Evolution Solar HFD
16
5.9
Adjusting the solar circuit flow
For the solar circuit to function correctly it is essential to regulate its flow. The
Evolution Solar HFD
boiler has a manual adjustment device with a window for viewing the flow, which is supplied totally
open at maximum flow and should be adjusted to 2 l/min. To do this, when the solar circuit has
been filled, carefully proceed as follows:
1 - Select the "
HN
" setting on the display using the
MODE touch button. When you have selected it,
access it using the On touch button.
2 - Select 2 on the touch button on the right of the
display
(29)
. The two pumps will start up.
3 - Let the pumps run for at least 15 minutes, to ensure
the flow has stabilised.
4 - Repeat step 1 to switch off the solar pump with a
timer, selecting the value 3 on the "
HN
" setting.
5 - Remove the red wheel from the interlock switch and
fit it to the end of the flow regulator indicator. Turn
the wheel to adjust the flow to 2 l/min, as shown on
the display. When you have adjusted the flow, turn
the red wheel back in its initial position again.
6 - Lastly, return to automatic solar pump functioning
mode, selecting the value 0 on the "
HN
" setting.
IMPORTANT:
The solar circuit flow must be adjusted to 2 l/min. For installations that do not
reach a flow of 2 l/min, it is recommended to leave the flow regulator totally open.
Red wheel
Flow regulator
Pump with timer
Botón táctil MODE
Selector táctil
Touch button
MODE touch button
