Start-Up Procedure; Normal Mode; Cold Start; Mute Button - LEGRAND KEOR SP Installation Manual

4.2

Start-up procedure

4.2.1 Normal mode

1. Ensure that the mains power supply to be used has a suitable voltage/frequency and an up-
stream protection rated at either 10A or 16 A (according to the UPS power).
2. Plug the UPS power cord into the mains power supply socket.
3. The UPS recharges the battery each time it is connected to a mains power supply (even if it is
powered down). In this stand-by condition, it is also possible to use the USB charger port. It is
recommended to charge the battery at least 4 hours before connecting the loads.
4. Connect the loads to the output sockets.
Ensure that the power of the loads can be managed by the UPS.
5. Press the ON/OFF button to start-up the UPS and power the loads. The led bar is lit in yellow for
3 seconds along with a 3 seconds long acoustic signal. After that, the led bar is lit in green.
INDICATION
The UPS has the autorestart function. In case the mains power fail and the UPS reaches the end of
the back-up time, the load is powered automatically when the mains power is back.

4.2.2 Cold start

1. Make sure the internal battery is fully charged.
2. Connect the loads in the sockets.
3. Press the ON/OFF button to start-up the UPS and power the loads. The led bar is lit in yellow for
3 seconds along with a 3 seconds long acoustic signal. After that, the led bar remains lit in yellow
and there are two beeps.
INDICATION
The output frequency is set to 50 Hz.
4.3

Mute button

It is possible to mute any alarm signal by pressing the mute button until the double confirmation
tone.
If the mute button is pressed again until the double confirmation tone, the alarm signals are re-
activated.
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4 Operation