Ariston CLAS HE R 12 - Page 13

13
installation
Feed and vent pipework
The feed and vent pipework from the boiler to the F
& E (Feed & Expansion) tank should be congured as
shown in the g. below.
Heating Circuit
Boiler
15mm (Min.)
Automatic By-Pass
Pump
2M
Minimum
150mm
Max.
500mm Minimum
Height
22mm (Min.) Vent Pipe
15mm (Min.) Cold Feed
Cylinder
R
F
Return
Flow
Return
Flow