Viessmann VITOROND 200 Technical Data Manual page 14

Installation Examples
With one low-temperature circuit with 4-way mixing valve, one high-temperature circuit,
and with domestic hot water production
e.g. with Vitotronic 200, KW2 combined with one Mixing Valve Actuator Accessory Kit
14
Heating circuit
Spring-loaded flow check valve
Circulation pump
Safety header
with automatic air vent,
pressure relief valve, and
pressure gage
Expansion tank
Domestic hot water storage tank
(indirect-fired)
4-Way mixing valve
Note:
Order the Divicon Adaptor to simplify the
installation of a Viessmann Safety Header and
multiple heating circuits (VR2-18 to VR2-33
only).
For VR2-40 to VR2-63, order a Piping-T
(includes reduction fitting) to simplify Safety
Header installation.