User`s manual

D:\manual\UM_PCM-ULT\ML_Ult3k\661-UT3K-002-31.doc
KEVIN KU 第 21 頁 2003/3/4
7. B
ATTERY
R
EPLACEMENT AND
B
ATTERY
P
ACK
I
NSTALLATION
7.1 Battery’s life of UPS
The battery’s life of UPS is about 3-6 years under normal usage.
7.2 Battery Replacement
See figure. UPS and external battery pack.
Once the UPS’s battery is no longer useful and must be replaced. Please follow the
instructions for easy battery replacement.
7.2.1. Unplug unit from AC power source and disconnect all connected equipment.
7.2.2. Disconnect AC power cord from UPS.
7.2.3. Make serial connection of the battery packs. Make sure they are at proper voltage.
7.2.4. First, connect the electric wire with the ends of the battery packs.
Attention:
Do not connect it with the end of UPS, or it will cause an electrical shock. The
red wire with a tag should be connected with the positive end(+) of the battery packs;
connect the black wire with the negative end(-) of the battery packs.
7.2.5. Connect with the utility while the UPS is at its no-load position.
7.2.6. Connect the battery terminals on the rear panel connector of UPS with the electrical
wires of battery series. (See the following picture.)
Attention:
The positive/negative ends of the electric wire of batteries should be at the same
position as the positive/negative ends of the connector on UPS rear panel. That is,
the positive ends of the electrical wire of batteries should be connected with the
positive ends of the connector on UPS rear panel; the negative ones with the
negative ones of the connector. If not, there will be an explosion danger.
7.2.7. You can now easily remove the battery from the UPS
CAUTION
: Do not dispose of battery in fire.
CAUTION
: Do not attempt to open the battery.
CAUTION
: The following precautions should be taken when replacing the battery
a. Remove watches, rings, etc…
b. Use tools with insulated handles
7.2.8. Place your new battery in the same position/direction and reconnect the red wires to
positive (+) polarity and black wire to negative (-) polarity.
7.2.9. Please follow steps 5,4 and 3 (in that order) to reconnect the entire unit.
7.2.10. Please follow manual instructions to reconnect your equipment.
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