Technical information
6 720 643 409 (2010/03)
17
Fig. 14 Non-shunted and shunted heating circuit with buffer tank
An absolute prerequisite for the connection is that a
minimum flow of at least 70% of the nominal flow can be
maintained throughout the year.
* If a bypass is used and an external circulation pump is
fitted, the flow over the heating system can be reduced
by 40% of the nominal flow of the heat pump. Ensure
that the larger section of the thermostat valves is fully
open. Otherwise a an accumulator tank of at least 100
litres in capacity must be fitted. The bypass length must
be at least ten times that of the pipe’s inner dimension.
6 720 641 855-11 .1I
For explanations for the system solutions
(Æ 7.2.1).
For circuit E12 bypass solution and
accessory IVT mixing valve module 1000 is
required
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