Chapter 4 Operations
29
RT33020/25/30KE User Manual
Fig.4-8 Parallel connection
4.4.2 Parallel system setting
Parallel system connection
For field installation, please connect the cables according to Fig.4-6 and Fig.4-8.
In order to assure that all units are equally utilized and to comply with relevant wiring rules,
the following requirements apply:
1. All units shall be of the same rating and must be connected to the same bypass source.
2. The bypass and the main input sources must be referenced to the same neutral potential.
3. Any RCD (Residual Current detecting device), if installed, must be of an appropriate
setting and located upstream of the common neutral bonding point. Alternatively, the
device must monitor the protective earth currents of the system. Refer to the High
Leakage Current Warning in the first part of this manual.
4. The outputs of all UPS must be connected to a common output bus.
Parallel system software setting
To change the parallel system setting, please follow the steps below.
1.
With the monitoring software from manufacturer, select the page of “Service Setting” as
below.
Содержание RT33020KE
Страница 1: ...User s Manual RT33020 25 30KE Cyber Power Systems Inc www cyberpower com ...
Страница 2: ...Ver 1 0 0 ...