Normal/Bypass Selector (Sw1); Lcd Control Panel - LEGRAND KEOR HP Série Manuel De L'utilisateur

External manual bypass
In the UPS systems of the KEOR HP 400-800kVA, the local emergency power off
button is not provided.
The UPS is also provided with two terminals (Eac1-Eac2) on which a remote emergency
power off contact may be connected.
The presence of voltage on the output terminals is restored as soon as the power off button,
or the remote contact, is brought back to the initial position.
Supply reset
Reset the output supply only when the causes which led to the emergency shutdown
have been eliminated and you are sure that there is no hazard to persons and things.

3.4.3 Normal/Bypass selector (SW1)

The Normal/Bypass selector is installed in the control panel and is only accessible by
opening the front door. It is generally used during the manual bypass procedure, when it is
necessary to isolate the UPS for maintenance or repair.
Follow the procedures contained in the manual
The Normal/Bypass selector shall only be operated in accordance with the
procedures specified in the installation and start-up section. The manufacturer cannot
accept responsibility for damages arising from incorrect operation.

3.4.4 LCD control panel

The control panel of the UPS is used in order to:
 Check the operating parameters of the device
 Check the alarms present
 Access the event log
 Display the information on the device
 Modify the operating parameters
The menu which allows to change the parameters is password-protected in order to prevent
access to unauthorized personnel.
16 OMD10074 REV. C
UPS user manual
Manuel de l'utilisateur de l'UPS
Utilizzo dell'UPS