Drazice OKCE 125 NTR Operating And Installation Manual - Page 11

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Drazice OKCE 125 NTR Operating And Installation Manual
distribution is equipped with circulation circuit, it shall be connected to the outlet marked with
"CIRCULATION". For potential drain of storage tank, the HSW inlet has to be provided with a "T" fixture
with a drain valve. Each individually lockable storage tank must be at the cold water inlet provided with a
stop gate, test cock, safety valve with a reverse flap and a pressure gauge.
An example of a group storage tank connection for steady hot water consumption from all tanks using
Tichelmann´s method
HW – hot water
CW – cold water
C – Circulation
Figure 3
HSW – hot service water
1 – return valve
2 - pump
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