Vertiv EXM 0080kTK16FN01000, User Manual

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134 Chapter 10 Service And Maintenance
Liebert EXM 80kVA ~ 200kVA UPS User Manual
Table 10-1 Setting method of DIP switch
DIP switch setting Module address
1
2
3
4
5
Note
Install the power modules from bottom to top to avoid cabinet toppling caused by the high center of gravity.
10.3 Key Components And Service Life Of UPS
When in use, some devices of UPS system will have shorter service life than UPS itself due to abrasion in
work. For the safety of UPS supply system, it is necessary to have regular inspection and replacement of
these devices. This section introduces the key components of UPS and the reference years of service life.
For systems under different conditions (environment, load rate, and etc.), assessment and advice by
professionals on whether to replace the device are required with reference to the information provided in
this section.
10.3.1 Life Parameters And The Proposed Replacement Time Of Key Components
Key components in Table 10-2 are used in the UPS system. To prevent system failures due to some of the
devices' failure by wear, it is proposed to carry out regular inspection and replacement during its
estimated life.
Table 10-2 Life parameters and the proposed replacement time of key components
Key components Estimated life
Proposed replacement
time
Proposed inspection
period
Fan Not less than 7 years Five years One year
Bus capacitor Not less than 7 years six years /
Air filter One year to three years One year to two years Two months
VRLA battery (5-year life) Five years Three year to four years Six months
VRLA battery (10-year
life)
10 years Six years to eight years Six months
10.3.2 Replacement Of Air Filter
The air filters need regular inspection and replacement. The inspection and replacement intervals are
related to the environmental conditions of the UPS. Under normal environmental conditions, the air filters
should be cleaned or replaced once every two months and need more frequent cleaning and replacement
in dusty or other harsh environments. Frequent inspection or replacement should also be made in new
buildings.