Installation
Liebert
®
GXT4
™
20
2.6.5 Distribution Box Electrical Connections
Electrical connections are made through a removable power distribution box that attaches to the rear
of the UPS.
• PD2-HDWR-MBS, PD2-001, PD2-002, PD2-003, PD2-004, PD2-005, PD2-006 and PD2-007
models fit the 5000 and 6000VA models of the Liebert GXT4
• PD2-L630 fits the GXT4-6000RTL630
• PD2-101, PD2-102, PD2-103, PD2-104, PD2-105, PD2-106, PD2-107, PD2-108, PD2-109,
PD2-200, PD2-201, PD2-202, PD2-204models fit the 8000 and 10,000VA models of the Liebert
GXT4
The installer must provide an upstream branch circuit breaker. The input circuit breaker on the
distribution box and the output circuit breaker on the rear of the power distribution box disconnect all
power between the main cabinet and the distribution box.
Models equipped with a manual bypass breaker pass bypass power directly to the bypass breaker
from the input terminal block. The input circuit breaker on the distribution box does not disconnect
power from the manual bypass breaker.
Figure 15 Distribution box electrical connections diagram
Terminal Block Connections
Conduit entry holes are provided on the rear and side of the box. Input and output wiring should not
share the same conduit. Emerson recommends using strain relief when installing the wire.
Table 2
Branch circuit breaker ratings
Unit Rating
Maximum Breaker Rating
5000VA
D Type 30A Long Delay
6000VA
8000VA
D Type 60A Long Delay
10,000VA
Table 3
Electrical specifications
UPS Model
Recommended
(Maximum) External
Overcurrent Protection
Recommended Wire
(Including ground wire)
(75°C copper wire)
Maximum Wire
Accepted by
Terminal Block
Terminal
Tightening
Torque
GXT4-5000RT208
GXT4-6000RT208
GXT4-6000RTL630
30A
10AWG (4mm
2
)
8AWG (6mm
2
)
20 in-lb
(2.26 Nm)
GXT4-8000RT208
GXT4-10000RT208
60A
6AWG (10mm
2
)
4AWG (16mm
2
)
Utility
Input
External
Branch CB
Output
Distribution
POD
Input
CB
Output
CB
Input
Indicator
Output
Indicator
Maintenance
Bypass Breaker
UPS
Utility
Input
External
Branch CB
Optional
Output
Distribution
Plate
Input
CB
Output
CB
Input
Indicator
Output
Indicator
Maintenance
Bypass Breaker
UPS
Output
Terminal
Block
Distribution Box Electrical Connections
for 5000 and 6000VA Models
Distribution Box Electrical Connections
for 8000 and 10,000VA Models
Содержание Liebert GXT4
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