continuously supplied with reliable and “clean” voltage with no interruptions in this operating mode.
The bar graph LED (LED chain above the pictograph) indicates the current capacity utilisation of the UPS in this operating mode (see chapter 8, p. 45).
6.1.2Battery Operation / Autonomous Operation
| Manual bypass path |
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| Power circuit with |
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| faulty mains supply | |
| REC | SBS | INV |
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Mains |
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| Mains input |
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| miniature circuit |
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| breaker |
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| Load |
| Manual | Secured |
Schematic | REC |
| bypass | busbar |
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diagram | Battery |
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| Load |
The mains is not within the required tolerance range or has failed. In this case, power is supplied to the inverter from the charged battery without interruption. The power supply to the loads is therefore also ensured in the event of a mains failure. This drains the capacity of the battery and it is discharged. This status is signalled by the battery symbol lighting up (Battery LED), as well as an intermittent acoustic signal, at first every 4 seconds and then every second shortly before switching off. The initial alarm can be suppressed by pressing the “Alarm off” button. The alarm is automatically reactivated when the battery capacity decreases. Depending on the expansion level, age and condition of the battery and in particular on the load to be supplied, the standby time can vary from a few minutes to several hours.
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