Chapter 2 Single UPS Installation And Commissioning 13
Liebert
®
ITA 16kVA And 20kVA UPS User Manual
3. Place the UPS on the guide rails in the rack, and push it completely into the rack. Use four M6 × 16 screws to fix
the UPS in the rack through the brackets, as shown in Figure 2-11.
Rack
Guide rail
UPS
Bracket
Screw
(4 pcs)
Figure 2-11 Installing the UPS
Installation procedures for UPS with battery modules
The installation method of the battery module is the same as that of the UPS. Repeat the preceding procedures to
install and fix the four battery modules and a UPS in the rack one by one, as shown in Figure 2-12.
As the battery module is heavy, you should pay attention to the following items in installation:
Install the battery modules first, start the installation from the bottom, and then place the UPS onto the top, as
shown in Figure 2-12.
It is prohibited to move the UPS and battery modules through the brackets.
Two persons or more are required for the installation.
UPS
Battery module
(4 pcs)
Figure 2-12 Installation of UPS with battery modules
2.5 Connecting Power Cables
I/O cables and battery cables are required for connection. When connecting the cables, you should follow the local
wiring regulations, take the environment situation into account, and refer to Table 3B of IEC60950-1.
The max. current in different operating modes is listed in Table 2-2, the recommended min. cable CSA is listed in
Table 2-3. Select the appropriate cables according to Table 2-2 and Table 2-3.
Table 2-2 Max. steady state AC and DC current
Rated current (A)
Mains input current
1, 2
upon battery
charging with max. ability
Gross output current
2
at full load
UPS rated
power (kVA)
380V 400V 415V 380V 400V 415V
Battery discharging current upon
min. battery voltage
16 (3-in 3-out)
33
33
33
24
23
22
54
16 (3-in 1-out)
33
33
33
72
70
67
54
20 (3-in 3-out)
36
36
36
30
29
28
67
