Viessmann Vitosol100 - Page 48

3.2Sizing pipe diameters and circulation pump
48
VITOSOL
For larger systems
A Flow
B Return
C Air vent valve
5822135 GB
Connection from the r.h. side Connection from the l.h. side (preferred version)
B
C
A
A
C
B
15x1
15x1
B
C
A
22x1
18x1