10
CM
Edition 10-2008
RATIONAL SC Automatic
During the production of steam, the concentration of minerals inside the steam generator will increase
over time. These minerals settle on the heating elements and heat exchanger as well as the interior
steam generator walls.
In order to reduce this effect the steam generator will be pumped off and ushed regularly depending
on the duration of steam production. This process needs approximately 45 seconds.
After emptying the steam generator it will be lled automatically with fresh water.
There are 4 conditions to start this SC Automatic:
1. Heating time of the steam generator must exceed 60 min.* (SCC Care Control: 120min)
and
2. the temperature of the thermocouple inside steam generator (B5) must be below 65°C (149°F)
and
3. the temperature of the thermocouple inside interior cabinet (B1) must be below 70°C (158°F)
and
4. the unit is switched ON.
* - can be adjusted from 20-120min
In case the unit is used permanently the above mentioned temperature conditions
can not be met.
In this case the following 2 conditions apply:
1. The heating time of the steam generator reaches the twice the set duration*,
i.e. 120 min. and
2. the unit door is open for longer than 30 seconds
After completion of the SC-Automatic the accumulated steam heating time is re-set to zero.
SC-Automatic does not replace the need for descaling and/or installing water treatment lter
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