6-10KVA Rack-mount UPS User Manual Installation
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power supply.
10) Suggest charging the batteries for 8 hours before use. After connection, turn the input
breaker in the “ON” position, the UPS will charge the batteries automatically. You can also use
the UPS immediately without charging the batteries first, but the backup time may be less than
the standard value.
11) If it is necessary to connect the inductive load such as a monitor or a laser printer to the
UPS, the start-up power should be used for calculating the capacity of the UPS, as its start-up
power consumption is too big when it is started.
5.3 Operating procedure for connecting the long backup time model UPS with
the external battery
Fig 10. Battery terminal connection
1. The nominal DC voltage of external battery pack is 192VDC. Each battery pack
consists of 16 pieces of 12V maintenance free batteries in series. To achieve longer
backup time, it is possible to connect multi-battery packs, but the principle of “same
voltage, same type should be strictly followed.
2. The procedure of installing battery bank should be complied with strictly. Otherwise
you may encounter the hazardous of electric shock.
1) A DC breaker must be connected between the battery pack and the UPS. The
capacity of breaker must be not less than the data specified in the general
specification.
2) Set the battery pack breaker in “OFF” position and connect the 16 pieces of
batteries in series.
3) You must connect the external battery cable to the battery first, if you connect
the cable to the UPS first, you may encounter the hazardous of electric shock.
The positive pole of the battery is connected to the UPS with red wire; the
