Vertiv Liebert APM 300, Руководство пользователя

Страница: 74 / 92

Chapter 8 Options 61
APM 300 Integrated UPS Single Module And Parallel System User Manual
Checking installation materials
Check that all installation materials are present and complete, including three bypass load sharing inductors
LA, LB and LC; cables W63, W64, W65, W66, W67 and W68; six M10
×
30 screws; six flat washers; six spring
washers; six M10 nuts; twelve M6
×
12 screws and a user manual.
Installation procedures
Warning
1. Only authorized personnel shall install and replace the inductors.
2. Connect the cables strictly following the instructions. Failure to observe this may cause damage to the UPS and the
inductors.
1. Disconnect the rectifier input, bypass input, battery input and output load of the UPS.
2. Wait five minutes for the internal DC bus capacitors of the UPS to fully discharge.
3. Open the back door and remove the right side panel of the UPS cabinet.
4. Remove the cables W60, W61 and W62 between the copper bars Q2-A, Q2-B, Q2-C and the copper bars ZA,
ZB, ZC. Retain the screws and nuts. The positions of the copper bars are shown in Figure 8-1.
Q2-A
Q2-B
Q2-C
ZA
ZB
ZC
Back view
Q2-A
Q2-B
Q2-C
ZA
ZB
ZC
Back view
Figure 8-1 Positions of copper bars
5. Place the three inductors LA, LB and LC in the installation positions shown in Figure 8-2, and fix them on the
base plate of the UPS cabinet with twelve M6
×
12 screws.
There are 12 installation holes on the base plate of the UPS cabinet for fixing the inductors, four installation
holes for each inductor.