Page 22
OMNI by EconoHeat
Vitotronic
(continued)
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, Model KW2 combined
with one mixing valve actuator accessory kit
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
Domestic hot water storage tank (indirect-fired)
G
4-Way mixing valve
H
Low water cut-off (if required)
Figure 19 –
Installation
