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We reserve the right to make changes without any prior notice.
Translation from original instructions
Do not set the water flow rate outside the operating limits allowed in the technical booklet.
6.2.4.1
Setting the values
To set the values:
1. press “Menu”, go to “Parameters” using the arrow buttons and confirm with “Select”;
2. in the “Parameters” menu, select “Complete List” using the arrow buttons and confirm with “Select”;
3. using the arrow buttons, select group “28” and confirm with “Select”;
4. using the arrow buttons, select parameter “28.26” and confirm with “Edit”;
5. using the arrow buttons, set the desired frequency value “1” and confirm with “Save”;
6. to exit the settings, press the “back” and “exit” button 3 times.
6.2.4.2
Setting the values for free cooling units
Carry out the following settings without the free cooling active:
7. press “Menu”, go to “Parameters” using the arrow buttons and confirm with “Select”;
8. in the “Parameters” menu, select “Complete List” using the arrow buttons and confirm with “Select”;
9. using the arrow buttons, select group “28” and confirm with “Select”;
10. using the arrow buttons, select parameter “28.26” and confirm with “Edit”;
11. using the arrow buttons, set the desired frequency value “1” and confirm with “Save”;
Now activate the free cooling by manually operating the 3-way valve and the free cooling relay present in
the electrical control panel.
Resume the setting with the free cooling active and:
12. using the arrow buttons, select parameter “28.27” and confirm with “Edit”;
13. using the arrow buttons, set the desired frequency value “2” and confirm with “Save”;
14. to exit the settings, press the “back” and “exit” button 3 times.
Once the settings are completed, the inverter will automatically adjust the flow rate to the set speeds with activation and
deactivation of free cooling operation.
