17
Fig.3-10 connections terminals for 30kVA
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.
Note: mA, mB, mC standard for Main input phase A,B and C; bA, bB, bC
standard for Bypass Input phase A,B and C.
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.
When the cable holes does not goes through by cables, it should be filled by the hole stopper
3.7 Control and Communication Cables
The rear panel of the UPS provides dry contact interface and communication interface
(RS232
,
RS485,SNMP ,Intelligent card interface and USB port)
,
as it is shown in
Fig.3-11.
Summary of Contents for EA990RT G5 10
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