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POWERING TECHNOLOGY
Manual No. aspiro2u-3
aspiro2u_m23-man-rev3-0516.indd
4.13 Connection of External PDU to DC Parallel Kit (Option)
1. Turn OFF all the breakers and the AC input before installation.
2. Connect the vertical cable DC parallel cable lug to the positive and negative bus bar with
two M5 x 16mm screws.
3. Connect the external PDU load breaker alarm cable to pin1 of alarm terminal block.
FUSE/BREAKER
Load 0V
Load -48V
DC Parallel
Figure 4-15 External PDU Connection
-48VDC
F1
Fn
F2
External PDU
Fuse Alarm
Board
Load Breakers
0VDC
Fuse Alarm
Figure 4-16 DC Parallel Principle
4.14 Reinstalling Top Cover
When all connections are done reinstall the Top and Rear Cover Kits if ordered.
Place the top cover on top of the Distribution Unit. Make sure that the top cover and
Distribution Unit t tightly.
Install the front panel of the Distribution Unit to make the top cover xed and irremovable.
If the Extension Rear and Top Cover Kits are ordered, reinstall the AC input cover at the back
of the unit.
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