PowerWalker VFI 3/3 Series Guía de usuario descargar pdf (Pagina 53)

8.2 Regular service/intervals

The UPS requires very little maintenance if installed in an appropriate environment. In order

to ensure maximum availability of the UPS, manufacturer recommends signing a proactive

service agreement with a local authorised service provider.

Batteries test 18 months

Maintenance Interval

Batteries change 3-5 years or according to battery suppliers recommendations

Cooling fan change 5 years

8.3 Cooling fan

The cooling fan lifespan of the UPS unit is about 60 000 operating hours. The actual lifespan

depends on the environment and ambient temperature.

Fan failure can be predicted by increasing noise from the fan bearings. The fan replacement

is recommended once this symptom starts appearing.

Do not use other than manufacturer’s specied spare parts.

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PowerWalker VFI 3/3 Series Guía de usuario Pagina 53