Water Filter - Bosch TCA640 Series Repair Instruction

4.8

Water filter

The filter cartridge is screwed directly into the water tank. The filter
cartridges can be used for all appliances belonging to this series.
Carbon hardness, contents (e.g. chlorine) which impair taste and
odour, heavy metals and other substances are reduced to protect the
machine. Important minerals and fluoride are retained.
4.8.1 Filtration when drawing water
The water required for the preparation of coffee is filtered directly
before use. The water is drawn in by fins in the lower area of the filter
cartridge, filtered by the granulate and conveyed out through the
centre of the water tank valve. (= Up flow principle)
4.8.2 Filter specifications
The filter capacity at 27° dH is approx. 50 litres (400 brews) or
2 months.
The filter filling consists of approx. 100 ml ion exchange resin and
silvered activated carbon in the ratio 4:1.
Filter diameter: 27–42 mm
Filter length:
Filling volume: 95–100 ml
Filter effect: hardness
(Reduction if
following
substances
are in the
water) Aluminium
58300000120060_ARA_en_c.doc – 18.09.09
175 mm
Carbon
up to
up to
Chlorine
up to
Lead
up to
Copper
up to
Important!
►
Follow the information in the operating instructions
for inserting or replacing the water filter!
►
Do not insert filter if the descaling display lights up!
First descale the appliance!
►
If the appliance is always operated with the water
filter inserted, descale as a precaution once or twice
a year!
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