Functional Diagrams - Vaillant uniSTOR VIH GB SERIES Instructions For Installation And Use Manual

5 Installation

5.3 Functional diagrams

Fig. 5
1 Boiler
2 uniSTOR cylinder
3 2 port motorised valve (provided with the boiler)
4 Immersion heater
5 2 port motorised valve
A Boiler flow
B Boiler return
12
DHW
2
4
M
3
1
A B
5
M
uniSTOR GB