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10 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:
Before going through the next step disconnect
the PROTECT C. from the mains.
10.1 Charging the Battery
The battery is automatically charged when the mains is
present, irrespective of the operating mode. This is signalled
by the "charge" symbol lighting up (see also chapter 4.4.2,
page 25).
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. 7 hours
One additional battery unit approx. 11 hours
Two additional battery units approx. 16 hours
Three additional battery units approx. 24 hours
10.2 Maintenance
The following maintenance work should be performed:
Task Interval Described in
Visual check 6 months Chapter 10.2.1
Battery/fan check 6 months Chapters 10.2.2 / 10.2.3
10.2.1 Visual Check
When visually checking the unit, check whether: