2 Ltr.
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