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Page 11
4. Operation and Device Construction
4.1 Mode of Action
The Imersion Heater Principle
One to three heater eleme nts (Pos. 8 in the explo ded view,
please see co ver foldout) a re pla ced in a close d cylin der and
connected to a lternating current. The cylin der is filled with t ap
water, fully demineralized water or partially softened water. Heat
generated by the heater element increases water temperature to
approx. 100°C.
When fully demineralized water is used, the feed water is practi-
cally free of minerals. This ensures long life for the cylinder and
heater elements since virtually no mineral deposits can settle or
build up. Fully demineralized water minimizes the number of ser-
vice / maintenance checks.
When tap water is used, some of the minerals dissolved in the
water will settle in the cylinder as solids of various compositions.
Most of these scale deposits are removed by periodic flushing or
use of a h eavy-duty blow-down pump. See section "Se rvicing
During Operation with Tap Water".
The gen erated steam has a temperatu re of abo ut 100°C and
minimal po sitive pressure ("pressure less” steam). It is virtually
demineralized and germ-free.
Содержание HeaterCompact
Страница 31: ...Page 31 Drill Pattern DN40 not to scale Note Due to variable print med ia the dimension s are not to scale ...
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