Riello NexPro 300 Plus Solar MR 11 Instruction Manual page 19

DESIGN
OUTLET RETURN
FROM TO
COLLECTOR COLLECTOR
Return temperature gauge
Outlet temperature gauge
Outlet valve M
Return valve R
Pressure gauge
Pump
Cock A
Solar regulator
(where relevant)
Flow regulator V
Flow meter G (l/min)*
Insulation
Cock B
Safety valve (6 bar)
SAFETY DRAIN
TO EXPANSION VESSEL
OUTLET TO RETURN FROM
STORAGE STORAGE
CYLINDER CYLINDER
* 0,5-6,0 l/min for models with 11 pump
1,0-15,0 l/min for models with 25 pump
19