Maintenance Schedule; Overview - ABB HiPerGuard MV UPS User Manual

Medium voltage ups
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9.

Maintenance Schedule

9.1.

Overview

The recommended intervals for maintenance and component replacement are based on the normal
operating conditions of the HiPerGuard MV UPS. The HiPerGuard MV UPS should be checked at least
annually by qualified personnel whose recommendations should be followed. Depending on the actual
conditions of the MV UPS, maintenance work can be carried out before or after the recommended
interval.
Item
3kW auxiliary charger
Auxiliary charger fan
Enclosure door fan
Busbar contact grease
PEBB fan assembly
PEBB air filter
Enclosure air filters (door)
MVM enclosure fans
Insulation monitor relay
Power supply - I/O module
Network switch
Table 9.1: HiPerGuard MV UPS maintenance schedule
Key:
I = Inspection (visual inspection, corrective measures, repair and/or replacement of component if needed)
R: Replacement of component
− = no action
HI PE RG UA RD M V UP S U S E R M A N UA L
1
2
3
4
5
I
I
I
I
R
M AI N TE N A N C E S C H ED U LE
Years from start up
6
7
8
9
10
R
I
I
I
R
I
I
I
R
I
I
I
R
I
I
I
R
I
I
I
R
I
I
I
I
R
I
I
I
R
R
R
R
11
12
13
14
I
I
I
I
101/103

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