58 8-10 kVA, 50/60 Hz (1-phase input) &
8-15 kVA, 50/60 Hz (3-phase input)
P-164000341
User's Guide Revision 1
Maintenance Interval
Cooling fan change ~ 5 years / service
Table 9-2: Routine maintenance intervals recommended by the manufacturer
9.1.1 Batteries
The condition of the batteries is crucial for operation. The UPS will indicate by audible and visual
alarms if the capacity of the battery bank has decreased. The UPS units are provided with the
automatic battery test and ABM management function to continuously monitor the condition of the
battery bank.
Servicing of batteries should be performed or supervised by personnel knowledgeable about batteries
and required precautions. When replacing batteries, replace with the same type and number of
batteries.
NOTE
Do not dispose of batteries in a fire. The batteries may explode. Do not open or mutilate
batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECTED TYPE. DISPOSE OF
USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
9.1.2 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 specified spare parts.
9.2 LED indicators
The UPS unit has (4) LEDs to indicate the status.
Graphical sign LED Description Note
Green UPS status is OK. Blinking when a new notice
message is active.
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