Viessmann VR1 22 - Installation Examples - Vitotronic

Vitorond 100, VR1 22 to 33, 91 to 140 Installation and Service
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Installation Examples - Vitotronic
Without mixing valve
e.g. with Vitotronic 100, Model KW10B
Legend
A Heating circuit
B Spring-loaded flow check valve
C Circulation pump
D Automatic air vent, (field supplied), pressure relief
valve, and temperature pressure gage
E Expansion tank
F Low water cut-off (if required)
Without mixing valve and with DHW
e.g. with Vitotronic 100, KW10B
Legend
A Heating circuit
B Spring-loaded flow check valve
C Circulation pump
D Automatic air vent, (field supplied),
pressure relief valve, and
temperature pressure gage
E Expansion tank
F Low water cut-off (if required
G Domestic hot water storage tank
(indirect-fired)
Connections