UPS2000-G-(1 kVA-3 kVA)
User Manual
Copyright © Huawei Technologies Co., Ltd.
If the 1 kVA UPS with long backup time needs to connect to external battery strings, each battery
string must consist of three 12 V batteries connected in series. If the 2 kVA UPS with long backup
time needs to connect to external battery strings, each battery string must consist of six 12 V
batteries connected in series. If the 3 kVA UPS with long backup time needs to connect to external
battery strings, each battery string must consist of eight 12 V batteries connected in series.
The UPS with long backup time provides a charge current of 4 A and the current is not configurable.
If the UPS needs to connect to battery packs or battery strings, the total battery capacity must exceed
18 Ah. Otherwise, batteries may be damaged. If the capacity of external battery packs or battery
strings to be connected exceeds 40 Ah, it is recommended that an external charger be purchased to
increase the charge current. If an external charger is not purchased, the charge time will be long.
The battery pack (ESS-36V12-9*2AHBPVBB01) for 1 kVA UPS with long backup time contain two
group battery strings. The battery pack (ESS-72V12-9AHBPVBB01) for 2 kVA UPS with long
backup time only contain one group battery strings. The battery pack (ESS-96V12-9AHBPVBB02)
for 3 kVA UPS with long backup time only contain one group battery strings.
The 1 kVA UPS with long backup time is allowed a maximum of two battery packs
(ESS-36V12-9*2AHBPVBB01) in parallel. The 2 kVA UPS with long backup time is allowed a
maximum of four battery packs (ESS-72V12-9AHBPVBB01) in parallel. The 3 kVA UPS with long
backup time is allowed a maximum of four battery packs (ESS-96V12-9AHBPVBB02) in parallel.
3. Install the optional communication card to the UPS. The installation method for 1 kVA
UPS, 2 kVA UPS, and 3 kVA UPS are the same. The figures below based on the 3 kVA
UPS.
Figure 3-12 Installing an optional card on the 3KRTS UPS
Figure 3-13 Installing an optional card on the 3KRTL UPS
The UPS provides an optional smart slot to support the SNMP card, dry contact card, or Modbus card.
Any of the three types of cards offers advanced communication functions and various monitoring
options.
4. Connect the UPS to a PC.
Connect the UPS to the RS232 or USB port on a PC. Then you can monitor the UPS
status using the PC as long as you have installed the monitoring software. The
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