Vertiv LIEBERT ITA2 Quick Installation Manual

LIEBERT® ITA2™ MBC
Quick Installation Guide
IMPORTANT: Before installing,
connecting to supply, or operating
your Liebert ITA2 MBC, please
review the Safety and Regulatory
Statements sheet. For detailed
installation, operating, maintenance
and troubleshooting information
visit the ITA2 product page for the
ITA2 MBC Installer/User Guide
available at www. V ertivCo.com or
use the QR code below.
Table 1 Liebert ITA2 MBC currents and cables — User and UPS rectifier input
Maximum Input
Unit Rating
Current (A)
8 KVA
10 KVA
Table 2 Liebert ITA2 MBC currents and cables — User and UPS bypass input and output
Maximum Input
Unit Rating
Current (A)
8 KVA
10 KVA
Table 3 Recommended lug sizes
McMaster-Carr: 7113K462
Part Number Thomas & Betts: RC10-14
Tyco Electronics: 1577648-1

Unpacking and Inspection

Unpack and inspect the UPS and
its accessories. If damage is visible,
do not proceed. File a damage
claim with the carrier immediately
and send a copy to:
Vertiv Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, Ohio 43085 USA
Selecting Power Cables
NOTE: Before connecting the
cables between the MBC and UPS,
make sure that all the circuit
breakers on the MBC front panel
are open. Ensure that the feeder
breakers are open, locked, and
tagged to prevent inadvertent
operation by unauthorized
personnel.
When connecting wiring, follow the
local wiring regulations, and take
the environment situation into
account.
Recommended
OPD
24 30 A
37 50 A
Recommended
OPD
23 30 A
28 40 A
10 AWG (5.26 mm )
2
75°C THW
75°C THW
Copper Wire
Copper Wire
(phase)
(neutral)
*Number of Cable
* Number of Cable:1
per phase:1
8 AWG 8 AWG
6AWG 6 AWG
75°C THW 75°C THW
Copper Wire Copper Wire
(phase) (neutral)
10 AWG 10 AWG
8 AWG 8 AWG
8 AWG (8.36 mm )
2
McMaster-Carr: 7113K444
Thomas & Betts: RDV717
Tyco Electronics: 132331-1
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.
CONNECTING MBC
INPUT-POWER CABLES
Prepare for connection by
removing the conduit box from the
MBC, opening knockout holes, and
routing cables through the conduit.
Single-input Connection
to the MBC
NOTE: Copper shorting busbars
are factory-installed between rA
and bA; rB and bB; rC and bC;
and N
1. Leave the shorting busbars in
place on the MBC main-input
terminal block.
75°C THW
Copper Wire Recommended
(Ground)
* Number of Cable: 1
10 AWG
10 AWG
75°C THW
Recommended
Copper Wire
(Ground)
10 AWG
10 AWG
9 AWG (13.3 mm
McMaster-Carr: 7113K366
Thomas & Betts: RE6-14
—
590-2144-665A/SL-26256QS_REV2
Torque
30 lb-in
30 lb-in
Torque
30 lb-in
30 lb-in
)
2
1