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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
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.
Gruppo solare IDro 6
Ext.
of
selected
characteristic
, 2
, 3
) within the
" mode and to
cod. 3541L121 - Rev. 02 - 09/2021
- 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 (
) to speed 3 (
).
EN
11
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