LEGRAND KEOR HPE 200 kVA Manuel De Fonctionnement page 197

5.3.6 Modifying the operating mode – ECO MODE
The section ECO MODE allows the modification of the UPS operating mode, from the VFI –
Voltage Frequency Independent operation (on-line double conversion) to VFD – Voltage
Frequency Dependent. In such mode the load is directly supplied by the AC and the inverter is
turned on, ready to take over in case of anomalies of the mains. The transfer occurs in a
maximum time of 10 ms.
The stability of the AC mains is controlled bu a specific algorithm which provides to
automatically de-activate the ECO MODE mode in case the voltage or frequency are not
compliant with the programmed requirements.
Modifying the UPS operating mode – ECO MODE
The modification of the UPS operating mode is reserved to skilled personnel.
Before setting the system in ECO MODE verifiy that the load is suitable for operating
in such mode, and that it withstand voltage interruptions for a maximum duration of
10 ms.
It is recommended to operate under the supervision of manufacturer's personnel or
following its specific indications.
The manufacturer cannot be considered liable for any damages due to incompetence
or inexperience of the customer's authorized personnel.
36 OMP06263 REV. D
UPS user manual
Manuel de l'utilisateur de l'ASI
Utilizzo dell'UPS