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9. UPS Installation for Parallel Rack System
The chapter introduces how to install and set up the single rack system to parallel rack system.
Warning:
The input
harmonic current distortion
will be higher than 3% and less than 4.5% in
parallel
rack
system.
You need to order the parallel cable for this kind of application
. The parallel is required for the
installation and operation.
The firmware
version of power module must be 10.58 or higher and firmware version of LCD
must be 11.50 or higher.
If you want to install the UPS to parallel rack system by yourself, installation must be under
the supervision of authorized engineers or service personnel.
The parallel rack feature only support eight power modules with 210K maximum power in one
rack. One of the eight power module is configured as redundancy power module. The parallel
rack system’s maximum power can be 210K + 210K.
9.1 Input and Output Wiring
1. When install the parallel rack system, the input wires (R, S, T, N) length of the Rack must be
equal to another Rack input wires. Likewise, the output wires (R, S, T, N) length of the Rack
must be equal to another Rack output wires. The same length of input and output wires of two
Racks are required, or it will cause the unbalance current of output load.
2. Refer to Chapter “3. Installation” about the input and output wiring and battery wiring methods
in User Manual.
Figure 9-1 Parallel System Wiring
Содержание F22 Online UPS
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