Riello Solar R 11 Handbuch Seite 22

ADJUSTING THE FLOW
- Correct flow adjustment is essential to proper functio-
ning of the entire system.
- Set the flow regulator (V) fully open (see figure above).
- The pump is of the modulating type and is controlled by
the solar controller by means of a PWM signal
b
Refer to the manual supplied with the solar control-
ler to set the pump flow rate range.
b
Make sure that the pump's rated flow rate is suita-
ble for the number of solar collectors connected to
the solar storage cylinder.
Residual head with PUMP
800
700
600
500
400
300
200
100
0
0 1
PORTATA (m
FLOW RATE (m
NOTE: tests performed with water at 20°C.
2 3 4
/h)
3
3
/h)
Gruppo di
22
Return
ritorno
group
C
V
G
Scala graduata
Graduated scale
0,5-6,0 l/min.
0,5-6,0 l/min.