UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
3 Installation
Issue 05 (2018-01-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
135
Step 4
Remove the copper bars between the mains and bypass input wiring terminals, as shown in
. (Perform this step only when the mains input and bypass input use different
power sources.)
Properly keep the removed copper bars and bolts.
(Optional) If copper bar protective covers are installed for the bypass cabinet, remove the protective
covers and then the connecting copper bars. The protective covers need to be reinstalled after the
connecting copper bars are removed.
shows how to remove the protective covers.
Step 5
Connect a ground cable to the UPS.
If you do not ground the UPS as required, electromagnetic interference, electric shocks, or fire
may occur.
Before connecting cables, ensure that all UPS input switches are turned off. Paste warning
labels to prevent others from operating the switches.
Connect the input power cables to the UPS before connecting power cables to customer
equipment.
Figure 3-88
Grounding
Step 6
Connect the bypass input power cables. (Perform this step only when the mains input and
bypass input use different power sources.)