PowerWalker VFI 20000TP 3/3 BX, User Manual

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Chapter 6 Transportation, Maintenance
and Troubleshooting
Remove UPS
Make preparation for UPS relocation according to the following steps.
Remark: special equipment (forklift) is needed for loading and unloading due to the heavy
weight of UPS.
1. Switch off all equipments connected to UPS.
2. Turn off UPS AC switch and battery pack switch.
3. Disconnect all wires from UPS terminal bay.
4. Put UPS back into the original carton for relocation.
Maintenance
The Series UPS requires minimum maintenance.
1. If battery is switched off, loaded equipments will not be covered for power-off protec-
tion.
2. Under normal circumstance, batteries should be found in poor performance, replace-
ment should be done as soon as possible only by qualified personal with proper training.
Users are not allowed to replace without authorization.
Remark:
A. Prior to battery replacement, switch off UPS and remove it from AC.
B. Take off metallic articles such as rings and watches.
C. Use screw drivers equipped with insulated handles and do not place tools or other me-
tallic substances on the batteries.
D. Short circuit or reverse connection is forbidden for battery polarity connection.
3. It’s not recommended to replace batteries individually. Complete replacement should
follow instructions given by battery suppliers.
4. Make sure UPS
vent are properly ventilated and clean side frames and fan vents from
dusts every half a year (switch off AC and battery power prior to cleaning).