18_06_07_Battery Backup Distribution_10010371_ENG_V1.8 Seite -32- von -38-
15. Maintenance and cleaning (spare-fuse)
You should do a frequent short inspection of your Battery Backup Distribution for keeping a
long durability and avoiding an operational breakdown of the system. Please also consider
your national standards and provisions regarding the requirements of PV-power installations
and their equipment. Potentially, you have to do an electrical test procedure once a year, as
it is to adduce in Germany.
If you notice faulty fuses: There must be a reason for that – please check your electrical
installation and ensure the proper functionality of the affected electric circuit (“F1” and
“F5”: Ferrule Fuses!)
This fuse characteristic is mandatory regarding the ferrule-fuse “F1” + “F5”:
- nominal cold resistance: >= 0,2 Ω e.g. “Littelfuse
- max. melting integral: 1A
2
s KLKD 1A”
- enwitec part-number: 10010783
Visual inspection
Dependent on the installation side and the environmental conditions you have to expect
pollution on the devices surface. Clean carefully with the help of a moist cloth! During this
time do not open the case of the device under any circumstances (transparent cover has to
be closed)!
Concerns only 3-PH Battery Backup Distribution: You have to check the outlet-filters in
addition! Please have a look at the air-inlet; in case of a dirt buildup
you have to clean carefully with the help of a moist cloth!
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