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Chapter 9 Service & Maintenance 63
HIPULSE U UPS Single Module And “1+N” (Expandable) 160/200/300/400kVA User Manual
9.2.5 Lives And Recommended Replacement Time Of Key Components
The key components listed in Table 9-1 are used in the UPS. To prevent system malfunction caused by failure of key
components due to wear and tear during working, you are recommended to check them regularly, and replace them
within their life expectancy.
Table 9-1 Lifves and recommended replacement time of key components
Key components Life expectancy Recommended replacement time Recommended check period
AC capacitor ≥7 years (~62,000hr)
5~6 years
6 months
Electrolytic capacitor ≥7 years (~62,000hr) 5~6 years 1 year
Fan ≥7 years (~62,000hr) 5~6 years 1 year
Air filter 1~3 years 1~2 years 3 months
Valve-regulated lead-acid
battery ( 5 years of life)
5 years 3~4 years 6 months
Valve-regulated lead-acid
battery ( 10 years of life)
10 years 6~8 years 6 months
9.2.6 Replacing Fuses
When replacing the fuse on the high-voltage interface board or the fuse in the fuse box, use a fuse of the same model,
avoid being misled by the parameter screenprint on the fuse box.
380V systems can use both 380V/4A fuse and 500V/4A fuse, while 400V/415V systems can use 500V/4A fuse only.