OPTI-UPS DS3000I - Manual (Page 22)

Notes for battery disposal and replacement procedures
18 DS-I 1-3k UPS User Manual
9. Notes for battery disposal and replacement procedures
9.1 Battery Disposal
1) Before disposing of batteries, remove jewelry, watches and other metal objects.
2) Use rubber gloves and boots, use tools with insulated handles.
3) If it is necessary to replace any connection cables, please purchase the original
materials from the authorized distributors or service centers, so as to avoid overheat
or spark resulting in fire due to insufficient capacity.
4) Do not dispose of batteries or battery packs in a fire. The batteries may explode.
5) Do not open or mutilate batteries, released electrolyte is highly poisonous and
harmful to the skin and eyes.
6) Do not short the positive and negative of the battery electrode, otherwise, it may
result in electric shock or fire.
7) Make sure that there is no voltage before touching the batteries. The battery circuit is
not isolated from the input potential circuit. There may be hazardous voltage
between the battery terminals and the ground.
8) Even though the input breaker is disconnected, the components inside the UPS are
still connected with the batteries, and there are potential hazardous voltages.
Therefore, before any maintenance and repairs work is carried out, switch off the
breaker of the battery pack or disconnect the jumper wire of connecting between the
batteries.
9) Batteries contain hazardous voltage and current. Battery maintenance such as the
battery replacement must be carried out by qualified personnel who are
knowledgeable about batteries. No other persons should handle the batteries
9.2 Battery Replacement Procedures
1) Turn off UPS completely.
2) Remove covers from the UPS.
3) Disconnect the battery wires one by one.
4) Remove metal bars which are used to fasten batteries.
5) Replace batteries one by one.
6) Screw metal bars back to UPS.
7) Connect the battery wires one by one. Take care of electrical shock while
connecting the last wire.