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Power supply unit UPS (77 3400 00)
7
Decommissioning
7.1
Temporarily switching off the power supply UPS
1.
Switch off the mains voltage.
2.
Revoke the UPS function enabling (remove the insertion bridge (3)); other-
wise, the load will continue to be supplied by the batteries until the total dis-
charge protection disconnection function is activated.
7.2
Decommissioning the power supply unit UPS for storage purposes
If the power supply unit UPS is not going to be used for some time, the power
supply unit batteries must be fully charged first to prevent self-discharge causing
damage to them.
Before decommissioning:
1.
To charge the batteries, connect the power supply unit UPS to the input volt-
age (115 – 230 V) at least 4 hours before decommissioning.
2.
Disconnect the power supply unit UPS from the mains.
3.
Revoke the UPS function enabling (remove the insertion bridge (3)); other-
wise, the load will continue tob e supplied by the batteries until the total dis-
charge protection disconnection function is activated.
If the batteries are being stored for an extended period, they must be recharged
every 6 months.
Power supply unit UPS (77 3400 00) – Instruction manual – 00 8802 41, 04/16 (Rev. 9.0)
Product leaflets 03/2018, page 97
Decommissioning
│15
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