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Assemble the controller c, insert the casing b and press-fit the controller
in its special place.
Position the casing a
C
B
InstallInG other branD controller
For the electrical connection, operation and diagnostics, refer to the
controller manual.
note: Make sure pump cable p1 is connected to a 230vac-50hz
permanent power supply.
hIGh effIcIency "solar" cIrculatInG puMp
control buttons and signaling leDs
In normal operation, the LED lights up green
LED on/flashing in case of a fault
Indication of selected adjustment mode
External adjustment
Constant head Δp-c
Fixed speed
Gruppo solare IDro 12/30
A
Ext.
cod. 3541L131 - Rev. 02 - 09/2021
Indication
curve (1
adjustment mode
Combined LED indications during circulating
pump venting function, manual restart and
button lock.
The various adjustment combinations can
be set by pressing the button.
-------------------------------------------------------
• Pressing for 3 seconds activates the
circulating pump venting function.
• Press for 5 seconds for manual restart.
• Pressing for 8 seconds locks/unlocks the
button.
For a correct result of the "Thermal quantity balance" calculation, the
circulating pump must be set to "constant speed
. To set this adjustment, press button "a" repeatedly until the leDs
indicated in the figure below light up.
A
However, a different operating strategy can be set, according to the
system characteristics.
- external adjustment
The circulating pump is managed by an external controller.
- Δp-c Constant Head setting.
The circulating pump head is constant as the flow rate required by the
system varies.
- fixed speed setting
The circulating pump does not modulate its power. The operating principle is that of
conventional 3-speed circulating pumps (with a reduction in power consumption
compared to them). The operating range is from speed 1 (
of
selected
characteristic
, 2
, 3
) within the
" mode and to
) to speed 3 (
).
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