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).
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
One additional battery unit
Two additional battery units
7.2
Maintenance
The following maintenance work should be performed:
Task
Visual check
Battery/fan check
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.
CAUTION:
Follow safety and security regulations
unconditionally!
Interval
6 months
6 months
approx.
approx. 24 hours
approx. 40 hours
Described in
Chapter 7.2.1
Chapters 7.2.2 / 7.2.3
39
5 hours