2. Installation
--8--
2.3 Operating procedure for connecting the long backup time model UPS with the
external battery
1. The nominal DC voltage of external battery pack is 240VDC. Each battery pack
consists of 20 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 connector of the external battery cable is used to plug into the external battery
socket of the UPS, the other end of the external battery cable is made of three open
wires with ring terminals to connect with the external battery pack(s). 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 20 pieces of batteries
in series.
3) You must connect the external battery cable to the battery first, if you not, you may
encounter an electric shock hazard. The positive pole of the battery is connected to
the 10000HXL31 in parallel with blue and brown wires; the negative pole of the
battery is connected to the 10000HXL31 in parallel with black and white wires; the
green and yellow ribbon wire is connected to the ground of the battery cabinet. For
15000HXL31/20000HXL31, the connection of battery wire is the same as that of
input and output wire, and a green or green and yellow ribbon wire UL1015 6AWG
(25mm
2
) must be connected between the input protective earth terminal and the
battery cabinet.
3. Plug the connector of the external battery cable into the external battery socket of
the UPS to complete the connection. Do not attempt to connect any loads to the UPS
now. You should connect the input power wire to the right position first. And then set
the breaker of the battery pack in the “ON” position. After that, set the bypass breaker
in the “ON” position. The UPS will begin to charge the battery packs.
The blue & brown wires for connection to the positive terminal of the battery pack
The black & white wires for
connection to the negative
terminal of the battery pack
The green and yellow ribbon wire for connection to
the ground of the battery cabinet
The receptacle for
connecting the UPS
The external battery cable diagram for10000HXL31
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