Chapter 1 Important Safety Instructions
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The risk of electric shock and short-circuit current is possible when the batteries
and battery packs are connected to the UPS. Before maintenance, disconnect
all batteries and battery packs to cut off the battery power.
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For battery replacement, only use the same number and type of batteries.
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Observe the following before replacing the batteries:
1. Remove watches, rings, or other metal objects.
2. Use tools with insulated handles.
3. Wear rubber gloves and boots.
4. Do not lay tools or metal parts on the top of batteries.
5. Before battery removal, replacement or installation, disconnect any circuit
connected to the batteries.
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accidents might occur.
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A loss of battery charge capacity may occur during shipping and storage. Before
1
st
use of the UPS, please fully charge the batteries until the Battery Level Bar
Graph shown on the UPS’s LCD is fully on.
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If the UPS needs to be stored for an extended period of time, idle batteries
must be fully charged every three months. When every time you charge the idle
batteries, please charge them until the Battery Level Bar Graph
shown on the
UPS’s LCD is fully on.
WARNING :
1. The risk of electric shock and short-circuit current is possible when
the batteries are still connected to the UPS even though the UPS
is disconnected from the mains. Do not forget to cut off the battery
source before maintenance.
2. When connecting the external battery pack with the UPS, you must
install an appropriate non-fuse DC breaker or the fast-acting fuse that
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3. The breaker must be a 2-pole non-fuse DC breaker with characteristics
of 1-pole 250Vdc, 2-pole 500Vdc and 35kA (or above) DC breaking
capacity.
Summary of Contents for N-10K
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