64 1600XPi Series UPS Installation and Operation Manual – 60616-014
24.4 Part Replacement
The following list shows recommended intervals for periodic replacement of certain UPS parts:
1. Aluminum electrolytic capacitors: Replace once every 7 years.
2. Fuses: Replace once every 7 years.
3. Cooling fan: When operated in an ambient temperature of 86 °F (30 °C) to 104 °F (40° C), replace every 3.5 years.
When operated in an ambient temperature of less than 86 °F
(30 °C) , replace every 5 years.
NOTE: The cooling fans are not hot swappable. Remove all power from the UPS before replacing the cooling fans.
(Open the UPS main circuit breaker, disconnect external battery cabinets, and partially slide out the top battery trays
enough to open the internal DC power circuit.)`
4. Batteries: In order to maintain system reliability, the UPS batteries should be replaced on a regular schedule. To
ensure reliable operation, all of the batteries should be replaced at the same time. Use the following chart for replace-
ment:
UPS BATTERY REPLACEMENT
BATT AMB TEMP* AVERAGE LIFETIME
68 – 77 °F (20 – 25 °C) Approximately 5 yrs.
86 °F (30 °C) Approximately 3.5 yrs.
95 °F (35 °C) Approximately 2.5 yrs.
104 °F (40 °C) Approximately 1.8 yrs.
113 °F (45 °C) Approximately 1.25 yrs.
* Continual operation at ambient temperatures above 25 °C will degrade the battery life.