
S4KC SEriES USEr mAnUAL |
27
5.4.4 Install the Power Distribution Box on S4K6U10KC Models
1.
With the cover or distribution box removed, press the UPS and distribution box connectors together. Ensure that the
connectors are fully seated.
2.
Align the screw holes and press the power distribution box onto the UPS, making sure that the tabs at the bottom of
the box fit into the slots on the UPS.
3.
Attach the box to the UPS by installing screws into the two holes at the top of the box; tighten the screws.
4.
Turn the output and input breakers On.
5.
Start the UPS according to startup instructions.
6.
Verify that the UPS lamp is illuminated.
5.4.5 Distribution Box Electrical Connections
Electrical connections are made through a removable power distribution box that attaches to the rear of the UPS.
•
PAD2-HDWr, PAD2-HDWr-mBS, S4KPAD2-001C, S4KPAD2-002C, S4KPAD2-003C, S4KPAD2-004C, S4KPAD2-005C,
and S4KPAD2-006C fit S4K4U6000C.
•
S4KPAD2-101C, S4KPAD2-102C, S4KPAD2-103C, S4KPAD2-104C, S4KPAD2-105C, and S4KPAD2-106C fit S4K6U10KC.
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.
Table 1: Branch Circuit Breaker Ratings
Model
Maximum Breaker Rating
S4K4U6000C
D Type 30 A long delay
S4K6U10KC
D Type 60 A long delay
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.
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
S4K4U6000C
S4K6U10KC
Figure 21: Distribution box electrical connections