NS3000 UPS 60KVA~120KVA User Manual
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3.6.4 Connecting Power Cables
The steps of connecting power cables are as follows:
1. Verify that all the switches of the UPS are completely open and the UPS
internal maintenance bypass switch is opened. Attach necessary warning
signs to these switches to prevent unauthorized operation.
2. Open the back door of the cabinet, remove the plastic cover. The input and
output terminal, battery terminal and protective earth terminal are shown in
Fig.3-12.
Fig.3-12 connections terminals
3. Connect the protective earth wire to protective earth terminal (PE).
4. Connect the AC input supply cables to the Input terminal and AC output
supply cables to the Output terminal.
5. Connect the Battery cables to the Battery terminal.
6. Check to make sure there is no mistake and re-install all the protective
covers.
Attention
The operations described in this section must be performed by authorized electricians or
qualified technical personnel. If you have any difficulties, contact the manufacturer or
agency.
Warning
Tighten the connections terminals to enough torque moment, refer to Table 3.3, and
please ensure correct phase rotation.
The grounding cable and neutral cable must be connected in accordance with local and
national codes.
Summary of Contents for NS3000 Series
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