OFYS RT 1 - 3kVA - 551906A - SOCOMEC
22 EN
9. OPERATING PROCEDURES
9.1. Switching on (in Normal mode)
1. After power supply is connected correctly, the fan is running and the UPS enters to stand-by mode. The charger
will charge the batteries.
2. Press and hold the ON/Mute button for at least 2 seconds to turn on the UPS and the buzzer will beep once.
3. A battery test will carried out for 20 seconds.
4. Then the UPS will enter to Normal mode. If the mains power is abnormal, the UPS will operate in Battery mode
without interruption.
Note: The battery charges fully during the rst ve hours of normal operation. Do not expect full battery run capability
during this initial charge period.
Note: when the UPS is running out battery, it will shut down automatically at Battery mode. When the utility power is
restored, the UPS will auto restart in Normal mode.
9.2. Cold start (in battery mode)
1. Press and hold the ON/Mute button for at least 2 seconds to turn on the UPS and the buzzer will beep once.
2. A few seconds later, the UPS will be turned on and enter to Battery mode.
9.3. Connect device to UPS
After the UPS is turned on, you can connect devices to the UPS.
1. Turn on the UPS rst and then switch on the devices one by one, the control panel will display total load level.
2. If it is necessary to connect the inductive loads such as a printer, the in-rush current should be calculated carefully
to see if it meets the capacity of the UPS, because the power consumption of this kind of loads is quite big.
3. If the UPS is overload, the buzzer will beep twice every second.
4. When the UPS is overload, please remove some loads immediately. It is recommended to have the total loads
connected to the UPS less than 80% of its nominal power capacity to prevent overload for system safety.
5. If the overload time is longer than acceptable time listed in spec at Normal mode, the UPS will automatically trans-
fer to Bypass mode. After the overload is removed, it will return to Normal mode. If the overload time is longer than
acceptable time listed in spec at Battery mode, the UPS will become fault status. At this time, if bypass is enabled
and the voltage and frequency in the range of it is set value, the UPS will power to the load via bypass. If bypass
function is disabled or the input power is not within bypass acceptable range, it will cut off output directly.
9.4. Charge the batteries
1. After the UPS is connected to the utility power and working on the Normal mode, the charger will charge the batte-
ries automatically except in Battery mode or during battery self-test.
2. Suggest to charge batteries at least 10 hours before use. Otherwise, the backup time may be shorter than expec-
ted time.
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