Vertiv Liebert ITA2 Quick Installation Manual

Vertiv™ Liebert® ITA2 UPS
Quick Installation Guide
IMPORTANT: Before installing,
connecting to supply or operating
Vertiv™ Liebert® ITA2 UPS, refer the
Safety and Regulatory Statements
sheet. For detailed installation,
operation, maintenance, and
troubleshooting information visit the
ITA2 product page for the Vertiv™
Liebert® ITA2 UPS Installer/User Guide
available at www. V ertivCo.com or use
the QR code below.
Table 1 Liebert UPS Currents and Cables — User and UPS Rectifier Input
Maximum
Unit
Input Current
Rating
(A)
5 KVA 20
8 KVA 24
10 KVA 37
Table 2 Liebert UPS Currents and Cables — User and UPS Bypass Input and Output
Maximum
Unit
Input Current
Rating
(A)
5 KVA 14
8 KVA 23
10 KVA 28
Table 3 Ring Terminal Part Numbers
10 AWG (5.26 mm
McMaster-Carr: 7113K462
Part Number
Thomas and Betts: RC10-14
Tyco Electronics: 1577648-1
PROPRIETARY AND CONFIDENTIAL ©2023 VERTIV GROUP CORP.
Unpacking and Inspection
Unpack and inspect the UPS and its
accessories. Inspect the UPS for
damage. If you find any damage,
document and photograph the
damages and notify thelocal Vertiv
representative.
Selecting Power Cables
When connecting wiring, follow the local
wiring regulations and take the
environment situation into account.
NOTE: The conduit size and wiring
method must be in accordance with all
local, regional, and national codes and
regulations, including NEC ANSI/NFPA
70.
The maximum current for operating
modes, the recommended wire sizes,
and the recommended power cables
and plugs are listed in tables 1 to 3,
below.
75 °C THW
Copper Wire
Recommended
(Phase)
OPD
*Number of Cable
per phase:1
30 A 10 AWG
30 A 8 AWG
50 A 6 AWG
75 °C THW
Recommended
Copper Wire
OPD
(Phase)
20 A 10 AWG
30 A 10 AWG
50 A 8 AWG
)
2
McMaster-Carr: 7113K444
Thomas and Betts: RDV717
Tyco Electronics: 132331-1
75 °C THW
Copper Wire
(Neutral)
*Number of Cable:1
10 AWG
8 AWG
6 AWG
75 °C THW
Copper Wire
(Neutral)
10 AWG
10 AWG
8 AWG
8 AWG (8.36 mm )
2
Prepare for Connections
For all configurations besides 5 kVA:
• Remove the conduit box cover to
gain access to the input and output
terminal blocks.
• Remove the knockout plates and
attach the conduits to the rear of the
conduit box.
For 5 kVA:
• 5 kVA UPS is designed with pluggable
input and output interfaces. The
default connection is a single input
with L21-20P interface and the output
is L21-20R. External connections use
corresponding interfaces.
75 °C THW
Recommended
Copper Wire
(Ground)
Torque
*Number of Cable: 1
10 AWG 30 lb-in
10 AWG 30 lb-in
10 AWG 30 lb-in
75 °C THW
Recommended
Copper Wire
Torque
(Ground)
10 AWG 30 lb-in
10 AWG 30 lb-in
10 AWG 30 lb-in
9 AWG (13.3 mm
McMaster-Carr: 7113K366
Thomas and Betts: RE6-14
—
SL-26255QS_REV5_12-23 1
)
2