Viessmann RS-11, Технические данные инструкция

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Installation Examples
8
Without a mixing valve
,
and with domestic hot water production
with Vitotronic 100
Model KK10 or KW10 control
Heating circuit
Spring-loaded flow check valve
Circulation pump
Pressure relief valve
Precharged expansion tank
Domestic hot water storage tank
(indirect-fired)
DHW Pump Module
Gas connection
The installation of the check valve to restrict
gravity circulation in the heating supply pipe
prevents uncontrolled heat flow to the heating
system by gravity during priority switching of
domestic hot water heating or during summer
operation.
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