Drazice OKC 400 NTR/1MPa Manual - Page 6

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OKC 300-1000 NTR

heated by a gas boiler with two pumps

Fig. 2

An example of a group heater connection for steady hot service water consumption from all tanks using

Tichelmann's method

Fig. 3

OV – Heating water

SV - Cold water

C - Circulation

OKC 300-1000 NTRR

heated by a gas boiler and solar collectors

controlled by a three-way valve

TUV - Hot service water

1 - Back-pressure valve

2 - Pump