Chapter 3 Electrical Installation 25
HIPULSE U UPS Single Module And “1+N” (Expandable) 160/200/300/400kVA User Manual
A amplified view
A
Side cabinet
Main cabinet
Nut M10
Spring w asher 10
Plain w asher 10
Plain w asher 10
Bolt M10 *35
W6( red)
W5( green)
W4( yellow)
Figure 3-10 Power cable connection between main cabinet and side cabinet of 400kVA UPS (6-pulse rectifier)
A
Main cabinet
A amplified view
Side cabinet
Nut M10
Spring w asher 10
Plain w asher 10
Bolt M10 *35
W6( red)
W5( green)
W4( yellow )
Figure 3-11 Power cable connection between main cabinet and side cabinet of 400kVA UPS (12-pulse rectifier)
3.4.2 Connecting Signal Cables
You need not connect signal cables between the main cabinet and side cabinet of the 300kVA UPS (12-pulse
rectifier).
When you connect signal cables between the main cabinet and side cabinet of the 400kVA UPS, you should connect
the signal cables from the main cabinet to the corresponding ports on the ULW366SA8 board of the side cabinet. The
connection relationship is shown in Table 3-9, you just need to connect the J2, J4, J6, J7 and J10 ports. The positions
of the ports on the ULW366SA8 board are shown in Figure 3-12.
Table 3-9 Signal cable connection between main cabinet and side cabinet of 400kVA UPS
Port (side cabinet) Cable No. (main cabinet) Meaning
J2 W98-12 Fan power
J4 W98-13 Fan power
J6 W45 Rectifier current detection
J7 W41-5 Fuse fault detection
J10 W58 Rectifier drive