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7 Maintenance
The PROTECT C. consists of advanced and resistant
components. To guarantee a continuous and high availability
it is recommended to check the unit (especially the batteries
and the fans) in regular intervals (at least every 6 months).
CAUTION:
Follow safety and security regulations
unconditionally!
7.1 Charging the Battery
The battery is automatically charged when the mains is
present, irrespective of the operating mode. This is signalled
by the "Line" LED lighting up (see also chapter 6).
The complete charging time of the battery after a length
discharge period depends, above all, on the number of
additional external battery units.
Charging time up to 90% of rated capacity
Only with internal UPS battery approx. 5 hours
One additional battery unit approx. 24 hours
Two additional battery units approx. 40 hours
7.2 Maintenance
The following maintenance work should be performed:
Task Interval Described in
Visual check 6 months Chapter 7.2.1
Battery/fan check 6 months Chapters 7.2.2 / 7.2.3
7.2.1 Visual Check
When visually checking the unit, check whether:
♦ there is any mechanical damage or foreign bodies can be
found in the system,
♦ any conductive dirt or dust has accumulated in the unit,
♦ accumulation of dust affects heat supply and dissipation.