User Manual 200 kVA-1200 kVA UPS
3 Installation
31
Fig. 3-17 Terminal location in the wiring cabinet for full equipped 400 kVA/500 kVA/600 kVA (front view) UPS
3. According to the position of the terminal, the top or bottom incoming mode can be used (depending on the
actual situation).
4. Connect the ground cable.
5. Connect the phae A, phae B, phae C and N line of mains input to the mains input terminal in the UPS cabinet.
6. Connect the phae A, phae B, phae C of the by-pass input and the N-line to the by-pass input terminal in the UPS
cabinet.
7. Connect the phae A, phae B, phae C of the load and the N-line to the output terminal in the UPS cabinet.
8. Connect the positive and negative pole of the battery pack to the positive and negative terminals of the battery
in the UPS cabinet.
Different power supply for main circuit and bypass
For the fully equipped mode, it should be noted that after removing the copper plate connecting with the
main circuit and the bypass before Steps 5 and 6.
For the standard mode, directly complete Steps 5 and 6.
Same power supply for main circuit and bypass
For the fully equipped mode, without need to remove copper plate connecting with the main circuit and the
bypass, connect the AC input cable directly to the mains input terminal.
For the standard mode, a short jumper is added for the mains input and the bypass input.
The voltage of the battery pack is lethal and must be equipped with the battery switch current limit protection.
Connect the cable according to the safety instruction.
During wiring, ensure the correct connection polarity of the cables from the battery terminal and the battery
CAUTION
Null line
Null line
Null line
Ground
B
Battery -
Mains input
Phase A, B, C
from left to right
Bypass input
Phase A, B, C
from left to right
Load output
Phase A, B, C
from left to righ
t
Summary of Contents for EA990 Super
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